White Rodgers 1F80-24 User Manual

Your new White Rodgers Digital Thermostat uses the technology of a solid-state microcomputer to provide precise time/temperature control. Battery powered with 3 AA batteries, same program for all days, 4 periods. Compatible with single/dual transformer, heat pump, millivolt. Below are the key specifications, installation, operation, programming, and troubleshooting instructions.

1. Preparations 2. Thermostat Details 3. Removing Old Thermostat 4. Mounting and Wiring 4.1 Wiring Diagrams 5. Check Operation 5.1 Fan Operation 5.2 Heating System 5.3 Cooling System 6. Operating Features 7. Programming 8. Specifications 9. Troubleshooting

Preparations

This thermostat is intended for use with a low voltage system; do not use with line voltage. CAUTION! Disconnect power at fuse box until complete. Do not exceed ratings. WARNING! Conform to codes. Do not short terminals. Handle carefully.

Thermostat Details

The thermostat consists of cover and base. Buttons behind door: up/down arrows, SET TIME, VIEW PRGM, RUN PRGM, HOLD TEMP, FAN, SYSTEM.

The Display: Time/temp alternate, set temp, HEAT/COOL, HOLD, BATTERY low indicator.

Removing Old Thermostat

Disconnect power. Remove cover/base. Label/disconnect wires.

Mounting and Wiring

Wiring Diagrams

Figure 3. Typical wiring diagram for heating only, 2-wire

RED jumper RH-RC. For millivolt or single transformer.

Figure 4. Typical wiring diagram for 3-wire SERIES 10 heating systems

Add jumper on primary control.

Figure 5. Typical wiring diagram for heat only, 3-wire

JUMPER WIRE.

Figure 6. Typical wiring diagram for cool only, 3-wire

JUMPER WIRE.

Figure 7. Typical wiring diagram for heat/cool, 4-wire

RED jumper RH-RC.

Figure 8. Typical wiring diagram for heat/cool, 5-wire, two-transformer

JUMPER between RH-RC.

Figure 9. Typical wiring diagram for heat pump with cool active reversing valve

JUMPER RH-RC.

Figure 10. Typical wiring diagram for heat pump with heat active reversing valve

JUMPER RH-RC, two transformers.

Connect wires.
Mount base.
Secure cover.

Check Operation

Contact service if not operating properly.

Fan Operation

FAN ON, blower on.
FAN AUTO, off.

Heating System

SYSTEM HEAT, light pilot.
Adjust above, operates.
Adjust below, stops.

Cooling System

CAUTION: Below 50°F, DO NOT operate. Built-in 5-min delay.

SYSTEM COOL.
Adjust below, blower then cool.
Adjust above, stops.

Operating Features

SIMULTANEOUS PROGRAM STORAGE: Heat and cool together.
TEMPERATURE OVERRIDE: Until next period.
HOLD TEMPERATURE: Indefinite hold.
°F/°C CONVERTIBILITY: Press SET TIME and HOLD TEMP.
12/24-HOUR CLOCK: Press SET TIME and RUN PRGM.
LOW BATTERY: Display BATTERY, replace 3 AA.
TEMPERATURE DISPLAY ADJUSTMENT: ±4° via VIEW PRGM and HOLD TEMP.

Programming

4 periods all days. Guidelines: Cooler when vacant, 30 min lead time.

Factory: Heat 6AM 68F, 8AM 68F, 5PM 68F, 10PM 64F; Cool 6AM 78F, etc.

Set Time: SET TIME, adjust hour/min/AMPM.

Enter Program: VIEW PRGM for periods, adjust time/temp for heat/cool.

RUN PRGM to start.

Period	Time	Heat Temp
1st	6:00 AM	68°F
2nd	8:00 AM	68°F
3rd	5:00 PM	68°F
4th	10:00 PM	64°F

Specifications

Battery Powered: 3 AA Energizer alkaline
Temperature Range: 45° to 90°F
Terminals: RC, RH, W, Y, G, O, B
Programs: 4 periods, same for all days

Troubleshooting

Symptom	Possible Cause	Corrective Action
No Heat/Cool	Fuse blown. Switch OFF.	Replace. Turn ON.
No Heat	Pilot out. Wires loose.	Re-light. Secure.
No Cool	Wires loose. Compressor damage risk below 50°F.	Secure. Avoid cold operation.
Constant Run	Short.	Check wiring.
Fast/Slow Cycles	Location.	Relocate if needed.
Disagree with Thermometer	Calibration.	Adjust display.
Battery Low	Low batteries.	Replace AA.