Instruction d'utilisation White Rodgers 1F79

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Mounting
hole
CONTENTS
Installation Instructions for
Preparations .................................................. 1
Thermostat Details ........................................ 1
Removing Old Thermostat ......................... 1-2
Heating & Air Conditioning
Mounting and Wiring .................................. 2-3
Check Thermostat Operation ..................... 4-5
1F79
Specifications ................................................ 5
Troubleshooting .......................................

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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 up the spilled mercury and place into a

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MOUNTING AND WIRING 4 CONTINUED FROM SECOND PAGE THERMOSTAT O/B Y G W2 E C L R SYSTEM See Note ** SYSTEM Changeover MONITOR Fan Emergency SWITCH Relay* Aux Compressor Relay Relay Relay Contactor (Stage 2) Hot 24 VAC 120 VAC Neutral * Changeover Relay is energized in COOL when O/B switch is in the “O” position TRANSFORMER Changeover Relay is energized in HEAT when O/B switch is in the “B” position (Class II) ** Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency Figu

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Cooling System CHECK THERMOSTAT OPERATION 5 1. Move SYSTEM switch to COOL position. NOTE 2. Press to adjust thermostat setting below room tempera- ture. The blower should come on immediately on high speed, To prevent static discharge problems, touch side of ther- followed by cold air circulation. mostat to release static build-up before touching any keys. 3. Press to adjust temperature setting above room tem- If at any time during testing your system does not operate perature. The cooling syst

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5 CHECK THERMOSTAT OPERATION Configuration Menu Step Press Button(s) Displayed Press or CONTINUED FROM FOURTH PAGE (Factory Default) to select: Set SYSTEM 9 1 Displays currently programmed set temperature (this is blank switch to OFF when SYSTEM switch is in the OFF position). and FA 2 OFF for at least 2 seconds (ON) 10 “BATT” is displayed when 2 “AAA” batteries are low and and CL 3 ON should be replaced. momentarily (OFF) and 0 HI 3 LO TO 4 Configuration Menu momentarily (0) 3 HI The co

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TROUBLESHOOTING 7 CONTINUED FROM FIFTH PAGE Symptom Possible Cause Corrective Action No Heat 1. Pilot light not lit. Re-light pilot. 2. System Switch not set to HEAT. Set System Switch to HEAT and raise setpoint above room temperature. 3. Loose connection to thermostat or system. Verify thermostat and system wires are securely attached. 4. Furnace Lock-Out Condition. Heat may also Many furnaces have safety devices that shut be intermittent. down when a lock-out condition occurs. If the heat work