Heating Fan Control - Honeywell RTH6400 Series Quick Installation Manual

Advanced Installation Guide
Function 3: Heating fan control
Press the or
s
and fan operation:
NOTE: If Function 3 does not appear, please turn to the
next page to continue.
3
Done
0 Gas or oil heat: Use this setting if you have a
gas or oil heating system (system controls fan
operation).
1 Electric heat: Use this setting if you have an
electric heating system (thermostat controls fan
operation).
Press to change setting.
When correct setting is
selected, press NEXT to
display next function.
M28351
69-2210EF—03
button to select your heating system
t
16
0
Next
M28353