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Flooded type water cooled screw chiller (MIC)
MCAC-CTSM-2018-1
14
3.
Specifications
LSBLG
***
/MCF
340
440
540
720
805
890
1055
Cooling capacity
kW
336.6
435.7
534.5
712.7
797.2
881.5
1045
Power input
kW
59.77
76.71
93.65
127.0
143.7
154.4
185.9
COP
kW/kW
5.631
5.679
5.707
5.611
5.547
5.709
5.621
Semi-hermetic screw compressor
Circuit A
Quantity
1
1
1
1
1
1
1
Circuit B
Quantity
--
--
--
--
--
--
--
Oil charge
Circuit A
L
18
20
23
28
40
40
40
Circuit B
L
--
--
--
--
--
--
--
Refrigerant
Type
R134a
Circuit A
kg
130
145
160
230
230
250
360
Circuit B
kg
--
--
--
--
--
--
--
Control Type
EXV+ Orifice
Evaporator
Type
Shell and Tube Flooded
Water flow
m³/h
52.17
67.55
82.83
110.5
123.6
136.7
162.0
Pressure drop
kPa
24.4
26.2
26.2
22.0
27.0
26.9
26.2
Max. pressure
kPa
1000
1000
1000
1000
1000
1000
1000
Connection type
Victaulic coupling
Water inlet/outlet pipe dim.
mm
150
150
150
200
200
200
200
Condenser
Type
Shell and tube
Water flow
m³/h
65.18
84.42
103.6
138.1
154.5
170.8
202.5
Pressure drop
kPa
30.9
32.3
32.7
30.1
32.6
34.8
30.7
Max. pressure
kPa
1000
1000
1000
1000
1000
1000
1000
Connection type
Victaulic coupling
Water inlet/outlet pipe dim.
mm
150
150
150
200
200
200
200
Unit length
mm
3496
3496
3496
3521
3521
3521
3588
Unit width
mm
1200
1200
1200
1400
1400
1400
1500
Unit height
mm
1716
1768
1848
1928
2026
2026
2250
Packing length
mm
3950
3950
3950
3950
3950
3950
3950
Packing width
mm
1340
1340
1340
1560
1560
1560
1660
Packing height
mm
1950
2020
2120
2220
2240
2240
2470
Running weight
kg
2515
2560
2935
3800
4210
4300
5470
Shipping weight
kg
2525
2540
2875
3580
3980
4060
5210
Safety protection device
The following safety devices are equipped as standard.
High pressure protection(High pressure switch & high pressure sensor).
Low pressure protection(Low pressure switch & low pressure sensor).
Compressor thermal protection.
High discharge temperature on the compressor.
Phase monitor; Star/Delta transition failed.
Low-pressure ratio; Low oil level protection.
Interrupter protection; Overload compressor protection.
Over-voltage & low- voltage protection.
Sensor malfunction protection.
Contactor malfunction protection.
Freeze protection.
Note:
The paramters above are given according to the AHRI550/590-2015.
Cooling condition:chilled water outlet temp.is 6.67
℃
(44
℉
),water flow is based on cooling capacity x 0.1550 m
3
(h
•
kW);
Cooling water inlet temp.is 29.44
℃
(85
℉
),water flow is based on cooling capacity x 0.1938
m
3
(h•kW).
The design fouling factor for evaporator is 0.0176
m
2
℃
/kW(0.0001 ft
2
F.hr/Btu) and for condenser is 0.044 m
2
•℃
/kW
(0.00025 ft
2
F.hr/Btu).