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Building Technologies Division User Manual LMS14… CC1U7471en
6 The settings in detail 28.01.2015
6.17 Buffer storage tank
6.17.1 Release/control of heat source
Release/control of the heat source with a buffer storage tank is described in the
following chapters:
Oil- or gas-fired boiler: Chapter Automatic heat generation lock
Solid fuel boiler: Chapter Solid fuel boiler
6.17.2 Automatic locks
Automatic heat generation lock brings about a temporary hydraulic separation of heat
source and buffer storage tank. The heat source is put into operation only when the
buffer storage tank is no longer able to satisfy the current demand for heat.
Line no. Operating line
4720 Auto generation lock
None
With B4
With B4 and B42/B41
None
Function is deactivated.
With B4
Sensor B4 is used to lock or release the heat source.
With B4 and B42/B41
Sensor B4 is used to release the heat source. For the heat generation lock, sensor B42
is used, and if that sensor is not available, sensor B41.
Line no. Operating line
4721 Auto heat gen lock SD
The switching differential is adjustable.
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