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4,5 ÷ 22,5 kW

Air-conditioned server-racks for direct installation into the room

technicalcatalogueT_CLSEVO_0113_GB

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2 RC GROUP S.p.A. ● T_CLSBOX_0113_ GB ● R410A

INDEX

HIGHLIGHTS ............................................................................................................................... 3

PLANT TYPE ............................................................................................................................... 3

GENERAL CHARACTERISTICS ................................................................................................. 5

SERIES IDENTIFICATION........................................................................................................... 5

MODEL IDENTIFICATION ............................................................ ............................................... 6

WORKING LIMITS ....................................................................................................................... 6

POSSIBLE CONFIGURATION .................................................................................................... 7

COOLSIDE BOX – AIR CONDITIONER - COMPONENTS ......................................................... 8

COOLSIDE BOX – AIR CONDITIONER - OPTIONAL ACCESSORIES ..................................... 9

COOLSIDE BOX – SERVER RACK - COMPONENTS ........................................................... .... 9

COOLSIDE BOX – SERVER RACK - OPTIONAL ACCESSORIES ........................................... 9

MCAI MOTOCONDENSING UNIT - COMPONENTS .............................................................. .. 10

MCAI MOTOCONDENSING UNIT - OPTIONAL ACCESSORIES ............................................. 11

TECHNICAL DATA - COOLSIDE BOX 010 – DIRECT EXPANSION ........................................ 12

ACOUSTIC DATA - COOLSIDE BOX 010 – DIRECT EXPANSION .......................................... 12

TECHNICAL DATA - COOLSIDE BOX 020 – DIRECT EXPANSION ........................................ 13

ACOUSTIC DATA - COOLSIDE BOX 020 – DIRECT EXPANSION .......................................... 13

TECHNICAL DATA - MCAI OUTDOOR MOTOCONDENSING UNIT ........................................ 14

ACOUSTIC DATA - MCAI OUTDOOR MOTOCONDENSING UNIT ............................ ............. 14

CONDENSATE DISCHARGE PUMP ................................................................. ........................ 15

MICROPROCESSOR CONTROL SYSTEM .............................................................................. 16

ELECTRIC DATA ............................................................... ........................................................ 18

OPTIONAL ACCESSORIES – LOW AMBIENT TEMPERATURE START-UP SYSTEM ........... 19

UNIT DRAWINGS ...................................................................................................................... 20

REFRIGERANT CONNECTION LIMITS ............................................................ ........................ 23

TYPICAL INSTALLATION DIAGRAMS FOR COOLSIDE BOX MACHINES WITH REMOTE AIR COOLED MOTOCONDENSING ......................................................................................... 24

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3RC GROUP S.p.A. ● T_CLSBOX_0113_ IT ● R410A

HIGHLIGHTSCOOLSIDE BOX is a “close-loop” system (direct cooling system) where the air conditioneddirectly flows into the server-rack.On request is possible to arrange the machine for the cooling system for rows of racks(hot/cold aisle).

COOLSIDE BOX is a split system consisting of an outdoor motocondensing unit equipped

with inverter driven variable speed compressor and of an indoor evaporating unit suppliedtogether with the server-rack designed to house electronic equipment.

COOLSIDE BOX is able to dissipate thermal load from 4 up to 22kW; the modularity of thesystem together with the logic of adaptive microprocessor control, make this new RCGroupsystem the best solution for cooling electronic equipment of new generation, characterized byhigh heat density.

COOLSIDE BOX is available in direct expansion (DX) version equipped with an invertercontrolled hermetic Twin Rotary or Scroll compressors, which reduces power consumption inreal time adjusting to the real plant thermal load.

The maintenance of the machines is as simple as possible thanks to the completelyremovable panels and complete access.

PLANT TYPEDIRECT COOLING SYSTEM (CLOSE LOOP)COOLSIDE BOX sucks hot air directly from the rear side of the racks, and, once cooled,enters it in the front side of the rack.Thanks to the "closed" cooling system the electronic equipment contained in racks do notrequire fans for air circulation.

