RTH4300B Programmable Thermostat
About your new thermostat
Press the
t
button to select your heating sys-
tem and optimize its operation:
5
Gas or oil furnace:
Use this setting if you have
a standard gas or oil furnace that is less than
90% efficient.
9
Electric furnace:
Use this setting if you have
any type of electric heating system.
3
Hot water or high-efficiency furnace:
Use
this setting if you have a hot water system or a
gas furnace of greater than 90% efficiency.
1
Gas/oil steam or gravity system:
Use this
setting if you have a steam or gravity heat
system.
5
5
Setup
NOTE:
If Function 5 does not appear,
please turn to the next page to continue.
Function 5: Heating cycle rate
Press to change setting.
When finished, press to
advance to the next
function.