Honeywell RTH 3100C - Manual (Page 16)

Advanced Installation Guide
69-2340ES—01 14
About your new thermostat
SETUP
WIRING
ASSIST
ANCE
TROUBLESHOOTING
Setup
8
9
MCR29574
Function 8: Emergency heat cycle rate
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
Press to change setting.
When correct setting is selected,
press to display next function.
MCR29573