11/301
Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 13.08.2004
− Status inputs (CFN).........................................................................203
− Load on terminals «outputs» ..............................................................203
− Total load on contacts ..................................................................... 203
− Load on individual contacts .................................................................204
− Fan motor contactor ........................................................................204
− Alarm output....................................................................................204
− Ignition transformer .........................................................................204
− Fuel valves (gas).............................................................................204
− Fuel valves (oil) ............................................................................... 204
− Cable lengths......................................................................................204
− Cross-sectional areas .........................................................................204
− Fuses used in the LMV5... basic unit.................................................. 204
15 Dimensions ................................................................................................205
− LMV5... ...............................................................................................205
− AZL5... ................................................................................................ 205
16 Addendum 1: List of fault status messages of LMV5... system............206
17 Addendum 2: Connection diagram..........................................................251
18 Addendum 3: Variable speed drive (VSD) module.................................252
− General ............................................................................................... 252
− Basic diagram .................................................................................252
− LMV51... Configuration of the basic unit (BU) .................................... 252
− LMV52... configuration of the basic unit (BU) ..................................... 252
18.1 VSD module ................................................................................................253
− General ............................................................................................... 253
18.1.1 Inputs / outputs............................................................................................253
− Connection diagram............................................................................253
− Release contact X73-1 / -2 ................................................................. 253
− Alarm input X73-3 ............................................................................... 253
− Analog output to the VSD X73-4......................................................... 253
− Speed feedback signal ....................................................................... 254
− Speed input X70 ................................................................................. 254
− Safe segregation between mains voltage and protective extra low-
voltage ................................................................................................254
− Sensor disk .....................................................................................254
− Speed sensor .................................................................................. 254
− Selection of fan motor .....................................................................254
− Fuel meter...........................................................................................255
− Fuel meter input X71 / X72 .................................................................255
18.1.2 Configuration of VSD...................................................................................255
18.1.3 Configuration of speed acquisition ..............................................................256
− Standardization ...............................................................................256
− Note................................................................................................. 256
− Settling time ....................................................................................257
18.1.4 Configuration of current interface ................................................................258
18.1.5 Configuration of fuel meter .......................................................................... 258
− Pulse value gas...............................................................................258
− Pulse value oil ................................................................................. 258
18.1.6 Fuel meter readings..................................................................................... 259
18.1.7 Process data................................................................................................ 259