Instruction/ maintenance manual of the product Chronotherm IV T8600D Honeywell
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® U.S. Regi stered T rademar k Copyright © 2002 Honeywe ll • • All Rights Reserved INSTALLATION INSTRUCTIONS 69-1409-1 T8600D Chronotherm® IV Deluxe Programmable Thermostats APPLICATION The T8600 C hronotherm ® IV Deluxe Pr ogrammab le Thermostat provides elec tronic control of 24 V ac single- stage heating and coo ling systems.
T8600D CHRONOTHERM® IV DEL UXE PROGRAMMABLE THERMOSTATS 69-1409—1 2 Wallplate Installation The ther mostat can be mount ed hori zontal ly on the wall or on a 2 in. x 4 in. (50.8 mm x 101.6 m m) wiring box. Position wallplate h orizontally on the wall o r on a 2 in.
T8600D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTAT S 3 69-1409—1 Fig. 4. T ypical hookup in heat and cool system with on e transfor mers Fig. 5. T ypical hookup in heat and cool system wi th two tran sformer. Fig. 6. Correct wi ring techni que. Mounting Thermosta t 1.
T8600D CHRONOTHERM® IV DEL UXE PROGRAMMABLE THERMOSTATS 69-1409—1 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 h.
T8600D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTAT S 5 69-1409—1 INSTALLER SETUP NOTE: For most ap plication s, the ther mostat factory settings will not re quire changing . Review the factory settings in T able 2 and if n o change s are necessary , go to the Installer S elf-T est section.
T8600D CHRONOTHERM® IV DEL UXE PROGRAMMABLE THERMOSTATS 69-1409—1 6 T able 3. Thermost at Inst alle r Setup Opti ons. Select Installer Setup Number (Press T ime ∆ key to change) Factory Sett ing Other Choi ces (Press or key to change) Actual Setting Display Desc ription Disp lay Description Not used.
T8600D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTAT S 7 69-1409—1 Outdoor temperat ure display (select models) 24 0 No outdoor temperatu re is displayed 1 Outdoor temperatu re is displayed. Needs a C70891000 O utdoor T emperat ure Sensor t o operate.
T8600D CHRONOTHERM® IV DEL UXE PROGRAMMABLE THERMOSTATS 69-1409—1 8 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 .
T8600D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTAT S 9 69-1409—1 NOTE: Y ou can view the number of da ys remain ing at any time by pr essing the i key three or fou r times. If more tha n one timer is active, all active timers sho w sequen tially w hen press ing the i key several times.
T8600D CHRONOTHERM® IV DEL UXE PROGRAMMABLE THERMOSTATS 69-1409—1 1 0 NOTE: Pre ss any key a nd the display ed numbers change. Press Time ∇ to go to the previo us test and T ime ∆ to go to the next test. The Run Program key does not exit this test.
T8600D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTAT S 1 1 69-1409—1 TROUBLESHOOTING GUIDE T able 6. T roubl eshooting Gu ide. Symptom Possible Ca use Action Display does not come on. Thermostat is not be ing powered. • Check for 24 V a c between R and W terminals.
69-1409—1 G .H. Rev. 1 1-02 www .honeywell.com/yourhome T8600D CHRONOTHERM® IV DEL UXE 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 Chronotherm IV T8600D (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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