COOLSIDE

SERVER RACK

UNIT FRONT

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ON REQUEST - COOLING SYSTEM FOR ROWS OF RACKS (hot / cold aisle)COOLSIDE BOX units are placed in rows that are arranged so as to obtain alternate cold andhot aisles.Electronic equipments contained in racks independently provide to aspire the necessary airfor cooling.

- In the hot aisle rack expels the hot air used to cool the electronic components whileCOOLSIDE BOX draws the hot air to be cooled.

- In the cold aisle COOLSIDE BOX blow the filtered and cooled air while the rackdraws cold air to cool the electronic components.

COOLSIDESERVER RACK

UNIT FRONT

COLD AISLE

HOT AISLE

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GENERAL CHARACTERISTICSCOOLSIDE BOX: Air conditioned server-racks for direct installation into the room.

The machines are made for indoor installation (indoor unit) and outdoor installation(motocondensing unit).

The constructive solutions and the internal la lay-out allow high application flexibility and the easy

access to the main components for the inspection and routine maintenance.

Machines supply fully assembled with refrigerant charge and control systems. The installationrequires electrical and hydraulic /refrigerant connections only allowing high costs and timereduction.

Final assembly on all machines before shipment including running test, reading and monitoringof operating parameters, alarms simulation and visual check.

Design, assembly and test as per the Company Quality Assurance program in full compliancewith ISO 9001. RC Group has been the first Italian company in its segment to get the ISO 9001in October 13

th, 1991 with certificate ICIM 0018.

The machines are in full compliance with European Norms 2006/42CE, 2006/95CE,

2004/108CE, 97/23CE and subsequent amendments.

SERIES IDENTIFICATION

COOLSIDE BOX - Indoor units

Air-conditioned server-rack with evaporating unit equipped with Plug-fan with EC motor.

Model 010 –Cooling capacity: 4,5 ÷ 11,1 kWModel 020 –Cooling capacity: 10,0 ÷ 22,5 kW

MCAI – Outdoor motocondensing units

MCAI - Air cooled motocondensing unit, for outdoor installation, with all-aluminiummicrochannel condensing coil, inverter driven fully hermetic compressor (Twin Rotary type formodel M10 and Scroll type for model T20 and axial fans with EC motors.Horizontal air suction and discharge.

MCAI 10 nominal cooling capacity: 10 kWMCAI 20 nominal cooling capacity: 20 kW

MCAI 10 MCAI 20

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MODEL IDENTIFICATION

Indoor units

COOLSIDE BOX 020

020 Nominal cooling capacity (kW)

Motocondensing unit

MCAI 20

MCAI Air cooled motocondensing unit for outdoor installation 20 Nominal cooling capacity (kW)

WORKING LIMITS

INDOOR UNITRoom air temperature:14°C minimum temperature with wet bulb26°C minimum temperature with wet bulb.40°C maximum temperature with dry bulb.

Room air humidity:20%rH minimum relative humidity.70%rH maximum relative humidity.

OUTDOOR UNIT - AIR COOLED MOTOCONDENSING UNIT Ambient air temperature:

-30°C minimum temperature45°C maximum temperature.

STORING TEMPERATURE

If the machine is not installed on receipt and is stored for a long time, store it in a protectedplace, at temperatures ranging between -30°C and 50°C in absence of superficialcondensation and direct sun light.

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POSSIBLE CONFIGURATIONCOOLSIDE BOX system allows following configuration:

Direct expansion DX system

010MCAI 10

MONO SPLIT

020MCAI 20

MONO SPLIT

2 x 010MCAI 20

MULTI SPLIT

CLOSE LOOP SYSTEM

HOT / COLD AISLE SYSTEM – ON REQUEST

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COOLSIDE BOX – Air conditioner - COMPONENTSFRAMEWORK

Framework in galvanized steel sheet externally painted with epoxy powders.

Panels in galvanized steel sheet externally painted with epoxy powders and internallyinsulated with noise absorption material.

