Honeywell T8631A manual

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Table of contents for the manual

  • Page 1

    T8631A,R Communicating Chronotherm III Thermostats J.H . • Rev. 3-93 • © Honeywell Inc. 1993 • Form Number 69-0689—2 Application T8631A,R can be connected to Honeywell's TotalHome system for external access and control. TotalHome system devices communicate using HBus, a Honeywell communi- cations protocol. These thermostats, powered d[...]

  • Page 2

    Disconnect power before wiring to prevent electrical shock or equipment damage. The shape of the terminal barrier permits insertion of straight or conventional wraparound wiring connections. Either method is acceptable. Refer to Figs. 3-5 for typical hookups of subbase and thermostat. NOTE: Keep all wiring restricted to ribbed area surround- ing te[...]

  • Page 3

    Fig. 4—T8631A 1-stage oil heat/1-stage cool. Oil Primary has its own transformer. Fig. 5—T8631R 2-stage heat/1-stage cool thermostat with EM. HT.-HEAT-OFF-COOL system and ON-AUTO fan switching. 3 69-0689—2 W2 AUTO ON FAN SWITCH O W1 CHANGEOVER RELAY (COOL) C MONITOR G FAN RELAY SYSTEM SWITCH R CHANGEOVER RELAY (HEAT) L2 L1 (HOT) POWER SUPPLY [...]

  • Page 4

    4 Fig. 6—Keep wiring restricted to ribbed area surrounding terminals. FOR STRAIGHT INSERTION – STRIP 5/16 in. [8 mm] FOR WRAPAROUND – STRIP 7/16 in. [11 mm] RESTRICT WIRING TO THIS AREA WIRING TO BE BELOW THIS SURFACE TOP SURFACE OF SUBBASE FRONT VIEW OF TERMINAL AREA CROSS-SECTIONAL VIEW OF TERMINAL AREA M3062 Fig. 7 — T8631R cycle rate ad[...]

  • Page 5

    When the batteries are low, the display will flash REPL BAT. REPL BAT indication will disappear when thermo- stat is mounted back on the powered subbase with fresh batteries. This may take up to 15 minutes to occur. If batteries are completely dead, the display will go blank when the thermostat is removed from subbase. MOUNTING THE THERMOSTAT With [...]

  • Page 6

    Move the system switch to COOL and the fan switch to AUTO. Press COOLER key until th e setting is about 10 ° F [6 ° C] below room temperature. The cooling equip- ment and fan should start. Press WARMER key until the setting is about 10 ° F [6 ° C] above room temperature. The cooling equipment and fan should stop. FAN Move the system switch to O[...]

  • Page 7

    Third System Switch Digit Position 0 OFF 1 COOL 2 HEAT 4 EM.HT. c If the system switch is in HEAT, the following se- quence will occur: Fourth Digit: Not used. CAUTION Do NOT operate heating until heat pump warmup procedure is followed. Refer to manufacturer’s recommendations. T8631A: First press—1st stage heating and SYSTEM LED on. Second pres[...]

  • Page 8

    Home and Building Control Home and Building Control Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, Minnesota 55422 Scarborough, Ontario M1P 2V9 Printed in Taiwan R.O.C .[...]