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178 001 80

Installation- and maintenance instruction

BG 700-2

Summary of Contents for BG 700-2

Page 1: ...178 001 80 Installation and maintenance instruction BG 700 2...

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Page 3: ...p is installed before servicing Take great care when servicing Trap and pinch risks can be present The boiler s sound level can exceed 85 dBA during operation Use ear protectors when present in the bo...

Page 4: ...eclare under our sole responsibility that the product name type or model batch or serial number possibly sources and number of items BG100 BG150 BG200 STG120 STG146 BG300 BG300LN BG400 BG400LN BG450 B...

Page 5: ...s not suficient Increase the lue gas temperature by increasing the gas supply Insulate the chimney REMEDY CAUSE 4 4 927 230 A 199 820 403 513 781 403 413 Capacity chart according to EN 676 Out range T...

Page 6: ...sations at start The ignition electrodes are wrongly adjusted Readjust The gas pressure is too high Check and adjust by means of a pressure gauge and a pressure adjustment valve The lue gas side is bl...

Page 7: ...relay defective Replace Air pressure switch incorrectly adjusted or defective Check the adjustment and readjust No reponse as the cams of the servomotor are not correctly adjusted or out of position T...

Page 8: ...nly be ensured by the correct combined effect of the three factors electricity gas low and combustion air Should any of these factors change troubles may arise It has been proved that many troubles ha...

Page 9: ...ity gasandair supply Should there be any changes intheratiobetweenthesethreefactors there is a risk of break downs It has been proved that most break downs are caused by simple faults Before callingth...

Page 10: ...e reason for a low ionisation current may be leaking currents bad connec tion to earth dirt or a faulty position of the lame electrode in the burner head Sometimes also a faulty gas air mixturemaycaus...

Page 11: ...ner is converted to ire another gas quality it must be re commissioned If town gas is to be ired the combustion head must be converted and the gas train adjusted to suit e g a larger gas armature or a...

Page 12: ...nd the motor will be dead Remove the link from the gas pressure switch after the test is inished 172 205 34 07 01 Leakage control Gas train Noteon2 stageandmodulatingburn ers that during the pre purgi...

Page 13: ...ipple inlet pressure 11 Test nipple pressure after governor 12 Test nipple before governor 13 Filter Max inlet pressure 360 mbar Adjustable governor pressure 405 412 S50 4 50 mbar 415 420 S20 4 20 mba...

Page 14: ...formation please contact the gas distributor 172 305 54 08 01 FUNCTION 2 STAGE DESIGN Air adjustment The damper motor turns the damper between three pre set positions fully closed low load full load T...

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