Access doors. The doors are equipped with handle with security lock.- Front and back doors in galvanized steel sheet.

Colour:- Similar to RAL7015.

FILTER SECTION

Washable air filters with G2 efficiency, with cells in synthetic fibre, on air suctionpanel.

Differential pressure switch on the air side for clogged filters signal.

EVAPORATING SECTION

Heat exchanger coil with internally corrugated copper tubes and high efficiencyaluminium fins, specifically developed to provide high heat transfer and lowerpressure drops.

Frame in aluminium.

Condensate tray in peralluman.

FANS SECTION

Centrifugal fans with backward curved blades, single suction and without scrollhousings (Plug-fans), directly coupled to brushless type synchronous EC motor withintegrated electronic commutated system and continuous variation of the rotationspeed. The motor rotation control is obtained with the EC system (ElectronicCommutation) that manage the motor according to the 0÷10V proportional signalcoming from the microprocessor control.

Fans quick installation system for a fast replacement.

#2 temperature sensors on air delivery.

Temperature sensors on air intake.

Current detector for loss of air flow alarm.

REFRIGERANT CIRCUIT

Electronic expansion valve.

Refrigerant pressure transducer for expansion valve.

Refrigerant temperature sensor for expansion valve.

Filter dryer on liquid line.

Refrigerant circuit with copper tubing with anticondensate insulation.

Rotalock valves on liquid and suction line placed on bottom side of the unit forcoupling to remote motocondensing unit.

R 410A refrigerant charge.

ELECTRICAL PANELExtractable electrical panel, in accordance with EN60204-1 norms, complete with:

Power supply with 10A plugs.

Magnetothermic switch on power supply

Terminals for external enabling, smoke/fire alarm, general alarm and LANconnection.

Power supply: 230/1/50.

CONTROL SYSTEM

Microprocessor system with graphic display for control and monitor of operating andalarms status. The system includes:- Voltage free contact for remote general alarm.- Main components hour-meter.- Non-volatile “Flash” memory for data storage. - Menu with protection password.- LAN connection.

WARNINGIt is necessary to provide the refrigerant charge for the connection pipes to the remotemotocondensing unit.

http://www.ebmpapst.com/en/products/centrifugal-fans/centrifugal_fans.html

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http://www.ebmpapst.com/en/products/centrifugal-fans/centrifugal_fans.html

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COOLSIDE BOX – Air conditioner - OPTIONAL ACCESSORIESCondensate drain system that includes pump with activation float, 4 linear meterslong discharge pipe and high water level alarm.

Floor water presence alarm through sensor to be placed on the f loor.

Additional underfloor water sensor kit.

Timed stop of the unit. The accessory includes a button that allows the temporaryshutdown of the unit (for example for quick maintenance / setting on the equipmentcontained in racks) and automatic restart after 15 minutes. A further press of thebutton allows the immediately restart of the unit.

Refrigerant connection on the upper side of the unit.

Ultrasonic humidifier with combined temperature / humidity sensor on unit air intake.

Double power supply (230/1/50 network + 230/1/50 UPS).

Hot / Cold Aisle system: Access doors. The doors are equipped with handle with security lock.- Front door in galvanized steel sheet with honeycomb grille for air suction- Back door in galvanized steel sheet with honeycomb grille for air discharge

COOLSIDE BOX – Server Rack - COMPONENTSFRAMEWORK

The rack is a 19” standard type (482,6 mm) - 42U (1,75 inch = 44,45 mm) ingalvanized steel sheet externally painted with epoxy powders.

Galvanized steel sheet panels externally painted with epoxy powders and internallyinsulated with noise absorption material.

Colour:- Similar to RAL7015.

The server - rack is in compliance with IEC 60 297-1/2 norms

Maximum load capacity for internal installation 1000 kg.

Access doors. The doors are equipped with handle with security lock.

- Front door is made of safety glass that allows direct control of the internalequipment- Back door in galvanized steel sheet

COOLSIDE BOX – Server Rack - OPTIONAL ACCESSORIESBus bar with maximum load of 96 A (7 modules 2 x 3 x 16A) and power supply cord.

