17
18-22HP
Figure 2-2.2: 18-22HP piping diagram
Legend
No. Parts name
No. Parts name
1 Compressor 10 Stop valve (gas side)
2 Discharge temperature sensor 11 Accumulator
3 High pressure sensor 12 Low pressure switch
4 Oil separator 13 Solenoid valve
5 Heat exchanger T3 Heat exchanger temperature sensor
6 Electronic expansion valve (EXV) T4 Outdoor ambient temperature sensor
7 Fan motor SV2 Liquid injection valve
8 Fan SV4 Oil return valve
9 Stop valve (liquid side) SV7 Pressure valve
3
4
9
10
12
13
13
8
7
SV4
SV7
11
13
SV2
8
7
5
6
EXVA
XX°C
T3
T4
XX°C
2
1
2
1
16
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