Bentone BG400M, Installation And Maintenance Instruction

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Bentone 

Table of contents

1. General  Information __________________________________ 4

2. Technical  data _______________________________________ 7

2.1 Dimensions  ______________________________________ 7
2.2  Capacity range ___________________________________ 8
2.3  Gas categories, approved gases ____________________ 8
2.4  Working field BG 400-2, BG 400 M __________________ 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, modulating operation  ________ 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

6. Multibloc MB-VEF 407-412 ___________________________ 22

6.1  Recommended excess air when using default setting __ 25
6.2  Determining the gas quantity for the system __________ 25
6.3  Calculating the quantity of gas supplied _____________ 27

7. Service _____________________________________________ 28

7.1  Servicing the combustion assembly _________________ 28
7.2  Replacement of damper motor, air __________________ 29
7.3  Principle sketch of a 3-way solenoid valve  ___________ 30
7.4  Continuous fan operation __________________________ 30
7.5  Flame monitoring and ionisation current check ________ 31

8. Handing over of the installation _______________________ 33

9. Fault location, functional troubles _____________________ 33

10.  Electric equipment ________________________________ 34

10.1 Safety  system   ___________________________________ 34
10.2 Wiring diagram LME ______________________________ 35
10.3 Function LME... __________________________________ 36
10.4 Control program at faults; fault mode indicator LME ....  37

11. Troubleshooting __________________________________ 39

12.  General instructions for gasburners _________________ 42