Hot / Cold Aisle system: Access doors. The doors are equipped with handle with security lock.- Front door in galvanized steel sheet with honeycomb grille for air suction- Back door in galvanized steel sheet with honeycomb grille for air discharge

WARNINGRC GROUP reserves the right to accept the matching of the optional installed on themachine.

The accessories referred to as "Kit" does not come installed on the unit. The assemblyis at Customer care.

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MCAI MOTOCONDENSING UNIT - COMPONENTSFRAMEWORK

Base, self supporting frame and panelling in steel plate with protective surfacestreatment in compliance with UNI ISO 9227/ASTMB117 and ISO 7253, and paintedwith epoxy powders.

Colour: RAL 9002

COMPRESSORMotocondensing unit model MCAI 10:

Twin rotary hermetic compressors “DC inverter” type optimized for R410A refrigerant. Motocondensing unit models MCAI 20:

Orbiting spiral (SCROLL) hermetic compressors “DC inverter” type with spiral profileoptimized for R410A refrigerant.

Common characteristics:

Inverter driven brushless type electric motor.

Modulating capacity control.

Crankcase heater.

Terminal box with IP54 enclosure class.

Rubber supports.

CONDENSING COIL

All-aluminium microchannel heat exchanger coil, specifically developed to providehigh heat transfer and lower pressure drops.Moreover microchannel technology reduces the weight of the component and therefrigerant charge.

FANS SECTION

Axial fans with sickle-shaped blades, fan guard and optimized for low noise levels.

Brushless type synchronous EC motor with integrated electronic commutated systemand continuous variation of the rotation speed. The motor rotation control is obtainedwith the EC system (Electronic Commutation) that manage the motor according tothe 0÷10V proportional signal coming from the microprocessor control.

IP54 enclosure class.

REFRIGERANT CIRCUIT

Liquid separator on suction line.

Oil separator on delivery line with oil recovery capillary hose.

Check valve on gas delivery.

Liquid receiver.

Filter dryer on liquid line.

Sight glass.

Pressure transducers with indication, control and protection functions, on low andhigh refrigerant pressure.

High pressure safety switch with manual reset.

Refrigerant circuit with copper tubing with anticondensate insulation of the suctionline.

Rotalock valves for coupling to indoor units:- MCAI 10: Rotalock valves for connection to 1 indoor unit

- MCAI 20: Rotalock valves for connection to 2 indoor unitsR410A refrigerant charge.

ELECTRICAL PANELIn accordance with EN60204-1 norms, suitable for outdoor installation, IP54 enclosure class,complete with:

Main switch with door lock safety

Inverter to drive the compressor motor.

Magnetothermic switch for fans motor protection

Magnetothermic switch for inverter protection

Transformer for auxiliary circuit and microprocessor supply.

Terminals for external enabling and smoke/fire alarm.

RJ45 connector for microprocessor terminal connection (the microprocessor terminalis not installed on the unit).

Power supply:- 230/1/50 for model MCAI 10- 400/3/50+N for models MCAI 20

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CONTROL SYSTEM

Microprocessor system with graphic display for control and monitor of operating andalarms status. The system includes:- Voltage free contact for remote general alarm.- Main components hour-meter.- Non-volatile “Flash” memory for data storage.- Menu with protection password.

- LAN connection.

MCAI MOTOCONDENSING UNIT - OPTIONAL ACCESSORIESThe descriptions of these additional components can be found in Chapter OPTIONAL

ACCESSORIES.

Low ambient temperature start-up system.

OTHER OPTIONAL ACCESSORIES

Double power supply MCAI 10 (230/1/50 network + 230/1/50 UPS)

Double power supply MCAI 20 (400/3/50+N network + 400/3/50+N UPS)

MP.COM microprocessor control accessories:- Serial port RCcom, MBUS/JBUS.- Serial port BACnet for Ethernet – SNMP – TCP/IP.

