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(3) Outdoor main board switch and LED arrangement diagram
No.
Name
No.
Name
Terminating resistance ON/OFF switch (S010)
7
CN075
2
STOP SW (S001)
18
EEPROM
3
Indoor/outdoor communication monitor (D043)
19 CN037 (white)
4
Fuel gas solenoid valve force close switch (S002)
20 CN049 (red) Compressor outlet/inlet pressure sensors
PS1: Inlet, PS2: outlet
5
SET key (S007)
6
DOWN key (S006)
2
CN029 (blue)
7
UP key (S005)
22
CN014 (blue)
8
LEVEL LED (D053)
23
CN016 (black)
9
TEST/WARNING LED (D052)
24
CN062 (green) Hot water outlet temperature
10 HOME key (S004)
25 CN060 (blue) Clutch coil temperature
CN015 (white)
26 CN058 (white) Coolant temperature
2
CN063 (yellow)
27
CN059 (black) Outdoor air temperature
3
CN012 (red)
28 CN055 (blue) Heat exchanger inlet temperature
4
CN011 (black)
29 CN064 (yellow) Clutch 2 coil temperature
15 CN010 (white)
30 CN053 (black) Compressor inlet temperature
16 CN006 (black)
3
CN054 (red) Compressor outlet temperature
31
20
8
17
10
9
7
6
5
24
25
26
27
28
29
30
19
4
18
3
2
1
13
14
15
16
23
22
21
12
11