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Flooded Water Cooled Screw Chiller
FOCSWATER.C Series
460-1690kW (130-500Tons)
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FOCSWATER.C Water cooled screw chiller
Multiple applications
Standard chilled water applied for HVAC system;
By adopting brine or glycol solution, the outlet temperature
of evaporator can be in the range of -8~12oC, either for ice
storage application or for industrial process purpose;
Heat recovery function is optional.
Safety of electrical devices
Inner structure of electrical cabinet, electrical components and
circuit layout are designed according to EN60204-1/IEC204-1
standard. Controlling power is separated from main power
by transformer so as to protect from impact and interfere
of electrical current. The power section uses a bar-type
distribution system and interlock-door mains isolator for safety
and reliability. Each load of compressor is equipped with its own
overload protector, fuse and contactor. Electric elements are
with features of excellent insulation, dust-proof and humidity
proof, and suitable for various inferior environments. Electrical
system of the unit is in compliance with EMC code.
Gaseous
refrigerant
Liquid
refrigerant
1
UNIT FEATURERS
Compressors
Semi-hermetic screw compressors specifically designed for
R134a & flooded evaporation application, featuring in high
efciency and energy saving.
Precisely manufacturing technology and least moving
component result in reliable performance and simple
maintenance.
The compresso r , w i t h i t s own capac i t y regu la t ing
electromagnet ic valve and sl ide valve together with
Climaveneta's micro-computer controlling system, can adjust
load output automatically according to the requirement of
processing, realize 10~100% stepless of precision variable
adjustment and reduce power consumption.
Dedicated Flooded Evaporator/
Condenser
Flooded evaporator/condenser
with integral rippled tube are
modied to enhance the initiation
of nucleate boiling sites and
surface area, improving turbulent
flow, resulting in increasingly
overall heat transfer coefficient
and high unit efciency.The evaporator is characterized
by low pressure drops on both
the gas side and the water side.
The level of refrigerant inside the
flooded evaporator is guaranteed by
dedicate sensor level and modulating electronic valve.
Single circuit design even for multiple compressor improves
unit part load efciency.
Chilled water inside tube make maintanence work convinient
and simple.
Maximum Reliability
Design, manufacturing, testing comply with the several
regulations such as AHRI, EN, UNI, JIS and Chinese standard
GB/T18430.1.
The built-in 3 stages oil separator and external efcient second
separator ensure the constant presence of oil inside. Besides,
unique device is designed by CLIMAVENETA dedicated to
guaranty oil return.
The unit has been charged with R134a and oil before shipped
out from factory, and tested and inspected strictly according
to UNI9218 standard. Only after water and electrical power
being connected on site, the unit can be put into production for
providing chilled water.
Optimized and Efcient PartsThe electronic valve is adopted to grant the ideal operation of the
evaporator in all conditions. The complete flooding of tubes is
granted with a sophisticated detection of the refrigerant level in the
heat exchangers. The fast processing of the acquired data allow a
quick, uctuation-free regulation, and therefore a highly accurate
adjustment to the swings of load and ambient conditions.
Economizer has been adopted to improve unit efciency.
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FOCSWATER.C Water cooled screw chiller
● Friendly interface
Fully computer-controlled with no necessity of person duty;
Objective user operational panel with multiple windows clearly
displaying parameters of different categories;
Graphical symbol inputting and displaying with convenient
operation;
Convenient adjusting and setting of data input through menu
and fast key combination.
● Control functions of the unit
The unit adopts W3000 intelligent microcomputer control
system with setting, adjusting and controlling functions, such
as: stepless regulation of cooling capacity; inlet/outlet chilled
water temperature regulation; Starting, unloading and stopping
functions of compressor; starting delay function of compressor;
time limiting function of each hour start of the compressor;
operation timing function of compressor; and running time
balance function of compressor.
● Protecting and alarming functions of unit
Self-test when power on to avoid running with problem.
Three lever password protection to prevent from mal-operation
of persons without authorization.Overload, overheat and overvoltage protection and alarming
of compressor; high discharge temperature protection and
alarming of compressor.
Water antifreeze protection, antifouling protection and alarming
of evaporator;
Protection and alarming of over high and low chilled water and cooling
water temperature; protection and alarming of low water ow;
Protection and alarming of low and high pressure of refrigeration
system, and alarming of refrigerant leakage.
● Fault processing function
Automatically functioning protection of acousto-optic alarming,
load reducing of compressor, stopping of compressor and
stopping of unit according to each fault grade. Automatically
identifying fault and instructing fault category.
Automatical ly recording fault with record capacity as much as
200 faults.
Black box function which automatically record on-site state and
all data of fatal fault for providing analyzing data.
Group Control Device
A group composed of var ious hydronic units permits better
management for the lowest running cost.