- Serial port BACnet for MS/TP.

WARNINGRC GROUP reserves the right to accept the matching of the optional installed on themachine.

The accessories referred to as "Kit" does not come installed on the unit. The assemblyis at Customer care.

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TECHNICAL DATA - COOLSIDE BOX 010 – direct expansion

MODEL 010

Nominal Reduced Medium Maximum

COOLING CAPACITY (1)

Total kW 10,0 4,5 8,1 11,1

Sensible kW 10,0 4,5 8,1 11,1FANS n. 3 3 3 3

Total air flow rate m3/h 2800 1300 2100 2900

External static pressure Pa 0 0 0 0

Power input kW 0,245 0,023 0,100 0,255

Absorbed current A 1,94 0,18 0,79 2,02

Plate power input kW 0,280 0,280 0,280 0,280

Plate current [FLA] A 2,20 2,20 2,20 2,20

AIR FILTERS n. 1

Efficiency G2

REFRIGERANT R410A

Evaporating coil content l 2

Gas circuits n. 1

POWER SUPPLY V/Ph/Hz 230/1/50SOUND PRESSURE LEVEL (2)

Irradiated dB(A) 60,9 44,3 54,5 61,6

DIMENSIONS

Length mm 900

Width mm 1000

Height mm 2020

NET WEIGHT kg 210

REFRIGERANT CONNECTIONS

Liquid line ODS Ø 12

Suction line ODS Ø 16

HYDRAULIC CONNECTIONS

Condensate discharge (3) F Ø mm 6

THE COOLING CAPACITY DOES NOT CONSIDER THE SUPPLY FANS MOTOR THERMALLOAD

1. Characteristics referred to entering air at 35°C d.b. (20.1°C w.b.) - unit coupled to a MCAI 10motocondensing unit operating at nominal conditions with equivalent length of refrigerantpipes connecting 3m.

2. Sound pressure level at 1 meter in free field (ISO EN 3744).3. Rubber pipe. Inside diameter.

ACOUSTIC DATA - COOLSIDE BOX 010 –

direct expansion

SOUND LEVEL IN OCTAVE BAND (Hz) (1) Total

63 125 250 500 1000 2000 4000 8000 dB(A)

67,5 67,8 63,0 58,8 53,4 50,6 45,7 39,4 60,9

1. Sound pressure level at 1 meter in free field (ISO EN 3744) with nominal air flow rate.

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TECHNICAL DATA - COOLSIDE BOX 020 – direct expansion

MODEL 020

Nominal Reduced Medium Maximum

COOLING CAPACITY (1)

Total kW 20,0 10,0 15,0 22,5

Sensible kW 20,0 10,0 15,0 22,5FANS n. 5 5 5 5

Total air flow rate m3/h 4700 2200 3500 4850

External static pressure Pa 0 0 0 0

Power input kW 0,386 0,04 0,159 0,419

Absorbed current A 2,92 0,30 1,20 3,16

Plate power input kW 0,455 0,455 0,455 0,455

Plate current [FLA] A 3,55 3,55 3,55 3,55

AIR FILTERS n. 1

Efficiency G2

REFRIGERANT R410A

Evaporating coil content l 2,8

Gas circuits n. 1

POWER SUPPLY V/Ph/Hz 230/1/50SOUND PRESSURE LEVEL (2)

Irradiated dB(A) 63,1 46,6 56,7 63,7

DIMENSIONS

Length mm 900

Width mm 1200

Height mm 2020

NET WEIGHT kg 232


Liquid line ODS Ø 12

Suction line ODS Ø 22

HYDRAULIC CONNECTIONS

Condensate discharge (3) F Ø mm 6

THE COOLING CAPACITY DOES NOT CONSIDER THE SUPPLY FANS MOTOR THERMALLOAD

1. Characteristics referred to entering air at 35°C d.b. (20.1°C w.b.) - unit coupled to a MCAI 20motocondensing unit operating at nominal conditions with equivalent length of refrigerantpipes connecting 3m.

