Screw Type water Chiller-Ningbo Beilun Rhong Machinery Manufacturing Co., Ltd.
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Products Name: Screw Type Water-Cooled Industrial Chiller (RCMC-W Series)
RCMC-W series screw type water-cooled central chillers adopt German-made BITZER with half-closed and twin screw compressors, models with one or two compressors, suitable for using R22 and R407C refrigerants; equipped with high efficiency tube-in-shell type condenser and evaporator ensure stable heat exchange and convenient maintenance; advanced controller with built in microprocessor which has a powerful and excellent performance.
RCMC-W water-cooled centralized water-cooling system are main composed of compressor, condenser, evaporator and expansion valve. It is adopted single-stage vapor compression refrigeration system, by the principle of inter-conversion between gaseous and liquid refrigerator, to absorb and release heat. So that, achieving the results of refrigeration.
Features Specifications:
> Half-closed, double screws compressor are made in Germany with long service life.
> Stopless compressor output capacity adjusting function are designed to save power.
> Evaporator and condenser built strictly according to national standards.
> Extendibility of the controller makes upgrade of both hardware and software much easier.
> "Watchdog" technology makes microprocessor able to automatically diagnose and solve the problems.
> 512 K memory for programs and 128 K off-power data storage.
> Special touch screen panel, long service life more than 10 years.
> Function of fault query and fault statistics, convenient to analysis the fault and make improvement.
> Able to monitor the setting of actual temp and display temp trend in hours or daily.
> Support multi-language.


Single-compressor Type
Symbol
Name
Quantity
CM
Compressor
1
CD
Condenser
1
CH
Evaporator
1
EX
Expansion valve
1
FP
Fusible plug
1
AV
Angle valve
1
DS
Drier-filter
1
SG
Window
1
CV
contrary stop valve
1
HV
High pressure valve
1
HG
High-pressure gauge
1
LG
Low-pressure gauge
1
HP
High-pressure switch
1
LP
High-pressure switch
1
TH
Thermo switch
1
FU
Anti-freezing switch
1

Double-compressor Type
 

Symbol
Name
Quantity
CM1-2
Compressor
1
CD1-2
Condenser
1
CH
Evaporator
1
EX1-2
Expansion valve
1
FP1-2
Fusible plug
1
AV1-2
Angle valve
1
DS1-2
Drier-filter
1
SG1-2
Window
1
CV1-2
contrary stop valve
1
HV1-2
High pressure valve
1
HG1-2
High-pressure gauge
1
LG1-2
Low-pressure gauge
1
HP1-2
High-pressure switch
1
LP1-2
High-pressure switch
1
TH
Thermo switch
1
FU
Anti-freezing switch
1

Please excuse for not note if some specifications of products are changed. 
 
 

Single compressor specifications

Model
RCMC-40W
RCMC-50W
RCMC-60W
RCMC-70W
RCMC-80W
RCMC-90W
Power resource
-
3Ø-380V-50HZ
Chilling capacity
kcal/h
113500
141900
166000
191800
220200
272600
kw
132
165
193
223
256
317
Consumption
kw
31
38
43
51
58
76
Operation current
A
54
66
75
87
96
123
Startup current
A
218D/411D D
269D/508D D
290D/485D D
350D/585D D
350D/585D D
520D//801D D
Capacity control
%
100-75-50-25-0
Compressor
Type
-
Half-closed and double-screw type
Quantity
-
1
Startup type
-
Divided winding starting
Oil heater
W
200
300
Chilled oil
Type
-
B320SH
Filling quantity
L
9
15
22
Refrigerant
Type
-
R-22
Filling quantity
KG
21
26
30
35
40
50
Throttling
-
Thermostatic expansion valve
Evaporator
Type
-
Tube-in-shell high efficient heat exchanger
Chiller water flow
m³/h
23
28
33
38
44
55
Pressure expense
KPa
54
54
54
57
57
57
Water pipe joint
PT
3"
3"
3"
4"
4"
4"
Condenser
Type
-
Tube-in-shell high efficient heat exchanger
Chilling water flow
m³/h
30
37
43
50
57
71
Pressure expense
KPa
54
54
57
57
59
59
Water pipe joint
PT
2-1/2"
3"
3"
3"
3"
4"
Protection device
-
High pressure switch, low pressure switch, Anti-freezing switch, fusible plug, compressor over-heat protection, motor over-heat protection, exhaust air over-heat protection, pump over-load protection, oil over-heat protection, phase reverse protection, voltage insecure, cooling water over-heat protection, chilled water flow protection, cooling water flow shortage protection, cooling tower over current protection, and so on.
External dimensions
L
mm
2175
2195
2245
2860
2860
2975
W
mm
935
935
935
1015
1015
1015
H
mm
1430
1500
1655
1710
1710
1965
A
mm
1100
1100
1100
1200
1200
1300
B
mm
690
690
690
790
790
790
C
mm
690
760
820
860
860
1000
D
mm
170
190
240
240
240
270
E
mm
100
100
120
120
120
160
F
mm
75
80
80
125
105
100
G
mm
240
240
230
475
475
400
I
mm
75
156
170
200
200
315
Net weight
Kg
1020
1060
1270
1370
1400
1870
Operating weight
Kg
1120
1180
1420
1550
1580
2100
Noise
dB(A)
74
76
78


