Trane ACONT900AC43UA Service Manual page 139

*UH3 Sequence of Operation
· The communicating comfort control
the indoor temperature and send signals to the IFC
at different stages or turn off so that it can maintain the indoor
temperature at the homeowner's set point.
will continue to monitor
2
to operate
3
Furnace Sequences Of Operation
3
11
4a
10
7
9
6a 6b
5a 5b 5c
4b 4c 4d 4e
8
1
2
GF - A 21