Operator: Save these instructions for future use!
Operator: Save these instructions for future use!
Operator: Save these instructions for future use!
Operator: Save these instructions for future use!
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
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
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
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.
INJURY AND/OR PROPERTY DAMAGE.
INJURY AND/OR PROPERTY DAMAGE.
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 dam-
To prevent electrical shock and/or equipment dam-
To prevent electrical shock and/or equipment dam-
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
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.
or circuit breaker box until installation is complete.
or circuit breaker box until installation is complete.
or 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
label each wire with the terminal designation.
label each wire
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
wires still attached
wires
wires
wires
still attached, remove wall plate from the wall. If
still attached
still attached
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
DO NOT LET WIRES FALL BACK INTO THE
DO NOT LET WIRES FALL BACK INTO THE
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
WALL
WALL
WALL.
WALL
WALL
6. Install new thermostat using the following procedures.
White-Rodgers is a division
With
With
With
With
of Emerson Electric Co.
www.white-rodgers.com
1F88-270
1F88-270 T T T T T hr hr hr hr hru -279
1F88-270
1F88-270
1F88-270
Heating & Air Conditioning
5-1-1 Programmable/Non-programmable, Auto
Changeover, Multi-Stage/Heat Pump Thermostat
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
Assemble tools required as shown below.
1F88
1F88
1F88
1F88
1F88
Yes
Yes
Yes
Yes
Yes
HAND OR POWER
DRILL WITH 3/16 INCH
Yes
DRILL BIT, IF NEEDED
Yes
Yes
Yes
Yes
No
REMOVING OLD THERMOSTAT
REMOVING OLD THERMOSTAT
REMOVING OLD THERMOSTAT
REMOVING OLD THERMOSTAT
REMOVING OLD THERMOSTAT
MOUNTING
HOLE
Figure 1 – Thermostat base
Figure 1 – Thermostat base
Figure 1 – Thermostat base
Figure 1 – Thermostat base
Figure 1 – Thermostat base
ATTENTION! This product does not contain mercury. How-
ATTENTION!
ATTENTION!
ATTENTION!
ATTENTION!
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 return to White-Rodgers at 2895 Harrison
Street, Batesville, AR 72501 for proper disposal.
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u -279
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PREPARATIONS
PREPARATIONS
PREPARATIONS
PREPARATIONS
PREPARATIONS
FLAT BLADE SCREWDRIVER
WIRE CUTTER/STRIPPER
SPIRIT LEVEL OR PLUMB BOB AND LINE OPTIONAL—
THERMOSTAT DOES NOT NEED TO BE LEVEL TO WORK PROPERLY
ELEC/GAS SWITCH
PART NO. 37-6588F
PART NO. 37-6588F
PART NO. 37-6588F
PART NO. 37-6588F
PART NO. 37-6588F
Replaces 37-6588E
RC/PS
SWITCH
MOUNTING
HOLE
CM/NO CM
SWITCH
not
not
not
not
0549
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