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Refrigeration and Hydraulic Circuits
127 Liebert
®
CRV
™
Figure 106 General arrangement—water-glycol units
Check Valve
AB
B
A
A
AB
B
NOTES
1. Schematic representation shown. Do not use for specific connection locations.
2. Install a 35 mesh straine r, in an easily accessible location, on the water/glycol
supply to prevent particles from entering the heat exchange r. Strainer bypass
valves are reccomended to allow the strainer to be cleaned while maintaining
flow to the cooling unit.
DPN001985
Rev. 1
Service / Schrader (Access) Connection With Valve Core
Evaporator Coil
Digital
Scroll
Compressor
Rotalock Valve
Rotalock Valve
High-Pressure Switch
Vibration
Absorber
Vibration
Absorber
High-
Pressure
Transducer
CR020 Digital
Solenoid Valve
Water/Glycol Return
Top Connection
Water/Glycol Return
Bottom Connection
Water/Glycol Supply
Bottom Connection
Water/Glycol Supply
Top Connection
Filter
Drier
Solenoid
Valve
Expansion
Val ve
External Equalizer
Receiver
2-Way Valve
Configuration
Blocker
Disk
Valve
Fitting
Check
Valve
Differential
Check Valve
(145psi)
Water
Cooled
Brazed
Plate
Condenser
3-Way Valve
Configuration
Sensing
Bulb
Relief
Valve
CR035 Digital
Solenoid Valve
Low Pressure
Transducer
Distributor
Factory Refrigerant Piping
Service / Schrader (Access) Connection No Valve Core