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Building Technologies Division User Manual LMS14… CC1U7471en
6 The settings in detail 28.01.2015
6.18.7 Limitation of charging time
Line no. Operating line
5030 Charging time limitation
During DHW charging, there may be no heat or not sufficient heat for space heating,
depending on the selected Charging priority (1630) and the hydraulic circuit. For this
reason, it is often practical to have a temporal limitation of DHW charging.
If the function is switched on, at the end of the parameterized time the DHW heating
pauses for the same amount of time before continuing again. During this charging
pause, the heat source output is available for space heating.
Note!
When space heating is switched off (summer operation, ECO function, etc.), DHW
charging will not be interrupted, independent of the selected setting.
6.18.8 Charging pump/diverting valve
DHW charging can take place with a charging pump or diverting valve and heat source
pump.
Note!
Functions DHW priority and Discharging protection can only be provided in
connection with a charging pump.
If there is demand for heat from space heating, the diverting valve is driven back to the
Space heating position when DHW charging is ended.
If there is no demand for heat from space heating (summer operation, ECO functions,
holidays), it can be selected whether the diverting valve shall wait in the DHW position
for the next DHW charging cycle or whether it shall return to the Space heating position.
Line no. Operating line
5731 DHW controlling element
5734 Basic position DHW div valve
Charging time limitation
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