
3Bentone
Table of contents
1. General Information............................................................4
1.1 Delivery inspection ........................................................................4
1.2 Safety................................................................................................4
1.3 What to do if you smell gas .........................................................5
2. Technical data.......................................................................6
2.1 Dimensions BG 300-2/BG 300 M................................................6
2.2 Capacity range................................................................................7
2.3 Gas categori es, approved gases ...............................................7
2.4 Technicalspecication ..................................................................7
2.5 Workingeld...................................................................................8
2.6 Components ...................................................................................9
2.7 Skeleton diagrams ......................................................................10
3. Installation..........................................................................11
3.1 General instructions....................................................................11
3.2 Instructions ...................................................................................11
3.3 Inspection and maintenance.....................................................11
3.4 Preparation for assembly ..........................................................11
3.5 Gas supply.....................................................................................11
3.6 Electric connection ......................................................................11
4. Electric equipment.............................................................12
4.1 Safety system ...............................................................................12
4.2 Wiring diagram.............................................................................12
4.3 Function LME... .............................................................................13
4.4 Control program at faults; fault mode indicator LME .........14
5. Mounting ............................................................................16
5.1 Gas nozzle .....................................................................................17
5.3 Tightness control .........................................................................18
5.2 De-aerating ...................................................................................18
5.4 Calculationofgasow...............................................................19
6. Settings ...............................................................................20
6.1 Brake plate adjustment ..............................................................20
6.2 Control of burner head...............................................................20
6.3 Startup............................................................................................20
6.4 Control of combustion ...............................................................20
6.5 Settingtheairpressureswitch .................................................21
6.6 Settingthegaspressureswitchmin .......................................22
6.7 Settings Damper motor, 2-stage .............................................23
7. Gas valve, MultiBloc ZRDLE 405-420................................24
8. Service .................................................................................27
8.1 Burner Service Schedule, Gas...................................................27
8.2 Component replacement intervals ..........................................27
8.3 Combustion device......................................................................28
8.4 Air damper ....................................................................................29
8.5 Replacement, Damper motor air..............................................30
8.6 Fan ..................................................................................................31
8.7 Replacement of electrical components...................................32
8.8 Vibrations.......................................................................................33
8.9 Controlofamemonitoringandionizationcurrent............34
9. Handing over of the installation ......................................36
10. Troubleshooting.................................................................37
11. Service- and inspection protocol .....................................39