Instruction/ maintenance manual of the product Chronotherm IV T8602C Honeywell
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®U.S. Registered Trademark Copyright © 2001 Honeywell • • All Rights Reserved INST ALLA TION INSTR UCTIONS T8602C Chronotherm ® IV Deluxe Programmable Thermostats APPLICA TION The T8602 Chronotherm® IV Deluxe Programmable Thermostat provides electronic control of 24 Vac single- stage heating and cooling systems.
69-1567 2 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS Fig. 1. Typical location of thermostat. 2. Use a pencil to mark the mounting holes. See Fig. 2. 3. Remove the wallplate from the wall and drill two 4.76 mm (3/16 inch) holes in the wall (if drywall) as marked.
69-1567 3 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS Fig. 3. Typical hookup in heat and cool system with two transformers. Fig. 5. Mounting thermostat on wallplate.
69-1567 4 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS See Fig. 6 for the location of the keys. Fig. 6. T8602C key locations and descriptions. SETTINGS System and Fan Settings The system default setting is Heat and the fan default setting is Auto.
69-1567 5 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS T emperature Settings Refer to Table 2 for the default program. If the daytime energy savings period is not used, press the period key (Leave or Return) until the time is blank. The fan setting feature is available on select thermostat models.
69-1567 6 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS Table 3. Thermostat Installer Setup Options. Installer Setup Number (Press Time ▲ Factory-Setting Other Choices (Press ▲ or ▼ key to change) Actual Select key to change) Display Description Display Description Setting Not used.
69-1567 7 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS IMPORTANT Review the settings to confirm that they match the system. Press Run Program to exit the Installer Setup. The thermostat has saved the Installer Setup changes and initiated a reset in order to operate using the new settings.
69-1567 8 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS Refer to Table 5 for the directions and results of the specific tests. Table 5. Installer System Test Options. NOTE: Press any key and the displayed numbers will change. Press Time ▼ to go to the previous test and Time ▲ to go to the next test.
69-1567 9 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS (continued) CHECK OUT Outdoor T emperature Sensor (Select Models) Allow the outdoor temperature sensor to soak in the outdoor air for a minimum of five minutes before taking a reading.
69-1567 10 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS Troubleshooting Guide (continued) Symptom Possible Cause Action Cooling will not come on. No power to the thermostat. • Check for 24 Vac between R or RC and Y terminals — If missing 24 Vac: — check if the circuit breaker is tripped — reset the circuit breaker.
69-1567 11 T8602C CHRONO THERM ® IV DELUXE PROGRAMMABLE THERMOST A TS.
69-1567 G.H. 8-01 Printed in T aiwan R.O.C. www.honeywell.com/yourhome Home and Building Control Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Scarborough, Ontario M1V 4Z9 Home and Building Co.
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