Instruction/ maintenance manual of the product TB8220U Honeywell
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INST ALLA TION INSTRUCTIONS 62-3070-03 TB8220U Commercial V isionPRO™ Programmable Thermostat APPLICATION The TB8220 U Programma ble Thermos tat pr ovides ele ctronic c ontrol of 24 V ac heating an d cooling systems. See T able 1 for a descrip tion.
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT 62-3070— 03 2 Fig. 1. Select thermostat loc ation. Do not install the the rmostat where it can be affected by: — Drafts or dead spots behind doors and in corners. — Hot or c old air from ducts.
TB8220U COMM ERCIAL VISIONPRO™ PR OGRAMMABLE TH ERMOSTAT 3 62-3070—03 3. Insert the wires into the ter minal block and tighten each screw terminal. See Fig. 5. Fig. 5. Insert w ires into terminal block. 4. Push excess wire b ack into the wall ope ning and restrict wires to the shaded area.
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT 62-3070— 03 4 Conventional Syst em Wiring Fig. 7. T yp ical wiring of s ingle transfo rmer 1H/1C syste m. Fig. 8. T ypical hookup of dual trans former 1H/1C syste m. Fig. 9. T ypical hookup of hea t-only system.
TB8220U COMM ERCIAL VISIONPRO™ PR OGRAMMABLE TH ERMOSTAT 5 62-3070—03 Fig. 12. T ypical hookup of si ngle transformer multistage system (up to 2H/2C). Fig. 13. T ypical hooku p of dual trans f ormer multi sta ge system (up t o 2H/2C). M22786A HEA T RELAY 2 OUTDOOR/INDOOR TEMPERA TURE SENSOR FAN RELA Y POWER SUPPL Y .
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT 62-3070— 03 6 Heat Pump System Wiring Fig. 14. T ypical hookup of sin gle-stage hea t pump with no au xiliary hea t (1H/1C). Fig. 15. T ypical hookup of mul tist age heat pump wit h no auxilia ry heat (2H/ 2C).
TB8220U COMM ERCIAL VISIONPRO™ PR OGRAMMABLE TH ERMOSTAT 7 62-3070—03 Sensor Wiring for T emperature A veraging Fig. 18. Wi ring four T7770 A1006 (20K ohm) Se nsors. Fig. 19. W iring two T7 770A3002 (1 0K ohm) Senso rs to provide a temperatur e averagin g network.
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT 62-3070— 03 8 POWER THE THERMOSTAT Y ou can choose f rom three me thods to power the thermo stat: • Batteries only (AAA alkaline). • 24 V ac direct c onnectio n only . • 24 V ac direct connect ion with bat tery back up (AAA alkaline).
TB8220U COMM ERCIAL VISIONPRO™ PR OGRAMMABLE TH ERMOSTAT 9 62-3070—03 Fig. 25. Mou nt thermostat to wallpla te. Advanced Settings The thermostat ha s advanced sett ings to match th e HV AC system. Thes e settings ca n be adjust ed to match specific needs.
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT 62-3070— 03 10 0170 System Selection 8 1 —1H/1C Conv 2—1H/1C HP 3—1H w/o fan 4—1H with fan 6—1C 7—2H/1C HP (Au x. Heat) 8—2H/2C Con v 9—2H/1C Con v 10—1H/2 C Conv 1 1—2H/2C HP 12—3H/2C HP (Aux.
TB8220U COMM ERCIAL VISIONPRO™ PR OGRAMMABLE TH ERMOSTAT 1 1 62-307 0—03 0340 Remote T empe rature Sensor 0 0—None 1—Outd oor for Di splay 2—Outd oor for Con trol 3—Remote 10 K Indoor 4—Remote 20 K Indoor Aver aging would not includ e on-boar d sensor .
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT 62-3070— 03 12 NOTE: Press the D one button t o exit the In stall er System T est. OPERATION System Settings Heat — Thermost at control s the heat ing syste m. Off — Both heat ing and co oling syste ms are of f.
TB8220U COMM ERCIAL VISIONPRO™ PR OGRAMMABLE TH ERMOSTAT 13 62-3070 —03 — When th e Minimum Of f Time r expires, “Cool On” o r “Heat On” (he at pumps only)” ap pears solidly in the display and the compressor and fan turn on.
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT 62-3070— 03 14 T ROUBLESHOOTING (T ABLE 7) T able 7. T roubleshooting. Symptom Possible Cause Action Display does not co me on. T hermost at is not being pow ered. Check for 24 V ac between C and Rc.
TB8220U COMM ERCIAL VISIONPRO™ PR OGRAMMABLE TH ERMOSTAT 15 62-3070 —03 Fan does not turn on in a ca ll for heat ( electric furnace ). Fan Control in Heating is set to Gas or Oil Furnac e (Setting 0180). Set Fan Control in Heatin g to Electric Furnace (Set ting 0180 ).
TB8220U COMMERCIAL VISIONPRO™ PROGRAMMABLE THERMOSTAT Automation and Cont rol Solution s Honeywell Internatio nal Inc. Hon eywell Limited-Hon eywell Limitée 1985 Douglas Dr ive North 35 Dynamic Drive Golden Valley, MN 55 422 T oronto, Ontario M1V 4Z9 customer.
An important point after buying a device Honeywell TB8220U (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 TB8220U 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 TB8220U - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell TB8220U you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell TB8220U will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell TB8220U, 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 TB8220U.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell TB8220U. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell TB8220U 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
