Instruction/ maintenance manual of the product T8602C Honeywell
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® U.S. Regi stered T rademar k Copyright © 2003 Honeywe ll • • All Rights Reserved INSTALLATION INSTRUCTIONS 69-1670 T8602C Chronotherm ® IV Deluxe Programmable Thermostats APPLICATION The T860.
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1670 2 Fig. 1. T ypical locati on of thermo stat . 1. Position and level the wallplate (fo r appearance only). The the rmostat function s correctly even when not level. 2. Use a pencil to m ark the moun ting holes.
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 3 69-1670 Fig. 4. T ypical hookup in heat and cool sy stem with one trans former . Fig. 5. T ypical hookup in heat and cool sy stem with two tran sformers. Fig. 6. T8602 typic al millivoltage heating circ uit.
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1670 4 Using Thermostat Keys The thermo stat k eys are use d to: • set curr ent day and t ime, • program ti mes and setpoint s for he at.
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 5 69-1670 FAN OPERATION SWITCH The thermostat fa n operation sw itch, labeled F UEL SWITCH in Fig. 1 1 is factory set in the F position . This is the correct setting for most systems. If your sys tem is an electric heat syst em, set the switch to E.
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1670 6 T able 3. Thermost at Inst aller Setup Optio ns. Select Installer Setup Number (Press Tim e ∆ key to change) Factory Se tting Other Choice s (Press or k ey to chang e) Actual Setting Display Descrip tion Display Descriptio n Not Used.
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 7 69-1670 IMPORT ANT Review the setting s to confirm th at they match the system. P ress Run Progra m to exit the Inst aller Setup. The thermos tat ha s saved the Inst aller Setup c hanges and initia ted a reset in order to ope rate using the new settings .
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1670 8 Setting Current D ay and Time 1. Press Set Current Da y/Time. NOTE: On initial p owerup or after an e xtended power loss, 1:0 0 pm flashe s on the dis play unt il a key is pressed. 2. Press Day until the cu rrent day is disp layed.
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 9 69-1670 INSTALLER SYSTEM TEST Use the Installer System T e st to check the thermostat operation. Refer to T able 4 for a list of the availa ble system tests. CAUTION Equipment Damage Hazard. Minimum compressor off-time is byp assed during Installer System T es t.
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 69-1670 10 THERMOSTAT INFORMATION 1. Press the Time ∆ key to access the thermostat information. 2. Press the increase key to d isplay the production date code. Th e first two lar ge digits are the m onth and the third digit is the last dig it of the yea r .
T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 1 1 69-1670 TROUBLESHOOTING GUIDE T able 6. T roubl eshooting Guide. Symptom Possible Ca use Action Display does not come on. Thermostat is not be ing powered. • Check if batter ies are presen t and installed correc tly .
69-1670 G .H. 1-03 www .honeywell.com/yourhome T8602C CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.
An important point after buying a device Honeywell T8602C (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell T8602C yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell T8602C - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell T8602C you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell T8602C will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell T8602C, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell T8602C.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell T8602C. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell T8602C along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
