3
TROUBLESHOOTING
For 18S-EHV*48WD2V, 18S-EHV*60WD2V
Function description for the corresponding position:
No.
Content
No.
Content
1
Compressor wiring terminal
12
AC fan motor wiring terminal
2
DC fan motor wiring terminal
13
Four-way valve control port
3
Transformer
14
Crankcase Heating zone control terminal
4
Outdoor display board wiring terminal
15
Chassis Electric Heater control terminal
5
24V wire controller interface
16
Solenoid valve control terminal
6
EXV drive port
17
Power supply connecting terminal
7
Exhaust temperature sensor port(T5)
18
Power supply connecting terminal
8
Outdoor ambient temperature sensor port(T4)
19
Relay
9
Condenser temperature sensor port(T3)
20
Relay
10
Pressure sensors ports
21
Inductor wiring terminal 1
11
High/Low pressure switch ports
22
Inductor wiring terminal 2
