Haier H-MRV Series Service Manual page 159

Ports function of AE*FCBKA
functions
No
CN1 to outdoor communication terminal block
1
CN3 to primary side of transformer
2
CN4 to negative ion generator or high-voltage dust collector
3
CN5 gas/liquid temp. sensor port
4
CN6 electronic expansion valve port
5
CN7 pump motor port
6
CN8 secondary side of transformer
7
CN9 water temp. sensor port
8
CN10 to indoor fan motor
9
CN11 float switch
10
CN12 swing motor
11
CN13 to remote receive board
12
CN14 to wired controller
13
CN15 the short-circuit port
14
CN16 series communication port
15
CN17 the short-circuit port
16
CN18 neutral wire of terminal block
17
CN19 to fuse of auxiliary heater
18
CN20 live wire of terminal block
19
CN22 to auxiliary heater
20
CN23 built-in electronic expansion vale short-circuit port
21
CN24 to room temp. sensor
22
CN25 communication port of EEV box
23
LED1 indicator (power-green)
24
LED2 indicator (timer-yellow)
25
LED3 indicator (run-red)
26
RL1 auxiliary heating relay
27
RL2 swing motor relay
28
RL3 pump motor relay
29
RL4 healthy function module relay
30
RL5 high speed control relay of indoor motor
31
RL6 mid speed control relay of indoor motor
32
RL7 low speed control relay of indoor motor
33
SW1 emergency switch (ON/OFF)
34
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