Siemens LMV37.4 Series Basic Documentation page 9

Building Technologies Division
Industry Sector
15 Connection and internal diagram ............................................................ 137
16 Special feature: Burner identification (ID) ............................................... 138
17 Connection to superposed systems ........................................................ 138
17.1 General information and building automation functions .............................. 138
17.2 Modbus ........................................................................................................ 140
18 PC software ACS410 ................................................................................. 141
19 Error history ............................................................................................... 142
19.1 Error classes ................................................................................................ 142
19.2 Makeup of error history ................................................................................ 143
20 Lifecycle function ...................................................................................... 143
21 Safety notes on use of the AZL2... .......................................................... 144
22 Operating the AZL2... unit ........................................................................ 145
22.1 Description of unit/display and buttons ........................................................ 145
22.2 Meaning of symbols on the display ............................................................. 146
22.3 Brightness of display ................................................................................... 146
22.4 Special functions ......................................................................................... 147
22.4.1 Manual lockout ............................................................................................ 147
22.4.2 Manual control (manual request for output) ................................................. 147
22.5 Timeout for menu operation ........................................................................ 148
22.6 Backup / restore .......................................................................................... 149
22.6.1 Backup ......................................................................................................... 150
22.6.2 Restore ........................................................................................................ 152
23 Operation of basic unit via the AZL2... ................................................... 154
23.1 Normal display ............................................................................................. 154
23.1.1 Display in standby mode ............................................................................. 154
23.1.2 Display during startup / shutdown ............................................................... 154
23.1.2.1. Display of program phases .......................................................................... 154
23.1.2.2. Display of program phase with remaining running time until end of the phase
is reached .................................................................................................... 154
23.1.2.3. List of phase displays .................................................................................. 155
23.1.3 Display of operating position ....................................................................... 156
23.1.4 Fault status message, display of errors and info ......................................... 157
23.1.4.1. Display of errors (faults) with lockout ........................................................... 157
23.1.4.2. Reset ........................................................................................................... 157
23.1.4.3. Activating info / service mode from lockout ................................................. 157
23.1.4.4. Error with safety shutdown .......................................................................... 158
23.1.4.5. General information ..................................................................................... 158
23.1.4.6. Start prevention ........................................................................................... 158
23.1.4.7. Safety loop ................................................................................................... 158
24 Menu-driven operation .............................................................................. 159
24.1 Assignment of levels .................................................................................... 159
25 Info level ..................................................................................................... 160
Basic Documentation LMV37.4...
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CC1P7546en
20.09.2013