Honeywell TB7980 manual

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Table of contents for the manual

  • Page 1

    TB6980/TB7980 62-0238 400-150-005-B 3/23/06 1/6 1. Introduction The TB6980/TB798 0 digital thermostats provide proportional plus integral individual space temperatu re control in zoned comme rcial HV AC systems such as hydronic and pressure de pendent V A V with or without reheat. There ar e four different models: Depending on the model, the thermo[...]

  • Page 2

    TB6980/TB7980 62-0238 400-1 50-005-B 3/23/06 2/6 3. T ypical Applications FIGURE 1 : Damper control with electric reheat and auxil iary baseboard heating. FIGURE 3 : Damper control with automatic changeover , electric reheat and central cooling FIGURE 5 : Changeover and NSB inputs sharing the same 24-V ac transformer FIGURE 6 : Changeover and NSB i[...]

  • Page 3

    TB6980/TB7980 62-0238 400-150-005-B 3/23/06 3/6 4. Configuration 4.1 Configuration Menus (See follow ing page s for explanations) TB7980A model Application (section 4.2) Default mode & Output 1 type (section 4.3.1) NSB value (section 5.5) Output 1 min. opening (section 4.3.2) Maximum setpoint (section 4.6) Minimum setpoint (section 4.6) 0 Inter[...]

  • Page 4

    TB6980/TB7980 62-0238 400-150-005-B 3/23/06 4/6 4.2 Application T ypes The following table shows the different thermostat applications and their corresponding settin gs in the configuration menu. 4.3 Output 1 Output 1 is used to control a dam per . It controls heati ng when the thermostat is in heat mode or cool ing when the thermostat is in cool m[...]

  • Page 5

    TB6980/TB7980 62-0238 400-150-005-B 3/23/06 5/6 4.5 Output 3 (models TB6980 B and TB7980B) The following table shows the output types for Output 3 and their corresponding settings in the configuration menu . When any setting between 1 and 4 is selected, Output 3 controls heating only , regardless of the ther mostat’s mode. When setting 5 is selec[...]

  • Page 6

    TB6980/TB7980 62-0238 400-150-005-B 3/23/06 6/6 5.4.2 Changeover Input The thermostat is in the default mode w hen the contact between ter- minals 9 and 1 1 is ope n and switches mod e when the contact is closed. The default mode is se t vi a the configuration menu . Note : The changeover contact state is ignored if the thermostat is configured in [...]