Siemens LMV51 Series Basic Documentation page 11

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