18-GJ89D1-1D-EN
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Table 18. Humidifier and External Switch
When connecting a humidifier or an external switch to the air handler,
locate the harness(es) in the doc pack. The plug on the harness will
plug into the AHC control board.
The external switches and accessories can be configured through the
Smart Thermostat or the Diagnostics Mobile App.
Note: Accessories can be configured in the UX360 User Interface or
Diagnostics Mobile App in Link communicating mode.
AHC
J14 External Switches
and Humidifier
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