Energy Saving Central Air Conditioning System (MPSA-71.1E) 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-
39.1e
53.1e
71.1e
77.1e
97.1e
102.1e
120.1e
128.1e
140.1e
150.1e
Cooling Capacity
KW
39
53
71
77
97
102
120
128
140
150
104Kcal/hr
3.4
4.6
6.1
6.6
8.3
8.8
10.3
11
12
12.9
Running Control Mode
PLC Full Automatic Control
Power Supply
380V/3N ~ 50Hz
Total Power
KW
28.3
37.6
47.3
52.3
65.8
70.2
78.2
83.1
90.7
99.2
Operating Current
A
49.5
65.8
82.8
91.5
115.2
122.9
136.9
145.4
158.7
173.6
Compressor
Type
5:6 Asymmetric Semi-closed Twin Screw Compressor
Quantity
2 SET
Startup Type
Y-â–³ Startup
Energy Regulation Range
0 - 33% - 66% - 100%
0 - 25% - 50% - 75% - 100%
Refrigerating Power
KW
26.5
34.9
43.7
47.9
59.2
63.6
71.6
75.3
82.9
90.4
Refrigerating Current
A
46.4
61.1
76.5
83.8
103.6
111.3
125.3
131.8
145.1
158.2
Evaporator
Type
Horizontal Type Shell & Tube Dry Type Heat Exchanger
Water Flow
m3/hr
8.4
11.4
15.3
16.6
20.9
21.9
25.8
27.5
30.1
32.3
Pipeline Interface Size
DN50
DN65
DN80
Pressure Drop
Kpa
44
45
47
49
50
50
50
50
52
55
Condenser
Type
High Efficiency Internal Thread Copper Tube Fin Type
