EDM WQL H RC

WQL-WQH-WQRC 20-190
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7
Refrigerant Flow Diagram - WQL 50 to 190
5
1
S S
A
C
F
E
S
S
ST BT
ELECTRONIC EXPANSION
VALVE (OPTIONAL)
MECHANICAL EXPANSION
VALVE (STANDARD)
OIL EQUAL.
SUCTION LINE
UNIT
CONTROL
EXV
CONTROL
H
G
D
I
B
AT
43
8
2 6
3 4 7
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
C Water differential pressure switch
D Water differential pressure switch
E Outlet water temperature sensor
F Inlet water temperature sensor
G Inlet water temperature sensor
H Outlet water temperature sensor
I PED pressure valve (45 bar)
S 5/16" Shrader connection (service only)
Pipe connection with Shrader valve
COMPONENTS
1 Compressors
2 Condenser
3 Drier filter
4 Sight glass
5 Mechanical expansion valve
6 Evaporator
7 Electronic expansion valve
8 Desuperheater