Thermostat Mounting - Honeywell PRO TH4000 Serie Guia De Instalacion

Fan operation settings
TH4110D only:
• Gas or Oil: 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.)
• Electric or Heat Pump:
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 terminal.)
Set fan operation switch.

Thermostat mounting

Align the 4 tabs on the wallplate with
corresponding slots on the back of the
thermostat, then push gently until the
thermostat snaps in place.
Push excess wire back into
the wall opening.
Plug wall opening with
non-flammable insulation.
5
PRO TH4000 Series
MCR29282
MCR29489
69-1928EFS—01