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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.
Your new White-Rodgers 7-Day Digital Heat Pump Thermostat
uses the technology of a solid-state microcomputer to provide
precise time/temperature control. This thermostat offers you the
flexibility to design heating and cooling programs that fit your
needs.
Features:
• Separate program for each day of the week
• Simultaneous heat and cool program storage
• Preprogrammed temperature control
• Four separate time/temperature settings per 24 hour period
This thermostat is intended for use with a 24 volt system; do not
use this thermostat with a millivolt or line voltage system. If in
doubt about whether your wiring is millivolt, line, or low voltage,
have it inspected by a qualified heating and air conditioning
contractor or electrician.
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 components could cause
the control to malfunction.
ELECTRICAL DATA
Electrical Rating:
20 to 30 VAC 50/60 Hz. or D.C.
0.05 to 1.5 Amps (Load per terminal)
1.5 Amps Maximum Total Load (All terminals combined)
THERMAL DATA
Setpoint Temperature Range:
45 F to 90 F (7 C to 32 C)
Operating Ambient Temperature Range:
32 F to 105 F
Operating Humidity Range:
0 to 90% RH (non-condensing)
Shipping Temperature Range:
-40 F to 150 F
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
Programmable Electronic Digital
OPERATION INSTRUCTIONS
• LCD continuously displays set point, and alternately dis-
plays time and room temperature
• Temperature override until next program period
• Manual program override (HOLD temperature)
• F/ C convertibility
• Temperature range 45 to 90 F
• Eight terminals for single or two-transformer systems
• O/B terminal for heat pump systems
• Armchair Programming Capability
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 voltage.
Higher voltage will damage control and could cause
shock or fire hazard.
Do not short out terminals on gas valve or primary
control to test. Short or incorrect wiring will damage
thermostat and could cause personal injury and/or
property damage.
APPLICATIONS
For use with:
• Heat pump systems with up to two stages heat, one stage
cool
DO NOT USE WITH:
• Millivolt systems
• Systems exceeding 30 VAC and 1.5 amps
• 3-wire zoned hydronic heating systems
Printed in U.S.A.
1F84-51
Heat Pump Thermostat
INSTALLATION AND
DESCRIPTION
PRECAUTIONS
CAUTION
!
WARNING
!
SPECIFICATIONS
PART NO. 37-5739A
Replaces 37-5613C
9637
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Related Manuals for White Rodgers 1F84-51
Summary of Contents for White Rodgers 1F84-51
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Page 1: Specifications
Shipping Temperature Range: -40 F to 150 F WHITE-RODGERS DIVISION EMERSON ELECTRIC CO. 9797 REAVIS ROAD ST. LOUIS, MISSOURI 63123-5398 1F84-51 Programmable Electronic Digital Heat Pump Thermostat INSTALLATION AND OPERATION INSTRUCTIONS • LCD continuously displays set point, and alternately dis- plays time and room temperature •... -
Page 2: Installation
INSTALLATION REMOVE OLD THERMOSTAT 1. Shut off electricity at the main fuse box until installation is complete. Ensure that electrical power is disconnected. 2. Remove the front cover of the old thermostat. With wires 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. -
Page 3: Wiring Diagrams
NOTE The following wiring diagrams show typical terminal identifica- tion and wiring. For proper installation, refer to the original manufacturer's instructions. Changeover Relay* Compressor Contactor * Changeover Relay is energized in COOL when O/B switch is in the “O” position Changeover Relay is energized in HEAT when O/B switch is in the “B”... -
Page 4: Armchair Programming
O/B TERMINAL SWITCH SELECTION The O/B switch on this thermostat is factory set to the “O” position. This will accommodate the majority of heat pump applications, which require the changeover relay to be ener- gized in COOL. If the thermostat you are replacing or the heat pump being installed with this thermostat require the “B”... -
Page 5: Operation
Before you begin programming your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base. To remove the cover, gently pull it straight out from the base. -
Page 6: Programming Your Thermostat
• RESET BUTTON - (see fig. 2) resets the thermostat pro- gram to the factory setting. This button can be used if you do not like the program you have entered or if you wish to start over in the programming procedure. The reset button can also be used to reset the program if the thermostat has been subjected to a voltage spike and the program has become scrambled or frozen. - Page 7 THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING Period 1 Heat Time Temp. Monday Tuesday Wednesday Thursday Friday Saturday Sunday THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING Period 1 Heat Time Temp.
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Page 8: Check Your Programming
temperature for Monday’s 2nd heating/cooling period. 7. Repeat steps 3 through 5 for Monday’s 3rd and 4th heating/ cooling period. Monday’s heating program is now complete. NOTE If you are programming your thermostat for the first time, and you want programming for all days of the week to be the same as Monday’s program, press RUN PRGM at this point, and proceed to the SELECT COOLING TEMPERATURES section (this COPY DAY feature only works the first time you program your...