Parameter point check table
2
TROUBLESHOOTING
1. Top discharge outdoor unit
For 18S-EHV*24WD2V, 18S-EHV*36WD2V
Function description for the corresponding position:
No.
Content
No.
Content
1
Compressor wiring terminal
12
High/Low pressure switch ports
2
DC fan motor wiring terminal
13
AC fan motor wiring terminal
3
Transformer
14
Four-way valve control port
4
Outdoor display board wiring terminal
15
Crankcase Heating zone control terminal
5
Reserved
16
Chassis Electric Heater control terminal
6
24V wire controller interface
17
Solenoid valve2 control terminal
7
EXV drive port
18
Power supply connecting terminal
8
Exhaust temperature sensor port(T5)
19
Power supply connecting terminal
9
Outdoor ambient temperature sensor port(T4)
20/21
Relay
10
Condenser temperature sensor port(T3)
22
Inductor wiring terminal 1
11
Pressure sensors ports
23
Inductor wiring terminal 2