Vertiv Liebert HPM - Page 74

Refrigeration circuits
E --- 2 1Liebert HPM --- A/W/F/D/H
English
Fig. 21 --- Refrigerant diagram HPM L8F---L9H W (R410A)
SUPPLY LIMITSUPPLY LIMIT
FG
MC
FG
MC
2
1
2
1
5
5
6
6
6
6
6
6
6
6
8
8
9
9
10
10
11
12
14
15 15
16
16
1717
12
12
44
18
44
18
3
3
7 7
COOLING WATER OUTLET
COOLING WATER INLET
19
20
20
19
6
6
ONLY WITH REHEATING COIL OPTION
POS. DESCRIPTION
1 Compressor
2 Crankcase heater
3 High pressure switch (HP)
4 Water cooled condenser
5 Liquid receiver
6 Access valve
7 Safety valve
8 Filter dryer
9 Sight glass
10 Thermostatic expansion valve
POS. DESCRIPTION
11 Hot gas solenoid valve (optional)
12 Check valve
13 Shut---off valve
14 Reheating coil (optional)
15 Evaporator
16 Low pressure switch (LP)
17 Shut---off solenoid valve
18 Head pressure control valve
19 Hot gas valve injection
20 On/off pressure switch for hot gas valve injection