Honeywell RTH3100C Quick Installation Manual page 16

Advanced Installation Guide
About your new thermostat
Function 8: Emergency heat cycle rate
Press the button to select your emergency heating
t
system and optimize its operation:
9 For electric furnaces
1 For steam or gravity systems
For hot water systems & furnaces of over 90%
3
efficiency
5 For gas or oil furnaces of less than 90%
efficiency
MCR29573
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Setup
8
Press to change setting.
When correct setting is selected,
press to display next function.
9
MCR29574
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