Chapter 2 Mechanical Installation 9
Compressor
HP
sensor
iCOM control
FAN
BPHE
Balancing valve or isolation valve*
Filter*
Isolation valve*
Drain valve*
Hose port*
Welding port of chilled water in/out port
3-way ball
valve
Chilled
water coil
Low pressure sensor
High pressure sensor
Evaporator
Chilled
water coil
Evaporator
Liquid
distributor
EC/FC fan
Liquid
distributor
EC/FC fan
Expansion valve
Hot gas
bypass valve
Sight glass
Filter drier
Refrigerant
Refrigerant
Air-cooled condenser
Air-cooled outdoor
3-way ball
valve
iCOM control
Condenser water
or glycol liquid
Water-cooled or
glycol-cooled
Isolation valve*
Hose port*
Welding port of chilled water in/out port
Figure 2-7 Single system diagram of unit
Liebert.PEX2 Series Air Conditioner User Manual
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