EDM WQL H RC

WQL-WQH-WQRC 20-190
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11
Refrigerant Flow Diagram - WQRC 50 to 190
SAFETY / CONTROL DEVICES
A High pressure switch (40.5 bar)
B Low pressure switch (2 bar)
AT High pressure transducer (optional)
BT Low pressure transducer
D Water differential pressure switch
G Inlet water temperature sensor
H Outlet water temperature sensor
I PED pressure valve (45 bar)
S 5/16" Shrader connection (service only)
ST Suction temperature probe
Pipe connection with Shrader valve
COMPONENTS
1 Compressors
2 Globe valve
3 Globe valve
4 Liquid receiver
5 Solenoid valve
6 Drier filter
7 Sight glass
8 Mechanical expansion valve
9 Evaporator
10 Electronic expansion valve
4
3
5
2
S
A
AT
S
B
S
MECHANICAL EXPANSION
VALVE (STANDARD)
ELECTRONIC EXPANSION
VALVE (OPTIONAL)
6 7
BT
UNIT
CONTROL
EXV
CONTROL
10
SUCTION LINE
ST
H
D
G
6
7
8
9
OIL EQUAL.
1
I