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White Rodgers 1F89-211 Installation And Operation Instructions Manual
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White Rodgers 1F89-211 Installation And Operation Instructions Manual

Non-programmable electronic digital heat pump thermostat
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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 Digital Thermostat uses the
technology of a solid-state microcomputer to provide precise
temperature control.
Features:
• Simultaneous heat and cool setpoint storage
• Setpoint storage in case of power loss
• Pre-set temperature control
• LCD continuously displays setpoint and room temperature
This thermostat is intended for use with a low voltage system; do
not use this thermostat with a 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.
CAUTION
!
To prevent electrical shock and/or equipment dam-
age, disconnect electric power to system at main fuse
or circuit breaker box until installation is complete.
ELECTRICAL DATA
Electrical Rating:
20 to 30 VAC 50/60 Hz. or D.C.
0.05 to 1.0 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:
-4 F to 149 F
WHITE-RODGERS
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
www.white-rodgers.com
Non-programmable Electronic Digital
Heat Pump Thermostat
OPERATION INSTRUCTIONS
• Continuous Backlit display option
•
F/ C convertibility
• Temperature range 45 to 90 F
• R, C, Y, W2, G, O/B, E, and L terminals for single or two-
transformer systems
• Optional "AA" batteries to provide continuous temperature
display during loss of AC power
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.
Thermostat installation and all components of the
system shall conform to Class II (current limited) cir-
cuits per the NEC code. Failure to do so could cause a
fire hazard.
APPLICATIONS
For use with:
• Standard heat pump systems with electric, gas or oil Aux
heat with 24 VAC HOT and COMMON available
• Single-stage heat pump systems with no Aux heat with
24 VAC HOT and COMMON available
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.
1F89-211
INSTALLATION AND
DESCRIPTION
PRECAUTIONS
WARNING
!

SPECIFICATIONS

PART NO. 37-6233D
Replaces 37-6233C
0225

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Summary of Contents for White Rodgers 1F89-211

  • Page 1: Specifications

    1F89-211 Non-programmable Electronic Digital Heat Pump Thermostat INSTALLATION AND OPERATION 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 Your new White-Rodgers Digital Thermostat uses the •...

  • Page 2: Remove Old Thermostat

    INSTALLATION REMOVE OLD THERMOSTAT Screw anchors 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 Diagram For Single Transformer Systems

    THERMOSTAT SYSTEM See Note ** SYSTEM Changeover MONITOR Emergency Relay* SWITCH Compressor Relay Relay Relay Contactor (Stage 2) 24 VAC 120 VAC Neutral * 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” position TRANSFORMER ** Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency (Class II current limiting)

  • Page 4: Configuration Menu

    Cooling System Emergency System EMER bypasses the Heat Pump to use the heat source wired to CAUTION terminal E on the thermostat. EMER is typically used when com- To prevent compressor and/or property damage, if the pressor operation is not desired, or you prefer back-up heat only. outdoor temperature is below 50 F, DO NOT operate 1.

  • Page 5: Setting Thermostat

    2) Select FA or SL (Fast or Slow) Heat Pump stage Cycle higher or lower. Your thermostat was accurately calibrated Rate - The FA setting is used to produce shorter heating at the factory but you have the option to change the display cycles.

  • Page 6: Troubleshooting

    TROUBLESHOOTING Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermostat by pressing the reset button (see fig.1) . If the thermostat has power, has been reset and still does not function correctly contact your heating/cooling service person or place of purchase.