GF - A 21
Furnace Sequences Of Operation
*UH3 Sequence of Operation
1
2
3
4a
4e4c 4d4b
5a 5b
7
9
10
8
5c
11
6a 6b
· The communicating comfort control will continue to monitor
the indoor temperature and send signals to the IFC to operate
at different stages or turn off so that it can maintain the indoor
temperature at the homeowner’s set point.
2
3
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