Hager has launched a yearly time switch that offers a way of saving energy through the distribution board and is easy to install and program. Each timer can control up to four circuits, which might include lighting, heating and/or ventilation

The four-channel timer has a large display with programming functions. It has up to 300 programming steps including: basic weekly, specific, additional and subprograms.

The resulting control can be as simple or as sophisticated as the user wants. An input allows an external override.

Typically, the basic weekly function would run permanently unless overridden by a subprogramme, which allows you to define a different weekly program and the period when this program will run.

A specific program step is the next level of control and defines a specific time and date. Finally there is a holiday option.

The output from the timer can be defined as on, off, impulse or cycle. It also takes into account all events linked to an annual cycle, so it can, say, calculate when Easter is in the year.

After programming, the keyboard on the timer can be locked with a PIN code. The information can be saved onto a key and used to program other yearly time switches.

Source

Electrical and Mechanical Contractor

Postscript

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