Circulating Pump - Siemens LMS14 User Manual

Circulating pump release
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Building Technologies Division

6.7.10 Circulating pump

The circulating pump is controlled by a multifunctional relay. The relay must be
appropriately parameterized.
Line no. Operating line
1660 Circulating pump release
Time program 3/HC3
DHW release
Time program 4/DHW
Time program 5
The circulating pump runs during the release time (see below), provided DHW heating
is On and at least one of the connected heating circuits is not in Holiday mode. If DHW
mode is Off, or if all connected heating circuits are in Holiday mode, the circulating
pump remains deactivated, independent of the parameterized release. Release of the
circulating pump can take place in different ways:
Time program 3/HC3
The circulating pump is released according to Time program 3/Heating circuit 3.
DHW release
When using this setting, the circulating pump is released when DHW heating is
released also.
Note!
Release of DHW heating can be set with a specific release parameter.
Time program 4/DHW
The circulating pump is released according to Time program 4/DHW.
Time program 5
The circulating pump is released according to Time program 5.
User Manual LMS14...
6 The settings in detail
CC1U7471en
07.05.2014