Oper
Oper
Opera a a a a tor
Oper
Oper
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BE-
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BE-
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BE-
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BE-
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BE-
FORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PER-
FORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PER-
FORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PER-
FORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PER-
FORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PER-
SONAL INJURY AND/OR PROPERTY DAMAGE.
SONAL INJURY AND/OR PROPERTY DAMAGE.
SONAL INJURY AND/OR PROPERTY DAMAGE.
SONAL INJURY AND/OR PROPERTY DAMAGE.
SONAL INJURY AND/OR PROPERTY DAMAGE.
YOUR THERMOSTAT REPLACES
YOUR THERMOSTAT REPLACES
YOUR THERMOSTAT REPLACES
YOUR THERMOSTAT REPLACES
YOUR THERMOSTAT REPLACES
Description
Description
Description
Description
Description
Heat Pump (No Aux. or Emergency Heat)
Heat Pump (with Aux. or Emergency Heat)
Standard Heat & Cooling Systems
Two Stage Heat & Two Stage Cool
Standard Heat Only Systems
Millivolt Heat Only Systems – Floor or Wall Furnaces
Standard Central Air Conditioning
Gas or Oil Heat
Electric Furnace
Hydronic (Hot Water) Zone Heat – 2 Wires
Hydronic (Hot Water) Zone Heat – 3 Wires
CAUTION
!
To prevent electrical shock and/or equipment damage,
To prevent electrical shock and/or equipment damage,
To prevent electrical shock and/or equipment damage,
To prevent electrical shock and/or equipment damage,
To prevent electrical shock and/or equipment damage,
disconnect electric power to system at main fuse or
disconnect electric power to system at main fuse or
disconnect electric power to system at main fuse or
disconnect electric power to system at main fuse or
disconnect electric power to system at main fuse or
circuit breaker box until installation is complete.
circuit breaker box until installation is complete.
circuit breaker box until installation is complete.
circuit breaker box until installation is complete.
circuit breaker box until installation is complete.
Before removing wires from old thermostat's switching sub-
base, label each wire
label each wire
label each wire with the terminal designation it was
label each wire
label each wire
removed from.
1. Shut off electricity at the main fuse box until installation is
complete. Ensure that electrical power is disconnected.
2. Remove Old Thermostat
Remove Old Thermostat: A standard heat/cool
Remove Old Thermostat
Remove Old Thermostat
Remove Old Thermostat
thermostat consists of three basic parts:
a. The cover, which may be either a snap-on or
hinge type.
b. The base, which is removed by loosening all
captive screws.
c. The switching subbase, which is removed by
unscrewing the mounting screws that hold it on
the wall or adaptor plate.
3. Remove the front cover of the old thermostat. With
wires still attached
wires
wires
wires
wires
still attached
still attached
still attached, remove wall plate from the wall. If
still attached
the old thermostat has a wall mounting plate, remove the
thermostat and the wall mounting plate as an assembly.
4. Identify each wire attached to the old thermostat.
5. Disconnect the wires from the old thermostat one at a
time. DO NOT LET WIRES FALL BACK INTO THE
DO NOT LET WIRES FALL BACK INTO THE
DO NOT LET WIRES FALL BACK INTO THE
DO NOT LET WIRES FALL BACK INTO THE
DO NOT LET WIRES FALL BACK INTO THE
WALL.
WALL
WALL
WALL
WALL
6. Install new thermostat using the following procedures.
tor
tor: : : : : Sa
tor
Sav v v v v e these instr
Sa
Sa
e these instr
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tor
Sa
e these instructions f
e these instr
1F83-277
1F83-277
1F83-277
1F83-277
1F83-277
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
With
With
With
With
White-Rodgers is a division
of Emerson Electric Co.
www.white-rodgers.com
1F83-277
1F83-277
1F83-277
1F83-277
1F83-277
Heating & Air Conditioning
Non-programmable, Auto Changeover, Multi-Stage/Heat
Pump Thermostat
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
uctions f
uctions f
or futur
or futur
uctions f
uctions for futur
or future use!
or futur
Assemble tools required as shown below.
FLAT BLADE SCREWDRIVER
HAND OR POWER
DRILL WITH 3/16 INCH
DRILL BIT, IF NEEDED
REMO
REMO
REMOVING OLD
REMO
REMO
VING OLD
VING OLD
VING OLD
VING OLD THERMOST
Mounting
Hole
Figure 1 – Thermostat base
Figure 1 – Thermostat base
Figure 1 – Thermostat base
Figure 1 – Thermostat base
Figure 1 – Thermostat base
ATTENTION!
ATTENTION!
ATTENTION!
ATTENTION!
ATTENTION! This product does not contain mercury. How-
ever, this product may replace a unit which contains mercury.
Do not open mercury cells. If a cell becomes damaged, do not
touch any spilled mercury. Wearing non-absorbent gloves,
clean up the spilled mercury and place into a container which
can be sealed. If a cell becomes damaged, the unit should be
discarded.
Mercury must not be discarded in household trash. When the
unit this product is replacing is to be discarded, place in a
suitable container and refer to www.white-rodgers.com for the
location to send product containing mercury.
e use!
e use!
e use!
e use!
PREP
PREP
ARA
ARA
TIONS
TIONS
PREPARA
PREP
PREP
ARATIONS
ARA
TIONS
TIONS
WIRE CUTTER/STRIPPER
THERMOST
THERMOST
THERMOST
THERMOSTA A A A A T T T T T
Y2
C
R
E/W1
Y1
O
B
L W2 G
Mounting
Hole
ELEC.
GAS
Elec-Gas
Switch
ON
AUTO
PART NO. 37-6509E
PART NO. 37-6509E
PART NO. 37-6509E
PART NO. 37-6509E
PART NO. 37-6509E
Replaces 37-6509D
not
not
not
not
0818