Siemens LMS14 User Manual

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Building Technologies Division User Manual LMS14... CC1U7471en
6 The settings in detail 07.05.2014
6.7.2 Setpoints
Different setpoints are available for DHW heating, with partly interlocked adjustability.
Nominal setpoint max: Only used to provide maximum limitation of the Nominal
setpoint’s adjustability
Nominal setpoint: DHW setpoint during release times
Reduced setpoint: Backup temperature outside release times
Frost Protection setpoint: Frost Protection setpoint when DHW heating is Off.
Not adjustable, fixed at 5 °C (factory setting)
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 40 50 60 70 80 90 100 °C
1612
1610
1614
7471z91/0910
Figure 31: Nominal setpoint
Key
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: Backup temperature outside release times.
Line no. Operating line
1614 Nominal setpoint max
This setting ensures maximum limitation of the Nominal setpoint (1610).
Nominal setpoint
Reduced setpoint
Nominal setpoint max

Siemens LMS14 Specifications

General

Brand	Siemens
Model	LMS14
Category	Control Unit
Language	English