Instruction/ maintenance manual of the product T8524C Honeywell
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X-XX UL INST ALLA TION INSTRUCTIONS ®U.S. Registered Trademark Copyright © 1997 Honeywell Inc. • • All Rights Reserved T8524C,D Multistage Microelectronic Thermostats APPLICA TION The T8524C, D Multistage Microelectronic Thermostat provides electronic control of 24 Vac two-stage heating and two- stage cooling systems.
69-1055—1 2 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS Fig. 1. Typical location of thermostat. Fig. 2. Mounting the wallplate. 2. Use a pencil to mark the mounting holes. See Fig. 2. 3. Remove the wallplate from the wall and drill two 3/16 inch holes in the wall (if drywall) as marked.
69-1055-1 3 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS Fig. 3. Typical hookup of T8524 in a multistage heating and cooling system. Fig. 4. Proper wiring technique. Mounting Thermostat 1. Engage tabs at the top of the thermostat and wallplate.
69-1055—1 4 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS A combination of key presses are required to use the Installer Setup feature. — To enter the Installer Setup mode, press and hold the Information i key with the increase ▲ and decrease ▼ keys until the first number is displayed.
69-1055-1 5 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS Table 2. Thermostat Installer Setup Options. a Available on select models. b Installer Setup Number 02 must be set to 01 to extend fan operation.
69-1055—1 6 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS Installer Setup Number (Press i key Factory-Setting Other Choices (Press ▲ or ▼ key to change) Actual Select to change) Display De.
69-1055-1 7 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS a System fan is energized only if set for electric heat. Thermostat Information 1. Press the Information i key to access the thermostat information. Table 4. Installer System Test Options.
69-1055—1 8 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS 3. Press the increase ▲ key again to display the software identification code. (Example: 02 = software ID code 2) M6791 M4866 M4867 4. Press the increase ▲ key again to display the software revision number.
69-1055-1 9 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS Symptom Possible Cause Action Heating will not come on. No power to the thermostat. • Check that C terminal is connected to the system transformer. • Check for 24 Vac between C and R or RH terminals.
69-1055—1 10 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS.
69-1055-1 11 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS.
69-1055—1 12 T8524C,D MUL TIST AGE MICROELECTRONIC THERMOST A TS Home and Building Control Honeywell Limited-Honeywell Limitée 155 Gordon Baker Road North York, Ontario M2H 3N7 Home and Building Control Honeywell Inc. Honeywell Plaza P.O. Box 524 Minneapolis, MN 55408-0524 69-1055—1 J.
An important point after buying a device Honeywell T8524C (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 T8524C 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 T8524C - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell T8524C you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell T8524C will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell T8524C, 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 T8524C.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell T8524C. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell T8524C 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
