Summary of the content on the page No. 1
CONTENTS
Installation Instructions for
Preparations .................................................. 1
Thermostat Details ........................................ 1
Removing Old Thermostat ............................ 1
Heating & Air Conditioning
Mounting and Wiring ..................................... 2
Check Thermostat Operation ........................ 3
MODEL 775
Programming your Thermostat ..................... 4
Specifications ................................................ 6
7 Day Pro
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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 1 familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of 2 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. WHITE-RODGERS 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 Select display backlight OFF or ON 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
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3. Press TIME once. The display window will show the minutes only. PROGRAMMING YOUR THERMOSTAT 7 CONTINUED FROM FIFTH PAGE EXAMPLE: However, you may use the same heating and cooling tempera- tures for consecutive time periods. You can choose start times, 4. Press and hold either or until you reach the correct heating temperatures, and cooling temperatures independently minutes. for each day programs (for example, you may select 5:00 AM and 5. Press TIME once. The display will show the day of
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1. Move the SYSTEM switch to HEAT position. NOTE 2. Press PRGM to view the 1st Monday heating period time and If you are programming your thermostat for the first time, and you temperature. Each time you press PRGM, the next heating want programming for all days of the week to be the same as period time and temperature for Monday will be displayed in Monday’s program, press RUN or HOLD at this point, and sequence. Press HOLD to display Tuesday’s 1st heating proceed to the SELECT COOLING TEMPERAT
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TROUBLESHOOTING 9 CONTINUED FROM SEVENTH PAGE Symptom Possible Cause Corrective Action No Heat (continued) 5. Heating system requires service or Diagonistic: 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