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6.3.3.8. Furnace G Terminal
This setup option selects desired operation when the R-G circuit changes state on the furnace
control board depending on setup.
Under the function option, FAN turns on fan to selected fan speed when G terminal is
energized. SHUTDOWN shuts off fan and equipment when initiated.
After the selections are made, touch SAVE.
• Function: Disabled, Fan or Shutdown. Default = Disabled
• Fan Speed: Low, Med, or High. Default = Low
• Shutdown:
– Normally Open
– Normally Closed
– The shutdown function may not be immediate. Blower off delays, etc., will still be used.
The shutdown is not intended for commercial applications. If immediate shutdown is
required, provision must be made to remove power to indoor unit.
6.3.3.9. Furnace G-Terminal Alert
Use the alert function to select the contact state for an alert. Select Normally Open or
Normally Closed, and then save your selection.
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Shutdown: This setup option selects the change of state required for shutdown. Select
Normally Open or Normally Closed, and then save your selection.
6.3.3.10. Furnace G Terminal Alert Label
Once the G Terminal Alert label has been entered, it is shown both on the main screen and in the
notification email when the alert becomes active.
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