Sanyo SPW-C1155DXHN8 Technical Data & Service Manual page 219

2. Indoor Unit Control PCB Switches and Functions
HU1
(CN079)
OPTION
(CN060)
2P (RED)/Used for Humidifier output.
6P (WHT), Outputs external signals as shown in the figure below.
OPTION
(WHT)
DC 12V
Indoor unit control PCB
Note: The relay must be installed within 2 meters from the PCB.
7-15
PCB and Functions
Relay (DC 12V, field supply) (Note)
Fan signal
Heater signal
Cooler signal
Thermostat signal
Defrost signal
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