Fan operation settings
TH2110DH/TH1110DH 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 2 tabs at the top of the wall-
plate with corresponding slots on the
back of the thermostat, then push gen-
tly until the thermostat snaps in place.
W/
Not
Aux
Used
Heat Off Cool
Push excess wire
back into the wall
opening.
Plug wall opening
with non-flammable
insulation.
Fan
Auto On
M32705
5
PRO TH2000DH/TH1000DH Series
XXXX
GAS OR OIL
ELECTRIC OR HEAT PUMP
GAS OR OIL
ELECTRIC OR HEAT PUMP
W/
Not
Aux
Used
Heat Off Cool
69-2609EFS—03
M32818
Fan
Auto On
M32757