Emerson Liebert PEX Series - Page 13

8 Chapter 2 Mechanical Installation
Chilled
water coil
Evaporator
EC/FC fan
Expansion valve
Sight glass
Filter
drier
Compressor Compressor
Refrigerant
Air-cooled condenser
FAN
Water-cooled or
glycol-cooled
Low pressure
HP
sensor
iCOM
control
FAN
iCOM
control
BPHE
iCOM
control
Balancing valve or isolation valve*
Filter*
Drain valve*
Isolation valve*
Hose port*
Cooling water or glycol liquid
Welding port of chilled water in/out port
3-way
ball valve
Liquid
distributor
Chilled
water coil
Evaporator
Welding port of chilled water in/out port
Hose port*
Isolation valve*
sensor
High pressure
sensor
Refrigerant
HP
sensor
Sight glass
Liquid
distributor
EC/FC fan
Low pressure
sensor
High pressure
sensor
Refrigerant
Air-cooled condenser
Air-cooled outdoor
Air-cooled outdoor
BPHE
Refrigerant
3-way ball
valve
3-way ball
valve
condenser water
or glycol liquid
Water-cooled or
glycol-cooled
Filter
drier
condenser water
or glycol liquid
Figure 2-6 Dual system diagram of unit
 Note
MUST ENSURE THAT MECHANICAL FILTER/STRAINER IS FITTED TO INLET OF BPHE CIRCUITS BY INSTALLER!
Liebert.PEX2 Series Air Conditioner User Manual