Unit installation

803 C – 01/05 A – pag. 9/17
Physical data PFS SE (standard efficiency) HFC 134a
“PFS SE” Unit size 106.1 127.1 157.1 209.2 230.2 251.2
282.2
314.2
Cooling capacity (1) kW
362,2 429,8 517,5 685,0 763,3 839,9 927,7 1072
Power input (1) kW
63,7 76,8 98,4 131,3 146,1 161,3 177,4 196,5
COP (1)
5,69 5,60 5,26 5,22 5,22 5,21 5,23 5,46
McQuay Screw compressors No.
11122222
Refrigerant circuits No.
11111111
Min % of capacity reduction %
25,0 25,0 25,0 12,5 12,5 12,5 12,5 12,5
Refrigerant charge HFC 134a kg
197 197 197 254 254 331 331 349
Oil charge l
14,0 14,0 14,0 28,0 28,0 28,0 28,0 28,0
Evaporator
Evaporators / water volume No./l
1/138 1/138 1/138 1/164 1/164 1/206 1/206 1/295
Max water operating pressure bar
10,5 10,5 10,5 10,5 10,5 10,5 10,5 10,5
Condenser
Condensers / water volume No./l
1/125 1/125 1/125 1/162 1/162 1/162 1/147 1/147
Max water operating pressure bar
10,5 10,5 10,5 10,5 10,5 10,5 10,5 10,5
Weight and dimensions
Shipping weight kg
3567 3567 3567 5012 5012 5207 5217 5255
Operating weight kg
3830 3830 3830 5338 5338 5575 5570 5697
Unit length mm
3945 3945 3945 3945 3945 3945 3945 3945
Unit width mm
1400 1400 1400 1490 1490 1490 1490 1490
Unit height mm
2137 2137 2137 2137 2137 2137 2137 2137
Physical data PFS XE (high efficiency) HFC 134a
“PFS XE” Unit size 106.1 127.1 157.1 209.2 230.2 251.2
282.2
314.2
Cooling capacity (1) kW
375,7 454,8 566,9 753,2 828,1 904,9 1024 1141
Power input (1) kW
62,2 75,5 93,9 124,7 137,2 149,5 168,5 187,7
COP (1)
6,04 6,02 6,04 6,04 6,04 6,05 6,08 6,08
McQuay Screw compressors No.
11122222
Refrigerant circuits No.
11111111
Min % of capacity reduction %
25,0 25,0 25,0 12,5 12,5 12,5 12,5 12,5
Refrigerant charge HFC 134a kg
197 254 331 349 349 349 357 357
Oil charge l
14,0 14,0 14,0 28,0 28,0 28,0 28,0 28,0
Evaporator
Evaporators / water volume No./l
1/138 1/164 1/206 1/295 1/295 1/295 1/252 1/252
Max water operating pressure bar
10,5 10,5 10,5 10,5 10,5 10,5 10,5 10,5
Condenser
Condensers / water volume No./l
1/162 1/162 1/147 1/278 1/278 1/314 1/314 1/314
Max water operating pressure bar
10,5 10,5 10,5 10,5 10,5 10,5 10,5 10,5
Weight and dimensions
Shipping weight kg
3677 3866 4071 5575 5575 5945 6108 6108
Operating weight kg
3977 4192 4424 6148 6148 6554 6674 6674
Unit length mm
3945 3945 3945 3945 3945 3945 3945 3945
Unit width mm
1400 1400 1400 1490 1490 1650 1650 1650
Unit height mm
2137 2137 2137 2137 2137 2137 2137 2137
Note: (1) Nominal cooling capacity and power input are based on: 12/7 °C entering/leaving evaporator water temperature;
30/35 °C entering/leaving condenser water temperature.
Electrical data PFS (SE,XE)
PFS unit size 106.1 127.1 157.1 209.2 230.2 251.2 282.2 314.2
Standard Voltage (1)
400 V – 3Ph – 50 Hz
Max current compressor 1 A
230 273 320 230 230 273 273 320
Max current compressor 2 A
- - - 230 273 273 320 320
Max unit current A
230 273 320 460 503 546 593 640
Max inrush current star/delta (2) A
572 572 572 802 845 845 892 892
Note: (1) Allowed voltage tolerance ± 10%. Voltage unbalance between phases must be within ± 3%.
(2) Absorbed current of compressor n°1at full load+inrush current of compressor n°2.