 

Model
RCMC-110W
RCMC-120W
RCMC-150W
RCMC-180W
RCMC-200W
Power resource
-
3Ø-380V-50HZ
Chilling capacity
kcal/h
312200
360300
470400
541800
621800
kw
363
419
547
630
723
Consumption
kw
80
90
121
136
156
Operation current
A
136
151
199
221
246
Startup current
A
612D/943D D
665D/1023D D
465Y/1442D
586Y/1853D
650Y/2029D
Capacity control
%
100-75-50-25-0
Compressor
Type
-
Half-closed and double-screw type
Quantity
-
1
Startup type
-
Divided winding starting
Y-Δ
Oil heater
W
300
Chilled oil
Type
-
B320SH
Filling quantity
L
22
28
Refrigerant
Type
-
R-22
Filling quantity
KG
57
66
86
99
113
Throttling
-
Thermostatic expansion valve
Evaporator
Type
-
Tube-in-shell high efficient heat exchanger
Chiller water flow
m³/h
62
72
94
109
125
Pressure expense
KPa
59
59
62
62
67
Waterpipe joint
PT
4"
4"
5"
6"
6"
Condenser
Type
-
Tube-in-shell high efficient heat exchanger
Chilling water flow
m³/h
81
94
122
141
162
Pressure expense
KPa
62
62
65
67
67
Water pipe joint
PT
4"
4"
5"
5"
5"
Protection device
-
High pressure switch, low pressure switch, Anti-freezing switch, fusible plug, compressor over-heat protection, motor over-heat protection, exhaust air over-heat protection, pump over-load protection, oil over-heat protection, phase reverse protection, voltage insecure, cooling water over-heat protection, chilled water flow protection, cooling water flow shortage protection, cooling tower over current protection, and so on.
External dimensions
L
mm
2985
3010
3510
3590
3595
W
mm
1025
1055
1105
1150
1175
H
mm
1975
1990
2140
2155
2195
A
mm
1300
1300
1600
1600
1600
B
mm
790
790
9000
900
980
C
mm
1010
1010
1120
1120
1160
D
mm
270
245
275
240
240
E
mm
160
175
175
240
240
F
mm
100
100
125
130
175
G
mm
405
405
550
540
540
I
mm
310
245
250
340
340
Net weight
Kg
1870
2070
2790
2910
3240
Operating weight
Kg
2220
2340
3120
3240
3760
Noise
dB(A)
80
82

 

Remark:
1) Condition for parameter test: temperature of chilled water: inlet 12°C,outlet 7°C;temperature of chilling water: Inlet 30°C, outlet 35°C.
2) Noise test: 1m away from the due front of the machine, 1.5m high away from the machine(noise: below 30dB)
3) Any special requirements, have to be advised before order.
Please excuse for not note if some specifications of products are changed.

 

