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7-14
PCB and Functions
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2. Indoor Unit Control PCB Switches and Functions
OPTION
(CN014)
6P (white): Outputs external signals as shown in the fi gure below.
OPTION
(white)
Indoor unit control PCB (CR1)
DC 12V
Relay (DC 12V, field supply) (Note)
Fan signal
Heat start signal
Cool start signal
Thermostat signal
Defrost signal
Note: The relay must be installed at a distance of 6.6ft or less from the PCB.
TD831139̲Sec7̲p01-14.indd 14
TD831139̲Sec7̲p01-14.indd 14
2008/04/09 22:17:27
2008/04/09 22:17:27