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RTH3100C
17
Setup
8
9
Press to change setting.
When finished, press
to advance to the next
function.
Press the t button to select your emergency
heating system and optimize its operation:
9 For electric furnaces
1 For steam or gravity systems
3 For hot water systems & furnaces of over 90%
efficiency
5 For gas or oil furnaces of less than 90%
efficiency
Function 8: Emergency heat cycle rate