Double compressor specifications
 

Model
RCMC-40W-D
RCMC-50W-D
RCMC-60W-D
RCMC-70W-D
RCMC-80W-D
RCMC-90W-D
Power resource
-
3Ø-380V-50HZ
Chilling capacity
kcal/h
226200
283800
331100
383600
440300
547800
kw
263
330
385
446
512
637
Consumption
kw
62
76
87
102
115
136
Operation current
A
108
132
149
175
190
232
Startup current
A
218D/411D D
269D/508D D
290D/485D D
350D/585D D
423D/686D D
520D//801D D
Capacity control
%
100-75-50-25-0
Compressor
Type
-
Half-closed and double-screw type
Quantity
-
2
Startup type
-
Divided winding starting
Oil heater
W
200x2
300x2
Chilled oil
Type
-
B320SH
Filling quantity
L
9x2
15x2
22x2
Refrigerant
Type
-
R-22
Filling quantity
KG
21x2
26x2
30x2
35x2
39x2
46x2
Throttling
-
Thermostatic expansion valve
Evaporator
Type
-
Tube-in-shell high efficient heat exchanger
Chiller water flow
m³/h
45
57
66
77
88
110
Pressure expense
KPa
57
57
59
62
62
62
Water pipe joint
PT
4"
4"
4"
5"
5"
5"
Condenser
Type
-
Tube-in-shell high efficient heat exchanger
Chilling water flow
m³/h
59
74
86
100
115
142
Pressure expense
KPa
51
54
59
59
59
62
Water pipe joint
PT
2-1/2"x2
3"
3"x2
3"x2
3"x2
4"x2
Protection device
-
High pressure switch, low pressure switch, Anti-freezing switch, fusible plug, compressor over-heat protection, motor over-heat protection, exhaust air over-heat protection, pump over-load protection, oil over-heat protection, phase reverse protection, voltage insecure, cooling water over-heat protection, chilled water flow protection, cooling water flow shortage protection, cooling tower over current protection, and so on.
External dimensions
L
mm
2850
2850
3040
3130
3140
3760
W
mm
1150
1150
1250
1250
1250
1400
H
mm
1450
1450
1760
1790
1810
2030
A
mm
1300
1300
1300
1600
1600
1600
B
mm
1040
1040
1140
1140
1140
1290
C
mm
770
770
955
970
975
1085
D
mm
215
215
275
270
270
265
E
mm
100
100
120
120
120
175
F
mm
230
230
275
300
275
375
G
mm
410
410
400
245
400
545
I
mm
70
70
245
250
245
250
Net weight
Kg
1790
1790
2340
2420
2500
3580
Operating weight
Kg
1920
1970
2520
2620
2710
3920
Noise
dB(A)
72
76
80


 

Model
RCMC-110W-D
RCMC-120W-D
RCMC-150W-D
RCMC-180W-D
RCMC-200W-D
Power resource
-
3Ø-380V-50HZ
Chilling capacity
kcal/h
623500
721500
940000
1083600
1243600
kw
725
839
1093
1260
1446
Consumption
kw
160
180
230
272
305
Operation current
A
273
305
373
452
503
Startup current
A
612D/943D D
665D/1023D D
465Y/1442D
586Y/1853D
650Y/2029D
Capacity control
%
100-75-50-25-0
Compressor
Type
-
Half-closed and double-screw type
Quantity
-
2
Startup type
-
Y-Δ
Oil heater
W
300x2
Chilled oil
Type
-
B320SH
Filling quantity
L
22x2
28x2
Refrigerant
Type
-
R-22
Filling quantity
KG
54x2
61x2
78x2
92x2
104x2
Throttling
-
Thermostatic expansion valve
Evaporator
Type
-
Tube-in-shell high efficient heat exchanger
Chiller water flow
m³/h
125
144
188
217
249
Pressure expense
KPa
65
65
67
67
69
Water pipe joint
PT
6"
6"
6"
8"
8"
Condenser
Type
-
Tube-in-shell high efficient heat exchanger
Chilling water flow
m³/h
162
188
244
282
323
Pressure expense
KPa
62
62
65
67
67
Water pipe joint
PT
4"x2
4"x2
5"x2
5"x2
5"x2
Protection device
-
High pressure switch, low pressure switch, Anti-freezing switch, fusible plug, compressor over-heat protection, motor over-heat protection, exhaust air over-heat protection, pump over-load protection, oil over-heat protection, phase reverse protection, voltage insecure, cooling water over-heat protection, chilled water flow protection, cooling water flow shortage protection, cooling tower over current protection, and so on.
External dimensions
L
mm
3760
3760
4100
4100
4250
W
mm
1400
1400
1600
1750
1750
H
mm
2040
2080
2260
2290
2360
A
mm
1600
1600
1600
1600
1600
B
mm
1290
1290
1480
1630
1630
C
mm
1130
1135
1240
1270
1305
D
mm
265
265
290
290
290
E
mm
175
175
240
240
250
F
mm
375
375
450
450
430
G
mm
545
545
500
500
775
I
mm
250
250
100
100
90
Net weight
Kg
3750
3880
5050
5340
5600
Operating weight
Kg
4110
4250
5490
5830
6260
Noise
dB(A)
80
82

 

Remark:
1) Condition for parameter test: temperature of chilled water: inlet 12°C,outlet 7°C;temperature of chilling water: Inlet 30°C, outlet 35°C.
2) Noise test: 1m away from the due front of the machine, 1.5m high away from the machine (noise: below 30dB)
3) "-D" means double compressor.
4) Any special requirements have to be advised before order.
Please excuse for not note if some specifications of products are changed.


 

 

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