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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