Panasonic U-72MF1U9 Service Manual page 107

2. Indoor Unit Control PCB
OPTION
(CN014)
6P (white): Outputs external signals as shown in the fi gure below.
OPTION
(white)
DC 12V
Indoor unit control PCB (CR1)
Note: The relay must be installed at a distance of 6.6ft or less from the PCB.
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PCB and Functions
Relay (DC 12V, field supply) (Note)
Fan signal
Heat start signal
Cool start signal
Thermostat signal
Defrost signal
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