Siemens LMV5 Series Basic Documentation

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Siemens Building Technologies Basic Documentation LMV51... CC1P7550en
HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003
Example 1: Reaction thresholds Q2 and Q3 for switching on stages 2 and 3 are not
reached. In that case, stage 1 will already be switched off when threshold
W+SD_Stage3Off is reached (low-fire operation).
R=ON
Stage1
Stage 3
Setpoint
Actual value
7550f09E/0502
SD_Stage1Off
W
SD_Stage2Off
SD_Stage3Off
SD_Stage1On
Stage 2
Example 2: Reaction thresholds Q2 and Q3 for switching on stages 2 and 3 are
exceeded and the stages will be switched on.
In that case, stage 1 will be switched off when threshold W+
SD_Stage1Off is reached.
R=ON
Stage 1
Stage 3
Q2
Q3
Setpoint Actual value
Q2
Q3
7550f10E/0502
SD_Stage1Off
W
SD_Stage2Off
SD_Stage3Off
SD_Stage1On
Stage 2
Function diagrams

Siemens LMV5 Series Specifications

General

Brand	Siemens
Model	LMV5 Series
Category	Control Systems
Language	English