Haier HBU-18HF03 Manual page 198

0010400020 for HCFU-18CF03 indoor unit
SW2
CN8-2
CN8
CHECK
K1
CN6
CN5
CN2
LED1: power lamp;
LED2: running lamp;
LED3: timer lamp;
LED4: compressor lamp.
Wiring diagram and PCB photo
LED4 LED3 LED2
CN7 CN15 CN4
-198-
LED1
CN3 CN9
CN1
N