REV : 4
REV DATE : 1/17
DPN002808
Page :1 /1
300mm (12in.) AIR COOLED W/ LIEBERT MC CONDENSER MODELS
Form No.: DPN001040_REV4
GENERAL ARRANGEMENT DIAGRAM
LIEBERT CRV
LIEBERT CRV UNIT AND ASSOCIATED PIPING
Check Valve
Low Pressure Transducer
Evaporator Coil
Distributor
Expansion
Valve
CR019 Digital Solenoid Valve
High Pressure
Transducer
*Isolation Valve
*Isolation Valve
FACTORY REFRIGERANT PIPING
FIELD PIPING
SERVICE / SCHRADER (ACCESS) CONNECTION WITH VALVE CORE
NOTES:
1. SCHEMATIC REPRESENTATION SHOWN. DO NOT USE FOR SPECIFIC CONNECTION LOCATIONS.
2. ONE OR MORE ADDITIONAL PRESSURE RELIEF VALVES ARE REQUIRED DOWNSTREAM OF ANY
AND ALL FIELD-INSTALLED ISOLATION. DO NOT ISOLATE ANY REFRIGERANT CIRCUITS FROM
OVERPRESSURIZATION PROTECTION.
3. REFER TO OUTDOOR CONDENSER DOCUMENTS ABOVE FOR PROPER TRAP PLACEMENT.
Hot Gas Discharge
Liquid Return
Suction Line
Solenoid
Valve
Sight
Glass
Filter
Drier
* Components are not supplied by
Liebert but are required for
proper circuit operation and
maintenance. Isolation valves
should be located near the indoor
Liebert CRV unit.
Digital Scroll
Compressor
Sensing
Bulb
External Equalizer
Liquid
Liquid
Service
Valve
Pressure
Transducer
Hot Gas Discharge
LIEBERT MC CONDENSER
Hot Gas Discharge
Head Pressure
Control Valve
LIEBERT MC CONDENSER
WITH LEE-TEMP RECEIVER
Liquid Return
Lee-Temp Receiver
Relief Valve
Check Valve
Pressure
Transducer
Optional Field
Installed Fusible
Plug
Condenser Coil
Condenser Coil
* For rises over
25ft (7.6m), trap
every 20ft (6m)
or evenly divided.
Includes factory provided
inverted trap. No external
trap required.
Includes factory provided
inverted trap. No external
trap required.
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