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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 thermostat and subbase combination is designed to
control a heat pump system where automatic changeover
is not required. The reversing valve may be energized
when the SYSTEM switch is moved to the HEAT or COOL
position.
The subbase is equipped with EMER HEAT, AUX HEAT,
and CHECK operation indicator lights.
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.
This control is a precision instrument, and should be
handled carefully. Rough handling or distorting compo-
nents could cause the control to malfunction.
ELECTRICAL DATA
Switch Rating:
24 VAC
Stage 1 heat – 0 to 1.2 amp
Stage 2 heat – 0.15 to 1.2 amp
Cooling – 0 to 1.5 amp
Switch Action:
Stage 1 heat & cool – SPDT
Stage 2 heat – SPST (sealed mercury contacts)
Anticipator Rating:
Stage 1 heat – 24 VAC, fixed
Stage 2 heat – 0.15 to 1.2 amp, adjustable
Cooling – 24 VAC, fixed
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
Low Voltage Multi-Stage Heat PumpThermostat
INSTALLATION INSTRUCTIONS
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 primary
control to test. Short or incorrect wiring will burn
out heat anticipator and could cause personal
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.
Circuit: Manual Changeover – Reversing valve may
be energized when the SYSTEM switch is
switched either the HEAT or COOL position
on the subbase (see wiring diagram).
THERMAL DATA
Temperature Range: 50 F to 90 F (10 C to 32 C)
Rated Differential: Stage 1 heat – 1.5 F
DIMENSIONS (INCLUDING SUBBASE):
1
Height 3
⁄
", width 5
4
Printed in U.S.A.
1F58-72
DESCRIPTION
PRECAUTIONS
CAUTION
!
WARNING
!
SPECIFICATIONS
Stage 2 heat – 1 F
Cooling – 1.5 F
3
1
⁄
", depth 2
⁄
"
4
8
PART NO. 37-4046F
Replaces 37-4046E
9414
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Summary of Contents for White Rodgers 1F58-72
-
Page 1: Installation Instructions
Stage 2 heat – 0.15 to 1.2 amp, adjustable Cooling – 24 VAC, fixed WHITE-RODGERS DIVISION EMERSON ELECTRIC CO. 9797 REAVIS ROAD ST. LOUIS, MISSOURI 63123-5398 1F58-72 Low Voltage Multi-Stage Heat PumpThermostat INSTALLATION INSTRUCTIONS CAUTION To prevent electrical shock and/or equipment damage, disconnect electric power to system, at main fuse or circuit breaker box, until installation is complete. -
Page 2: Installation
INSTALLATION SELECT THERMOSTAT LOCATION Proper location insures that the thermostat will provide a comfortable home temperature. Observe the following general rules when selecting a location: 1. Locate thermostat about 5 ft. above the floor. 2. Install thermostat on a partitioning wall, not on an outside wall. -
Page 3: Typical Wiring Diagram
CAUTION To prevent electrical shock and/or equipment damage, disconnect electrical power to system, at main fuse or circuit breaker, until installation is complete. FAN CAUTION To prevent personal injury and/or equipment dam- age, check equipment manufacturer’s wiring of fan relay circuit when in EMER HEAT. When the thermostat system switch is in the EMER HEAT position, the thermostat DOES NOT energize the fan relay when the fan switch is in the AUTO... -
Page 4: Attach Thermostat To Subbase
ATTACH THERMOSTAT TO SUBBASE 1. Remove cover from thermostat base by gripping the base in one hand and with the fingers of the other hand, pull lightly at the top or bottom of the cover. 2. Carefully remove the shipping protective packing from the mercury switches. - Page 5 ADJUSTING STAGE 2 HEAT ANTICIPATOR This thermostat is equipped with two anticipators. The anticipator for stage 1 heat and cool is fixed and does not require any adjustments. The stage 2 anticipator is adjust- able and must be set to the current draw of the component it is controlling.
- Page 6 If you need further information about this product, please write to WHITE-RODGERS DIVISION Emerson Electric Co. 9797 Reavis Road St. Louis, MO 63123-5398 Attn: Technical Service Department...
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