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MK LIT (E5) 01/2021 page 85/172
Function check:
Check the over/under temperature safety device class 2 at appropriate intervals for its functionality. It is
recommended that the authorized operating personnel should perform such a check, e.g., before starting
a longer work procedure.
16. Timer program: stopwatch function
During an entered duration the controller constantly equilibrates to the setpoints entered in Fixed value
operation mode (temperature, configuration of the operation lines). This duration can be entered as a “Timer
program”. During the program runtime, any setpoint changes do not become effective; the controller equil-
ibrates to the values which were active during program start.
16.1 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.
16.1.1 Performance during program delay time
During the configured program delay time until program start, the controller equilibrates to the current set-
points 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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