Instruction/ maintenance manual of the product TB7980 Honeywell
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TB6980/TB7980 1/6 1. Introduction The TB6980/TB798 0 digital thermostats provide proportional plus integral individual space temperatu re control in zoned commercial HV AC systems such as hydronic and pressure de pendent V A V with or without reheat.
TB6980/TB7980 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 ce.
TB6980/TB7980 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 5.6) Output 1 min. opening (section 4.3.2) Maximum setpoint (section 4.
TB6980/TB7980 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 he ating when the thermostat is in heat mode or cool ing when the thermostat is in cool mode.
TB6980/TB7980 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 config uration menu. When any setting between 1 and 4 is sel ected, Output 3 controls heating only , regardless of the thermo stat’s mode.
TB6980/TB7980 6/6 5.5.1 Automatic changeover In automati c changeover , the thermostat detects when the system switches between heat mode and c ool mode by comparing th e air supply temperature with the ambient te mperature.
An important point after buying a device Honeywell TB7980 (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 TB7980 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 TB7980 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell TB7980 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell TB7980 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell TB7980, 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 TB7980.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell TB7980. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell TB7980 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
