White Rodgers 1F83-277 User Manual

1F83-277

Heating & Air Conditioning

Non-programmable, Auto Changeover, Multi-Stage/Heat

Pump Thermostat

PART NO. 37-6509A

0405

INSTALLATION INSTRUCTIONS

Operator: Save these instructions for future use!

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL

INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL

INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.

INJURY AND/OR PROPERTY DAMAGE.

PREPARATIONS

REMOVING OLD THERMOSTAT

Description

Heat Pump (No Aux. or Emergency Heat)

Yes

Heat Pump (with Aux. or Emergency Heat)

Yes

Standard Heat & Cooling Systems

Yes

Two Stage Heat & Two Stage Cool

Yes

Standard Heat Only Systems

Yes

Millivolt Heat Only Systems – Floor or Wall Furnaces

Yes

Standard Central Air Conditioning

Yes

Gas or Oil Heat

Yes

Electric Furnace

Yes

Hydronic (Hot Water) Zone Heat – 2 Wires

Yes

Hydronic (Hot Water) Zone Heat – 3 Wires

White-Rodgers is a division

of Emerson Electric Co.

www.white-rodgers.com

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

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

Remove Old Thermostat: A standard heat/cool
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

With

wires

wires still attached

still attached

still attached, remove wall plate from the wall. If

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

WALL

WALL.

6. Install new thermostat using the following procedures.

Assemble tools required as shown below.

YOUR THERMOSTAT REPLACES

To prevent electrical shock and/or equipment dam-

To prevent electrical shock and/or equipment dam-
age, disconnect electric power to system at main fuse

age, disconnect electric power to system at main fuse

age, disconnect electric power to system at main fuse
or circuit breaker box until installation is complete.

or circuit breaker box until installation is complete.

CAUTION

Figure 1 – Thermostat base

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

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 return to White-Rodgers at 2895 Harrison
Street, Batesville, AR 72501 for proper disposal.

HAND OR POWER
DRILL WITH 3/16 INCH
DRILL BIT, IF NEEDED

SPIRIT LEVEL OR PLUMB BOB AND LINE OPTIONAL—

THERMOSTAT DOES NOT NEED TO BE LEVEL TO WORK PROPERLY

FLAT BLADE SCREWDRIVER

WIRE CUTTER/STRIPPER

Mounting
Hole

Elec-Gas
Switch

Mounting
Hole

AUTO

ELEC.

GAS

W2 G

E/W1