Trane TVR Pro CO Series Service Manual page 18

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