Fan operation settings
TH2110DV/TH1110DV 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 thermostat with the tabs on the
wallplate, then push gently until the ther-
mostat snaps in place.
Push excess wire
back into the wall
opening.
Plug wall opening
with non-flammable
insulation.
NOT
USED
R
C
AUX/
E
Y
C IS OPTIONAL
WITH BATTERIES
G
O
B
Set
77
Set
Hold
Cool
On
Run
PRO TH2000DV/TH1000DV Series
ELECTRIC
OR HEAT PUMP
GAS OR OIL
On
On
Fan
Fan
Auto
Auto
Cool
Off
Heat
E.M. Heat
M34679
5
ELECTRIC
OR HEAT PUMP
GAS OR OIL
M34674
RC
R
C
W
Y
C IS OPTIONAL
WITH BATTERIES
G
O
B
77
Set
Cool
On
69-2800EFS—01
On
Fan
Auto
Cool
Off
Heat
M34676