Instruction/ maintenance manual of the product T8631A Honeywell
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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.
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.
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.
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.
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.
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.
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.
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.
An important point after buying a device Honeywell T8631A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell T8631A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell T8631A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell T8631A you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell T8631A will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell T8631A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell T8631A.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell T8631A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell T8631A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
