0614T - 1214T Air-source liquid chiller for outdoor ...€¦ · 0614T - 1214T Air-source liquid...

Unit with low environmental impact and

reduced refrigerant charge

Electronic expansion valve

(as standard on CA versions)

‘Class A’ efficiency

Contributes to achieving LEED points

Extensive range of operation

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NX_0614T_1214T_201107_EN

(The photo of the unit is purely indicative and may vary depending on the model)

Climaveneta Technical Bulletin

0614T - 1214T Air-source liquid chiller for outdoor installation, with shell and

tube heat exchanger165 ÷ 327 kW

NX

NX

SUMMARY

Waiver of liabilityThis publication represents a preliminary document, and is thesole property of Climaveneta. Any reproduction or disclosure ofsuch is strictly prohibited without the written authorisation of Cli-maveneta.This document has been prepared with maximum care andattention paid to the content shown. Nonetheless, Climavenetawaives all liability deriving from the use of such document.Read this document carefully.

All work must be performed, components selected and materi-als used professionally and in complete accordance with thelegislation in force in material in the country concerned, andconsidering the operating conditions and intended uses of thesystem, by qualified personnel.The data contained in this publication may be changed withoutprior notice.

HFC 410ANX_0614T_1214T_201107_EN2

1. CERTIFICATION LEED p. 3

2. DESCRIPTION OF THE UNIT 4

3. MODELS AND VERSIONS 43.1 Compact versions with standard efficiency 43.2 High efficiency versions 4

4. HOW TO SELECT THE NX 5

5. GENERAL CHARACTERISTICS 6

6. FUNCTIONS 6

7. VERSIONS 7

8. TECHNICAL SPECIFICATIONS 8

9. ACCESSORIES 10

10. TECHNICAL DATA10.1 NX /CA General technical data 1110.2 NX /K General technical data 1210.3 NX /LN-CA General technical data 1310.4 NX /LN-K General technical data 1410.5 NX /SL-CA General technical data 1510.6 NX /SL-K General technical data 16

11. OPERATING LIMITS 17

12. ETHYLENE GLYCOL MIXTURE 20

13. FOULING FACTORS 20

14. HYDRAULIC DATA 21

15. HYDRONIC GROUP (Optional) 23

16. ELECTRICAL DATA 34

17. FULL LOAD SOUND LEVEL 36

18. DIMENSIONAL DRAWINGS 42

This company participates in the Eurovent Certifi cation Programme.The products are listed in the Directory of certifi ed products.Eurovent certifi cation applied to units with cooling capacity up to 1500 kWfor air cooled water chillers and water cooled liquid chillers.

Company quality system certified to UNI EN ISO 9001

and environmental certification UNI EN ISO 14001

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1. CLIMAVENETA, THE MOST PROFITABLE WAY

TO IMPROVE THE LEED CERTIFICATION OF

YOUR BUILDING

Climaveneta is a Green Building Council Italy member andactively supports the diffusion of LEED practice all around theworld.Climaveneta High and Premium efficiency products and sys-tems are designed with special care to LEED protocol compli-ance and can help to achieve and improve the LEED certifica-tion of the building.In particular Climaveneta High and Premium efficiency productsand systems meet the LEED prerequisites for Energy & Atmos-phere (EA) and Indoor Environmental Quality (EQ) and canhelp to gather LEED points with regard to following areas:

ENERGY & ATMOSPHERE (EA)24 HVAC related LEED NC (New Construction and major Reno-vation Projects) points possible:• EA Prerequisite 2 – Minimum Energy Performance• EA Prerequisite 3 – Fundamental Refrigerant Management• EA Credit 1 – Optimize Energy Performance - 1 to 19 Points• EA Credit 4 - Enhanced Refrigerant Management - 1 to 2

Points• EA Credit 5 – Measurement & Verification – 1 to 3 Points

INDOOR ENVIRONMENTAL QUALITY (EQ) 6 HVAC related LEED points possible• EQ Prerequisite 1 – Minimum Indoor Air Quality Performance• EQ Credit 1 – Outdoor Air Delivery Monitoring – 1 Point• EQ Credit 2 – Increased Ventilation – 1 Point• EQ Credit 5 – Indoor Chemical & Pollutant Source Control – 1

Point• EQ Credit 6.2 – Controllability of Systems: Thermal Comfort –

1 Point• EQ Credit 7.1 – Thermal Comfort: Design – 1 Point• EQ Credit 7.1 – Thermal Comfort: Verification – 1 Point

There are already several buildings LEED certified also thanksto Climaveneta HVAC systems. For more information, browsethe project list at www.climaveneta.com.

4NX_0614T_1214T_201107_EN HFC 410A

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2. DESCRIPTION OF THE UNIT

NX/K: NEW COMPACT LIQUID CHILLERSNX is the new Climaveneta liquid chiller, available in the new Kversion, combining the two main features of this unit: efficiencyand compactness.NX in fact achieves excellent levels of energy efficiency while atthe same time occupying less area, making this unit the bestsolution in all installations where there is limited space avail-able. Along with its compact dimensions, NX also comes in three ver-sions with different sound emission ratings, so as to comply withthe strictest installation requirements.The LN and SL versions reduce noise levels by up to 10dB(A)compared to the most compact version, making the NX the ide-al solution for satisfying the most demanding installation needsnot only in terms of efficiency and compactness, but also lownoise.This ensures maximum installation flexibility, an essentialrequirement when operating in restricted spaces or whenreplacing or upgrading existing systems.

NX/CA: NEW HIGH EFFICIENCY LIQUID CHILLERS WITHENERGY CLASS AWhen energy efficiency is a fundamental prerequisite, the Cli-maveneta NX/CA represents the best solution, ensuring thehighest efficiency in its category, with Eurovent class A EER val-ues, calculated based on the restrictive European standardEN14511.NX/CA also features three different versions as regards soundemissions.In addition to the standard version, two further versions can beselected, LN-CA and SL-CA, which reduce noise by up to10dB(A) while maintaining the same energy efficiency class.Indeed the main new feature that distinguishes the ClimavenetaNX/CA units from other products available on the market is theavailability of a complete selection of versions with differentsound emissions however without affecting the energy efficien-cy class, rather maintaining exceptional efficiency, all ratedEurovent class A.

3. MODELS AND VERSIONS

3.1 Compact versions with standard efficiency

NX/K: liquid chiller with standard efficiency, compactversion

NX/LN-K: liquid chiller with standard efficiency, compactand low noise version

NX/SL-K: liquid chiller with standard efficiency, compactand Super low noise version

NX/D /K: liquid chiller with standard efficiency, compactversion, including desuperheater for partialrecovery of the heat of condensation

NX/D /LN-K: liquid chiller with standard efficiency, compactand low noise version, including desuper-heater for partial recovery of the heat of con-densation

NX/D /SL-K: liquid chiller with standard efficiency, compactand Super low noise version, including desu-perheater for partial recovery of the heat ofcondensation

3.2 High efficiency versions

NX/CA: high efficiency liquid chiller, compact versionNX/LN-CA: high efficiency liquid chiller, compact and low

noise versionNX/SL-CA: high efficiency liquid chiller, compact and

Super low noise versionNX/D /CA: high efficiency liquid chiller, compact version,

including desuperheater for partial recovery ofthe heat of condensation

NX/D /LN-CA: high efficiency liquid chiller, compact and lownoise version, including desuperheater forpartial recovery of the heat of condensation

NX/D /SL-CA: high efficiency liquid chiller, compact andSuper low noise version, including desuper-heater for partial recovery of the heat of con-densation

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4. HOW TO SELECT THE NX

NX /KCompact standard efficiency version

NX /CAClass A high efficiency version

Standard version NX /K NX /CA

Low noise version (LN)

NX /LN-KCompared to the standard version- retains the same dimensions- noise reduction of up to 6dB(A)

NX /LN-CACompared to the standard version-retains Class A energy efficiency- noise reduction of up to 6dB(A)

Super low noise version (SL)

NX /SL-KCompared to the low noise version (LN-K)- retains the same dimensions (where possible)- further noise reduction of 4 to 6dB(A)

compared to the low noise version (LN-K)

NX /SL-CACompared to the low-noise version (LN)- retains Class A energy efficiency- further noise reduction of 4 to 5dB(A)

compared to the low noise version (LN-CA)

NX /D /SL-CA 1204T

Version

Function

Name

Size

Heat exchangerT - Tube bundle

0614..1214 - based on the cooling capacity

empty - no function/D - with partial heat recovery

NX - liquid chiller

/K - compact standard efficiency/LN-K - compact std efficiency, low noise/SL-K - compact std efficiency, super low noise

/CA - Class A/LN-CA - Class A, low noise/SL-CA - Class A, super low noise

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5. GENERAL CHARACTERISTICS

Maximum CompactnessThis new range is available in the new K version, that integratesthe maximum compactness with a qualifying unit’s efficiency.This allow to achieve a very high flexibility in the design processas well as during the on-site installation operations, offering apremium solution in case of reduced clearances or when retro-fitting existing installations.

‘CLASS A’ efficiencyThe entire range is available in the NX-CA version, withEurovent class A energy rating.European standards are increasingly focused on protecting theenvironment and in concrete terms this means meeting increas-ingly demanding energy efficiency requirements. Using units such as the NX-CA, thanks to its energy efficiencyclass, reduces running costs, recognised as being an increas-ingly decisive factor not only regarding the value of propertiesbut also their saleability.

Compliance with the strictest European standardsThe main new feature that distinguishes the new NX unitsregards the calculation methods used to define the energy effi-ciency values.These values are in fact now calculated not only based on thecapacity delivered and power consumed by the unit, but alsotaking into account heat exchanger pressure drop, or the avail-able pressure head if the unit is installed with pumps, asrequired by European standard EN14511.In this way, energy efficiency is no longer an index for evaluat-ing the unit alone, but rather extends the assessment by con-sidering the unit within the system, consequently taking intoaccount the energy required to pump the refrigerant or heat car-rier fluid used in the system.

Three sound emission levelsIn this new product range, the energy efficiency class is not thesole parameter used to select the units. The new NX appliances in fact also have three different soundemission levels for each energy class. This means the best unit can be identified based on require-ments, according to the system where it will be installed and theapplication.With the new NX liquid chillers there are no more compromiseswhen choosing the features, high efficiency and low noise canexist side-by-side without having to relinquish one or the other.

Electronic expansion valve as standardAll models of the new NX/CA high efficiency version use elec-tronic valves as standard, for all sizes.The electronic expansion valve brings significant benefits, espe-cially with variable loads and different outside climate condi-tions.

Microchannel aluminium coilsThe new NX range uses microchannel aluminium condensercoils on all units. This means less refrigerant is needed compared to traditionalcopper coils, ensuring the lowest possible ratio between refrig-erant volume and cooling capacity delivered, making this prod-uct range unique in its reference market, at the same timeextending product life due to better resistance to corrosion byatmospheric agents.The reduction in weight achieved by using this technology alsomeans the units can be handled more easily and safely, thusovercoming specific construction restrictions or limits in thepositioning and installation of the unit.

Built-in hydronic unitThe built-in hydronic unit incorporates all the main water circuitcomponents. All sizes are in fact available in the configuration with one or twohigh pressure pumps (up to 200 kPa), as well as with storagetank. This solution means the units are ready for installation withouthaving to install any additional circuiting outside of the unit andwithout increasing the dimensions occupied, thus simplifyingboth the design and installation of the systems.

Extended operating limitsThe NX units can operate in the most extreme environmentalconditions. All sizes and versions can in fact work at full load with outsideair temperatures up to +46°C, always ensuring maximum ener-gy performance.

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6. FUNCTIONS

Basic model

(Unit without heat recovery)

Model with partial heat recovery (D)

Air-cooled unit, complete with partial heat recovery. In this configuration a refrigerant/water heat exchanger is addedto the gas discharge line on every refrigerant circuit, comparedto the basic configuration. The heat exchanger, installed in series before the traditionalcondenser in the refrigerant circuit, is suitably sized to ensureheat recovery for hot water production at medium-high tempera-tures, for domestic or other uses. The heating capacity available is approximately equal to com-pressor power consumption.

