Table of Contents
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TABLE OF CONTENTS
WARNINGS ........................................................................................................................................................ ....... 3
PART I: INSTALLATION MANUAL .......................................................................................................................... 5
GENERAL FEATURES ................................................................................................................................................................... 5
BURNERS FEATURES .................................................................................................................................................................. 7
Burner model identification ............................................................................................................................................................. 7
Technical Specifications ................................................................................................................................................................. 7
Country and usefulness gas categories .......................................................................................................................................... 8
Overall dimensions ......................................................................................................................................................................... 9
Performance Curves ..................................................................................................................................................................... 11
Pressure in the Network / gas flow rate curves ............................................................................................................................ 12
MOUNTING AND CONNECTING THE BURNER ........................................................................................................................ 13
Packing ......................................................................................................................................................................................... 13
Handling the burner ...................................................................................................................................................................... 13
Fitting the burner to the boiler ....................................................................................................................................................... 13
Matching the burner to the boiler .................................................................................................................................................. 14
GAS TRAIN CONNECTIONS ....................................................................................................................................................... 16
Pilot gas train ................................................................................................................................................................................ 20
Assembling the gas train ............................................................................................................................................................... 21
Siemens VGD20.. and VGD40.. gas valves - with SKP2.. (pressure governor) ......................................................................... 22
Pressure adjusting range .............................................................................................................................................................. 23
ELECTRICAL CONNECTIONS .................................................................................................................................................... 25
Rotation of fan motor .................................................................................................................................................................... 27
ADJUSTING AIR AND GAS ......................................................................................................................................................... 28
Combustion head gas pressure curves depending on the flow rate ............................................................................................. 28
Measuring the gas pressure in the combustion head ................................................................................................................... 28
Pressure in combustion head - gas flow rate curves .................................................................................................................. 29
ADJUSTING AIR AND GAS FLOW RATES ................................................................................................................................. 30
Gas Filter ...................................................................................................................................................................................... 30
Adjusting the pilot gas flow rate .................................................................................................................................................... 30
Adjusting air and gas flow rates .................................................................................................................................................... 31
Adjustments - brief description ...................................................................................................................................................... 31
Adjustment procedure ................................................................................................................................................................... 31
Air and Gas Flow Rate Settings by means of Siemens SQM40../Berger STM30.. actuator ......................................................... 32
Adjustment by the Siemens SQL33.. actuator .............................................................................................................................. 34
Fully modulating burners ............................................................................................................................................................... 35
Adjusting the combustion head ..................................................................................................................................................... 36
Calibration of air and gas pressure switches ................................................................................................................................ 37
Calibration of air pressure switch .................................................................................................................................................. 37
PART II: OPERATION ............................................................................................................................................. 39
OPERATION ................................................................................................................................................................................. 40
PART III: MAINTENANCE ....................................................................................................................................... 41
ROUTINE MAINTENANCE ........................................................................................................................................................... 41
Gas filter maintenance .................................................................................................................................................................. 41
Inspection and replacement of the MULTIBLOC DUNGS MBC..SE filter (Threaded valves group) ............................................ 41
Electrodes Adjustment .................................................................................................................................................................. 43
Replacing the electrodes .............................................................................................................................................................. 44
Cleaning and replacing the detection photocell ............................................................................................................................ 45
Checking the detection current ...................................................................................................................................................... 45
Replacing the spring in the gas valve group ................................................................................................................................. 46
Seasonal stop ............................................................................................................................................................................... 46
Burner disposal ............................................................................................................................................................................. 46
TROUBLESHOOTING .................................................................................................................................................................. 47
BURNER EXPLODED VIEW ........................................................................................................................................................ 48
SPARE PARTS ............................................................................................................................................................................. 50
ELECTRICAL WIRING DIAGRAMS ............................................................................................................................................. 52
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