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Honeywell T8665A manual

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Table of contents for the manual

  • Page 1

    ® U.S. Regi stered T rademar k Copyright © 20 02 Honeywell • • All Rights Reserv ed INSTALLATION INSTRUCTIONS 69-1535-3 T8665A Chronotherm ® IV Deluxe Programmable Wireless Thermostat APPLICATION The T8665 C hronotherm ® IV Wireless T hermostat provides electro nic control of 24 V ac heating and cooling systems. It must be used with a W 866[...]

  • Page 2

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT 69-1535-3 2 Fig. 1. T ypical thermost at l ocation. Fig. 2. Mounting the wallplate. Mounting Thermost at 1. Engage t abs at the t op of the th ermost at and wall - plate. See F ig. 3. 2. Press lower edge of case to close and latch. NOTE: T o remove t he thermo stat fro m the wall , fir[...]

  • Page 3

    T8665A CHRONOTHERM® IV DELU XE PROGRAMMABLE WIRELESS THERMOSTAT 3 69-1535-3 Using Thermosta t Keys The thermo stat k eys are use d to: • se t curren t day and ti me. • pro gram tim es and setp oints for heati ng and coo ling. • tem porari ly overrid e program tempera tures • display present setting , • con figure I nstall er Setup, • c[...]

  • Page 4

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT 69-1535-3 4 5. Attac h the zone numb er stick ers, incl uded with t he thermostat, onto t he thermostat case on the inside of the thermo stat cover . See Fig. 5. Fig. 5. Zon e sticker s included with T866 5A Thermostat. SETTINGS System and Fan Settings The system de fault setting is He[...]

  • Page 5

    T8665A CHRONOTHERM® IV DELU XE PROGRAMMABLE WIRELESS THERMOSTAT 5 69-1535-3 INSTALLER SETUP NOTE: For most applications , the thermostat fa ctory- settings do not need to be ch anged. Review the factory default settings in T able 3 a nd, if no changes are n ecessary , go to the Installer Self- T est section. The Installer Setup is used to cus tomi[...]

  • Page 6

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT 69-1535-3 6 T a ble 3. Th ermostat Installer Setup Op tions. Select Installer Setup Number (Press Time V key to change) Factory Set ting Other Choices (Press V or W key to change) Actual Setting Display Descrip tion Displa y Descripti on Not used 1 — — — — — Fan operation a 2[...]

  • Page 7

    T8665A CHRONOTHERM® IV DELU XE PROGRAMMABLE WIRELESS THERMOSTAT 7 69-1535-3 a Number 2 must b e set to 1 to e xtend fan ope ration. IMPORTANT Review the setting s to confirm th ey match the system. Press Run Program to exit th e Installer Setup. The th ermostat has saved the Iinstaller Setup chan ges and ini tiated a reset to op erate using the ne[...]

  • Page 8

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT 69-1535-3 8 Setting Current D ay and Time 1. Press Set Current Da y/Ti me. NOTE: On initial p owerup or after an extended powe r loss, 1:0 0 pm flashe s on the dis play unt il a key is presse d. 2. Press Day until the cu rrent day is disp layed. NOTE: S un=Sunday , Mon=Monday, Tue=T ue[...]

  • Page 9

    T8665A CHRONOTHERM® IV DELU XE PROGRAMMABLE WIRELESS THERMOSTAT 9 69-1535-3 INSTALLER SYSTEM TEST Use the Installer System T e st to check the thermostat operation. Refer to T abl e 4 for a list of the available Installer System T ests. CAUTION Equipment Damag e Hazard. Compressor damage can result if c ompressor is cycled to o quickly . Be aware [...]

  • Page 10

    T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT 69-1535-3 1 0 Thermostat Information 1. Press the Time key to access the thermostat infor- mation. 2. Press the increa se V key to display t he produc- tion date code. T he first two larg e digits are the month and the third digit is the la st digit of the year (exampl e: 027=Febr uary[...]

  • Page 11

    T8665A CHRONOTHERM® IV DELU XE PROGRAMMABLE WIRELESS THERMOSTAT 1 1 69-1535-3 TROUBLESHOOTING GUIDE For trou bleshoot ing, s ee T able 6. T able 6. T roublesh ooting Guide. Symptom Possible Ca use Action Display does not come on. Thermostat is not be ing powered. Check if batterie s are prese nt and in stall ed corr ectly . — If batteries are pr[...]

  • Page 12

    6 9 - 1 5 35 - 3 G . H. Re v . 1 1 - 0 2 P r int e d in U.S.A. w w w .h o n e y well.co m /y o u r h o me T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT Automation and Control Solu tions Honeywell Honeywell Limit ed-Honeywell Limi tée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55 422 Scarborough , Ontario M1V 4Z9 [...]