7. VERSIONS

K – Compact with standard efficiency

Key efficiency, compact version.

LN-K - Compact with standard efficiency, low noise

Key efficiency, compact and low-noise version. This configura-tion features special soundproofing for the compressor chamberand pumps (if present) and a reduced fan speed. Fan speed isautomatically increased, however, in the event of particularlytough environmental conditions.

SL-K - Compact with standard efficiency, super low noise

Key efficiency, compact and super low-noise version. This con-figuration features special soundproofing for the compressorchamber and pumps (if present), reduced fan speed and anoversized condensing section. Fan speed is automaticallyincreased, however, in the event of particularly tough environ-mental conditions.

CA - Class A

Class A high-efficiency version according to Eurovent criteria.This configuration features an oversized condensing section.

LN-CA - Low noise class A

Low-noise and class A high-efficiency version according toEurovent criteria. This configuration features special sound-proofing for the compressor chamber and pumps (if present)and a reduced fan speed. Fan speed is automaticallyincreased, however, in the event of particularly tough environ-mental conditions.

SL-CA - Super low noise class A

Super low-noise and class A high-efficiency version accordingto Eurovent criteria. This configuration features special sound-proofing for the compressor chamber and pumps (if present),reduced fan speed and an oversized condensing section. Fanspeed is automatically increased, however, in the event of par-ticularly tough environmental conditions.

8NX_0614T_1214T_201107_EN HFC 410A

NX8. SPECIFICATIONS

Chiller, air source for outdoor installation Outdoor unit for the production of chilled water with hermeticrotary Scroll compressors, ozone-friendly refrigerant R410A,axial-flow fans, shell and tubes heat exchanger, micro-channelfull-aluminum air coils and thermostatic or electronic expansionvalve, according to the model. The range is composed by unitsequipped with four compressors in tandem configuration on twoindependent refrigeration circuits.

Structure Structure specifically designed for outdoor installation. Base-ment and frame in hot-galvanised shaped sheet steel with asuitable thickness. All parts polyester-powder painted (RAL7035) to assure total weather resistance.

Refrigerant circuit Main components of the cooling circuit: - two circuits in tandem compressors for each circuit, - R410A refrigerant, - total ratio between refrigerant charge and cooling capacity*

lower than 0,145 g/W (versions K, LN-K, SL-K, CA, LN-CA) - total ratio between refrigerant charge and cooling capacity*

lower than a 0,170 g/W (versions SL-CA) - multi-circuit shell and tubes heat exchangers, - anti-freeze heaters on the heat-exchanger, - liquid line check valve, - dehydrator filter, - coolant line sight glass with humidity indicator, - mechanical thermostatic valves (K, LN-K and SL-K versions), - electronic thermostatic valves (CA, LN-CA and SL-CA ver-

sions), - high and low pressure transducers, - high and low pressure gauges, - high pressure safety valve, - low pressure safety valve, - high pressure safety switches, - crankcase heater on each compressor. * Cooling capacity according to Eurovent conditions: water(in/out) 12/7°C, outdoor temperature 7°C.

Compressor Hermetic scroll compressors in tandem layout completewith oil sump heater, electronic overheating protection with cen-tralised manual reset and a two-pole electric motor.

User (side) heat exchanger water Direct expansion multi-circuit shell and tube exchanger withasymmetric side coolant flows for maintaining the coolant at thecorrect speed inside the tubes when passing from the liquid tothe gas phase. Steel shell with foamed closed-cell elastomeranti-condensation lining. The shell & tube is manufactured usingcopper tubes with internal grooves for favouring heat exchangeand mechanically expanded onto the tube plates. An electricantifreeze heater prevents the ice from forming inside theexchanger when the unit is not working but connected to theelectrical supply. When the unit is working, it is protected by adifferential pressure switch mounted on the water side.

The hydronic group is composed by: - differential pressure switch - air-vent valve - discharge valve - hydraulic connection flush with unit’s enclosure.

Source (side) heat exchanger airFull-aluminum coil made by aluminum tubes and fins. The alu-minum fins are correctly spaced to guarantee optimum heatexchange efficiency. The differentiated circulation suitably dis-tributes the liquid in the coil during the expansion phase. Coilstructure made with an open-angle V-geometry layout

Fan section Ventilation system composed by 800mm axial electric fans, pro-tected to IP54, with external rotor and plastic-coated aluminumblades. Housed in aerodynamic hoods complete with safetygrille. 6 - pole electric motor with built-in overload protection.Continuous adjustment of fan rotation speed (excluded the K version).

Electrical panel Electric power and control panel, built to EN 60204-1/EC 204-1standards, complete with: - control circuit transformer, - general door lock isolator, - fuses and contactors for compressors and fans, - auxiliary 4..20mA analogue input - terminals for cumulative alarm block (BCA), - remote ON/OFF terminals, - relays for remote pump(s) activation for both circuits (only for

units without hydronic pumps), - spring-type control circuit terminal board, - electric panel with double door and seals for outdoor installa-

tion, - electrical board for outdoor installation, - electronic controller, - multi-language user keypad with LCD display, - IP43 protection, - Power input: 400V~ ±10% - 50Hz - PE .

Certification, reference standard The unit complies with the following directives and relativeamendments: - Machinery Directive: 2006/42/EC.- E.C.D. 89/336/EEC + 2004/108/EC. - Low Voltage Directive 2006/95/EC. - Pressure Equipment Directive 97/23/EC. Mod. A1. - TÜV-Italy

0948

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Tests

Tests performed throughout the production process, as indicat-ed in ISO9001. Performance or noise tests can be performed by highly qualifiedstaff in the presence of customers. Performance tests comprise the measurement of: - electrical data - water flow rates - working temperatures - power input - power output - pressure drops on the water-side exchanger both at full load

(at the conditions of selection and at the most critical condi-tions for the condenser) and at part load conditions.

During performance testing it is also possible to simulate themain alarm states. Noise tests are performed to check noiseemissions according to ISO3744.

W3000SE Compact

The W3000SE Compact controller offers advanced functionsand algorithms. The keypad features an easy-to-use interfaceand a complete LCD display, allowing to consult and interveneon the unit by means of a multi-level menu, with selectable lan-guage setting. The regulation is based on the exclusive Quick-Mind algorithm, including self-adaptive control logics, beneficialin low water content systems. As alternatives the proportional-or proportional-integral regulations are also available. The diag-nostics includes a complete alarm management, with the"black-box" and alarm logging functions for enhanced analysisof the unit operation. For multiple units’ systems, the regulationof the resources, via optional proprietary devices, can be imple-mented. Energy metering, for both consumption and capacity,can also be developed. Supervision can be easily developedvia proprietary devices or the integration in third party systemsby means of the most common protocols as ModBus, Bacnet,Bacnet-over-IP, Echelon LonWorks. Compatibility with theremote keyboard managing up to 10 units. Availability of aninternal real time clock for operation scheduling (4-day profileswith 10 hour belts). The defrost adopts a proprietary self-adap-tive logic, which features the monitoring of numerous opera-tional parameters. This allows to reduce the number and dura-tion of the defrost cycles, with a benefit for the overall energyefficiency.

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HFC 410A

9.0 Accessories

COD. ACCESSORIES DESCRIPTION BENEFIT876 E-COATING MICROCHANNEL COILS Air coil with aluminum tubes and fi ns with e-coating

protection. Recommended for medium level of pollution or soft marine atmospheres.

879 COPPER/ALUMINUM COILS Air coil with copper tubes and aluminum fi ns ---

881 Cu/Cu condensing coils Air-refrigerant heat exchanger with copper fi ns and tubes.

Recommended for applications in corrosive atmo-spheres

894 Condensing coils with epoxy-coated fi ns Painted air-refrigerant heat exchanger. Recommended for applications in medium level pollution atmospheres.

895 Condensing coils with Fin Guard Silver treat-ment

Air-refrigerant heat exchanger with epoxidic treat-ment on coils and fi ns.

Recommended for marine exposure conditions, with an high level of pollution or other aggressive atmospheres.

1511 Soft start Electronic device adopted to manage the inrush current.

Break down of the inrush current as soon as the electrical motor is switch on, lower motor's mechani-cal wear, favourable sizing for the electrical system.

2411 Remote phase-sequence control Relay for controlling the phase-sequence of mains. Protects loads against faults due to incorrect con-nection of the electric line.

3601 Compressors' on/off signal Auxiliary contacts providing a voltage-free signal Allows remote signalling of compressor's activation or remote control of any auxiliary loads.

4181 ModBUS connectivity Interface module for ModBUS protocols Allows integration with BMS operating with ModBUS protocol

4184 BACnet connectivity Interface module for BACnet protocols Allows integration with BMS operating with BACnet protocol

4182 Echelon connectivity Interface module for Echelon systems Allows integration with BMS operating with LonWor-ks procotls

1401 HP AND LP GAUGES High and low pressure gauges. Allows immediate reading of the pressure values on both low and high pressure circuits.

1911 COMPR. DISCHARGE LINE VALVE Shut-off solenoid valve on compressor discharge circuit

Simplifi es maintenance activities.

3412 Automatic circuit breakers Over-current switch on the major electrical loads. It protects compressors and/or fans from possible current peaks.

6171 INPUT REMOTE DEMAND LIMIT Digital input (voltage free) It permits to limit the unit's power absorption for safety reasons or in temporary situation.

601 Liquid line solenoid valve Solenoid valve on the refrigerant circuit inlet It avoids liquid to migrate toward the compressors when they are off

381 Numbered cables on electrical board

6162 REMOTE SIGNAL DOUBLE SP Allows to activate the Energy Saving set-point Enforce Energy Saving policy

2101 Rubber anti vibration device

2102 Spring anti vibration device

2421 TANK ANTIFREEZE HEATER Electrica anti-freeze heater installed into the buffer tank.

Prevents frost formation in the buffer tank

4185 BACnet OVER IP connectivity Interface module for BACnet OVER-IP protocols Allows to interconnect BACnet devices over Internet Protocol within wide-area networks

1981 SIDE PANELS ON THE COILS Metallic panels on the coils (piping side only) Improve protection and unit's aesthetics

6163 AUX 4-20mA REMOTE D L.C. 4..20mA analogue input, voltage-free digitale input. Allows to change the operating set-point according to value of current applied to 4..20mA input and to limit the unit's power (by activating the digital input).

Enforce Energy Saving policy, ensure safety operation.

2641 Extra inslutation for low temperature. Increased insulation in 20 mm thick closed-cell expanded polyurethane.

Prevents problems related to condensate. Recom-mended with leaving water temperature lower than -8°C

801 DP Pressostatic control to manage the fan's activation according to the condensing pressure detected on the refrigeration circuit; this device is recommended to enlarge the nominal unit's operating conditions

Increases the global effi ciency thanks to a more fl e-xible air fl ow management through the condensing coils. Improves the quietness in part load operating conditions. Extends the unit's operating range allowing it to work safetely down to +5°C outdoor air temperature and +5°C leaving water temperature

802 DVV Fan speed control according to the condensing pressure; the use of this device is mandatory in case the unit operates with low evaporator leaving water temperature setpoint further combined with a low outdoor temperature [See the section "Opera-ting limit" for more further information]

Increase of the unit global effi ciency thanks to a more accurate fans speed management. Impro-vement of the quietness in part load operating conditions. Extension of the unit operating range ensuring a safe operation down to -10°C outdoor air temperature.

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HFC 410A

COD. ACCESSORIES DESCRIPTION BENEFIT819 DVVF Fan speed control according to the condensing

pressure; the use of this device is mandatory in case the unit operates with low evaporator leaving water temperature setpoint further combined with a low outdoor temperature [See the section "Opera-ting limit" for more further information]

Increase of the unit global effi ciency thanks to a more accurate fans speed management. Impro-vement of the quietness in part load operating conditions. Extension of the unit operating range ensuring a safe operation down to -10°C outdoor air temperature. Allows the unit to operate at even most extreme conditions avoiding any risk of low pressure intervention.

