Haier AB422XCBAA Service Manual page 146

lamp 0VDC,6. signal output of power lamp 0VDC, 7. signal output of water pump running lamp 0VDC）
CN14——control external load, auto elevating function （1. signal of door switch close, 2. output of
elevating direction control 0VDC, 3. output of elevating power control 0VDC, 4. power supply 12VDC）
CN15——input signal, detecting water level of float switch （1-3 short circuit is normal, cut off shows
that level exceeds the limitation）.If float switch cuts off or occurs other failure, LED1 will flash 10 times.
CN16——input control, wiring port of central controller: REMOTE（1、RS485-B，2、RS485-A。 ）
CN17——output signal, output signal of failure alarm, control external load, 12V/ALM （1. control output
0VDC, 2. power supply 12VDC）
CN18——output signal (no use)
CN19——control external load, swing 1（1、16VDC，2、0VDC，3、0VDC，4、0VDC，5、0VDC.）
CN20——control external load, swing 2（1、16VDC，2、0VDC，3、0VDC，4、0VDC，5、0VDC.）
CN21——input signal, spring switch, CHECK（1、input signal of earthing, 2. power supply 0VDC）
CN22——short circuit means selecting single split communication type.
CN23——short circuit means selecting multi split communication type.
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