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Honeywell TB7220 manual

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Table of contents for the manual

  • Page 1

    PRODUCT DATA 63-2636-03 TB7220 Ultrastat Programmable Thermostat APPLICATION The TB7220 Ultrastat Programmable Thermostat is an effortless, seven-day programmable thermostat that provides universal system compat ibility , precise comf ort control and is easy-to-program. The TB7220 provides tempe rature c ontrol fo r gas, oil, electric and heat pump[...]

  • Page 2

    TB7220 ULTRASTAT PROG RAMMABLE THERMOST AT 63-2636—03 2 ORDERING INFORMATION When purchasing replacement and modernizat io n products from your TRADELINE® whol esaler or distributor , refer to the TRADELINE® Catalog or price sheets for complete ordering number . If you have additional questions, need further information, or w oul d like to comm[...]

  • Page 3

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 3 63-2636—03 Calibration (TB7220, C7089U, C718 9U, T7770A): No field calibration require d. Mounting Means: TB7220: Direct wall-mount using mounting screws and anchors provided. F its standard vertical or horizontal 2 in. x 4 in. junction box. C7089U: Mounts outside of living space with mounting clip and s[...]

  • Page 4

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 4 Fig. 4. T7770A dimensions in i n. (mm). Fig. 5. C71 89U Indoor Sens or dimensions i n in. (mm). MERCURY NOTICE If this control is replaci ng a control that contains mercury in a sealed tube, do not place your old control in the trash. Dispose of properly . Contact your local waste management a[...]

  • Page 5

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 5 63-2636—03 Install W allplate (See Fig. 8) Mount the thermostat hor izontally on the wall: 1. Pull the wires through the wire hole on the wall plate. 2. Position the wallplate on the wall with the arrow pointing up. Level the wallplate for appearance only . 3. Use a pencil to mark the mounting holes. 4. [...]

  • Page 6

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 6 Fig. 1 1. Restrict wires to shaded area of wire hole. T able 4. Wi ring Diagrams. T able 5. T erminal Designation Desc riptions. NOTES: 1. When used in a single-transformer system, leave metal jumper wire in place between Rc and R. If used on a two-transfo rmer system, remove met al jumper wir[...]

  • Page 7

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 7 63-2636—03 Conventional System Wiring Fig. 12. T yp ical wiring of si ng le transformer 1H/1C system. Fig. 13. T ypical hookup o f du al transformer 1H/1C system. Fig. 14. T ypical hookup of heat-only sy stem. Fig. 15. T ypical hookup of cool-only sy stem. COMPRESSOR CONT ACT OR OUTDOOR/INDOOR TEMPERA TU[...]

  • Page 8

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 8 Fig. 16. T ypical hookup of single transformer mu ltistage system (up to 2H/2C). Fig. 17. T yp ical hookup of du al transformer mult istage system (up to 2H/2C). Heat Pump System Wiring Fig. 18. T ypical hook up of single-st age heat pump with no auxiliary heat (1H/ 1C). Fig. 19. T ypical hook[...]

  • Page 9

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 9 63-2636—03 Fig. 20. T ypical hookup o f single-st age heat pu mp with auxiliary heat (2H/ 1C). Fig. 21. T ypical hookup of mul tist age he at pump with auxiliary heat (3H/2C). POWER THE THERMOSTAT Y ou can choose from three methods to po wer the thermostat: • Batteries only (AAA alkaline). • 24 V ac [...]

  • Page 10

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 1 0 Locate and Mount C7089U Outdoor T emperature Sensor (Optional) Mount the sensor where (see Fig. 24): • cannot tamper with settings. • there is good air circulation. • it can measure true outdoor ambient temperature. • surface is flat. • wire distance between C7089U and thermostat i[...]

  • Page 11

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 11 63-2636—03 Wire Indoor Sensor CAUTION Electrical Interference (Noise) Hazard. Can cause err atic system operation . Keep wiring at least one foot away from large inductive loads such as motors, li ne starters, lighting ballasts and large power distribution panels. 1. Check Installer Setup Number (ISU) 3[...]

  • Page 12

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 1 2 Fig. 30. Setting calend ar when thermostat is first powered. Fig. 31. Setting time when thermostat is first powered. INSTALLER SETUP Advanced Settings The thermostat has advanced settings to match the HV AC system. These set tings can be adj usted to match speci fic needs. There are two diff[...]

