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CONTENTS
Installation Instructions for
Preparations .................................................. 1
Thermostat Details ........................................ 1
Removing Old Thermostat ............................ 1
Heating & Air Conditioning
Mounting and Wiring ..................................... 2
Check Thermostat Operation ........................ 3
1F78H
Configuration Menu ....................................... 4
Programming your Thermostat ..................... 5
5/2 Day Programmab
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REMOVING OLD THERMOSTAT 3 CAUTION ! CONTINUED FROM FIRST PAGE Take care when securing and routing wires so they do ATTENTION! This product does not contain mercury. How- not short to adjacent terminals or rear of thermostat. ever, this product may replace a unit which contains mercury. Personal injury and/or property damage may occur. Do not open mercury cells. If a cell becomes damaged, do not touch any spilled mercury. Wearing non-absorbent gloves, take TERMINAL CROSS REFERENCE CHART up the sp
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MOUNTING AND WIRING 4 CONTINUED FROM SECOND PAGE JUMPER THERMOSTAT WIRE C B O Y G W RC RH THERMOSTAT SYSTEM C B O Y G W RC RH SYSTEM Hot Cooling Fan Heating 24 VAC 120 VAC System Relay System NOTE Fan Heating Neutral For Heat only, Relay System Hot HEATING attach to RH and W TRANSFORMER 24 VAC 120 VAC Neutral Hot TRANSFORMER 24 VAC 120 VAC Neutral Figure 2. Typical wiring diagram for COOLING TRANSFORMER heat only, 4-wire, single transformer systems Figure 5. Typical wiring diagram for JUMPER h
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CHECK THERMOSTAT OPERATION 5 CONTINUED FROM THIRD PAGE Before you begin programming your thermostat, you should be 1 familiar with its features and with the display and the location and 2 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. To replace the cover, line up the cover with the base and press gently until the WHITE-RODGERS cover snaps onto the base. The Thermostat
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Configuration Menu Step Press Button(s) Displayed (Factory Default) Press or to select: Comments 1 PRGM and RUN (FA) SL Select FA or SL (Fast or Slow) heating cycle rate 2 HOLD* d-L (ON) OFF N/A 3 HOLD* E (ON) OFF Select Energy Management Recovery OFF or ON 4 HOLD* LOC (OFF) ON Select compressor lockout OFF or ON 5 HOLD* 0 HI (0) 4 LO to 4 HI Select temperature display adjustment higher or lower 6 HOLD* (F) C Select temperature display to F or C 7 RUN Returns to normal opera
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8. Press PRGM once. “SA SU” (indicating weekend program) PROGRAMMING YOUR THERMOSTAT 7 will appear in the display, along with the start time for the 1st CONTINUED FROM FIFTH PAGE heating period and the currently programmed temperature. 9. Repeat steps 4 through 8 to complete weekend heating 6. Press or until you reach the current day of the week. programming. 7. Press RUN once. The display will show the correct time and 10.When you have completed entering your heating program, room temperatur
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SPECIFICATIONS 8 ELECTRICAL DATA Electrical Rating: THERMAL DATA Setpoint Temperature Range: 20 to 30 VAC 50/60 Hz. 45°F to 90°F (7°C to 32°C) 0.05 to 1.2 Amps (Load per terminal) Operating Ambient Temperature Range: 1.5 Amps Maximum Total Load (All terminals combined) 32°F to 105°F Operating Humidity Range: 0 to 90% RH (non-condensing) Shipping Temperature Range: -40°F to 150°F TROUBLESHOOTING 9 Reset Operation If a voltage spike or static discharge blanks out the display or resets the factory
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TROUBLESHOOTING 9 CONTINUED FROM SEVENTH PAGE Symptom Possible Cause Corrective Action Heat, Cool or Fan Runs Constantly. 1. Possible short in wiring. Check each wire connection to verify they are not 2. Possible short in thermostat. shorted or touching together. No bare wire should 3. Possible short in heat/cool/fan system. stick out from under terminal screws. Try resetting 4. Fan Switch set to Fan On. the thermostat as described below. If the condition persists the manufacturer of your syste
