500-670
T8
ST1
5
E S C
6
PH
4
4
3
HPS
3
HPS
2
2
O/S
O/S
T7C1
T7C2
1
1
20
20
INV1
INV2
Heat
SV8A
SV8B
Heat
15
15
3
16
2
14
9
12
18
6
19
5
4
20
11
10
17
7
7
T4
21
SV7
16
18
PL
19
15
15
21
7
1
1
Figure 9.5
57
EEVA
T3
9
TL
SV5
14
T6B
T6A
13
ACC
17
Legend
No.
Part name
1
Compressor
2
Oil separator
3
High pressure switch
4
Check value
5
4-way valve(ST1)
6
High pressure sensor
7
Fan
8
Microchannel heat exchanger
Electronic expansion valve
9
(EEVA/EEVB)
Stop valve (gas side)
10
Stop valve (liquid side)
11
Electronic expansion valve (EEVC)
12
Electronic expansion valve (Optional
13
EEVE)
Injection bypass solenoid valve (SV5)
14
Injection valve(SV8A/SV8B)
15
Hot gas bypass solenoid valve (SV7)
16
Charge port
17
Low pressure sensor
18
Gas-liquid separator
19
Muffler
20
Heat exchanger
21
Legend
Main exchanger pipe temperature
T3
sensor
T4
Outdoor ambient temperature sensor
Liquid stop valve inlet temperature
T5
sensor
Microchannel heat exchanger inlet
T6A
temperature sensor
Microchannel heat exchanger outlet
T6B
temperature sensor
Discharge temperature sensor
T7C1/T7C2
Suction temperature sensor
T71/T72
T8
Condenser inlet temperature sensor
Condenser outlet temperature sensor
TL
Gas pipe temperature sensor
Tg
Electric control box chamber
Tb
temperature sensor
Tg
10
8
MHE
12
EEVC
T5
11
V.1