Руководство по эксплуатации Emerson 750

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CONTENTS
Preparations .................................................. 1
Thermostat Details ........................................ 1
Installation Instructions for
Removing Old Thermostat ............................ 1
Mounting and Wiring ..................................... 2
Heating & Cooling
Check Thermostat Operation ........................ 3
Programming your Thermostat ..................... 4
Digital Model 750
Specifications ................................................ 6
5/2 Day Pr

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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 B O Y G W RC RH THERMOSTAT SYSTEM B O Y G W RC RH SYSTEM Hot Cooling Fan Heating 24 VAC 120 VAC System Relay System Fan Heating Neutral Relay System Hot HEATING TRANSFORMER 24 VAC 120 VAC NOTE Neutral For 2-wire Heat only, Hot attach to RH and W TRANSFORMER 24 VAC 120 VAC Neutral Figure 2. Typical wiring diagram for COOLING TRANSFORMER heat only, 3-wire, single transformer systems Figure 5. Typical wiring diagram for JUMPE

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CHECK THERMOSTAT OPERATION 5 CONTINUED FROM THIRD PAGE Before you begin programming your thermostat, you should be familiar with its features and with the display and the location and 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 cover snaps onto the base. The Thermostat Buttons and Switch

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• TEMPERATURE DISPLAY ADJUSTMENT — Your new Entering Your Program thermostat has been accurately set in our factory. However, Follow these steps to enter the heating and cooling programs you if you wish, you may adjust your new thermostat temperature have selected. display to match your old thermostat. This can be accom- plished (within a ±3° range) as follows: Set Current Time and Day 1. Press PRGM and RUN buttons at the same time. 1. Press TIME button once. The display will show the hour only.

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PROGRAMMING YOUR THERMOSTAT 6 CONTINUED FROM FIFTH PAGE 6. Repeat steps 4 and 5 to select the start time and heating Check Your Programming temperature for the 2nd heating program period. Follow these steps to check your thermostat programming one 7. Repeat steps 4 through 6 for the 3rd and 4th heating program final time before beginning thermostat operation. periods. Weekday heating programs are now complete. 1. Move SYSTEM switch to HEAT position. 8. Press PRGM once. “SA SU” (indicating weeken

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TROUBLESHOOTING 8 Symptom Possible Cause Corrective Action No Heat (continued) 5. Heating system requires service or Diagnostic: Set SYSTEM Switch to HEAT and raise thermostat requires replacement. the setpoint above room temperature. Within a few seconds the thermostat should make a soft click sound. This sound usually indicates the thermo- stat is operating properly. If the thermostat does not click, try the reset operation listed above. If the thermostat does not click after being reset conta