Siemens LMV5 Series - System Architecture and Components; Integrated System Components; System Operation and Diagnostics

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Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en
HVAC Products 01.10.2003
− Actuator speed outside normal operation .............................................59
− Operating position .................................................................................59
− Modulating.........................................................................................59
− Multistage operation ..........................................................................60
1.1.1 Position check................................................................................................61
− Dynamic safety time ratio control ..........................................................61
− Outside the operating position ..............................................................63
− Operating position modulating ..............................................................63
− Operating position multistage................................................................63
1.1.1 Special features .............................................................................................63
− Program stop.........................................................................................63
− Direction of rotation of actuators ...........................................................63
− Limitation of the load range...................................................................64
− Activation of actuators / VSD ...............................................................65
− LMV51... ............................................................................................65
− LMV52... ............................................................................................65
− Number of fuel actuators.......................................................................65
− Traveling times......................................................................................65
− Shutdown behavior ...............................................................................65
− Overload protection of actuators ...........................................................65
− Curve adjustment ..................................................................................65
1 Temperature or pressure controller (internal load controller LC)...........66
1.1 General ..........................................................................................................66
1.1 Connection diagram.......................................................................................66
1.1 Operating modes with the load controller ......................................................66
− Operating mode 1 (ExtLC X5-03)..........................................................67
− Operating mode 2 (intLC)......................................................................68
− Operating mode 3 (int LC bus)..............................................................68
− Operating mode 4 (int LC X62) .............................................................69
− Operating mode 5 (Ext LC X62)............................................................69
− Operating mode 6 (Ext LC bus) ............................................................70
1.1.1 Operating mode changeover to internal load controller .................................70
1.1 Control (characteristics).................................................................................71
− Operating mode ....................................................................................71
1.1.1 Integrated 2-position controller (C = ON / OFF).............................................71
− General .................................................................................................71
− Switching differentials........................................................................71
1.1.1 Modulating control..........................................................................................72
− General .................................................................................................72
− Function diagrams.................................................................................72
− Control parameters ...............................................................................72
− Manual setting of the control parameters ..........................................72
− Self-setting of control parameters (adaption) ........................................73
− Adaption sequence ...............................................................................73
− Checking the control parameters ..........................................................74
− Example.............................................................................................74
− Settling of the manipulated variable ......................................................75
− Principle.............................................................................................75
− Description (graph)............................................................................75
1.1.1 Multistage control...........................................................................................76