2. Sound pressure level at 1 meter in free field (ISO EN 3744).3. Rubber pipe. Inside diameter.

ACOUSTIC DATA - COOLSIDE BOX 020 –

direct expansion

SOUND LEVEL IN OCTAVE BAND (Hz) (1) Total

63 125 250 500 1000 2000 4000 8000 dB(A)

69,7 70,0 65,2 61,0 55,6 52,8 47,9 41,6 63,1

1. Sound pressure level at 1 meter in free field (ISO EN 3744) with nominal air flow rate.

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TECHNICAL DATA - MCAI OUTDOOR MOTOCONDENSING UNIT

MODEL MCAI 10 MCAI 20

COOLING CAPACITY (1) kW 10,0 20,0

Power input kW 1,97 4,98

Absorbed current [OA] A 9,5 8,0

COMPRESSOR Twin Rotary ScrollQuantity n. 1 1

Maximum current A 22,0 16,2

Modulating power control % 30÷100 30÷100

AXIAL FANS n. 1 2

Total air flow rate m³/h 5500 11000

Power input kW 0,28 0,58

Absorbed current A 1,8 3,59

Plate power input kW 0,325 0,65

Plate current A 2,1 4,2

REFRIGERANT R410A R410A

Total refrigerant charge (2) kg 3,5 5

Gas circuit n. 1 1

POWER SUPPLY V/Ph/Hz 230/1/50 400/3/50+NENERGY EFFICIENCY INDEX

EER - Energy Efficiency Ratio kW/kW 3,80 3,30

SOUND LEVEL

Sound power level [Lw] (4) dB(A) 87,9 89,2

Sound pressure level [Lp] 1 meter far (3) dB(A) 71,8 73,4

Sound pressure level [Lp] 5 meters far (3) dB(A) 61,7 63,1

Sound pressure level [Lp] 10 meters far (3) dB(A) 56,4 57,7

DIMENSIONS

Length mm 450 450

Width mm 1050 1050

Height mm 900 1395

NET WEIGHT kg 108 200


Liquid line n x ODS Ø 1 x 12 2 x 12

Suction line n x ODS Ø 1 x 16 2 x 22

1. Characteristics referred to ambient temperature at 35°C with indoor units operating atnominal conditions with equivalent length of refrigerant pipes connecting 3m for each unit.

2. Unit refrigerant charge, connection pipes excluded.3. Sound power level [Lw] according to ISO EN 9614 - 24. Sound pressure level [Lp] 1 meter far according to ISO EN 3744

ACOUSTIC DATA - MCAI OUTDOOR MOTOCONDENSING UNITMCAI 10

SOUND LEVEL IN OCTAVE BAND (Hz) (1) Totale

63 125 250 500 1000 2000 4000 8000 dB(A)

68,3 67,6 65,8 68,8 66,0 62,0 56,2 47,2 71,8

MCAI 20

SOUND LEVEL IN OCTAVE BAND (Hz) (1) Totale

63 125 250 500 1000 2000 4000 8000 dB(A)

71,3 70,6 68,8 71,8 69,0 65,0 59,2 50,2 73,4

1. Sound pressure level at 1 meter in free field (ISO EN 3744)

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CONDENSATE DISCHARGE PUMP A plastic case contains the pump motor, the thermal protection with automatic reset, the floatwith the trigger threshold and alarm threshold overflow and hydraulic and electric connection.Together the pump 4 linear meters of rubber discharge tube is supplied.Wiring includes power supply and an alarm signal displayed on microprocessor.The condensate discharge pump operation is fully automatic.

TECHNICAL DATAPower supply 230.1.50Power input W 14Discharge pipe Ø mm 6x9Maximum water flow l/h 20Discharge head mH2O 14

(*) with water flow = 0 l/h

CONDENSATE DISCHARGE PUMP PERFORMANCE

Vertical discharge tube length Water flow rate (l/h)

0m 20

2m 16

4m 11,5

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MICROPROCESSOR CONTROL SYSTEM

Semi-graphic LCD display 132 x 64 pixel (text mode, 8 lines x 22 rows or 4 lines x 11 rows).By pressing any key the white backlight of display and keyboards is activated. The backlightturns off after 2 minutes with no additional digits.With alarm presence the key ALARM is backlit in red and at the same time an acoustic signalis activated.

