Trane TCONT900AC43UA - Page 131

GF - A 13
Furnace Sequences Of Operation
Three-Stage Gas Furnace
The comfort control thermostat will continue to monitor the
indoor temperature and send signals to the IFC to operate at
different stages or go to off so it can maintain the indoor
temperature at the homeowner’s set point.
1
2
3
4a
4e4c 4d4b
5a 5b 5c
6a 6b
7
8
9
10
11
2
3
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