Honeywell T8775A manual

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Table of contents for the manual

  • Page 1

    PRODUCT DATA 68-0279 ® U.S. Registered Trademark • Patents Pending Copyright © 2004 Honeyw ell International Inc. All Rights Reserved T8775A,C The Digital Round ™ Non-Programmable Thermostats APPLICATION The T8775A and T8775C Thermostats provide single-stage, non-programmable temperature control for 24 V ac systems with manual changeover from[...]

  • Page 2

    T8775A,C THE DIGITAL ROUND ™ NON-PROGRAMMABLE THERMOST ATS 68-0279 2 ORDERING INFORMATION When purchasing replacement and modernizat io n products from your TRADELINE® whol esaler or distributor , refe r to the TRADELINE® Catalog or price sheets for complete ordering number . If you have additional questions, need further information, or w oul [...]

  • Page 3

    T8775A,C THE D IGITAL ROUND ™ NON-PROGRAMMABLE THERMOSTATS 3 68-0279 INSTALLATION Fig. 2. T ypica l the rmostat location. Separate Wallplate from Thermostat 1. Place your thumbs on top of the thermostat and wall- plate. Use your thumbs to pull the thermostat away from the wallplate. See Fig. 3. Fig. 3. Sep arate wallplate from thermost at. Mount [...]

  • Page 4

    T8775A,C THE DIGITAL ROUND ™ NON-PROGRAMMABLE THERMOST ATS 68-0279 4 4. T ap the provided wall anchors into the drilled hole s until they are flush with the wall. 5. Pull the thermostat wires through the wiring hole on the wallplate and reposition th e wallplate over the wall anchors. 6. Attach the wallplate to the wall with the screws pro- vided[...]

  • Page 5

    T8775A,C THE D IGITAL ROUND ™ NON-PROGRAMMABLE THERMOSTATS 5 68-0279 Fig. 10. T ypi cal hookup of T8775C in heat-cool system with two transformers. Fig. 1 1. T yp i cal hookup of T8775C in single-st age heat pump system. CUSTOMIZE THERMOSTAT Setting Fuel Switch (T8775C only) The fuel switch is preset at th e fa ctory in the F position. See Fig. 1[...]

  • Page 6

    T8775A,C THE DIGITAL ROUND ™ NON-PROGRAMMABLE THERMOST ATS 68-0279 6 Fahrenheit/Celsius Indication Use DIP switch 3 t o set the de sired temperatu re indication. See T able 2. T able 2. T emperature Indication. Mount Thermostat to Wall plate (see Fig. 14) Fig. 14. Moun t thermo stat to wallplate. SET SYSTEM AND FAN SWITCHES (T8775C ONLY) SYSTEM S[...]

  • Page 7

    T8775A,C THE D IGITAL ROUND ™ NON-PROGRAMMABLE THERMOSTATS 7 68-0279 Fig. 18. Room temperatur e display . Adjust Temperature Setpoint T urn the dial clockwise to raise the temp erature setpoint. Turn the dial counterclockwise to lower the temperatu re setpoint (see Fig. 16). Power Stealing The T8775 thermostat steals power from R and W or Rc and [...]

  • Page 8

    Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. 68-0279 J.S. 4-04 www .honeywell.co m/yourhome T8775A,C THE DIGITAL ROUND ™ NON-PROGRAMMABLE THERMOST ATS Automation and Control Solutions Honeywell International Inc. Hone ywell Limited -Honeywell L imitée 1985 Douglas Drive North 35 Dynamic Drive Golden Val[...]