Midea MWSC1080A-FB3, Manual

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Flooded type water cooled screw chiller (PCB Control)
13
3.
Specifications
Single head
MWSC_A-FB3
340 440 540 690 805 890
Cooling capacity kW 340 440 540 690 805 890
Power input kW 60 77 94 120 140 155
EER kW/kW 5.66 5.71 5.74 5.75 5.75 5.74
Semi-hermetic screw compressor
Circuit A Quantity 1 1 1 1 1 1
Circuit B Quantity -- -- -- -- -- --
Oil recharge
Circuit A L 18 20 23 28 40 40
Circuit B L -- -- -- -- -- --
Refrigerant Type R134a
Circuit A kg 130 145 160 200 230 250
Circuit B kg -- -- -- -- -- --
Control Type EXV+Orifice
Evaporator Type Shell and tube flooded
Water content L 150 170 190 210 240 270
Water flow m³/h 58 76 93 119 138 153
Pressure drop kPa 55 49 53 46 39 39
Max. pressure kPa 1000 1000 1000 1000 1000 1000
Connection type Victaulic coupling
Water inlet/outlet pipe dim. mm 150 150 150 200 200 200
Condenser Type Shell and tube
Water content L 150 170 190 210 240 270
Water flow m³/h 73 95 116 148 173 191
Pressure drop kPa 75 70 77 66 56 56
Max. pressure kPa 1000 1000 1000 1000 1000 1000
Connection type Victaulic coupling
Water inlet/outlet pipe dim. mm 150 150 150 200 200 200
Unit length mm 3550 3550 3550 3600 3600 3600
Unit width mm 1220 1220 1220 1420 1440 1440
Unit height mm 1730 1800 1900 2000 2020 2020
Shipping weight kg 2500 2580 2950 3550 4050 4150
Running weight kg 2700 2820 3220 3870 4420 4550
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:
Nominal cooling capacities are based on following conditions: Chilled water inlet/outlet temperature 12/7
℃
(53.6F/44.6F);
Cooling water inlet/outlet temperature 30/35
℃
(86F/96F).
The design fouling factor for both evaporator and condenser are 0.086m2
•℃
/kW (0.0005ft2 F.hr/Btu).