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WHP18M2A21S
Sensor board
N
. O
1
Gas B/Liquid B/Gas A/Liquid A sensor
Discharge Sensor/ Defrost Sensor /Coil Sensor /Suction Sensor/ Outdoor Sensor
2
High Pressure Switch
3
Liquid C/ Gas C/Liquid D/Gas D sensor (Invalid for 18K)
4
Sensor Signal to Main Board
5
Select Switch Signal to Mainboard to Indoor
6
Communication signal to main board
7
Maintenance board
DIP SWITCH
D
e
s
c
i r
t p
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