Page 2 - T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS; Wallplate Installation; Loosely insert the mounting screws into the holes.; WIRING; CAUTION; Disconnect power before beginning wiring.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1410—2 2 Fig. 1. Typical location of thermostat. Wallplate Installation The thermostat can be mounted horizontally on the wall or on a 2 in. x 4 in. wiring box. Position wallplate horizontally on the wall or on a 2 in. x 4 in. wiring box. 1. ...
Page 3 - system with one transformer.; Mounting Thermostat; Press lower edge of case to close and latch.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 3 69-1410—2 Fig. 4. Typical hookup in heat and cool system with one transformer. Fig. 5. Typical hookup in heat and cool system with two transformers. Fig. 6. Proper wiring technique. Mounting Thermostat 1. Engage tabs at the top of the thermost...
Page 4 - Using Thermostat Keys; SETTINGS; System and Fan Settings; Fan settings control the system fan as follows:
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1410—2 4 Using Thermostat Keys The thermostat keys are used to:• set current day and time,• program times and setpoints for heating and cooling,• temporarily override program temperatures, • display present setting, • configure Installer Setu...
Page 5 - Temperature Settings; INSTALLER SETUP; IMPORTANT; Aux Ht; Em Ht
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 5 69-1410—2 Temperature 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 thermosta...
Page 8 - Setting Current Day and Time; Filter
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1410—2 8 Setting Current Day and Time 1. Press Set Current Day/Time. NOTES: On initial power up or after an extended power loss, 1:00 pm flashes on the display until a key is pressed. 2. Press Day until the current day is displayed. NOTES: Su...
Page 10 - THERMOSTAT INFORMATION; Outdoor Temperature Sensor
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1410—2 10 THERMOSTAT INFORMATION 1. Press the Time ∆ to access the thermostat information. 2. Press the increase ! key to display the production date code. The first two large digits are the month and the third digit is the last digit of the ...
Page 11 - TROUBLESHOOTING GUIDE; Symptom
11 69-1410—2 TROUBLESHOOTING GUIDE Refer to Table 6 for troubleshooting information. Table 6. Troubleshooting Guide. Symptom Possible Cause Action Display does not come on. Thermostat is not being powered • Check that C terminal is connected to the system transformer. • Check for 24 Vac between R an...
Page 12 - Automation and Control Solutions
69-1410—2 G.H. 12-02 www.honeywell.com/yourhome Automation and Control Solutions Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, OntarioM1V 4Z9 a Select models. Cooling does not come on. No power to the thermostat. • Check ...