Setpoints - Siemens LMS14 User Manual

Nominal setpoint
Key
Reduced setpoint
Nominal setpoint max
Building Technologies Division

6.7.2 Setpoints

Different setpoints are available for DHW heating, with partly interlocked adjustability.
Nominal setpoint max:
Nominal setpoint:
Reduced setpoint:
Frost Protection setpoint: Frost Protection setpoint when DHW heating is Off.
The DHW setpoint acting on the control is selected based on the current operating
level, which includes impact of the operating mode, the release (possibly the switching
program), the DHW push and the Legionella function.
Line no. Operating line
1610 Nominal setpoint
The DHW can be heated up according to different setpoints. These setpoints are
activated depending on the selected operating mode, thus leading to different
temperature levels in the DHW storage tank.
0 10 20 30
Figure 31: Nominal setpoint
Line no. Meaning
1614 TWWmax Maximum nominal DHW setpoint
1610 TWWN Nominal DHW setpoint
1612 TWWR Reduced DHW setpoint
Line no. Operating line
1612 Reduced setpoint
Reduced setpoint:
Line no. Operating line
1614 Nominal setpoint max
This setting ensures maximum limitation of the Nominal setpoint (1610).
User Manual LMS14...
6 The settings in detail
Only used to provide maximum limitation of the Nominal
setpoint's adjustability
DHW setpoint during release times
Backup temperature outside release times
Not adjustable, fixed at 5 °C (factory setting)
1610
1612
1614
40 50 60 70 80
Backup temperature outside release times.
90 100 °C
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CC1U7471en
07.05.2014