Instruction d'utilisation Emerson 1F78H

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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
Specifications ................................................ 5
Non-

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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 1 Before you begin using your thermostat, you should be 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 WHITE-RODGERS cover, line up the cover with the base and press gently until the cover snaps onto the base. FAN SYSTEM The Thermo

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Configuration Menu Step Displayed (Factory Default) Press Button(s) Press or to select: Comments 1 Set system switch System switch must be OFF to configure thermostat to OFF 2 (FA) and SL Select FA or SL (Fast or Slow) heating cycle rate 3 d-L (ON) and OFF N/A 4 LOC (OFF) and ON Select compressor lockout OFF or ON 5 0 HI (0) and 4 LO to 4 HI Select temperature display adjustment higher or lower 6 (F) and C Select temperature display to F or C 7 Move system Returns to norma

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TROUBLESHOOTING 8 Symptom Possible Cause Corrective Action No Cool 1. System Switch not set to Cool. Set System Switch to Cool and lower temp below room temp. 2. Loose connection to thermostat or system. Verify thermostat and system wires are securely attached. 3. Cooling system requires service or Same procedure as diagnostic for No Heat thermostat requires replacement. condition except set the thermostat to Cool and lower the setpoint below the room temperature. There may be up to a five minut