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WHITE-RODGERS
Operator: Save these instructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
This low voltage thermostat is designed to provide conve-
nient control of the heating/cooling system. To provide
greater room comfort, the sensitive spiral bimetal is com-
bined with an adjustable heating anticipator and a fixed
cooling anticipator to provide maximum comfort.
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.
All wiring must conform to local and national electrical
codes and ordinances.
CONTENTS
Description ......................................................... 1
Precautions ........................................................ 1
Specifications ..................................................... 2
Installation .......................................................... 2
Electric Heat Furnaces (Single Trans-
former Systems Only)
Operation & Maintenance .................................. 5
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
1F56 Series
Low Voltage Heating/Cooling Thermostats
INSTALLATION INSTRUCTIONS
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 short out terminals on gas valve or pri-
mary control to test. Short or incorrect wiring will
burn out heat anticipator and could cause per-
sonal injury and/or property damage.
Do not use on circuits exceeding 30 volts. Higher
voltage will damage control and could cause
shock or fire hazard.
Printed in U.S.A.
DESCRIPTION
PRECAUTIONS
CAUTION
!
WARNING
!
PART NO. 37-6097A
9916
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Summary of Contents for White Rodgers 1F56 Series
- Page 1 1F56 Series WHITE-RODGERS Low Voltage Heating/Cooling Thermostats INSTALLATION INSTRUCTIONS Operator: Save these instructions for future use! FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE. DESCRIPTION This low voltage thermostat is designed to provide conve- nient control of the heating/cooling system.
- Page 2 ELECTRICAL DATA APPLICATIONS Switch Rating: 24 VAC (30 VAC max.) The 1F56 Series is designed for use with Heating - 0.15 to 1.2 Amps • Standard heating and cooling systems Cooling - 0 to 1.5 Amps • Electric heating and cooling systems Switch Action: SPST - Sealed mercury switch •...
- Page 3 Heat Pump Applications ATTACH SUBBASE TO WALL This subbase WILL NOT provide multi-stage heating or CAUTION cooling operation. For single-stage heat pump applica- tions, install a short jumper wire across terminals W and To prevent electrical shock and/or equipment Y. If the old thermostat has a terminal that is continuously damage, disconnect electric power to system at energized, disconnect the wire from the old thermostat's main fuse or circuit breaker box until installation...
- Page 4 CAUTION NOTE Take care when securing and routing wires so These typical wiring diagrams show only the terminal they do not short to adjacent terminals or rear of identification and wiring hookup. Always refer to wiring thermostat. Personal injury and/or property dam- instructions, provided by equipment manufacturer, for age may occur.
- Page 5 KEEP THIS G RC AREA CLEAR OF WIRES! Factory-installed Red Jumper Wire THERMOSTAT WIRING Factory-installed Field-installed Yellow Jumper Wire Jumper Wire Factory-Installed Jumper Field-Installed Jumper TRANSFORMER Compressor Relay Relay SYSTEM 24 VAC 120 VAC Neutral Terminal energized Terminal energized in cooling in heating Figure 6.
- Page 6 ADJUSTING HEAT ANTICIPATOR 3. Remove thermostat cover. Slip ⁄ ” wrench onto hex nut beneath bimetal. While holding temperature ad- CAUTION justment lever stationary, turn hex nut clockwise until mercury shifts to the right end of the tube (see fig. 10). The adjustable heat anticipator WILL BURN OUT 4.
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