821 DVV2F Fan speed control according to the condensing pressure; the use of this device is mandatory in case the unit operates with low evaporator leaving water temperature setpoint further combined with a low outdoor temperature [See the section "Opera-ting limit" for more further information]

Increase of the unit global effi ciency thanks to a more accurate fans speed management. Impro-vement of the quietness in part load operating conditions. Extension of the unit operating range ensuring a safe operation down to -10°C outdoor air temperature. Allows the unit to operate at even most extreme conditions avoiding any risk of low pressure intervention.

2024 External coils Anti-intrusions grills Avoid the intrusion of solid bodies into the unit's structure

1961 PRESSURE RELIEF VALVES Dual relief valve with switch Allows to unselect a relief valve in order to service the unit avoiding medium or long inoperative periods

6311 VISUAL DISPLAY PROTECTION Display protection panel Potect the display against weather and U.V. rays

1925 / 1923

EEV FOR UNITS WITHOUT DVV Electronic lamination device wtih step motor. It is designed for the continuous and precise control of refrigerant fl ow entering in the evaporator. For versions without continuous adjustment of the fan speed, this option comprise the DVV device.

This solution permits extremely short times for reaction to variation in load, optimising power consumption.

1926 / 1924

EEV FOR UNITS WITH DVV Electronic expansion valve This solution permits extremely short times for reaction to variation in load, optimising power consumption.

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10. TECHNICAL DATA

10.1 NX /CA General technical data

1 Plant (side) cooling exchanger water (in/out) 12/7 °CSource (side) heat exchanger air (in) 35 °C

2 Plant (side) cooling exchanger water (in/out) 12/7 °CSource (side) heat exchanger air (in) 35 °CPlant (side) heat exchanger recovery water (in/out) 40/45 °C

3 Sound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units;in compliance with ISO 3744 for non-certified unitsAverage sound pressure level, at 10 (m.) distance, unit in a free field on a reflective surface; non-binding value obtained from the sound power level

4 Standard configuration- Not available

SIZE 0614T 0714T 0814T 0914T 1014T 1114T 1214T

COOLING (1)

Cooling capacity kW 174 205 235 266 302 330 352

Total power input (unit) kW 54,4 65,0 72,9 84,1 95,8 103 111EER ESEER

3,204,31

3,164,26

3,234,45

3,17 4,49

3,15 4,43

3,214,35

3,174,37

Heat exchanger water flow m³/h 30,0 35,3 40,5 45,9 52,0 56,8 60,6Heat exchanger pressure drop kPa 26,1 36,2 59,5 52,4 36,5 43,6 49,6

NX /CA

NX /D /CA COOLING WITH PARTIAL RECOVERY (2)

Cooling capacity kW 181 213 244 276 313 342 365Total power input (unit) kW 52,8 63,1 70,7 81,6 92,8 99,8 108Heat exchanger water flow m³/h 30,0 35,3 40,5 45,9 52,0 56,8 60,6Heat exchanger pressure drop kPa 26,1 36,2 59,5 52,4 36,5 43,6 49,6Heat recovery thermal capacity kW 41,4 47,3 54,3 64,4 74,8 77,5 84,8

Heat exchanger recovery water flow m³/h 7,19 8,22 9,44 11,2 13,0 13,5 14,7Plant side heat exchanger recovery pressure drop kPa 16,3 21,3 28,1 31,3 42,2 36,3 43,5

COMPRESSORS Number Number of capacity Number of circuits N°.

N°.N°. 4 4 4 4 4 4 4

4 4 4 4 4 4 42 2 2 2 2 2 2

Type of regulation STEPS STEPS STEPS STEPS STEPSSTEPSSTEPS

28,827,826,8 26,8 26,826,814,4kg.Oil charge 414135,4 31,6 30,227,622kg.Refrigerant charge

R410AR410AR410A R410A R410AR410AR410AType of refrigerant % 25 25 25 25 25 25 25Minimum capacity steps

FANS Number Air flow

N°.m³/s

4 6 6 6 6 8 822,7 35,0 34,1 34,1 34,1 45,5 45,5

222 2 222kWSingle power input NOISE LEVELS (3)

Total sound power dB(A) 92 93 94 95 95 96 976563 626160dB(A)Total sound pressure 6463

DIMENSIONS AND WEIGHTS (4)

Length Width Height Weight

mm.mm.mm.kg.

3160225021701700

4335225021702150

4335225021702160

4335 2250 2170 2290

4335 2250 2170 2550

5510225021702930

5510225021702950

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10.2 NX /K General technical data

SIZE 0614T 0714T 0814T 0914T 1014T 1114T 1214T

COOLING (1)


Total power input (unit) kW 58,3 66,7 78,9 88,6 99,0 108 118EER ESEER

2,834,06

2,914,39

2,764,3

2,80 4,41

2,92 4,26

2,854,27

2,764,18


NX /K

NX /D /K COOLING WITH PARTIAL RECOVERY (2)

Cooling capacity kW 171 201 226 257 300 320 339Total power input (unit) kW 56,6 64,7 76,4 85,8 95,9 105 114Heat exchanger water flow m³/h 28,3 33,4 37,5 42,7 49,8 53,1 56,2Heat exchanger pressure drop kPa 23,3 32,4 50,9 45,5 61,7 38,0 42,7Heat recovery thermal capacity kW 44,9 52,4 63,3 72,0 77,6 86,1 94,8



N°.N°. 4 4 4 4 4 4 4

4 4 4 4 4 4 42 2 2 2 2 2 2


28,827,826,8 26,8 26,826,814,4kg.Oil charge 35,435,431,6 26 24,62222kg.Refrigerant charge



N°.m³/s

4 4 4 4 6 6 624,0 23,3 23,3 22,7 35,0 35,0 35,0

222 2 222kWSingle power input NOISE LEVELS (3)




mm.mm.mm.kg.

3160225021701650

3160225021701810

3160225021701820

3160 2250 2170 1950

4335 2250 2170 2340

4335225021702530

4335225021702550

NX_0614T_1214T_201107_EN HFC 410A13

NX

10.3 NX /LN-CA General technical data

SIZE 0614T 0714T 0814T 0914T 1014T 1114T 1214T

COOLING (1)


Total power input (unit) kW 52,8 61,6 70,5 82,8 93,2 99,6 109EER ESEER

3,174,56

3,224,61

3,234,7

3,17 4,71

3,16 4,55

3,194,63

3,174,7


NX /LN-CA

NX /D /LN-CA COOLING WITH PARTIAL RECOVERY (2)




N°.N°. 4 4 4 4 4 4 4

4 4 4 4 4 4 42 2 2 2 2 2 2


28,827,826,8 26,8 26,826,814,4kg.Oil charge 414141 31,6 30,227,622kg.Refrigerant charge



N°.m³/s

4 6 6 6 8 8 816,9 26,1 25,4 25,4 34,7 33,9 33,9

0,930,930,93 0,93 0,930,930,93kWSingle power input NOISE LEVELS (3)




mm.mm.mm.kg.

3160225021701700

4335225021702150

4335225021702160

4335 2250 2170 2290

5510 2250 2170 2880

5510225021702900

5510225021702930





14NX_0614T_1214T_201107_EN HFC 410A

NX

10.4 NX /LN-K General technical data

SIZE 0614T 0714T 0814T 0914T 1014T 1114T 1214T

COOLING (1)


Total power input (unit) kW 58,1 68,6 79,6 92,2 101 112 118EER ESEER

2,754,13

2,704,42

2,624,37

2,55 4,41

2,71 4,25

2,604,25

2,704,37


NX /LN-K

NX /D /LN-K COOLING WITH PARTIAL RECOVERY (2)

Cooling capacity kW 166 192 216 244 284 301 332Total power input (unit) kW 56,3 66,3 77,0 89,2 97,7 108 115Heat exchanger water flow m³/h 27,5 31,9 35,9 40,4 47,2 50,0 55,1Heat exchanger pressure drop kPa 21,9 29,6 46,5 40,7 55,4 33,7 41,0Heat recovery thermal capacity kW 47,6 56,9 66,8 77,7 83,7 93,2 99,3



N°.N°. 4 4 4 4 4 4 4

4 4 4 4 4 4 42 2 2 2 2 2 2


28,827,826,8 26,8 26,826,814,4kg.Oil charge 35,435,431,6 26 24,62222kg.Refrigerant charge



N°.m³/s

4 4 4 4 6 6 617,9 17,2 16,5 17,8 25,8 25,8 24,7





mm.mm.mm.kg.

3160225021701700

3160225021701860

3160225021701870

3160 2250 2170 1990

4335 2250 2170 2380

4335225021702580

4335225021702600





NX_0614T_1214T_201107_EN HFC 410A15

NX

10.5 NX /SL-CA General technical data

SIZE 0614T 0714T 0814T 0914T 1014T 1114T 1214T

COOLING (1)


Total power input (unit) kW 52,3 61,0 69,9 82,0 92,6 99,6 109EER ESEER

3,204,69

3,204,7

3,214,68

3,16 4,72

3,15 4,72

3,184,68

3,164,7


NX /SL-CA

NX /D /SL-CA COOLING WITH PARTIAL RECOVERY (2)




N°.N°. 4 4 4 4 4 4 4

4 4 4 4 4 4 42 2 2 2 2 2 2


28,827,826,8 26,8 26,826,814,4kg.Oil charge 414141 37,2 35,827,627,6kg.Refrigerant charge



N°.m³/s

6 6 8 8 8 8 818,9 21,5 29,9 29,9 28,6 32,9 32,9





mm.mm.mm.kg.

4335225021701980

4335225021702150

5510225021702490

5510 2250 2170 2610

5510 2250 2170 2880

5510225021702900

5510225021702930





16NX_0614T_1214T_201107_EN HFC 410A

NX

10.6 NX /SL-K General technical data

SIZE 0614T 0714T 0814T 0914T 1014T 1114T 1214T

COOLING (1)


Total power input (unit) kW 56,3 70,7 77,8 89,3 104 109 120EER ESEER

2,824,34

2,544,41

2,754,4

2,70 4,41

2,55 4,28

2,714,34

2,614,26


NX /SL-K

NX /D /SL-K COOLING WITH PARTIAL RECOVERY (2)

Cooling capacity kW 165 187 222 250 274 307 324Total power input (unit) kW 54,4 68,4 75,3 86,4 100 106 116Heat exchanger water flow m³/h 27,4 31,0 36,9 41,5 45,5 51,0 53,8Heat exchanger pressure drop kPa 21,7 27,8 49,3 43,0 51,4 35,1 39,0Heat recovery thermal capacity kW 47,0 59,9 64,6 74,9 87,7 90,9 100



N°.N°. 4 4 4 4 4 4 4

4 4 4 4 4 4 42 2 2 2 2 2 2


28,827,826,8 26,8 26,826,814,4kg.Oil charge 414131,6 31,6 30,22222kg.Refrigerant charge



N°.m³/s

4 4 6 6 6 8 813,2 13,2 20,3 19,8 19,8 27,1 27,1





mm.mm.mm.kg.

3160225021701700

3160225021701860

4335225021702160

4335 2250 2170 2290

4335 2250 2170 2380

5510225021702930

5510225021702950





NX_0614T_1214T_201107_EN HFC 410A17

NX11. OPERATION LIMITS

Te out [°C]

Ta in [°C]

-15

-10

15

10

5

5 15(*)Min.

Te out

-5 7

STANDARD UNITOPERATING RANGE

46

DVV2F option (821) required

DVV “Variable fan speed low ambient control” option (802) required

DVVF option (819) required

Operating range achievable with a wind speed lower than 0,5m/s.The unit must be equipped with all following options:- DVV2F option (821) - Extra insulation option (2641)- Electrical heaters option (2432 or 2433 according to hydronic module)

Evaporator outlet temperature [°C]Te out

Outdoor air temperature [°C]Ta in

37

0

0

AB

A

B

Operating range achievable with a wind speed lower than 0,5m/s.The unit must be equipped with all following options:- DVVF option (819) - Extra insulation option (2641)- Electrical heaters option (2432 or 2433 according to hydronic module)

(*)Min.

