MXS Service Manual
Table Of Contents
Indoor Unit SiUS121736EA
33 Printed Circuit Board Connector Wiring Diagram
Display/Signal
Receiver PCB
(A2P)
LED 1 does not function.
Note: 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 button
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
1