
3Bentone
General
Table of contents
1. General Information__________________________________ 4
2. Technical data _______________________________________ 7
2.1 Dimensions BG 300-2, BG 300 M __________________ 7
2.2 Capacity range __________________________________ 8
2.3 Gas categories, approved gases____________________ 8
2.4 Working field ____________________________________ 9
2.5 Electric Specification EN 60335-2-102 ______________ 9
2.6 Description_____________________________________ 10
3. General instructions ________________________________ 11
3.1 General instructions _____________________________ 11
3.2 Installation and maintenance instructions____________ 11
3.3 Instructions_____________________________________ 11
3.4 Inspection and maintenance ______________________ 11
3.5 Start up________________________________________ 11
3.6 Commissioning of installation _____________________ 11
4. Installation _________________________________________ 12
4.1 Delivery check __________________________________ 12
4.2 Preparations for installation _______________________ 12
4.3 Gas supply _____________________________________ 12
4.4 Electric connection ______________________________ 12
4.5 Setting brake plate and air flow ____________________ 12
4.6 Mounting on the boiler ___________________________ 13
4.7 Inspection of gas nozzle before commissioning ______ 14
4.8 Gas nozzle _____________________________________ 15
4.9 Setting Damper motor 2-stage ____________________ 16
5. Setting the burner __________________________________ 17
5.1 Adjustment of brake plate ________________________ 17
5.2 Control of burner head ___________________________ 17
5.3 Setting the air pressure switch_____________________ 19
5.4 Setting the min. gas pressure switch _______________ 20
5.5 Skeleton diagrams ______________________________ 21
5.6 Multiblock MB-ZRDLE 405-420 ___________________ 22
5.7 Recommended excess air when using default setting _ 25
5.8 Determining the gas quantity for the system _________ 25
5.9 Calculating the quantity of gas supplied_____________ 27
6. Service ____________________________________________ 28
6.1 Servicing the combustion assembly ________________ 28
6.2 Replacement of damper motor, air _________________ 29
6.3 Flame monitoring and ionisation current check_______ 30
7. Handing over of the installation ______________________ 32
8. Fault location, functional troubles ____________________ 32
9. Electric equipment__________________________________ 33
9.1 Safety system __________________________________ 33
9.2 Wiring diagram LME _____________________________ 34
9.3 Function LME... _________________________________ 35
9.4 Control program at faults; fault mode indicator LME .... 36
10. Troubleshooting __________________________________ 38
11. General instructions for gasburners_________________ 41