Te out

-10[°C] for standard units without partial heat reclaim-8[°C] for units with de-superheater for partial heat reclaim

NOTESApplicable to units equipped with de-superheater for partial heat reclaim.De-superheater operating limits:- minimum inlet temperature = 25 [°C]- minimum outlet temperature = 30 [°C]

18

DP “Pressostatic low ambient control” option (801) required

NX /K and NX /D/K 0614T - 1214T

18NX_0614T_1214T_201107_EN HFC 410A

NX

Te out [°C]

Ta in [°C]

-15

-10

15

5 15(*)Min.

Te out

-5 7

46


DVV “Variable fan speed low ambient control” option (802) required (Standard)





37

0

0

AB

A

B


(*)Min.

Te out



NX /LN-K and NX /D/LN-K 0614T - 1214TNX /SL-K and NX /D/SL-K 0614T - 1214T

Non-silenced operating range

-2


NX_0614T_1214T_201107_EN HFC 410A19

NX

Te out [°C]

Ta in [°C]

-15

-10

15

5 15(*)Min.

Te out

-5 7

46


DVV “Variable fan speed low ambient control” option (802) required (Standard)





37

0

0

AB

A

B


(*)Min.

Te out



NX /CA and NX /D/CA 0614T - 1214TNX /LN-CA and NX /D/LN-CA 0614T - 1214TNX /SL-CA and NX /D/SL-CA 0614T - 1214T

Non-silenced operating range applicable to the SL-CA units only.All the LN-CA units operate in silenced mode up to the maximum outdoor temperature

42

3


20NX_0614T_1214T_201107_EN HFC 410A

NX

12. ETHYLENE GLYCOL MIXTURE

Ethylene glycol and water mixture, used as a heat-conveying fluid, cause a variation in unit performance. For correct data, use the fac-tors indicated in the following tabel.

cPf: cooling power correction factorcQ: flow correction factorcdp: pressure drop correction factor

For data concerning other kind of anti-freeze solutions (e,g, propylene glycol) pleasecontact our Sale Department.

Freezing point (°C)

0 -5 -10 -15 -20 -25 -30 -35Ethylene glycol percentage by weight

0 12% 20% 30% 35% 40% 45% 50%cPf 1 0,985 0,98 0,974 0,97 0,965 0,964 0,96cQ 1 1,02 1,04 1,075 1,11 1,14 1,17 1,2cdp 1 1,07 1,11 1,18 1,22 1,24 1,27 1,3

ff: fouling factorsf1 - f2: potential correction factorsfk1 - fk2: compressor power input correction factorsr3: capacity correction factorsKE: minimum condenser outlet temperature increaseKC: maximum condenser outlet temperature decrease

13. FOULING FACTORS

Performances are based on clean condition of tubes (fouling factor = 1). For different fouling values, performance should be adjustedusing the correction factors shown in the following table.

FOULING FACTORS EVAPORATOR CONDENSER/RECOVERY DESUPERHEATER

ff (m2 °CW) F1 FK1 KE [°C] F1 FK1 KE [°C] R3

0 1,000 1,000 0,0 1,000 1,000 0,0 1,001,80 x 10 -5 1,000 1,000 0,0 1,000 1,000 0,0 1,004,40 x 10 -5 1,000 1,000 0,0 0,990 1,030 1,0 0,9908,80 x 10 -5 0,960 0,990 0,7 0,980 1,040 1,5 0,980

13,20 x 10 -5 0,944 0,985 1,0 0,964 1,050 2,3 0,96417,20 x 10 -5 0,930 0,980 1,5 0,950 1,050 3,0 0,950

NX_0614T_1214T_201107_EN HFC 410A21

NX

14. HYDRAULIC DATA

Water flow and pressure dropWater flow in the heat exchangers is given by: Q=Px0,86/DtQ: water flow (m3/h)Dt: difference between inlet and outlet water temp. (°C)P: heat exchanger capacity (kW)

Pressure drop is given by: Dp= K x Q2/1000Q: water flow (m3/h)Dp: pressure drop (kPa)K: unit size ratio

Q min: minimum water flow admitted to the heat exchangerQ max: maximum water flow admitted to the heat exchangerC.a. min: minimum water content admitted in the plant, using traditional control logicC.A.S.: heat exchanger water content- - -

PLANT SIDE COLD HEAT EXCHANGER

SIZEK

Q min Q max C.A.S. C.a.

m³/h m³/h dm³ min m³

NX /CA 0614T 29 18,5 50,1 41,4 0,435NX /CA 0714T 29 21,8 58,3 41,4 0,513NX /CA 0814T 36,2 24,8 58,8 35,8 0,589NX /CA 0914T 24,9 28,4 68,2 39,6 0,666NX /CA 1014T 13,5 31,8 85,5 86 0,755NX /CA 1114T 13,5 35 92,8 86 0,825NX /CA 1214T 13,5 37,6 92,8 86 0,88NX /K 0614T 29 17,5 47,4 41,4 0,412NX /K 0714T 29 20,7 55,8 41,4 0,485NX /K 0814T 36,2 23 58,8 35,8 0,545NX /K 0914T 24,9 26,5 68,2 39,6 0,621NX /K 1014T 24,9 30,9 68,2 39,6 0,723NX /K 1114T 13,5 33 88,6 86 0,771NX /K 1214T 13,5 34,9 92,8 86 0,817NX/LN-CA 0614T 29 18,5 50,1 41,4 0,435NX/LN-CA 0714T 29 21,8 58,3 41,4 0,513NX/LN-CA 0814T 36,2 24,8 58,8 35,8 0,589NX/LN-CA 0914T 24,9 28,4 68,2 39,6 0,666NX/LN-CA 1014T 13,5 31,8 85,5 86 0,755NX/LN-CA 1114T 13,5 35 92,8 86 0,825NX/LN-CA 1214T 13,5 37,6 92,8 86 0,88NX/LN-K 0614T 29 17,5 47,4 41,4 0,412NX/LN-K 0714T 29 20,7 55,8 41,4 0,485NX/LN-K 0814T 36,2 23 58,8 35,8 0,545NX/LN-K 0914T 24,9 26,5 68,2 39,6 0,621NX/LN-K 1014T 24,9 30,9 68,2 39,6 0,723NX/LN-K 1114T 13,5 33 88,6 86 0,771NX/LN-K 1214T 13,5 34,9 92,8 86 0,817NX/SL-CA 0614T 29 18,5 50,1 41,4 0,435NX/SL-CA 0714T 29 21,8 58,3 41,4 0,513NX/SL-CA 0814T 36,2 24,8 58,8 35,8 0,589NX/SL-CA 0914T 24,9 28,4 68,2 39,6 0,666NX/SL-CA 1014T 13,5 31,8 85,5 86 0,755NX/SL-CA 1114T 13,5 35 92,8 86 0,825NX/SL-CA 1214T 13,5 37,6 92,8 86 0,88NX/SL-K 0614T 29 17,5 47,4 41,4 0,412NX/SL-K 0714T 29 20,7 55,8 41,4 0,485NX/SL-K 0814T 36,2 23 58,8 35,8 0,545NX/SL-K 0914T 24,9 26,5 68,2 39,6 0,621NX/SL-K 1014T 24,9 30,9 68,2 39,6 0,723

22NX_0614T_1214T_201107_EN HFC 410A

NX

Water flow and pressure dropWater flow in the heat exchangers is given by: Q=Px0,86/DtQ: water flow (m3/h)Dt: difference between inlet and outlet water temp. (°C)P: heat exchanger capacity (kW)

Pressure drop is given by: Dp= K x Q2/1000Q: water flow (m3/h)Dp: pressure drop (kPa)K: unit size ratio

Q min: minimum water flow admitted to the heat exchangerQ max: maximum water flow admitted to the heat exchangerC.a. min: minimum water content admitted in the plant, using traditional control logicC.A.S.: heat exchanger water content- - -

PLANT SIDE COLD HEAT EXCHANGER AUXILIARY SIDE HEATEXCHANGER

SIZEK

Q min Q max C.A.S. C.a.K

Q min C.A.S. Q max

m³/h m³/h dm³ min m³ m³/h dm³ m³/h

NX /SL-K 1114T 13,5 33 88,6 86 0,771 - - - -NX /SL-K 1214T 13,5 34,9 92,8 86 0,817 - - - -NX /D /CA 0614T 29 18,5 50,1 41,4 0,435 315 - 1,22 9,7NX /D /CA 0714T 29 21,8 58,3 41,4 0,513 315 - 1,22 11,3NX /D /CA 0814T 36,2 24,8 58,8 35,8 0,589 315 - 1,22 13,6NX /D /CA 0914T 24,9 28,4 68,2 39,6 0,666 250 - 1,46 15,5NX /D /CA 1014T 13,5 31,8 85,5 86 0,755 250 - 1,46 16,7NX /D /CA 1114T 13,5 35 92,8 86 0,825 200 - 1,83 18,5NX /D /CA 1214T 13,5 37,6 92,8 86 0,88 200 - 1,83 20,4NX /D /K 0614T 29 17,5 47,4 41,4 0,412 315 - 1,22 9,7NX /D /K 0714T 29 20,7 55,8 41,4 0,485 315 - 1,22 11,3NX /D /K 0814T 36,2 23 58,8 35,8 0,545 315 - 1,22 13,6NX /D /K 0914T 24,9 26,5 68,2 39,6 0,621 250 - 1,46 15,5NX /D /K 1014T 24,9 30,9 68,2 39,6 0,723 250 - 1,46 16,7NX /D /K 1114T 13,5 33 88,6 86 0,771 200 - 1,83 18,5NX /D /K 1214T 13,5 34,9 92,8 86 0,817 200 - 1,83 20,4NX /D /LN-CA 0614T 29 18,5 50,1 41,4 0,435 315 - 1,22 9,7NX /D /LN-CA 0714T 29 21,8 58,3 41,4 0,513 315 - 1,22 11,3NX /D /LN-CA 0814T 36,2 24,8 58,8 35,8 0,589 315 - 1,22 13,6NX /D /LN-CA 0914T 24,9 28,4 68,2 39,6 0,666 250 - 1,46 15,5NX /D /LN-CA 1014T 13,5 31,8 85,5 86 0,755 250 - 1,46 16,7NX /D /LN-CA 1114T 13,5 35 92,8 86 0,825 200 - 1,83 18,5NX /D /LN-CA 1214T 13,5 37,6 92,8 86 0,88 200 - 1,83 20,4NX /D /LN-K 0614T 29 17,5 47,4 41,4 0,412 315 - 1,22 9,7NX /D /LN-K 0714T 29 20,7 55,8 41,4 0,485 315 - 1,22 11,3NX /D /LN-K 0814T 36,2 23 58,8 35,8 0,545 315 - 1,22 13,6NX /D /LN-K 0914T 24,9 26,5 68,2 39,6 0,621 250 - 1,46 15,5NX /D /LN-K 1014T 24,9 30,9 68,2 39,6 0,723 250 - 1,46 16,7NX /D /LN-K 1114T 13,5 33 88,6 86 0,771 200 - 1,83 18,5NX /D /LN-K 1214T 13,5 34,9 92,8 86 0,817 200 - 1,83 20,4NX /D /SL-CA 0614T 29 18,5 50,1 41,4 0,435 315 - 1,22 9,7NX /D /SL-CA 0714T 29 21,8 58,3 41,4 0,513 315 - 1,22 11,3NX /D /SL-CA 0814T 36,2 24,8 58,8 35,8 0,589 315 - 1,22 13,6NX /D /SL-CA 0914T 24,9 28,4 68,2 39,6 0,666 250 - 1,46 15,5NX /D /SL-CA 1014T 13,5 31,8 85,5 86 0,755 250 - 1,46 16,7NX /D /SL-CA 1114T 13,5 35 92,8 86 0,825 200 - 1,83 18,5NX /D /SL-CA 1214T 13,5 37,6 92,8 86 0,88 200 - 1,83 20,4NX /D /SL-K 0614T 29 17,5 47,4 41,4 0,412 315 - 1,22 9,7NX /D /SL-K 0714T 29 20,7 55,8 41,4 0,485 315 - 1,22 11,3NX /D /SL-K 0814T 36,2 23 58,8 35,8 0,545 315 - 1,22 13,6NX /D /SL-K 0914T 24,9 26,5 68,2 39,6 0,621 250 - 1,46 15,5NX /D /SL-K 1014T 24,9 30,9 68,2 39,6 0,723 250 - 1,46 16,7NX /D /SL-K 1114T 13,5 33 88,6 86 0,771 200 - 1,83 18,5NX /D /SL-K 1214T 13,5 34,9 92,8 86 0,817 200 - 1,83 20,4

NX_0614T_1214T_201107_EN HFC 410A23

NX

15. HYDRONIC GROUP (OPTIONAL)

The units can be supplied with a hydronic group. This housesall the main hydraulic components, thereby optimising hydraulicand electric installation space, time and cost.

