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Building Technologies Division User Manual LMS14... CC1U7471en
6 The settings in detail 07.05.2014
Line no. Operating line
2463 Settling time DHW
This parameter represents the period of time after the burner was switched on during
which the switch-off threshold can be calculated based on the maximum switch-off
differential. The parameter is used for DHW heating requests.
To control the process of dynamic switching thresholds on an application-specific basis,
a number of parameters are available. The 3 methods described below can be
independently activated and deactivated.
Setpoint change with a significant setpoint difference
Changeover of operating mode between space heating and DHW heating
Startup of burner
So the dynamics of the switching thresholds can be activated by a significant setpoint
change. Via Dyn SD on setpoint (2464) can be activated/deactivated. The temperature
parameter defines the minimum temperature difference between the former and the
new setpoint above which the dynamics of the switching thresholds are activated.
When checking the temperature difference between the setpoints, both positive and
negative setpoint changes are taken into consideration.
Line no. Operating line
2464 Dyn SD on setpoint
Off
On
Activation of the dynamic switching thresholds with setpoint changes.
Off
Function is deactivated.
On
Function is activated.
Line no. Operating line
2465 Min setpoint change dyn SD
Setpoint difference above which the dynamic switching thresholds apply.
Line no. Operating line
2466 Dyn SD with HC/DHW change
Off
On
The dynamic switching thresholds can also be activated when the request for heat
changes from DHW mode to Heating mode. This function is activated/deactivated via
parameter Dyn SD with HC/DHW (2466).
Off
Function is deactivated.
On
Function is activated.
Settling time DHW
Dyn SD on setpoint
Min setpoint change dyn
SD
Dyn SD with HC/DHW
change
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