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Building Technologies Division User Manual LMS14... CC1U7471en
6 The settings in detail 07.05.2014
Note!
This modulation mode is not suitable for cascade applications.
Note!
To ensure effective control of the heating circuit pump in line with the nominal
increase, limitation of the boiler temperature differential must be deactivated (set
Temp differential max (2316) to OSV).
Note!
When manual control ends, the pump is switched off briefly during the transition to
pump overrun.
Consequently, the heating circuit pump should only be set to the Temp differential
nominal modulation mode if the overtemperature protection function has been
deactivated for the heating circuit concerned.
Line no. Operating line
HC1 HC2 HC3
881 1181 1481 Starting speed
The speed of the heating circuit pump for the start kick can be defined here.
Line no. Operating line
HC1 HC2 HC3
882 1182 1482 Pump speed min
The minimum speed of the heating circuit pump can be defined here.
Line no. Operating line
HC1 HC2 HC3
883 1183 1483 Pump speed max
The maximum speed of the heating circuit pump can be defined here.
Line no. Operating line
HC1 HC2 HC3
885 1185 1485 Pump speed min OEM
The minimum speed of the heating circuit pump can be defined here.
Line no. Operating line
HC1 HC2 HC3
886 1186 1486 Pump speed max OEM
The maximum speed of the heating circuit pump can be defined here.
Line no. Operating line
HC1 HC2 HC3
888 1188 1488 Curve readj at 50% speed
Readjustment of the flow temperature setpoint when the pump speed is reduced by
50%. This readjustment is calculated based on the differential of flow temperature
setpoint according to the heating curve and current room temperature setpoint.
Starting speed
Pump speed min
Pump speed max
Pump speed min OEM
Pump speed max OEM
Curve readj at
50% speed
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