Instruction/ maintenance manual of the product Chronotherm IV T8601D Honeywell
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® U.S. Regi stered T rademar k Copyright © 20 02 Honeywell • •All Rights Reserved INSTALLATION INSTRUCTIONS 69-1410-2 T8601D Chronotherm® IV Deluxe Programmable Thermostats APPLICATION The T8601 C hronotherm ® IV Deluxe Pr ogrammab le Thermostat provides elec tronic control of 24 V ac single- stage heating and coolin g system s.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERM OSTATS 69-1410—2 2 Fig. 1. T ypical locatio n of thermost at . Wallplate Installation The thermo stat c an be mounte d horizo ntall y on the wall or on a 2 in. x 4 in. wiring b ox. Position wallplate horizont ally on t he wall or on a 2 i n.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 3 69-1410—2 Fig. 4. T ypical hookup in heat and cool system wi th one t ransfor mer . Fig. 5. T ypical hookup in heat and cool system with two transforme rs. Fig. 6. Proper wiring techn ique. Mounting Thermostat 1.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERM OSTATS 69-1410—2 4 Using Thermostat Keys The thermo stat keys are use d to: • set current da y and time, • progr am times an d setpoin ts for he.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 5 69-1410—2 Temperature Settings Refer to T ab le 2 for the de fault program . If the day time energy savings period is not us ed, press th e period key (Leave or Retu rn) until the tim e is blank.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERM OSTATS 69-1410—2 6 T able 3. Thermostat Installer Setup Option s. Select Installer Setup Number (Press Time ! key to chang e) Factory-S etting Other.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 7 69-1410—2 a Number 2 mus t be set to 1 to extend fan operation. IMPORT A NT Review the setting s to confirm th at they match the system.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERM OSTATS 69-1410—2 8 Setting Current Day and T ime 1. Press Set Current Da y/Ti me. NOTES: On init ial power up or after an extended po wer loss, 1:0 0 pm flashe s on the dis play unt il a key is presse d.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS 9 69-1410—2 INSTALLER SELF-TEST Use the Inst aller Self-T est to check the thermost at oper - ation. Refer to T able 4 for a list of the ava ilable self-tests. CAUTION Equipment Damage Haza rd.
T8601D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERM OSTATS 69-1410—2 1 0 THERMOSTAT INFORMATION 1. Press the Time ∆ to access the the rmostat information. 2. Press the increase ! ke y to display the pro duction date code. Th e first two large digits are the m onth and the third digit is the last dig it of the yea r .
1 1 69-1410—2 TROUBLESHOOTING GUIDE Refer to T able 6 for tr oubleshooting in formation. T able 6. T roubleshooting Guide. Symptom Possible Ca use Action Display does not come on. Thermost at is not being powered • Check that C term inal is connected to the system transformer.
69-1410— 2 G .H. 12- 02 www .honeywell.com/yourho me Automation and Control Solutions Honeywe ll Honeyw ell Limited -Honeyw ell Limit ée 1985 Douglas Driv e North 35 Dynamic Drive Golden Vall e y, MN 55422 Scarborough, Ontario M1V 4Z9 a Select models.
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