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Printed in U.S.A.
This wall-mounted, low voltage thermostat maintains
room temperature by controlling the operation of multi-
stage systems. Use this thermostat for applications re-
quiring up to two stages of heat and/or cool. Indicator
lights show the system status. The user will program two
time/temperature settings per 24 hour period. The ther-
mostat stores programs for seven independent days. The
thermostat will store both heating and cooling programs
simultaneously. A 9 volt Energizer
®
battery will maintain
the stored program for approximately one week, if incom-
ing power should fail. If power failure is extensive and the
program is lost, after power restoration, the thermostat
will automatically maintain a factory preprogrammed heat-
ing temperature of 64°F or a cooling temperature of 82°F.
PART NO. 37-5185A
9329
PRECAUTIONS
Operator: Save these instructions for future use!
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
WHITE-RODGERS
1F94-80
Multi-stage Electronic Digital Thermostat
If in doubt about whether your wiring is millivolt, line, or low
voltage, have it inspected by a qualified heating and air
conditioning contractor, electrician, or someone familiar
with basic electricity and wiring.
Do not exceed the specification ratings.
DESCRIPTION
All wiring must conform to local and national electrical
codes and ordinances.
This control is a precision instrument, and should be
handled carefully. Rough handling or distorting compo-
nents could cause the control to malfunction.
To prevent electrical shock and/or equipment
damage, disconnect electric power to system, at
main fuse or circuit breaker box, until installation
is complete.
Do not use on circuits exceeding specified volt-
age. Higher voltage will damage control and
could cause shock or fire hazard.
Do not short out terminals on gas valve or pri-
mary control to test. Short or incorrect wiring will
burn out thermostat and could cause personal
injury and/or property damage.
CAUTION
!
WARNING
!
R
CONTENTS
Description ......................................................... 1
Precautions ........................................................ 1
Specifications ..................................................... 2
Installation.......................................................... 2
New Installation
Select Thermostat Location
Route Wires to Location
Replacement Installation
Remove Old Thermostat
Attach Subbase to Wall
Attach Thermostat to Subbase
Operation ........................................................... 5
System Configuration
Set Option Switches
Check Thermostat Operation
Fan Operation
Heating System
Cooling System
Troubleshooting
INSTALLATION INSTRUCTIONS