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Air-Cooled Models—Self-Contained Compressor
33
Figure 17 General arrangement—Air-cooled models with Liebert Lee-Temp
* Components are not supplied by Liebert
but are recommended for proper
circuit operation and maintenance.
* * Components supplied by Liebert
and must be field installed.
FACTORY PIPING
FIELD PIPING
Piping Assembly * *
Condenser Coil
Rotalock Valve * *
1/4" ( 6.4mm)
Pressure Relief
Valve * *
Sight Glass
Liebert
Lee-Temp
Receiver
Head Pressure
Control with
Integral Check
Valve
Check
Valve
Evaporator Coil
Sensing Bulb
Expansion
Valve
Hot Gas
Bypass
Valve
Hot Gas
Bypass
Solenoid
Valves
Sight Glass
Filter Dryer
Shutoff
Valve *
Liquid Return
External
Equalizers
Service
Valves
Scroll
Compressor
Liquid Return
from Condenser
Traps * Every
25 Ft. (7.6m)
of rise on Hot
Gas Line only
Inverted Trap * on
discharge line to
extend above base
of coil by a minimum
of 7-1/2" (190mm)
OPTIONAL PIPING
Hot Gas Discharge
Check Valve
DPN000674
Rev. 02