Fan Operation Settings - Honeywell PRO TH3110D Installation Manual

Installation Guide

Fan operation settings

• G G a a s s o o r r O O i i l l : : For gas or oil heating
systems, leave the fan operation
switch in this factory-set position
(This setting is for systems that
control the fan in a call for heat.)
• E E l l e e c c t t r r i i c c o o r r H H e e a a t t P P u u m m p p : : Change the
switch to this setting for heat
pump or electric heat systems.
(This setting is for systems that
allow the thermostat to control the
fan in a call for heat, if a fan wire is
connected to the G G
terminal.)
Set fan operation switch
6