Indoor Unit SiUS121827E
44 Part 3 Printed Circuit Board Connector Wiring Diagram
Display/Signal
Receiver PCB
(A2P)
LED 1 does not function.
The symbols in the parenthesis are the names on the appropriate wiring diagram.
1) S1 Connector for control PCB (A1P)
2) SW1 (S1W) Indoor unit ON/OFF switch
3) LED2 (H2P) LED for timer (yellow)
4) LED3 (H3P) LED for operation (green)
5) RTH1 (R1T) Room temperature thermistor
S1
LED3
LED2
SW1
2P084375-1
RTH1
LED1
1