Refrigerant a
nd hydraulic connections
D --- 4Liebert HPM --- A/W/F/D/H
English
Fig. 4 --- Refrigerant, water and electrical connections Liebert HPM M2H --- 3A
UNIT FRONT
no. 4 holes 48
CD
HF
HD
IHW
OHW
IFC
IL/
IWC
OFC
OG/
OWC
EC
0
150
190
280
330
705
850
070
100 180
230
280 370
420
755 1000
0
80
180
850
Precut holes
300
Unit Con nection
Version
A W D H F
IL Refrigerant liquid line inlet * OD 16 mm OD 16 mm
OG Refrigerant gas line outlet * OD 18 mm OD 18 mm
IWC W a t e r t o c o n d e n s e r i n l e t --- I S O 7 / 1 Rp 1 Rp 1
OWC W ater from condenser outlet --- ISO 7/1 Rp 1 Rp 1
IHW Hotwaterinlet(opt.) OD 18 mm
OHW Hot water outlet (opt.) OD 18 mm
IFC
Water inlet to Freecooling and
D u a l f l u i d c o i l --- I S O 7 / 1
Rp 1 Rp 1 Rp 1¼
OFC
Water outlet from Freecoolingn
and Dualfluid coil --- ISO 7/1
Rp 1 Rp 1 Rp 1¼
CD Condensate drain ID 20 mm
HF Humidifier feed (opt.) --- ISO 7/1 R½
HD Humidifier drain (opt.) ID 22 mm
EC Electrical power supply
Hole 48 mm
* Connection size only. The dimension of the connecting pipe depends on unit model and refrigerant, see Tab. c on para. 4.1.2.