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Building Technologies Division Basic Documentation LMV36... CC1P7544en
Infrastructure & Citiies Sector Contents 25.09.2013
14.2 Modulating operation ................................................................................... 143
14.3 2-stage operation ......................................................................................... 143
14.4 3-stage operation ......................................................................................... 144
15 Fuel meter input X75 pin 1 / X75 pin 2 ..................................................... 145
15.1 Configuration of fuel meter .......................................................................... 145
15.1.1 Types of fuel meters .................................................................................... 145
15.1.2 Configuration of pulses per volume unit ...................................................... 145
15.1.3 Reading and resetting the meter readings .................................................. 145
15.2 Fuel throughput ........................................................................................... 146
15.2.1 Configuration ............................................................................................... 146
15.2.2 Reading out the fuel throughput .................................................................. 146
16 Connection and internal diagram ............................................................ 147
17 Special feature: Burner identification (ID) ............................................... 148
18 Connection to superposed systems ........................................................ 148
18.1 General information and building automation functions .............................. 148
18.2 Modbus ........................................................................................................ 150
19 PC software ACS410 ................................................................................. 151
20 Error history ............................................................................................... 152
20.1 Error classes ................................................................................................ 152
20.2 Makeup of error history ................................................................................ 153
21 Lifecycle function ...................................................................................... 154
22 Safety notes on use of the AZL2... ........................................................... 154
23 Operating the AZL2... unit ......................................................................... 155
23.1 Description of unit/display and buttons ........................................................ 155
23.2 Meaning of symbols on the display ............................................................. 156
23.3 Brightness of display ................................................................................... 156
23.4 Special functions ......................................................................................... 157
23.4.1 Manual lockout ............................................................................................ 157
23.4.2 Manual control (manual request for output) ................................................. 157
23.5 Timeout for menu operation ........................................................................ 158
23.6 Backup / restore .......................................................................................... 159
23.6.1 Backup ......................................................................................................... 160
23.6.2 Restore ........................................................................................................ 162
24 Operation of basic unit via the AZL2... .................................................... 164
24.1 Normal display ............................................................................................. 164
24.1.1 Display in standby mode ............................................................................. 164
24.1.2 Display during startup / shutdown ............................................................... 164
24.1.2.1. Display of program phases .......................................................................... 164
24.1.2.2. Display of program phase with remaining running time until end of the
phase is reached ......................................................................................... 164
24.1.2.3. List of phase displays .................................................................................. 165
24.1.3 Display of operating position ....................................................................... 166
24.1.4 Fault status messages, display of errors and info ....................................... 167
24.1.4.1. Display of errors (faults) with lockout ........................................................... 167
24.1.4.2. Reset ........................................................................................................... 167
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