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69-1626    G.H.   4-02 

www.honeywell.com/yourhome

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Summary of Contents for T8601D

Page 1: ...ully Failure to follow the instructions can damage the product or cause a hazardous condition 2 Check the ratings given in the instructions and on the product to make sure the product is suitable for your application 3 Installer must be a trained experienced service technician 4 After completing installation use these instructions to check out the product operation Location Install the thermostat ...

Page 2: ...illed holes until flush with the wall 4 Position the wallplate over the holes pulling wires through the wiring opening 5 Loosely insert the mounting screws into the holes 6 Tighten mounting screws WIRING All wiring must comply with local electrical codes and ordinances Refer to Fig 3 through 5 for typical hookups A letter code is located near each terminal for identification CAUTION Electrical Haz...

Page 3: ...0353 FAN RELAY Y G THERMOSTAT C HEAT RELAY R W COMPRESSOR CONTACTOR TRANSFORMER B HEAT DAMPER COOL DAMPER O 1 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED CAN BE USED FOR CHANGEOVER VALVE ON SINGLE STAGE HEAT PUMP SYSTEMS AVAILABLE ON SELECT MODELS OT WIRES MUST HAVE A SEPARATE CABLE FROM THE THERMOSTAT CABLE 2 2 2 1 3 OT OT OUTDOOR TEMPERATURE SENSOR 3 L1 HOT L2 M1035...

Page 4: ...ngeover and outdoor temperature display Installer Setup numbers are listed in Table 3 The table includes all the configuration options and the factory settings for the T8601 A combination of key presses are required to use the Installer Setup feature To enter the Installer Setup press and hold the Information i key with the increase and decrease keys until the first number is displayed All display...

Page 5: ...orary Setting Em Ht M14618 INSTALLER SETUP NUMBER DISPLAY COLUMN 2 OF TABLE 3 FACTORY SETTING OR OTHER CHOICE DISPLAY COLUMN 3 OR 5 OF TABLE 3 Table 3 Thermostat Installer Setup Options Select Installer Setup Number Press Time key to change Factory Setting Other Choices Press or key to change Actual Setting Display Description Display Description Not used 1 Fan operationa 2 0 Conventional applicat...

Page 6: ...ssor 33 5 5 minute minimum off time for the compressor 0 thru 4 Minimum number of minutes 0 thru 5 the compressor is off between calls for the compressor Temperature range stops in heating 34 90 Highest setpoint heating can be set to 40 to 89 Temperature range 1 F increments heating setpoint can be set to Temperature range stops in cooling 35 45 Lowest setpoint cooling can be set to 46 to 99 Tempe...

Page 7: ... test Press Run Program to exit the self test M14619 Time Set Program System Fan Run Program Hold Temp Set Current Day Time Set Current Day Time Wake Leave Return Sleep Day Heat Cool Settings Daylight Time Copy Set Day Time Mon PM M14620 Time Set Program System Fan Run Program Hold Temp Set Current Day Time Wake Leave Return Sleep Day Day Heat Cool Settings Daylight Time Copy Set Day Time PM Tue M...

Page 8: ...Example 001 Revision number 1 5 Press the increase key again to display the EEPROM identification code Example 314 EEPROM ID 314 6 Press the Run Program key to exit the self test The self test times out after four minutes without any key presses CHECKOUT Outdoor Temperature Sensor select models Allow the outdoor temperature sensor to soak in the outdoor air for a minimum of five minutes before tak...

Page 9: ...al is connected to the system transformer Check for 24 Vac between R and W terminals If missing 24 Vac check if the circuit breaker is tripped reset the circuit breaker check if the system fuse is blown replace the fuse check if the power switch on the HVAC equipment is in the Off position set to the On position check wiring between thermostat and HVAC equipment replace any broken wires and tighte...

Page 10: ...entional heating equipment turns on the fan when the furnace has warmed up to a setpoint Wait a minute after seeing the on indicator and then check the registers Heating or cooling equipment is not operating Verify operation of heating or cooling equipment in self test Outdoor temperature not displayed a Option not activated Enter Installer Setup number 24 and set to 1 Thermostat must have OT term...

Page 11: ...T8601D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS 11 69 1626 ...

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