Available pump configurations:- Hydronic kit with one IN-LINE 2-pole low-head pump- Hydronic kit with one IN-LINE 2-pole high-head pump- Hydronic kit with IN-LINE 2-pole low-head twin pumps- Hydronic kit with IN-LINE 2-pole high-head twin pumps

Storage tank combinations

Storage tank (upon request) The storage tank system features: - 500 litre tank for the sizes and versions shown in the table of

combinations. - 700 litre tank for the sizes and versions shown in the table of

combinations. - expansion vessel (EPDM membrane), 25 litre capacity with

1.5 bar pre-charge for 500 litre tanks- expansion vessel (EPDM membrane), 40 litre capacity with

1.5 bar pre-charge for 700 litre tanks- pressure gauge- safety valve calibrated to 6 bars- storage tank with 20 mm lining- tank frost protection heater upon request

2-pole low head pumpCentrifugal pumps with in-line suction and delivery flanges, insingle and twin versions. Pump body in cast iron and impeller inAISI 316L stainless steel or cast-iron, entirely laser technologywelded. Mechanical seal with components in ceramics, carbonand EPDM elastomers. Three-phase electric motor protected toIP55, insulation class F, suitable for continuous service.

2-pole high-head pumpAll versions of the hydronic unit can be supplied with a highhead pump. In these cases, the pump features a two-polemotor even in the silent-running versions.

Twin pumpA second stand-by pump for high or low pressures is availableon request. The pumps are automatically exchanged on thebasis of a rotation programme and the stand-by pump cuts inautomatically if the primary pump fails.

GENERAL CHARACTERISTICSWater connectionsIn the units without pumps, standard version, the connectionsfor the water inlet and outlet both in the evaporator and in thedesuperheater are inside the unit. As an accessory one canrequest these connections flush with the unit.For units with pumps, the connections are always flush with theunit.

Water-side mechanical filter (optional)Y-filter designed and built to capture the impurities in thehydraulic circuit. It is fitted with a 0.9 mm stainless steel meshcartridge which can be replaced without removing the valvebody from the piping.

Unit electrical panel

The unit electrical panel is fitted with fuses and a circuit breakercontactor.

Special pumpsFor pumps with different configurations, please contact oursales department.

Additional components The supply does not include the following accessories thoughthese are recommended to ensure correct system operation:MA Pressure gauges upline and downline from the unitGF Flexible joints on pipingRI On-off valvesT Outlet control thermometer

NX VERSION

WATER TANK

Capacity

[liters]

0614T

K 500

LN-K 500

SL-K 500

CA 500

LN-CA 500

SL-CA 700

0714T

K 500

LN-K 500

SL-K 500

CA 700

LN-CA 700

SL-CA 700

0814T

K 500

LN-K 500

SL-K 700

CA 700

LN-CA 700

SL-CA 700

0914T

K 500

LN-K 500

SL-K 700

CA 700

LN-CA 700

SL-CA 700

1014T

K 700

LN-K 700

SL-K 700

CA 700

LN-CA 700

SL-CA 700

1114T

K 700

LN-K 700

SL-K 700

CA 700

LN-CA 700

SL-CA 700

1214T

K 700

LN-K 700

SL-K 700

CA 700

LN-CA 700

SL-CA 700

24NX_0614T_1214T_201107_EN HFC 410A

NX

HYDRONIC GROUP (OPTIONAL)

15.1 Hydraulic diagram

P

S1

S2

EV

SF

SC

Pd

P

Sonda ingresso acqua scambiatore Exchanger water inlet probe

P

LEGENDA - LEGEND

SC

S1

S2Sonda uscita acqua scambiatoreExchanger water outlet probe

EV

Drain valveValvola di scarico

Evaporator Evaporatore

PompaWater pump

RITORNO DALL'IMPIANTORETURN FROM HYDRAULIC SYSTEM

MANDATA ALL'IMPIANTODISCHARGE TO HYDRAULIC SYSTEM

SF Purge valveValvola di sfiato

CONPONENTI DEL KIT IDRONICOCOMPONENTS OF THE HYDRONIC KIT

Pd Water Differential pressure switchPressostato differenziale lato acqua

NX_0614T_1214T_201107_EN HFC 410A25

NX

15.2 Hydraulic diagram with water tank

Pd

S1

S2

Sc1

EV

~VE

Sc2VA

Sf2

AC

P P

RRMA

Sf1

Sc1

Evaporators/Condensers water outlet probe

Evaporators/Condensers water inlet probe

Sonda uscita acqua evaporatori/condensatori

Sonda ingresso acqua evaporatori/condensatori

Pressostato differenzialeDifferential pressure switch

Evaporatore

S2

S1

Pd

LEGENDA - LEGEND

EV Evaporator

Scarico Evaporatore/CondensatoreEvaporator/Condenser drain valve

DISCHARGE TO HYDRAULIC SYSTEM

Sc1

MANDATA ALL'IMPIANTO

Evaporator/Condenser breather valveSfiato Evaporatore/Condensatore

Sf1

RITORNO DALL'IMPIANTORETURN FROM HYDRAULIC SYSTEM

AccumuloWater tankAC

MA Water pressure gaugeManometro

PPompaWater pump

Filling valveRubinetto reintegro

RR

Sc2 Water tank drain valveScarico acqua accumulo

Sfiato accumuloTank breather valveSf2

Safety valveValvola di sicurezza

VA

VEVaso di espansioneExpansion tank


26NX_0614T_1214T_201107_EN HFC 410A

NX

1 PUMP - LOW HEAD PUMP

WORKING HEAD CURVES

(1) Values refer to rated operating conditions Pf Cooling capacity of unit Pt Heating capacity of unit Q Flow of water to evaporator F.L.I. Power absorbed by pump F.L.A. Current absorbed by pump

Ks Coefficients for calculating pressure dropsUnit with hydronic unit without network filter and 3 way valve

Kv3v Coefficients 3 way valve for calculating pressure dropsKfi Coefficients filter for calculating pressure dropsDps Total pressure drop of hydronic group Hu Residual head

0

20

40

60

80

100

120

140

160

180

200

220

240

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74

Q [m3/h]

Hu

[k

Pa]

A1

D1 D2 E1 E2

E3


SIZE VERSIONPf (1) Q (1) Rif. Type Nr. F.L.I. F.L.A. Ks Dps Hu Kfi

[kW] [m3/h] Pump Pump Poles [kW] [A] - kPa kPa -

0614TK 164,7 28,3 A1 FCE 50-160/22 2 2,2 5 33,1 26,6 152 23,7

CA 174,1 29,9 A1 FCE 50-160/22 2 2,2 5 33,1 29,7 142 23,7

0714TK 194,1 33,4 A1 FCE 50-160/22 2 2,2 5 33,1 36,9 119,1 23,7

CA 205,2 35,3 A1 FCE 50-160/22 2 2,2 5 33,1 41,2 105,9 23,7

0814TK 217,8 37,5 D1 FCE 65-125/30 2 3 6 40,3 56,6 118,1 4,9

CA 235,4 40,5 D1 FCE 65-125/30 2 3 6 40,3 66,1 102,7 4,9

0914TK 248,2 42,7 D2 FCE 65-125/30 2 3 6 29 52,9 110 4,9

CA 266,4 45,8 D2 FCE 65-125/30 2 3 6 29 60,9 94,1 4,9

1014TK 289,2 49,7 E1 FCE 65-125/40 2 4 8,1 29 71,8 117,6 4,9

CA 301,9 51,9 E2 FCE 65-125/40 2 4 8,1 17,6 47,5 138 4,9

1114TK 308,4 53 E3 FCE 65-125/40 2 4 8,1 15,8 44,5 136 4,9

CA 330 56,8 E3 FCE 65-125/40 2 4 8,1 15,8 50,9 119,8 4,9

1214TK 326,7 56,2 E3 FCE 65-125/40 2 4 8,1 15,8 49,9 120,8 4,9

CA 352 60,5 E3 FCE 65-125/40 2 4 8,1 15,8 57,9 100 4,9

NX_0614T_1214T_201107_EN HFC 410A27

NX

1 PUMP - HIGH HEAD PUMP

WORKING HEAD CURVES




0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

320

340

360

380

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80

Q [m3/h]

Hu

[k

Pa]

B1 C1 F1F2

F3

F4

G1




0614TK 164,7 28,3 B1 FCE 50-160/30 2 3 6 33,1 26,6 207,9 23,7

CA 174,1 29,9 B1 FCE 50-160/30 2 3 6 33,1 29,7 195,9 23,7

0714TK 194,1 33,4 C1 FCE 50-160/40 2 4 8,1 33,1 36,9 224,1 23,7

CA 205,2 35,3 C1 FCE 50-160/40 2 4 8,1 33,1 41,2 209,9 23,7

0814TK 217,8 37,5 F1 FCE 65-160/55 2 5,5 10,1 40,3 56,6 236,8 4,9

CA 235,4 40,5 F1 FCE 65-160/55 2 5,5 10,1 40,3 66,1 220,4 4,9

0914TK 248,2 42,7 F2 FCE 65-160/55 2 5,5 10,1 29 52,9 226,7 4,9

CA 266,4 45,8 F2 FCE 65-160/55 2 5,5 10,1 29 60,9 211,8 4,9

1014TK 289,2 49,7 F2 FCE 65-160/55 2 5,5 10,1 29 71,8 189,2 4,9

CA 301,9 51,9 F3 FCE 65-160/55 2 5,5 10,1 17,6 47,5 210,5 4,9

1114TK 308,4 53 F4 FCE 65-160/55 2 5,5 10,1 15,8 44,5 207,7 4,9

CA 330 56,8 F4 FCE 65-160/55 2 5,5 10,1 15,8 50,9 191,4 4,9

1214TK 326,7 56,2 G1 FCE 65-160/75 2 7,5 13,7 15,8 49,9 257,2 4,9

CA 352 60,5 G1 FCE 65-160/75 2 7,5 13,7 15,8 57,9 233,4 4,9

28NX_0614T_1214T_201107_EN HFC 410A

NX

1 PUMP - LOW HEAD PUMP WITH WATER TANK

WORKING HEAD CURVES




0

20

40

60

80

100

120

140

160

180

200

220

240

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74

Q [m3/h]

Hu

[k

Pa]