  • Page 13

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 13 63-2636—03 INSTALLER SETUP NUMBERS (ISU), SETTINGS, AND T ESTS (T ABLE 6) Use the Installer System T est to test th e heating, cooling and fan. Refer to th e latter portion of T able 6. CAUTION Equipment Damage Hazard . Minimum compressor off tim e is byp assed during Installer System T est Avoid cyclin[...]

  • Page 14

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 1 4 0270 CPH for Auxiliary Heat 9 1-12 Only shown if multi-stage heat pump is selected (heat pump with more heat than cool stages). 0280 Continuous Backlight 0 0—No 1—Y es Always shown. If AC power not present the option is overridden and normal b acklight operation occu rs. 0300 Changeover [...]

  • Page 15

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 15 63-2636—03 NOTE: Press the Done button to exit the Installer System T est. 0640 a Clock Format 12 12—12 Hour 24—24 Hour 0650 Extended Fan On time Heat 00 — O f f 90—90 seconds Not displayed with fan set to fossil or with cool-only systems 0660 Extended Fan On time Cool 00 — O f f 40—40 secon[...]

  • Page 16

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 1 6 MAIN SCREEN Fig. 34. Main screen selections. Fig. 35. Main screen display . PROGRAMMING T able 7 shows defau lt program settings. T able 7. Energy-s aving Default Program Settings. Fan Settings Auto: Fan runs only wh en heating/ cooling system is on. See the Fan Schedule section for more inf[...]

  • Page 17

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 17 63-2636—03 Fig. 36. Initial schedule edit screen. 6. OCCUPIED 1 flashes, denoting the peri od that is about to be edite d. 7. Press NEXT , and the start time for that period flashes. 8. Change the start time by pressi ng the Up and Down arrow keys. 9. Press NEXT to edit the heating and cooling setpoints[...]

  • Page 18

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 1 8 NOTES: — If batteries are not replaced when th e Low Battery warning is flashing, the LO batt screen displays continuously and the ther mostat stops operating until batteries are re placed. — The thermostat has a low battery indicator . However , it is recommended that the batteries be r[...]

  • Page 19

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 19 63-2636—03 Partially Locked Screen When p artially locked: — Pressing a locked key prompts the screen to indicate SCREEN LOCKED for fi ve to seven seconds. — Pressing an unlocked key wi th SCREEN LOCKED active removes SCREEN LOCKED from the display . PARTIAL LOCKOUT 1 This mode locks all keys exc ep[...]

  • Page 20

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 2 0 Fig. 41. Heat Pump Operation with Lockout T emperatures Set. Operating Sequence The thermostat energizes specif ic te rminal(s), depending on the demand for heating, cooli ng or fan. The thermostat screen shows the time, inside temperatur e, system and fan selections. Additional indicators a[...]

  • Page 21

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 21 63-2636—03 T o verify sensor resistance, remove one wire from one of the C7089U 60-in. leadwires. Use an ohmme ter to measure the resistance across the sensor . Then compare sensor accuracy with the temperature/resist ance curve in Fig. 42. C7189U Remote Indoor T emperature Sensor Operat ion When instal[...]

  • Page 22

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 63-2636—03 2 2 T ROUBLESHOOTING (T ABLE 10) T able 10. T roubleshooting. Symptom Pos sible Cause Action Display does not come on. Thermostat is not being powered. Check for 24 V ac between C and Rc. Check that AAA batteries are installed cor rectly and are good. T emperatu re settings do not change. The up[...]

  • Page 23

    TB7220 ULTRASTAT PROGRAMMABLE THERMOSTAT 23 63-2636—03 Perchlorate Material This thermostat contains a Lithium battery which may contain Perchlorat e material. The following statement is required: Perchlorate Material—special handlin g may apply . See www .d tsc.ca.gov/hazardouswaste/perchlorate Heating equipment is runn ing in the cool mode. H[...]

  • Page 24

    Automation and Co ntrol Solutions Honeywell Internation al Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Dri ve North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com TB7220 ULTRASTAT PROG RAMMABLE THERMOST AT ® U.S. Registered T rademark © 201 1 Honeywell International Inc. 63-2636—03 M.S. Rev .[...]