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VD (E3.1) 10/2020 page 103/179
15. MB2 controller: Timer program (stopwatch function)
During an entered duration the controller constantly equilibrates to the setpoints entered in Fixed value
operation mode (temperature, pressure, configuration of the special controller functions). This duration
can be entered as a “Timer program”. During the program runtime, any setpoint changes do not become
effective; the controller equilibrates to the values which were active during program start.
15.1 Starting a timer program
In Normal display press the Program start icon to access the “Program start” menu.
“Program start” menu
• In the field “Program type” select “Timer program”.
• Select the field “Program duration” and enter the desired program duration. Press the Confirm icon.
• Select the field “Program start” and enter the desired start time of the program in the “Program start”
entry menu. Press the Confirm icon. The program delay time until program start begins.
Normal display.
Information on the bottom of the screen indicates the
currently running program and the time already passed.
The grey bar shows how much time of the whole time is
elapsed.
15.1.1 Performance during program delay time
During the configured program delay time until program start, the controller equilibrates to the current
setpoints of Fixed value operation mode. Modifications of these setpoints are possible but become
effective only after the timer program is finished. When the configured moment for program start is
reached, the program delay time ends and the program starts running. The controller equilibrates to the
values which had been active during program start.
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