A1

D1 D2 E1 E2

E3




0614TK 164,7 28,3 A1 FCE 50-160/22 2 2,2 5 35,8 28,7 149,8 23,7

CA 174,1 29,9 A1 FCE 50-160/22 2 2,2 5 35,8 32,1 139,6 23,7

0714TK 194,1 33,4 A1 FCE 50-160/22 2 2,2 5 35,8 39,9 116,1 23,7

CA 205,2 35,3 A1 FCE 50-160/22 2 2,2 5 35,8 44,6 102,6 23,7

0814TK 217,8 37,5 D1 FCE 65-125/30 2 3 6 43 60,3 114,3 4,9

CA 235,4 40,5 D1 FCE 65-125/30 2 3 6 43 70,5 98,2 4,9

0914TK 248,2 42,7 D2 FCE 65-125/30 2 3 6 31,7 57,8 105,1 4,9

CA 266,4 45,8 D2 FCE 65-125/30 2 3 6 31,7 66,6 88,4 4,9

1014TK 289,2 49,7 E1 FCE 65-125/40 2 4 8,1 31,7 78,4 110,9 4,9

CA 301,9 51,9 E2 FCE 65-125/40 2 4 8,1 20,3 54,7 130,7 4,9

1114TK 308,4 53 E3 FCE 65-125/40 2 4 8,1 18,2 51,2 129,3 4,9

CA 330 56,8 E3 FCE 65-125/40 2 4 8,1 18,2 58,6 112,1 4,9

1214TK 326,7 56,2 E3 FCE 65-125/40 2 4 8,1 18,2 57,5 113,2 4,9

CA 352 60,5 E3 FCE 65-125/40 2 4 8,1 18,2 66,7 91,2 4,9

NX_0614T_1214T_201107_EN HFC 410A29

NX

1 PUMP - HIGH HEAD PUMP WITH WATER TANK

WORKING HEAD CURVES




0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

320

340

360

380

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80

Q [m3/h]

Hu

[k

Pa]

B1 C1 F1F2

F3

F4

G1




0614TK 164,7 28,3 B1 FCE 50-160/30 2 3 6 35,8 28,7 205,7 23,7

CA 174,1 29,9 B1 FCE 50-160/30 2 3 6 35,8 32,1 193,5 23,7

0714TK 194,1 33,4 C1 FCE 50-160/40 2 4 8,1 35,8 39,9 221 23,7

CA 205,2 35,3 C1 FCE 50-160/40 2 4 8,1 35,8 44,6 206,5 23,7

0814TK 217,8 37,5 F1 FCE 65-160/55 2 5,5 10,1 43 60,3 233 4,9

CA 235,4 40,5 F1 FCE 65-160/55 2 5,5 10,1 43 70,5 216 4,9

0914TK 248,2 42,7 F2 FCE 65-160/55 2 5,5 10,1 31,7 57,8 221,8 4,9

CA 266,4 45,8 F2 FCE 65-160/55 2 5,5 10,1 31,7 66,6 206,2 4,9

1014TK 289,2 49,7 F2 FCE 65-160/55 2 5,5 10,1 31,7 78,4 182,5 4,9

CA 301,9 51,9 F3 FCE 65-160/55 2 5,5 10,1 20,3 54,7 203,3 4,9

1114TK 308,4 53 F4 FCE 65-160/55 2 5,5 10,1 18,2 51,2 200,9 4,9

CA 330 56,8 F4 FCE 65-160/55 2 5,5 10,1 18,2 58,6 183,7 4,9

1214TK 326,7 56,2 G1 FCE 65-160/75 2 7,5 13,7 18,2 57,5 249,6 4,9

CA 352 60,5 G1 FCE 65-160/75 2 7,5 13,7 18,2 66,7 224,6 4,9

30NX_0614T_1214T_201107_EN HFC 410A

NX

2 PUMPS - LOW HEAD PUMP

WORKING HEAD CURVES




0

20

40

60

80

100

120

140

160

180

200

220

240

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74

Q [m3/h]

Hu

[k

Pa]

A1

D1 D2 E1 E2 E3


SIZE VERSIONEPf (1) Q (1) Rif. Type Nr. F.L.I. F.L.A. Ks Dps Hu Kfi


0614TK 164,7 28,3 A1 FCTE 50-160/22 2 2,2 5 33,1 26,6 148,1 23,7

CA 174,1 29,9 A1 FCTE 50-160/22 2 2,2 5 33,1 29,7 138,1 23,7

0714TK 194,1 33,4 A1 FCTE 50-160/22 2 2,2 5 33,1 36,9 111,2 23,7

CA 205,2 35,3 A1 FCTE 50-160/22 2 2,2 5 33,1 41,2 98,1 23,7

0814TK 217,8 37,5 D1 FCTE 65-125/30 2 3 6 40,3 56,6 116,1 4,9

CA 235,4 40,5 D1 FCTE 65-125/30 2 3 6 40,3 66,1 99,7 4,9

0914TK 248,2 42,7 D2 FCTE 65-125/30 2 3 6 29 52,9 105,1 4,9

CA 266,4 45,8 D2 FCTE 65-125/30 2 3 6 29 60,9 88,2 4,9

1014TK 289,2 49,7 E1 FCTE 65-125/40 2 4 8,1 29 71,8 112,7 4,9

CA 301,9 51,9 E2 FCTE 65-125/40 2 4 8,1 17,6 47,5 132,1 4,9

1114TK 308,4 53 E3 FCTE 65-125/40 2 4 8,1 15,8 44,5 129,2 4,9

CA 330 56,8 E3 FCTE 65-125/40 2 4 8,1 15,8 50,9 111 4,9

1214TK 326,7 56,2 E3 FCTE 65-125/40 2 4 8,1 15,8 49,9 113 4,9

CA 352 60,5 E3 FCTE 65-125/40 2 4 8,1 15,8 57,9 88,3 4,9

NX_0614T_1214T_201107_EN HFC 410A31

NX

2 PUMPS - HIGH HEAD PUMP

WORKING HEAD CURVES




0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

320

340

360

380

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80

Q [m3/h]

Hu

[k

Pa]

B1 C1 F1 F2

F3

F4

G1




0614TK 164,7 28,3 B1 FCTE 50-160/30 2 3 6 33,1 26,6 205 23,7

CA 174,1 29,9 B1 FCTE 50-160/30 2 3 6 33,1 29,7 194 23,7

0714TK 194,1 33,4 C1 FCTE 50-160/40 2 4 8,1 33,1 36,9 225 23,7

CA 205,2 35,3 C1 FCTE 50-160/40 2 4 8,1 33,1 41,2 208,9 23,7

0814TK 217,8 37,5 F1 FCTE 65-160/55 2 5,5 10,1 40,3 56,6 240,7 4,9

CA 235,4 40,5 F1 FCTE 65-160/55 2 5,5 10,1 40,3 66,1 224,3 4,9

0914TK 248,2 42,7 F2 FCTE 65-160/55 2 5,5 10,1 29 52,9 230,7 4,9

CA 266,4 45,8 F2 FCTE 65-160/55 2 5,5 10,1 29 60,9 213,8 4,9

1014TK 289,2 49,7 F2 FCTE 65-160/55 2 5,5 10,1 29 71,8 190,2 4,9

CA 301,9 51,9 F3 FCTE 65-160/55 2 5,5 10,1 17,6 47,5 209,6 4,9

1114TK 308,4 53 F4 FCTE 65-160/55 2 5,5 10,1 15,8 44,5 206,7 4,9

CA 330 56,8 F4 FCTE 65-160/55 2 5,5 10,1 15,8 50,9 188,5 4,9

1214TK 326,7 56,2 G1 FCTE 65-160/75 2 7,5 13,7 15,8 49,9 243,4 4,9

CA 352 60,5 G1 FCTE 65-160/75 2 7,5 13,7 15,8 57,9 217,7 4,9

32NX_0614T_1214T_201107_EN HFC 410A

NX

2 PUMPS - LOW HEAD PUMP WITH WATER TANK

WORKING HEAD CURVES




0

20

40

60

80

100

120

140

160

180

200

220

240

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72

Q [m3/h]

Hu

[k

Pa]

A1

D1 D2 E1 E2 E3




0614TK 164,7 28,3 A1 FCTE 50-160/22 2 2,2 5 35,8 28,7 145,9 23,7

CA 174,1 29,9 A1 FCTE 50-160/22 2 2,2 5 35,8 32,1 135,6 23,7

0714TK 194,1 33,4 A1 FCTE 50-160/22 2 2,2 5 35,8 39,9 108,2 23,7

CA 205,2 35,3 A1 FCTE 50-160/22 2 2,2 5 35,8 44,6 94,7 23,7

0814TK 217,8 37,5 D1 FCTE 65-125/30 2 3 6 43 60,3 112,3 4,9

CA 235,4 40,5 D1 FCTE 65-125/30 2 3 6 43 70,5 95,3 4,9

0914TK 248,2 42,7 D2 FCTE 65-125/30 2 3 6 31,7 57,8 100,2 4,9

CA 266,4 45,8 D2 FCTE 65-125/30 2 3 6 31,7 66,6 82,6 4,9

1014TK 289,2 49,7 E1 FCTE 65-125/40 2 4 8,1 31,7 78,4 106 4,9

CA 301,9 51,9 E2 FCTE 65-125/40 2 4 8,1 20,3 54,7 94 4,9

1114TK 308,4 53 E3 FCTE 65-125/40 2 4 8,1 18,2 51,2 122,4 4,9

CA 330 56,8 E3 FCTE 65-125/40 2 4 8,1 18,2 58,6 103,2 4,9

1214TK 326,7 56,2 E3 FCTE 65-125/40 2 4 8,1 18,2 57,5 105,4 4,9

CA 352 60,5 E3 FCTE 65-125/40 2 4 8,1 18,2 66,7 79,5 4,9

NX_0614T_1214T_201107_EN HFC 410A33

NX

2 PUMPS - HIGH HEAD PUMP WITH WATER TANK

WORKING HEAD CURVES




0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

320

340

360

380

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80

Q [m3/h]

Hu

[k

Pa]

B1 C1 F1 F2F3

F4

G1




0614TK 164,7 28,3 B1 FCTE 50-160/30 2 3 6 35,8 28,7 202,8 23,7

CA 174,1 29,9 B1 FCTE 50-160/30 2 3 6 35,8 32,1 191,6 23,7

0714TK 194,1 33,4 C1 FCTE 50-160/40 2 4 8,1 35,8 39,9 222 23,7

CA 205,2 35,3 C1 FCTE 50-160/40 2 4 8,1 35,8 44,6 205,6 23,7

0814TK 217,8 37,5 F1 FCTE 65-160/55 2 5,5 10,1 43 60,3 236,9 4,9

CA 235,4 40,5 F1 FCTE 65-160/55 2 5,5 10,1 43 70,5 219,9 4,9

0914TK 248,2 42,7 F2 FCTE 65-160/55 2 5,5 10,1 31,7 57,8 225,7 4,9

CA 266,4 45,8 F2 FCTE 65-160/55 2 5,5 10,1 31,7 66,6 208,1 4,9

1014TK 289,2 49,7 F2 FCTE 65-160/55 2 5,5 10,1 31,7 78,4 183,5 4,9

CA 301,9 51,9 F3 FCTE 65-160/55 2 5,5 10,1 20,3 54,7 171,5 4,9

1114TK 308,4 53 F4 FCTE 65-160/55 2 5,5 10,1 18,2 51,2 199,9 4,9

CA 330 56,8 F4 FCTE 65-160/55 2 5,5 10,1 18,2 58,6 180,7 4,9

1214TK 326,7 56,2 G1 FCTE 65-160/75 2 7,5 13,7 18,2 57,5 235,9 4,9

CA 352 60,5 G1 FCTE 65-160/75 2 7,5 13,7 18,2 66,7 208,9 4,9

34NX_0614T_1214T_201107_EN HFC 410A

NX

16. ELECTRICAL DATA

F.L.I.: Full load powerF.L.A.: Full load currentL.R.A.: Locked rotor amperes for single compressorS.A.: Inrush current(1) (2) Safety values to be considered when cabling the unit for power supply

and line-protections(1) Values calculated referring to the version with the maximum number of

fans working at the max absorbed current

Power supply: 400/3/50Voltage tolerance: 10%Maximum voltage unbalance: 3%

Give the typical operating conditions of units designed for outdoor installation,which can be associated (according to reference document IEC 60721) to the fol-lowing classes:- climatic conditions class 4K4H: air temperature range from -20 up to 55°C (*),

relative humidity range from 4 up to 100%, with possible precipitations, at air-pressure from 70 and 106 kPa and a maximum solar radiation of 1120 W/m2

- special climatic conditions negligible- biological conditions class 4B1 and 4C2: locations in a generic urban area- mechanically active substances class 4S2: locations in areas with sand or dust

representative of urban areas- mechanical conditions class 4M1: locations protected from significant vibrations

or shocksThe required protection level for safe operation, according to reference documentIEC 60529, is IP43XW (protection against access, to the most critical unit'sparts, of external devices with diameter larger than 1 mm and rain).The unit can be considered IP44XW protected, i.e. protected against access ofexternal devices (with diameter larger than 1 mm) and water in general.

