Energy Saving Low Temperature Industrial Cooling System (MPSA-740.1H) Â
 BRIEF DESCRIPTION
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MPSA~ series Water Cooled Screw Type Water Chiller Unit is the latest developed product which has a wide cooling capacity range from 100.1KW to 3460.4KW. This series unit adopt: 5:7 Asymmetric Semi-closed Screw Compressor, High-efficiency Shell & Tube Drype Evaporator, High-efficiency Shell & Tube Type Condenser,etc. By means of decades manufacturing experience, we make the whole chiller unit with compact appearance, reasonable layout and convenient for using &maintenance etc. characteristics.
The cooling medium for this series chiller unit could be water, glycol solution or salt solution, supply chilled water through refrigerating cycle for air-conditioning or other industrial equipments.
 FEATURES / FUNCTIONS / SAFETY PROTECTIONS
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 FEATURES
* OPTIONAL FUNCTIONS
- Adopt the well-known brand compressors
* Special brine evaporator
- Control mode: PLC Full Automatic Control
* RS485 remote control function
- Copper tube is welded with oxygen free method
* Total heat recovery or part heat recovery
- 5:6 Asymmetric Semi-closed Screw Compressor
* Customizable painting colour or OEM&ODM
- SUS integrated pipelines for less pipe resistance
* Complete refrigeration system scheme design
- Multi-steps energy regulation or stepless regulation
* Explosion-proof electric cabinet or components
- System pressure & Functional test before shipping
* Customizable power supply and cooling capacity
- Highly efficient evaporator and condenser (30% energy saving)
* Different refrigerants are available, R22, R134a, R407C etc
- Electrical devices supplied from OMRON, C8, LG, SCHNEIDER
* Different outlet water Temp.(10°C,7°C,0°C,-5°C to -35°C) is available
 SAFETY PROTECTIONS                                                  Â
- Overheating protection of compressor's motor
- Phase protection of power supply
- Discontinuous flow protection of cooling/chilled water
- Anti-freezing protection of chilled water
- Over-voltage & under-voltage protection of power supply
- Three-phase Unbalance protection of power supply
- Protection for exhaust temperature of compressor is too high
- Protection for low pressure of refrigerant is too low
- Protection for outlet temperature of chilled water is too highÂ
- Protection for high pressure of refrigerant is too high
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 TECHNICAL SPECIFICATION
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Specification Table for MPSA Series
Model
MPSA-
360.1H
420.1H
450.1H
490.1H
530.1H
550.1H
635.1H
695.1H
740.1H
825.1H
Cooling Capacity
KW
360
420
450
490
530
550
635
695
740
825
104Kcal/hr
31
36
39
42
46
47
55
60
64
74
Heating Capacity
KW
391
456
489
532
576
597
690
755
804
896
104Kcal/hr
34
39
42
46
50
51
59
65
69
77
Running Control Mode
PLC Full Automatic Control
Power Supply
380V/3N ~ 50Hz
Total Power
KW
112.4
130.6
140.4
153.1
166.7
171.4
198.3
218
234.1
255.7
Operating Current
A
196.7
228.6
245.7
267.9
291.7
300
347
381.5
410
447
Compressor
Type
5:6 Asymmetric Semi-closed Twin Screw Compressor
Quantity
1 SET
Startup Type
Y-â–³ Startup
Energy Regulation Range
0 - 25% - 50% - 75% - 100%
Refrigerating Power
KW
102
118.6
127.4
138.1
148.7
153.4
180.3
200
212.5
234.1
Refrigerating Current
A
178.5
207.6
223
241.7
260.2
268.5
315.5
350
372
410
Heating Power
KW
99.5
115.6
124.2
134.6
145
177.1
187.7
195
207.2
228.2
Heating Current
A
174.1
202.3
217.4
235.6
253.8
309.9
328.5
341
363
399
Evaporator
Type
Horizontal Type Shell & Tube Dry Type Heat Exchanger
