02.12.2022 Rev. 12
CONTENTS
1. WARNINGS .......................................................................................................................................... 3
1.1. Warning Symbols and Descriptions ............................................................................................... 3
1.2. General Safety Rules ...................................................................................................................... 4
2. TERMS OF WARRANTY .................................................................................................................... 6
2.1. Out of Warranty Conditions .......................................................................................................... 6
3. BURNER’S GENERAL FEATURES ................................................................................................... 7
3.1. Purpose of Use and Work Limits of Burners ................................................................................. 7
3.2. Code Key ........................................................................................................................................ 7
3.3. Burner Components ........................................................................................................................ 9
4. GAS, FLUE GAS AND HEATING WATER SCHEMA ................................................................... 15
5. TECHNICAL DATA .......................................................................................................................... 16
5.1. Capacity Table .............................................................................................................................. 16
5.2. Back Pressure-Capacity Diagrams ............................................................................................... 17
5.3. Burner Dimensions ....................................................................................................................... 18
5.4. Gas Hood Pressure Loss Diagram ................................................................................................ 19
5.5. Flame Length and Diameter ......................................................................................................... 20
5.6. Noise Level................................................................................................................................... 20
6. BURNER HANDLING INFORMATION .......................................................................................... 21
7. INSTALLATION ................................................................................................................................ 22
7.1. Burner Installation Picture............................................................................................................ 22
7.2. In reverse flame front mirror boilers ............................................................................................ 23
7.3. In cylindrical (straight flame) boilers ........................................................................................... 23
8. COMMISSIONING ............................................................................................................................. 24
8.1. Before Commissioning ................................................................................................................. 24
8.2. General Controls .......................................................................................................................... 24
8.3. Combustion Adjustment ............................................................................................................... 26
8.4. Fuel Pumps ................................................................................................................................... 26
8.5. Gas Adjustment ............................................................................................................................ 31
8.5.1. VGD 20 4011 - 5011 Series Gas Valve .................................................................................... 31
8.5.2. MB DLE Series Monoblock Gas Valve ................................................................................... 32
8.5.3. MB ZRD(LE) 405 – 412 Series Gas Valve .............................................................................. 34
8.6. Air Pressure Switch Adjustment .................................................................................................. 35
8.7. Servomotor Adjustment ............................................................................................................... 35
8.8. Emission Measurement ................................................................................................................ 36
8.9. Program Relay .............................................................................................................................. 36
8.10. Light Oil Burner Fuel Ring Line .............................................................................................. 39
8.11. Gas Pass Equipment Required in Gas Line .............................................................................. 40
9. MAINTENANCE ................................................................................................................................ 41
9.1. Weekly Maintenance .................................................................................................................... 41
9.2. Monthly Maintenance................................................................................................................... 41
9.3. Seasonal Maintenance .................................................................................................................. 42
10. TROUBLESHOOTING ................................................................................................................... 43
11. PERIODICAL FLUE GAS MEASUREMENT REPORT .............................................................. 44
12. AFTER SALES SERVICES ............................................................................................................ 45
13. NOTES ............................................................................................................................................. 46
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