(*) for the unit’s operating limits, see “selection limits” section

Maximum values

Compressor SIZE

n F.L.I. [kW]

F.L.A. [A]

L.R.A.[A]

L.R.A.[A]

F.L.A. [A]

F.L.I. [kW]

F.L.A.[A]

F.L.I.[kW]

Fans (1) Total (1) (2)

4 4x17.2 4x29.2 4x197 2 4,1 77 133 3010614T 4 2x17.3+2x23.8 2x30.5+2x39.8 2x160+2x215 2 4,1 94 165 3400714T 4 4x23.8 4x39.8 4x215 2 4,1 107 184 3590814T 4 2x23.8+2x30 2x39.8+2x51.2 2x215+2x260 2 4,1 120 207 4150914T 4 4x30 4x51.2 4x260 2 4,1 132 229 4381014T 4 2x30+2x35.3 2x51.2+2x57.9 2x260+2x320 2 4,1 147 251 5131114T 4 4x35.3 4x57.9 4x320 2 4,1 157 264 5271214T

16.1 NX /CA Electrical data

Maximum values

Compressor SIZE

n F.L.I. [kW]

F.L.A. [A]

L.R.A.[A]

L.R.A.[A]

F.L.A. [A]

F.L.I. [kW]

F.L.A.[A]

F.L.I.[kW]



16.2 NX /K Electrical data

Maximum values

Compressor SIZE

n F.L.I. [kW]

F.L.A. [A]

L.R.A.[A]

L.R.A.[A]

F.L.A. [A]

F.L.I. [kW]

F.L.A.[A]

F.L.I.[kW]


4 4x17.2 4x29.2 4x197 0,93 2,3 73 126 2940614T 4 2x17.3+2x23.8 2x30.5+2x39.8 2x160+2x215 0,93 2,3 88 154 3300714T 4 4x23.8 4x39.8 4x215 0,93 2,3 101 173 3480814T 4 2x23.8+2x30 2x39.8+2x51.2 2x215+2x260 0,93 2,3 113 196 4050914T 4 4x30 4x51.2 4x260 0,93 2,3 127 223 4321014T 4 2x30+2x35.3 2x51.2+2x57.9 2x260+2x320 0,93 2,3 138 237 4991114T 4 4x35.3 4x57.9 4x320 0,93 2,3 149 250 5121214T

16.3 NX /LN-CA Electrical data

NX_0614T_1214T_201107_EN HFC 410A35

NX

Maximum values

Compressor SIZE

n F.L.I. [kW]

F.L.A. [A]

L.R.A.[A]

L.R.A.[A]

F.L.A. [A]

F.L.I. [kW]

F.L.A.[A]

F.L.I.[kW]



16.4 NX /LN-K Electrical data

Maximum values

Compressor SIZE

n F.L.I. [kW]

F.L.A. [A]

L.R.A.[A]

L.R.A.[A]

F.L.A. [A]

F.L.I. [kW]

F.L.A.[A]

F.L.I.[kW]



16.5 NX /SL-CA Electrical data

Maximum values

Compressor SIZE

n F.L.I. [kW]

F.L.A. [A]

L.R.A.[A]

L.R.A.[A]

F.L.A. [A]

F.L.I. [kW]

F.L.A.[A]

F.L.I.[kW]



16.6 NX /SL-K Electrical data

F.L.I.: Full load powerF.L.A.: Full load currentL.R.A.: Locked rotor amperes for single compressorS.A.: Inrush current(1) (2) Safety values to be considered when cabling the unit for power supply

and line-protections(1) Values calculated referring to the version with the maximum number of

fans working at the max absorbed current

Power supply: 400/3/50Voltage tolerance: 10%Maximum voltage unbalance: 3%

Give the typical operating conditions of units designed for outdoor installation,which can be associated (according to reference document IEC 60721) to the fol-lowing classes:- climatic conditions class 4K4H: air temperature range from -20 up to 55°C (*),

relative humidity range from 4 up to 100%, with possible precipitations, at air-pressure from 70 and 106 kPa and a maximum solar radiation of 1120 W/m2

- special climatic conditions negligible- biological conditions class 4B1 and 4C2: locations in a generic urban area- mechanically active substances class 4S2: locations in areas with sand or dust

representative of urban areas- mechanical conditions class 4M1: locations protected from significant vibrations

or shocksThe required protection level for safe operation, according to reference documentIEC 60529, is IP43XW (protection against access, to the most critical unit'sparts, of external devices with diameter larger than 1 mm and rain).The unit can be considered IP44XW protected, i.e. protected against access ofexternal devices (with diameter larger than 1 mm) and water in general.

(*) for the unit’s operating limits, see “selection limits” section

36NX_0614T_1214T_201107_EN HFC 410A

NX

17. FULL LOAD SOUND LEVEL

SIZE Octave band [Hz] 20001000 500 250125 63 80004000

Total sound level

Sound power level dB(A)

SOUND POWER

96 94 93 90 87 82 77 72 920614T 97 95 94 91 88 83 78 73 930714T 98 96 95 92 89 84 79 74 940814T 99 97 96 93 90 85 80 75 950914T 99 97 96 93 90 85 80 75 951014T

100 98 97 94 91 86 81 76 961114T 101 99 98 95 92 87 82 77 971214T

SIZE Octave band [Hz] at 10 m

20001000 500 250125 63 80004000

Total sound level

Sound pressure level dB(A)

SOUND PRESSURE LEVEL

64 62 61 58 55 50 45 40 600614T 65 63 62 59 56 51 46 41 610714T 66 64 63 60 57 52 47 42 620814T 67 65 64 61 58 53 48 43 630914T 67 65 64 61 58 53 48 43 631014T 68 66 65 62 59 54 49 44 641114T 69 67 66 63 60 55 50 45 651214T

17.1 NX /CA Full load sound level

Working conditions

Plant (side) cooling exchanger water (in/out) 12/7 °CSource (side) heat exchanger air (in) 35 °CSound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units; in com-pliance with ISO 3744 for non-certified unitsSuch certification refers specifically to the sound Power Level in dB(A). This is therefore the only acoustic data to be considered asbinding.

Working conditions

Plant (side) cooling exchanger water (in/out) 12/7 °CSource (side) heat exchanger air (in) 35 °CAverage sound pressure level, at 10 (m.) distance, unit in a free field on a reflective surface; non-binding value obtained from the soundpower level.

NX_0614T_1214T_201107_EN HFC 410A37

NX


Total sound level


SOUND POWER

96 94 93 90 87 82 77 72 920614T 96 94 93 90 87 82 77 72 920714T 97 95 94 91 88 83 78 73 930814T 98 96 95 92 89 84 79 74 940914T 99 97 96 93 90 85 80 75 951014T 99 97 96 93 90 85 80 75 951114T 99 97 96 93 90 85 80 75 951214T


20001000 500 250125 63 80004000

Total sound level



64 62 61 58 55 50 45 40 600614T 64 62 61 58 55 50 45 40 600714T 65 63 62 59 56 51 46 41 610814T 66 64 63 60 57 52 47 42 620914T 67 65 64 61 58 53 48 43 631014T 67 65 64 61 58 53 48 43 631114T 67 65 64 61 58 53 48 43 631214T

17.2 NX /K Full load sound level

Working conditions


Working conditions


38NX_0614T_1214T_201107_EN HFC 410A

NX


Total sound level


SOUND POWER

89 86 85 84 82 76 71 66 860614T 90 87 86 85 83 77 72 67 870714T 91 88 87 86 84 78 73 68 880814T 92 89 88 87 85 79 74 69 890914T 93 90 89 88 86 80 75 70 901014T 94 91 90 89 87 81 76 71 911114T 94 91 90 89 87 81 76 71 911214T


20001000 500 250125 63 80004000

Total sound level



57 54 53 52 50 44 39 34 540614T 58 55 54 53 51 45 40 35 550714T 59 56 55 54 52 46 41 36 560814T 60 57 56 55 53 47 42 37 570914T 61 58 57 56 54 48 43 38 581014T 62 59 58 57 55 49 44 39 591114T 62 59 58 57 55 49 44 39 591214T

17.3 NX /LN-CA Full load sound level

Working conditions


Working conditions


NX_0614T_1214T_201107_EN HFC 410A39

NX


Total sound level


SOUND POWER

89 86 85 84 82 76 71 66 860614T 89 86 85 84 82 76 71 66 860714T 90 87 86 85 83 77 72 67 870814T 91 88 87 86 84 78 73 68 880914T 92 89 88 87 85 79 74 69 891014T 92 89 88 87 85 79 74 69 891114T 93 90 89 88 86 80 75 70 901214T


20001000 500 250125 63 80004000

Total sound level



57 54 53 52 50 44 39 34 540614T 57 54 53 52 50 44 39 34 540714T 58 55 54 53 51 45 40 35 550814T 59 56 55 54 52 46 41 36 560914T 60 57 56 55 53 47 42 37 571014T 60 57 56 55 53 47 42 37 571114T 61 58 57 56 54 48 43 38 581214T

17.4 NX /LN-K Full load sound level

Working conditions


Working conditions


40NX_0614T_1214T_201107_EN HFC 410A

NX


Total sound level


SOUND POWER

86 84 83 82 77 72 68 63 830614T 86 84 83 82 77 72 68 63 830714T 87 85 84 83 78 73 69 64 840814T 88 86 85 84 79 74 70 65 850914T 89 87 86 85 80 75 71 66 861014T 90 88 87 86 81 76 72 67 871114T 90 88 87 86 81 76 72 67 871214T


20001000 500 250125 63 80004000

Total sound level



54 52 51 50 45 40 36 31 510614T 54 52 51 50 45 40 36 31 510714T 55 53 52 51 46 41 37 32 520814T 56 54 53 52 47 42 38 33 530914T 57 55 54 53 48 43 39 34 541014T 58 56 55 54 49 44 40 35 551114T 58 56 55 54 49 44 40 35 551214T

17.5 NX /SL-CA Full load sound level

Working conditions


Working conditions


NX_0614T_1214T_201107_EN HFC 410A41

NX


Total sound level


SOUND POWER

85 83 82 81 76 71 67 62 820614T 86 84 83 82 77 72 68 63 830714T 86 84 83 82 77 72 68 63 830814T 87 85 84 83 78 73 69 64 840914T 87 85 84 83 78 73 69 64 841014T 89 87 86 85 80 75 71 66 861114T 89 87 86 85 80 75 71 66 861214T


20001000 500 250125 63 80004000

Total sound level



53 51 50 49 44 39 35 30 500614T 54 52 51 50 45 40 36 31 510714T 54 52 51 50 45 40 36 31 510814T 55 53 52 51 46 41 37 32 520914T 55 53 52 51 46 41 37 32 521014T 57 55 54 53 48 43 39 34 541114T 57 55 54 53 48 43 39 34 541214T

