Emerson Liebert MC Microchannel Outdoor Condenser 28 - 220kW User Manual

Service/Schrader (Access) Connection With Valve Core

NOTES
Single refrigeration circuit shown for clarity.
Schematic representation shown. Do not use for specific connection locations.

* Components are not supplied by
   Liebert but are recommended for
   proper circuit operation and
   maintenance

Refrigerant Piping

Field Piping

Service/Schrader (Access) Connection No Valve Core

Trap at base of risers
over 5ft. (1.5m)*

Condenser
Coil

Condenser
Coil

Liebert Lee-Temp Receiver

Liebert Lee-Temp

Hot Gas Discharge

Liquid Return

For rises over 25ft. (7.6m),
trap every 20ft. (6m) or at
evenly divided distances*

Evaporator
Coil

Liquid

Suction

Compressor

Expansion
Valve 

Solenoid

Valve

Sight
Glass

Filter Drier

Liquid Line

Hot Gas Discharge

*Isolation
Valve

*Isolation
Valve

Check
Valve

Field installed relief valve(s) required
for 50Hz EU CE units

Optional Field-Installed
Fusible Plug

Service
Valve

Check Valve

Relief Valve

Service
Valve

Head Pressure
Control Valve

Service
Valve 

External
Equalizer

Sensing
Bulb

DPN002188
Rev. 1