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Honeywell TB8220U manual

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Table of contents for the manual

  • Page 1

    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. T able 1. TB8220 U Thermost at Description. MERCURY NOTICE If this control is replacing a control [...]

  • Page 2

    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. — Radiant heat from sun or appli ances. — Concealed pipe s and chimneys. — Unheat ed (un[...]

  • Page 3

    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. See Fig. 6. 5. Plug the wall opening with nonflammab le[...]

  • Page 4

    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. Fig. 10. T ypical hookup of he at-only sys tem with fan. Fig. 1 1. T ypical hook[...]

  • Page 5

    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 . PROVIDE DISCONNECT MEANS AN[...]

  • Page 6

    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). Fig. 16. T ypical hookup of si ngle-st age heat pump with auxiliary h eat (2H/1C)[...]

  • Page 7

    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. Fig. 20. Wiri ng two T7770A1 006 (20K ohm) Sens ors and one T7770A 3002 (10K ohm)[...]

  • Page 8

    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). Wiring 24 V ac Common • Single -T ransformer Syst[...]

  • Page 9

    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. Access to th ese settings is obtained as follows: 1. From the main screen, press SYSTEM. F[...]

  • Page 10

    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. Heat) T o use the Emergency Heat button, se lect setting #7 or #12. See Fig.[...]

  • Page 11

    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 . It is accomplished by series/parallel combina tions. 2 applies only to Heat Pum p [...]

  • Page 12

    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. Cool — Thermost at control s the cooli ng system. Auto — Thermost at aut[...]

  • Page 13

    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. Outdoor or Indoo r T emperature Sensor Allow out door or indoor te mperature sensor to absorb t he air for a [...]

  • Page 14

    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. Check that AAA batteries are installed correctly and are good. T emperatur e settings do not[...]

  • Page 15

    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 ). Heating eq uipment is running in the coo l mode. Heating equipm ent is not a[...]

  • Page 16

    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.hone ywell.com ® U.S. Regi stered T rademark © 2008 Hone ywell Interna tional Inc. 62[...]