Willis WST18MC16S - Page 17

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Up&down swing
terminal
PG feedback
terminal
Jumper cap
PG motor terminal
Piezoresistor
Fan capacitor
Protective
tube
Neutral line
connects the
terminal of
copper pin
Auxiliary relay K1, K2
Supply power for
outdoor unit's
control relay K4
Connect to the
copper pin of
communication
line of outdoor
unit
Filter SF2022A-05220
Rectifier DB1
High-frequency
transformer T1
Connect the terminal of diaplay
board DISP1, DISP2
Ambient
temperature
sensor terminal
Tube temperature
sensor terminal
Health relay K3