17.6 NX /SL-K Full load sound level

Working conditions


Working conditions


42NX_0614T_1214T_201107_EN HFC 410A

NX

18 DIMENSIONAL DRAWINGS

21

B

H

B

SP

AZ

IO D

I R

ISP

ET

TO

MIN

IMU

M C

LE

AR

AN

CE

BA

SE

D'A

PP

OG

GIO

-S

UP

PO

RT

ING

BA

SE

ME

NT

A

LIF

TIN

GS

OLL

EVA

ME

NTO

12

3

- E

NT

RAT

A A

RIA

- AIR

OU

TLE

T-

US

CIT

A A

RIA

- AIR

INLE

T

- CE

NTE

R O

F G

RAV

ITY

- B

AR

ICE

NT

RO

- EVA

PO

RAT

OR

WAT

ER

INLE

T-

EN

TR

ATA

AC

QU

A E

VAP

OR

ATO

RE

1

- EVA

PO

RAT

OR

WAT

ER

OU

TLE

T-

US

CIT

A A

CQ

UA

EVA

PO

RAT

OR

E2

- PO

WE

R IN

LET

- IN

GR

ES

SO

LIN

EA

ELE

TT

RIC

A3 Sol

o pe

r ve

rsio

ne N

X/D

- DE

SU

PE

RH

EAT

ER

S W

ATE

R IN

LET

- E

NT

RAT

A A

CQ

UA

DE

SU

RR

ISC

ALD

ATO

RI

4

- DE

SU

PE

RH

EAT

ER

S W

ATE

R O

UTL

ET

- U

SC

ITA

AC

QU

A D

ES

UR

RIS

CA

LDAT

OR

I5

21

21

WIT

HO

UT

HY

DR

ON

IC K

ITS

EN

ZA

KIT

IDR

ON

ICO

WIT

H 1

-2 P

UM

PS

CO

N 1

-2 P

OM

PE

WIT

H P

UM

PS

and

STO

RA

GE

TA

NK

CO

N P

OM

PE

e A

CC

UM

ULO

45

45

45

R2 R1

R3

R4

SP

AZ

IO D

I R

ISP

ET

TO

MIN

IMU

M C

LE

AR

AN

CE

NX_0614T_1214T_201107_EN HFC 410A43

NX

SIZE DIMENSIONS AND WEIGTH CLEARANCEPLANT SIDE COLD AUXILIARY SIDE

HEAT EXCHANGER HEAT EXCHANGER

A B H PESO R1 R2 R3 R4 IN/OUT IN/OUT

[mm] [mm] [mm] [kg] [mm] [mm] [mm] [mm] TIPO Ø TIPO Ø

NX /CA 0614T 3160 2250 2170 1700 1500 2300 1500 1500 VICTAULIC 3" - -

NX /CA 0714T 4335 2250 2170 2150 1500 2300 1500 1500 VICTAULIC 3" - -

NX /CA 0814T 4335 2250 2170 2160 1500 2300 1500 1500 VICTAULIC 3" - -

NX /CA 0914T 4335 2250 2170 2290 1500 2300 1500 1500 VICTAULIC 3" - -

NX /CA 1014T 4335 2250 2170 2550 1500 2300 1500 1500 VICTAULIC 4" - -

NX /CA 1114T 5510 2250 2170 2930 1500 2300 1500 1500 VICTAULIC 4" - -

NX /CA 1214T 5510 2250 2170 2950 1500 2300 1500 1500 VICTAULIC 4" - -

NX /K 0614T 3160 2250 2170 1650 1500 2300 1500 1500 VICTAULIC 3" - -

NX /K 0714T 3160 2250 2170 1810 1500 2300 1500 1500 VICTAULIC 3" - -

NX /K 0814T 3160 2250 2170 1820 1500 2300 1500 1500 VICTAULIC 3" - -

NX /K 0914T 3160 2250 2170 1950 1500 2300 1500 1500 VICTAULIC 3" - -

NX /K 1014T 4335 2250 2170 2340 1500 2300 1500 1500 VICTAULIC 3" - -

NX /K 1114T 4335 2250 2170 2530 1500 2300 1500 1500 VICTAULIC 4" - -

NX /K 1214T 4335 2250 2170 2550 1500 2300 1500 1500 VICTAULIC 4" - -

NX /LN-CA 0614T 3160 2250 2170 1700 1500 2300 1500 1500 VICTAULIC 3" - -







NX /LN-K 0614T 3160 2250 2170 1700 1500 2300 1500 1500 VICTAULIC 3" - -







NX /SL-CA 0614T 4335 2250 2170 1980 1500 2300 1500 1500 VICTAULIC 3" - -







NX /SL-K 0614T 3160 2250 2170 1700 1500 2300 1500 1500 VICTAULIC 3" - -







VICTAULIC fittings complete with threaded male stubs on thesystem side of the cooling heat exchanger and auxiliary heatexchanger (see the drawing showing composition of the fittingskit).

44NX_0614T_1214T_201107_EN HFC 410A

NX

SIZE DIMENSIONS AND WEIGTH CLEARANCEPLANT SIDE COLD AUXILIARY SIDE

HEAT EXCHANGER HEAT EXCHANGER

A B H PESO R1 R2 R3 R4 IN/OUT IN/OUT

[mm] [mm] [mm] [kg] [mm] [mm] [mm] [mm] TIPO Ø TIPO Ø

NX /D /CA 0614T 3160 2250 2170 1700 1500 2300 1500 1500 VICTAULIC 3" VICTAULIC 1" 1/2







NX /D /K 0614T 3160 2250 2170 1650 1500 2300 1500 1500 VICTAULIC 3" VICTAULIC 1" 1/2

NX /D /K 0714T 3160 2250 2170 1810 1500 2300 1500 1500 VICTAULIC 3" VICTAULIC 1” 1/2






NX /D /LN-CA 0614T 3160 2250 2170 1700 1500 2300 1500 1500 VICTAULIC 3" VICTAULIC 1” 1/2







NX /D /LN-K 0614T 3160 2250 2170 1700 1500 2300 1500 1500 VICTAULIC 3" VICTAULIC 1” 1/2







NX /D /SL-CA 0614T 4335 2250 2170 1980 1500 2300 1500 1500 VICTAULIC 3" VICTAULIC 1” 1/2



NX /D /SL-CA 0914T 5510 2250 2170 2610 1500 2300 1500 1500 VICTAULIC 3" VICTAULIC 1" 1/2




NX /D /SL-K 0614T 3160 2250 2170 1700 1500 2300 1500 1500 VICTAULIC 3" VICTAULIC 1" 1/2







VICTAULIC fittings complete with threaded male stubs on thesystem side of the cooling heat exchanger and auxiliary heatexchanger (see the drawing showing composition of the fittingskit).

NX_0614T_1214T_201107_EN HFC 410A45

NX

LEGEND OF PIPE CONNECTIONS

UNI ISO 228/1 Filettature di tubazioni per accoppiamento non a tenuta sul filetto - Designazione, dimensioni e tolleranze Terminologia adottata: G: Filettatura di tubazioni per accoppiamento non a tenuta sul filetto A: Classe più ristretta di tolleranza della fi lettatura esterna di tubazioni per accoppiamenti non a tenuta sul filetto B: Classe più ampia di tolleranza della fi lettatura esterna di tubazioni per accoppiamenti non a tenuta sul filetto Filettature interne: Lettera G seguita dalla sigla della fi lettatura (una sola classe di tolleranza) Filettature esterne: Lettera G seguita dalla sigla della fi lettatura e dalla lettera A per le fi lettature esterne di classe A, o dalla lettera B per le filettature esterne di classe B. UNI ISO 7/1 Filettature di tubazioni per accoppiamento a tenuta sul filetto - Designazione, dimensioni e tolleranze Terminologia adottata: Rp: Filettatura interna cilindrica (parallela) per accoppiamento a tenuta sul fi letto Rc: Filettatura interna conica per accoppiamento a tenuta sul filetto R: Filettatura esterna conica per accoppiamento a tenuta sul filetto Filettature interne cilindriche: Lettera R seguita dalla lettera p Filettature interne coniche: Lettera R seguita dalla lettera c Filettature esterne coniche: Lettera R

UNI ISO 7/1 - Rp 1 1/2

UNI ISO 7/1 - Rp 2 1/2

UNI ISO 7/1 - Rp 3

UNI ISO 228/1 - G 4 B

DN 80 PN 16

UNI ISO 7/1 - R 3

Designazione Descrizione Filettatura interna cilindrica per accoppiamento a tenuta sul filetto, definita dalla norma UNI ISO 7/1 ø convenzionale: 1 1/2”

Filettatura interna cilindrica per accoppiamento a tenuta sul filetto, definita dalla norma UNI ISO 7/1 ø convenzionale: 2 1/2”

Filettatura interna cilindrica per accoppiamento a tenuta sul fi letto, definita dalla norma UNI ISO 7/1 ø convenzionale: 3”

Filettatura esterna conica per accoppiamento a tenuta sul filetto, definita dalla norma UNI ISO 7/1 ø convenzionale: 3”

Filettatura esterna cilindrica per accoppiamento non a tenuta sul filetto, definita dalla norma UNI ISO 228/1 Classe B di tolleranza per la filettatura esterna ø convenzionale: 4”

Diametro nominale flangia: 80 mm Pressione nominale: 16 bar

UNI ISO 7/1 UNI ISO 228/1

1"1"

2.309 mm2.309 mm

33.249 mm33.249 mm

30.291 mm30.291 mm

1.479 mm1.479 mm

Note: Il valore del diametro convenzionale [in pollici] identifica la designazione abbreviata della filettatura in base alla norma di riferimento. Tutti i valori corrispondenti sono definiti dalle norme. A titolo di esempio si portano alcuni valori:

ø convenzionale

Passo

ø esterno

ø nocciolo

Profondità filetto

Topqualität mit Spitzenservice

Grüezi, ich bin einer der über 40 Servicetechniker der CTA.

So sind sie, die «Botschafter» der CTA: freundlich und kom-petent. Immer da, wenn Sie sie brauchen. 24 Stunden, rund um die Uhr. Mit Servicestellen und über 40 Fahrzeugen in der ganzen Schweiz. Ein gutes Gefühl für die Kunden und für die Installateure, die sich in jedem Fall auf Unterstützung, Service und Support verlassen können.

Zu den Stärken in Planung, Produktion und Montage kom-men die Stärken in Service und Dienstleistungen, in Lager-haltung und Logistik, in Aus- und Weiterbildung. Sie sind es, die die CTA zu einem zuverlässigen Partner machen.

Aber CTA geht noch weiter: Mit wertvollen Zusatzleistungen wie zum Beispiel dem Support im Bereich der ChemRRV oder dem auf 12 Jahre angelegten Schutz- und Sicherheitsprogramm CTAplus für Wärmepumpen.

Solothurn

Münsingen

Kriens

Zürich

Buchs

Hauptsitz

Niederlassung

Geschäftsstellen

Servicestellen

Fribourg

Lausanne

BaselUzwil

Ce

rtified System

I S O 9 0 0 1

Ce

rtified System

I S O 1 4 0 0 1

www.cta.ch [email protected]

Freiburg CTA AGRoute André Piller 20 CH-1762 GivisiezTelefon +41 (0)26 475 55 90Fax +41 (0)26 475 55 91

Kriens CTA AG Grabenhofstrasse 6 CH-6010 KriensTelefon +41 (0)41 348 09 90 Fax +41 (0)41 348 09 95

Bern CTA AGHunzikenstrasse 2 CH-3110 MünsingenTelefon +41 (0)31 720 10 00Fax +41 (0)31 720 10 50

Uzwil CTA AGBahnhofstrasse 111 CH-9240 UzwilTelefon +41 (0)71 951 40 30Fax +41 (0)71 951 40 50

Solothurn CTA AGBernstrasse 1 CH-4573 Lohn-AmmannseggTelefon +41 (0)32 677 04 50Fax +41 (0)32 677 04 51

Zürich CTA AGAlbisriederstrasse 232 CH-8047 ZürichTelefon +41 (0)44 405 40 00 Fax +41 (0)44 405 40 50

Buchs CTA AGLangäulistrasse 35 CH-9470 BuchsTelefon +41 (0)81 740 36 40Fax +41 (0)81 740 36 41

Basel CTA AG Grabenackerstrasse 15 CH-4142 MünchensteinTelefon +41 (0)61 413 70 70 Fax +41 (0)61 413 70 79

Lausanne CTA AG En Budron B2 CH-1052 Le Mont s/LausanneTelefon +41 (0)21 654 99 00 Fax +41 (0)21 654 99 02

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