3Bentone
Table of contents
1. General Information __________________________________ 4
2. Technical data _______________________________________ 7
2.1 Dimensions ______________________________________ 7
2.3 Gas categories, approved gases ____________________ 8
2.2 Output range _____________________________________ 8
2.4 Working field _____________________________________ 9
2.5 Electric Specification EN 60335-2-102 _______________ 9
2.6 Description _____________________________________ 10
2.7 Components – Electrical box (automatic control unit) __ 11
3. General instruktions _________________________________ 12
3.1 General instructions ______________________________ 12
3.2 Operating instructions ____________________________ 12
3.3 Instructions _____________________________________ 12
3.4 Inspection and maintenance _______________________ 12
3.5 Start up ________________________________________ 12
3.6 Commissioning of installation ______________________ 12
4. Installation _________________________________________ 13
4.1 Delivery check ___________________________________ 13
4.2 Preparations for installation ________________________ 13
4.3 Gas supply______________________________________ 13
4.4 Electrical connection______________________________ 13
4.5 Handling and lifting instruction _____________________ 14
4.6 Fitting the burner to the boiler ______________________ 15
4.7 Inspection of gas nozzle before commissioning _______ 16
4.8 Gas nozzle _____________________________________ 17
4.9 SQM damper motor ______________________________ 18
5. Setting the burner ___________________________________ 20
5.1 Setting the combustion assembly___________________ 20
5.2 Setting the air damper ____________________________ 20
5.3 Setting the gas damper ___________________________ 20
5.4 Setting the air pressure switch _____________________ 21
5.5 Setting the min. gas pressure switch ________________ 22
5.6 Setting the overload protection gas pressure switch ___ 23
5.7 Setting the max. gas pressure switch _______________ 24
5.8 Skeleton diagrams _______________________________ 25
6. Multi-Bloc, MB-DLE 412-420 _________________________ 26
6.1 Calculate prepurge time ______________________ 31
6.2 Calculating the quantity of gas supplied _____________ 33
7. Service_____________________________________________ 34
7.1 Servicing the combustion assembly _________________ 34
7.2 Replacement of damper motor, air __________________ 35
7.3 Servicing air dampers_____________________________ 37
7.4 Replacement of damper motor, gas _________________ 38
7.5 Vibration________________________________________ 39
7.6 Flame monitoring and ionisation current check________ 40
