Pressure Measurements H1, H2 And H3 - Siemens LMS14 User Manual

Water pressure max
Water pressure 2 max
Water pressure 3 max
Water pressure min
Water pressure 2 min
Water pressure 3 min
442/617
Building Technologies Division

6.23.25 Pressure measurements H1, H2 and H3

For a detailed description of static water pressure supervision, refer to chapter Static
pressure supervision.
Line no. Operating line
6140 Water pressure max
Line no. Operating line
6150 Water pressure 2 max
Line no. Operating line
6180 Water pressure 3 max
If the pressure acquired at input H1, H2 (EM1...EM3) or H3 exceeds the limit value set
here, the appropriate error message is delivered and the burner is immediately shut
down.
117: Water pressure too high
176: Water pressure 2 too high
322: Water pressure 3 too high
When the pressure drops one switching differential below the limit value, the error
message is canceled.
Line no. Operating line
6141 Water pressure min
Line no. Operating line
6151 Water pressure 2 min
Line no. Operating line
6181 Water pressure 3 min
If the pressure acquired at input H1, H2 (EM...EM3) or H3 drops below the set limit
value Water pressure min (6141), Water pressure 2 min (6151), Water pressure 3 min
(6181), the appropriate maintenance message is delivered.
5: Water pressure too low
18: Water pressure 2 too low
22: Water pressure 3 too low
When the pressure exceeds the limit value by one switching differential, the message is
canceled.
User Manual LMS14...
6 The settings in detail
CC1U7471en
28.01.2015