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Heating Stage 1 Maximum Runtime (2 Stage Furnace)
The stage 1 maximum runtime setting controls the stage time for the heating
terminals W1 and W2. When set to Auto, the Carrier control algorithms decide
when to stage.
Default: Auto
Options: Between 10 and 120 minutes or Auto
On Thermostat:
Select Menu > (hold) Service > Installation Settings > Operating
Thresholds > Heat Configuration > Heating Stage 1 Maximum
Runtime