EDM WQL H RC 524 1604

WQL/WQH/WQRC 524-1604
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7
Refrigerant Flow Diagram - WQH 524 to 1604 - R410A
COMPONENTS
1 Compressor
2 4-way valve
3 Outdoor heat exchanger
4 Drier filter
5 Sight glass
6 Mechanical expansion valve
7 Indoor heat exchanger
8 Check valve
9 Electronic expansion valve
10 Desuperheater
SAFETY/CONTROL DEVICES
A High pressure switch (40,5 bar)
B Low pressure switch (1,5 bar)
AT High pressure transducer
BT Low pressure transducer
C Water differential pressure switch (50 mbar)
E Outlet water temperature sensor
F Inlet water temperature sensor
G Inlet water temperature sensor
H Outlet water temperature sensor
I Ped pressure relief valve (45 bar)
S 5/16” Shrader connection (service only)
↓ Pipe connection with Shrader valve
46
ON
5
2
S
8
8
8
8
MECHANICAL EXPANSION
VALVE (STANDARD)
E
F
3
G
H
7
C
BAA
C
ST
EEV
CONTROL
BT
ELECTRONICAL EXPANSION
VALVE (OPTIONAL)
459
OIL EQUAL.
1
10
I
S
AT
S
ONLY SIZE 904-1604
S