This video explains how to switch between wired thermostat control and display panel control on applicable Genuine Comfort GC42E units.
Applicable Models
These instructions apply ONLY to the following model configurations:
- GC42E-07K_-3
- GC42E-09K_-3
- GC42E-12K_-3
- GC42E-15K_-3
Do not use these instructions for other Genuine Comfort models. Confirm your model number on the unit's rating plate before proceeding.
Disconnect Power Before Changing DIP Switches or Wiring
The unit must be powered OFF and unplugged from the wall receptacle before making any changes to the DIP switches or thermostat wiring.
Do not change DIP-switch positions or connect/disconnect thermostat wiring while the unit is connected to power.
DIP Switch Configuration
Before connecting the wired thermostat, set the DIP switches to the positions shown in the image above.
- UP = ON
- DOWN = OFF
Make sure each DIP switch is fully moved into the required position before restoring power.
Wired Thermostat Wiring
Use the wiring diagram below to match the thermostat connections to the appropriate wires from the unit. Confirm each connection is secure and connected to the correct terminal.
Important: Keep the unit unplugged while making the wiring connections.
After all DIP-switch and wiring changes are complete, plug the unit back in and turn it ON.
Video Instructions
The video provides the complete demonstration for switching between:
- Wired thermostat control
- Display panel control
If the unit does not respond correctly after following the video, Submit a Request to Genuine Comfort Support.