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Building Technologies Division User Manual LMS14… CC1U7471en
6 The settings in detail 28.01.2015
6.20.1.2. Recharging the stratification storage tank
When recharging, only the upper section of the storage tank is charged to the current
DHW setpoint.
Triggering a DHW request:
Recharging is triggered when the temperature acquired by sensor B3 at the top lies by
at least the parameterized Switching diff (5024) below the current DHW setpoint.
ON
DHW temp 1 (8830) < DHW temp setpoint (8831) – Switching diff (5024)
The Boiler setpoint (8311) for recharging is calculated from the DHW setpoint plus the
parameterized Flow setpoint boost (5020).
Ending a DHW request:
Recharging is ended when the temperature acquired by sensor B3 at the top reaches
the current DHW setpoint.
OFF
DHW temp 1 (8830) > DHW temp setpoint (8831)
If, during the time recharging is active, the enable criterion for full charging is met, the
DHW request is ended according to the criteria for full charging.
Line no. Operating line
8311
Boiler setpoint
8830
DHW temp 1
8831
DHW temp setpoint
Line no. Operating line
5020
Flow setpoint boost
5024
Switching diff
Info/diagnostics
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