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System-wide functions
7.6
On/off control
The flow temperature can be controlled, for instance, by switching a burner on and off. The
burner is switched on by the controller when the flow temperature falls below the set point
T = 0.5 x On/off differential . On exceeding the set point by T = 0.5 x On/off differential ,
the burner is switched off again. The larger the On/off differential selected, the less amount
of switching involved. The default setting of Minimum activation time enables a burner once
it is switched on to run permanently for this time regardless of how long. Likewise, a burner
that has just been switched off due to the temperature conditions when the programmed Min-
imum activation time remains switched off regardless how long for the time set.
Functions
Control signal
Parameter
On/off differential
Min. activation time
Min. deactivation time
34
EB 5432 EN
WE
Configuration
1
F4 - 0
WE
Level / Range of values
5 °C
CoPa level P13 / 2 to 10 °C
120 s
CoPa level P14 / 0 to 600 s
120 s
CoPa level P15 / 0 to 600 s
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