Main Board - Gree LSQWRF35VM/NaA-M Service Manual

4.3.3 Main board

41
40
42
43
1
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Test Operation, Troubleshooting and Maintenance
39 38 37
36 35
8
3
5
4
7
6
9
10
11
12
System 2 low-pressure switch for heating
System 1 high-pressure switch
System 1 low-pressure switch for heating
External passive contact switch
System 1 low-pressure switch for cooling
System 1 discharge temp. sensor
System 1 defrosting temp. sensor
32
34 33
13
21 22 23
17
14
18
15
19
16
20
Name
Water flow switch
Preserved
Preserved
Anti-freezing temp. sensor
Leaving water temp. sensor
Inlet water temp. sensor
75
30 28
31 29 27
24
25
26