1 Alarm

Stops the alarm acoustic signal and displays the alarms screen.By pressing "UP" or "DOWN" keys all the alarms that may bepresent will be displayed.The flashing red backlighting of the key indicates the presenceof an alarm

6 Prg Allows access to the scroll menu masks by pressing “UP” or“DOWN” keys. Selection confirmation by pressing “ENTER”key.

5 Esc Home key – displays the main screen.

2

4

UpDown

Scrolls the pages of each menu and allows the modification ofthe numeric and/or alphanumeric values of the control.

By pressing “UP” or “DOWN” key, from the main screen, theinformation screen of the installed software is displayed.

3 EnterShifts the cursor in the editable fields of the screen.Confirm the new value and leave the menu.

CONTRAST OF THE DISPLAYPress and hold down the keys ALARM + PRG and pulse keys UP and DOWN respectively toincrease or decrease the contrast of the display.

DISPLAY SYSTEM INFORMATIONPress simultaneously keys ALARM + ENTER for a few seconds to display the informationsystem (version BOOT, BIOS, memory capacity of the controller and data stored in "datalog".

REMOTE CONTROLS/ALARMSINLETS1 External enabling • 2 Smoke/Fire alarm •

OUTLETS1 General alarm 1 – programmable deviating contact •• 2 General alarm 2 – programmable deviating contact ••

• controls/alarms for remotization •• voltage free controls/alarms for remotization

1 2 3

456

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LAN NETWORK AND BMS CONNECTIVITY

COOLSIDE BOX + MCAI direct expansion system (mono-split or multi-split system)

The LAN network is used to connect external motocondensing unit to their internalevaporating units. It is not possible to carry out the LAN connection to the other system of theplant.

Each indoor unit is equipped with terminal having graphic display and keyboard. The externalmotocondensing unit is not equipped with terminal. All operating parameters are still visibleand can be set by each terminal of the indoor units.However, there is a RJ45 socket on the condensing unit's electrical panel for connecting aterminal to the personnel of the service.Hardware interfaces for connection to building management systems (BMS) are optionalaccessories of the motocondensing unit and are installed in the electrical panel.

OPTIONAL ACCESSORIES

Mono-split system

BACnet:Ethernet – SNMP – TCP/IP

RCcom MBUS / JBUS

BACnet for MS / TP

Multi-split system

BACnet:Ethernet – SNMP – TCP/IP

RCcom MBUS / JBUS

BACnet for MS / TP

LAN

LANBMS

BMS

OPTIONAL ACCESSORIES

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ELECTRIC DATAMAXIMUM ELECTRIC ABSORPTION CALCULATION

This chapter is showing the maximum electrical absorption calculation of unit (A),corresponding to extreme working conditions.

The involved components are the following:COOLSIDE BOX indoor unit:

Supply fans electric motors

MCAI Outdoor motocondensing unit

Compressors electric motor

Condensers fans electric motors

The electrical data of the various components are indicated in the relative technical datasheets.

Calculation for system MCAI 20 coupled to 2 x COOLSIDE BOX 10 indoor units operation atnominal conditions:

MAXIMUM ELECTRIC ABSORPTION:

COOLSIDE BOX indoor unit:Supply fans motors for unit 1 A 3.55 +Supply fans motors for unit 2 A 3.55 =Maximum electric absorption A 7.10 (230/1/50)

MCAI 20 outdoor motocondensing unit:Compressor motor A 16.2 +Condenser fans A 4.2 =Maximum electric absorption A 20.4 (400/3./50+N)

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OPTIONAL ACCESSORIES – LOW AMBIENT TEMPERATURE START-UPSYSTEMThis optional is available for the MCAI motocondensing unit.The accessory is recommended in installations where the COOLSIDE BOX system isoperating in conditions of negative ambient air temperature between -5°C and -30°C. The system is entirely managed by the microprocessor control.

