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Ctrl boiler pump/
DHW valve
388/617
Building Technologies Division
6.23.5
Boiler
Line no.
Operating line
5774
Ctrl boiler pump/DHW valve
All requests
Request HC1/DHW only
This parameter is for use with special hydraulic diagrams to define that boiler pump Q1
and diverting valve Q3 are only in charge of DHW heating and heating circuit 1, but not
of heating circuits 2 and 3 and of external consumer circuits.
All requests
Hydraulically speaking, the diverting valve is used with all heat requests and switches
between DHW mode and the other heat requests. The boiler pump runs whenever
there is a request for heat.
Request HC1/DHW only
Hydraulically speaking, the diverting valve is only used with heating circuit 1 and DHW
mode and switches between DHW mode and heating circuit 1. In the case of all other
heat requests, the diverting valve (UV) and the boiler pump are not hydraulically
involved; they go directly to the boiler.
User Manual LMS14...
6 The settings in detail
CC1U7471en
28.01.2015
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