Coordinating the units for optimized operating times assumes
fundamental importance and provides signicant advantages in
terms of reliability (e.g. the compressors) while also permitting
energy savings and delivering water ows constantly at the right
temperature without uctuation.
Resources are always used according to the user 's
requirements without needless compressor cycles or power
absorption peaks. The unit pumps are intelligently managed.
The number of hours of operation is balanced for more efcient
maintenance.
Resource priority assignment gives precedence to the unit with
greater efficiency: such as chillers with free-cooling function.
The stand-by mode grants response to possible peaks in load.
The elevated characteristics offered by the serial interface
keypad are the highest currently available in the market.
Convenient application and maintenance
Fully computer controlling, menu displaying, self-checking
of unit, running, load adjusting and safety protection are all
completed by computer control system. Daily operation is onlyto switch on starter. Multiple refrigerating systems are available
for standby equipment. The unit is available of functions such
as fault protection, memorizing and alarming. All faults are
clearly displayed. Each return circuit has inspection valve with
"pump down" function which is convenient for repairing.
Gr2000 Gr3000
Latest Control System
2
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FOCSWATER.C Water cooled screw chiller
3
FWS3000 Field Web Server
Device for supervising Climaveneta units. Supervisiontakes place via a direct link with the computer or via
LAN: hence this option can also be managed through
internet resources thanks to the built-in webserver and
the availability of suitably dened graphical pages.
Thus the resulting supervision does not entail installing
any additional software on the computer and, moreover,
employs the most common types of browser; this means
any networked computer can be used.
√ Standard OPT Availableonrequest Par. Availablemodifyingavalueofthecongurationparameters
Microprocessor Microprocessor
Electronic control features
Mufti-language menu
Phase sequency relay
Cumulative fault alarm
Alarms log function
Black-Box function for alarm events
Programming of daily/weekly program
Evaporator inlet/outlet water temperature display
Compressor/circuit failure display
General unit alarms display
Quick Mind when stopped
Pump-down when stopped
Starting compressors sequency control
Management of the compressors working hours
Remote keyboard
W3000
√√
√
√
√
Par.
√
√
√
√
√
√
√
OPT
W3000
OPT
OPT
OPT
OPT
OPT
OPT
OPT
√
OPT
OPT
√
OPT
OPT
OPT
Local/Remote supervision through browser and FWS
Communication protocol
Metasys Johnson Controls communication gateway
Modbus communication protocol
Bacnet communication protocol
Interface connection to Lon Works network
Siemens communication gateway
Remote on/off with external volt-free contact
Double set-point by external contact
Set-point regulation from external signal (4-20 mA)
Continuous regulation of the compressors
Relay manage pump
Reduced load functioning from external contact
Connection to sequencier
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FOCSWATER.C Water cooled screw chiller
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F.L.I. Power input Electrical source: 380-3ph-50Hz
F.L.A. Current absorption Voltage tolerance: 10%
L.R.A. Locked rotor current for single compressor Maximum voltage unbalance: 3%
S.A. Starting current Safety values to be considered when cabling the unit for power supply and line-protections
Cooling capacity
Power input
Evaporator water ow
Evaporator water pressure drop
Condenser water ow
Condenser water pressure drop
Microprocessor
Number of compressors
Refrigerating circuit
Capacity regulating
Refrigerant charge
Oil charge
Unit Weight
Operating weight
Dimension
Length
Width
Height
1301C
459.9
82.5
79.2
48
93.1
55
1
1
97
35
2930
3080
2900
1170
1930
1651C
591.8
103.9
101.9
51
119.4
55
1
1
126
35
3090
3280
2930
1170