The system includes:Largest liquid receiver having thermal insulation.

Safety valve

Electric heater

Pressure transducer

Check valve

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UNIT DRAWINGSDimensions in mm

COOLSIDE BOX DX

For the drawings of the COOLSIDE BOX DX unit pleasecontact the RC GROUP commercial department.

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MOTOCONDENSING UNIT MCAI 10

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MOTOCONDENSING UNIT MCAI 20

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REFRIGERANT CONNECTION LIMITSCOOLSIDE

BOX direct expansion system with MCAI motocondensing unit.

MAXIMUM TOTAL EQUIVALENT LENGTH FOR REFRIGERANT PIPES

The total equivalent length of the pipes includes the liquid and suction line of allCOOLSIDE EVO units connected to the motocondensing unit:Mono-Split with MCAI 10 motocondensing unit = 25 metersMulti-Split with MCAI 20 motocondensing unit = 50 meters

REFRIGERANT CHARGE.

For longer refrigerant lines it is necessary to integrate the charge of the refrigerantcontained in the motocondensing unit.During the start-up phases, if necessary, provide to integrate the charge ofrefrigerant only.

VERTICAL REFRIGERANT CONNECTION: MAXIMUM

UNEVENNESS 15 METERS

- COOLSIDE BOX unit installed higher than the MCAI motocondensing unit:o No restriction for liquid line.o Suction line with slope of 2% to the motocondensing unit in order to

make easy the return of lubricating oil to the compressor.- COOLSIDE BOX unit installed lower than the MCAI motocondensing unit:

o No restriction for liquid line.o On suction line foresee a trap at the base of the vertical section and a

trap every 5 meters of vertical section of the pipe. Foresee a slope of 2% to the motocondensing unit in order to makeeasy the return of lubricating oil to the compressor

MULTI-SPLIT 2x

MAX 25m

MAX 25m

[25 + 25 =50]

MAX 25m

MONO-SPLIT 1x

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TYPICAL INSTALLATION DIAGRAMS FOR COOLSIDE BOX MACHINES WITHREMOTE AIR COOLED MOTOCONDENSING

WARNINGDuring the start-up phases verify the refrigerant charge and, if necessary, integrating

the charge for the connection pipes with the motocondensing unit.

1) MCAI outdoor motocondensing unit2) COOLSIDE BOX indoor evaporating unit3) Gas Suction line4) Liquid line

TYPICAL DIAGRAM FOR MONO DX SYSTEMFOR MULTI DX SYSTEM THIS DIAGRAM APPLIES TO EACH REFRIGERANT CIRCUIT OF THE UNIT.

8/10/2019 t Clsbox 0113 Gb



WARNINGDuring the start-up phases verify the refrigerant charge and, if necessary, integratingthe charge for the connection pipes with the motocondensing unit.

1) MCAI outdoor motocondensing unit2) COOLSIDE BOX indoor evaporating unit3) Gas Suction line4) Liquid line

5) Trap. Foresee a trap every 5m of the rising pipe

TYPICAL DIAGRAM FOR MONO DX SYSTEMFOR MULTI DX SYSTEM THIS DIAGRAM APPLIES TO EACH REFRIGERANT CIRCUIT OF THE UNIT.

8/10/2019 t Clsbox 0113 Gb



8/10/2019 t Clsbox 0113 Gb



8/10/2019 t Clsbox 0113 Gb


The continuous improvement of products may imply changes in the data shown in this catalogue.

RC GROUP S.p.A. • Via Roma, 5 • 27010 Valle Salimbene (PV), Italy www.rcgroup.it • Tel. +39 (0) 382 433 811 • Fax +39 (0) 382 587 148

T_CLSBOX_0113_GB

Date post:	02-Jun-2018
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t Clsbox 0113 Gb

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