Siemens LMV51.100B2 - Page 6

6/301
Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en
HVAC Products 13.08.2004
5.1.1 Program sequence.........................................................................................60
− Standby .................................................................................................60
− Preventilation ........................................................................................60
− Ignition...................................................................................................61
− Traveling to the operating position ........................................................61
− Operation ..............................................................................................61
− End of operating position ......................................................................61
− Postpurging ...........................................................................................62
− Actuator speed outside normal operation .............................................62
− Operating position .................................................................................62
− Modulating .........................................................................................62
− Multistage operation ..........................................................................63
5.1.2 Position check................................................................................................64
− Dynamic safety time ratio control ..........................................................64
− Outside the operating position ..............................................................66
− Operating position modulating ..............................................................66
− Operating position multistage................................................................66
5.1.3 Special features .............................................................................................66
− Program stop.........................................................................................66
− Direction of rotation of actuators ...........................................................66
− Limitation of the load range...................................................................67
− Activation of actuators / VSD ................................................................68
− LMV51... ............................................................................................68
− LMV52... ............................................................................................68
− Number of fuel actuators.......................................................................68
− Traveling times......................................................................................68
− Shutdown behavior ...............................................................................68
− Overload protection of actuators ...........................................................68
− Curve adjustment ..................................................................................68
6 Temperature or pressure controller (internal load controller LC)...........69
6.1 General ..........................................................................................................69
6.2 Connection diagram.......................................................................................69
6.3 Operating modes with the load controller ......................................................69
− Operating mode 1 (ExtLC X5-03)..........................................................70
− Operating mode 2 (intLC)......................................................................71
− Operating mode 3 (int LC bus)..............................................................71
− Operating mode 4 (int LC X62) .............................................................72
− Operating mode 5 (Ext LC X62)............................................................72
− Operating mode 6 (Ext LC bus) ............................................................73
6.3.1 Operating mode changeover to internal load controller .................................73
6.4 Control (characteristics) .................................................................................74
− Operating mode ....................................................................................74
6.4.1 Integrated 2-position controller (C = ON / OFF).............................................74
− General .................................................................................................74
− Switching differentials........................................................................74
6.4.2 Modulating control..........................................................................................75
− General .................................................................................................75
− Function diagrams.................................................................................75
− Control parameters ...............................................................................75
− Manual setting of the control parameters ..........................................75