1990
2001C
691.2
121.0
119.0
50
139.4
56
1
1
143
35
3360
3580
2930
1205
2000
2501C
837.0
149.3
144.1
50
169.3
55
1
1
172
38
3690
3980
2980
1290
2200
3002C
1062.1
186.9
182.8
52
214.4
54
2
2
222
70
6020
6500
4430
1280
2240
3502C
1217.7
214.0
209.6
51
245.7
56
2
2
252
70
6490
7070
4430
1280
2260
4002C
1382.4
242.1
238.0
50
278.9
53
2
2
286
70
6660
7300
4430
1280
2260
4202C
1470.3
252.2
253.1
48
295.7
51
2
2
309
73
7050
7760
4565
1300
2400
4502C
1521.6
268.1
262.0
52
307.2
55
2
2
309
76
7110
7820
4640
1300
2400
5002C
1689.5
298.7
290.1
53
341.3
55
2
2
343
76
7230
8000
4680
1300
2400
FOCSWATER.C
KW
KW
m3/h
KPa
m3/h
KPa
n
n
kg
kg
kg
kg
mm
mm
mm
F.L.I
(kW)
122
155
175
216
138
155
175
175/196
196
216
F.L.A
(A)
197
247
286
351
223
247
286
286/318
318
351
L.R.A
(A)
404
465
586
805
436
465
586
586/650
650
805
F.L.I
(kW)
122
155
175
216
275
310
350
371
391
432
F.L.A
(A)
197
247
286
351
446
494
572
604
636
702
S.A
(A)
404
465
586
805
659
712
872
936
968
1156
1301C
1651C
2001C
2501C
3002C
3502C
4002C
4202C
4502C
5002C
1
1
1
1
2
2
2
2
2
2
W3000
25-100% stepless 12.5-100% stepless
Total unitCompressor(each)
Maximum values
FOCSWATER.C
n
Electrical Data
Remarks:
Chilled water (in/out) 12/7℃Condenser water (in/out) 30/35℃
General Technical Data
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FOCSWATER.C Water cooled screw chiller
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F O C S W A T E R 1
3 0 1 C ~ 2 5 0 1 C
F O C S W
A T E R 3 0 0 2 C ~ 5 0 0 2 C
R e c o m m e n d e d O p e r a
t i n g a n d S e r v i c e C l e a r a n c e s
1 3 0 1 C
1 6 5 1 C
2 0 0 1 C
2 5 0 1 C
3 0 0 2 C
3 5 0 2 C
4 0 0 2 C
4 2 0 2 C
4 5 0 2 C
5 0 0 2 C
A ( m m )
2 9 0 0
2 9 3 0
2 9 3 0
2 9 8 0
A ( m m )
4 4 3 0
4 4 3 0
4 4 3 0
4 5 6 5
4 6 4 0
4 6 8 0
B ( m m )
1 1 7 0
1 1 7 0
1 2 0 5
1 2 9 0
B ( m m )
1 2 8 0
1 2 8 0
1 2 8 0
1 3 0 0
1 3 0 0
1 3 0 0
H ( m m )
1 9 3 0
1 9 9 0
2 0 0 0
2 2 0 0
H ( m m )
2 2 4 0
2 2 6 0
2 2 6 0
2 4 0 0
2 4 0 0
2 4 0 0
P . / W . ( K g )
2 9 3 0
3 0 9 0
3 3 6 0
3 6 9 0
P . / W . ( K g )
6 0 2 0
6 4 9 0
6 6 6 0
7 0 5 0
7 1 1 0
7 2 3 0
W e i g h t
W e i g h t
D i m e n s i o n
D
i m e n s i o n
F O C S W A T E R . C
F O C S W A T E R . C
W a t e r C o n n e c t i o n S
i z e
W a t e r C o
n n e c t i o n S i z e
A ( m m )
4 " 4 " 5 " 6 "
A ( m m ) 6 " 6 " 6 " 8 " 8 " 8 "
A ( m m
)
4 " 4 " 5 " 6 "
A ( m m )
6 " 6 " 6 " 8 " 8 " 8 "
D i m e n s i o n D r a w i n g
① E v a p o r a t o r w a t e r i n l e t
③ C o n d e n s e r s w a t e r i n l e t
⑤ L i f t i n g p o i n
t s
⑦ M a i n i s o l a t o r
② E v a p o r a t o r w a t e r o u t l e t
④ C o
n d e n s e r s w a t e r o u t l e t
⑥ P o w e r i n l e t
R e m a r k s : P l e a s e c o n t a c t C l i m a v e n e t a o f c e f o r d e t a i l d r a w i n g s .
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FOCSWATER.C Water cooled screw chiller
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RS485/RJ45
Dynamic part
Control section
D e t er mi n e d b y t h en um b er
a c c or d i n g t o t h e c om pr e s s or
W3000 Motherboard
Remote set point/
secondary set point
(Optional modules)
Pump control
Remote
(summer/winter)
Field Wiring Diagram
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Climaveneta Italy:
36061 BASSANO DEL GRAPPA (VICENZA) ITALIA - VIA SARSON 57/c
TEL. +39 / 0424 509 500 (r.a.) - TELEFAX +39 / 0424 509 509
E-mail:[email protected] http://www.climaveneta.com
Climaveneta China:
No,88 Baiyun Road Xinghuo Developing Zone ,Shanghai,China Post Code:201419
TEL: +86-21-57505566 FAX: +86-21-57505797
E-mail:[email protected] http://www.climaveneta.com.cn
Climaveneta Hongkong:
Room 2003,CCT Telecom Building, 11 Wo Shing Street,Fotan,Shatin,N.T.,Hongkong
TEL: +85-2-26871755 FAX: +85-2-26873078
E-mail:[email protected] http://www.climaveneta.asia
Climaveneta Vietnam:
381A1 Cong Hoa Street Ward 13 Tan Binh District, HCM City, Vietnam
TEL: +84-8-38497529 FAX: +84-8-38124190
E-mail:[email protected] http://www.climaveneta.asia
B215 CCU/01-03-2011CN-SH Allspecicationanddataaresubjecttochangewithoutnotice