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Providing sustainable energy solutions worldwide

178 006 85-2    2016-11-21

Installation- and maintenance instruction

BG 700/800/950

Summary of Contents for BG 700

Page 1: ...Providing sustainable energy solutions worldwide 178 006 85 2 2016 11 21 Installation and maintenance instruction BG 700 800 950...

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Page 3: ...c MB VEF 407 412 B01 _________________________19 4 3 Multi bloc MB VEF 415 420 B01 _________________________19 4 4 Multi Bloc MB VEF425 B01_________________________________20 4 5 Electritrical connect...

Page 4: ...n 3 to 30 C Temperature during transport storage 10 to 60 C Max relative air humidity 80 no condensate The installer must ensure that the room has suficient fresh air ventilation as per local norms Th...

Page 5: ...electrical appliances do not use mobile phones Open windows and doors Close the gas ball valve Warn residents do not use doorbells Vacate the building Notify the company installer or gas supplier once...

Page 6: ...ical safety and boiler and fuel distribution Check that the burner is approved for the intended grade of gas and connection pressure No safety systems on the burner may be disconnected The installer m...

Page 7: ...6 361 260 205 Long design 700 665 BG 950 Standard 1 350 310 280 255 Standard 2 550 510 Standard 3 650 610 K L M The above dimensions are max measurements Depending on the components used the measureme...

Page 8: ...c value G20 Natural gas 10 0 kWh Nm3 G25 Natural gas 8 0 kWh Nm3 G31 Propane 26 kWh Nm3 G30 Butane 34 kWh Nm3 Gas quantity and capacity vary according to grade of gas and connection pressure 1 1 2 Cap...

Page 9: ...G30 380 1650 BG 800 380 2400 kW BG 950 500 3200 kW mbar 32 28 24 20 16 12 8 4 0 4 400 900 1400 1900 2400 2900 3400 2 0 2 4 6 8 10 12 14 200 400 600 800 1000 1200 1400 1600 4 0 4 8 12 16 20 24 28 32 20...

Page 10: ...10 Bentone BG700M 800M 950M General 1 2 Description BG 700 800 950 15 23 12 24 13 26 25 4 1 2 29 7 9 6 8 21 16 17 18 19 20 9 6 7...

Page 11: ...onnection gas ittings 12 Ignition transformer 13 Air damper 14 Air damper motor 15 Air pressure switch 16 Fuse holder 17 Change over switch increase decrease 18 Change over switch manually automatical...

Page 12: ...r and the whole installation The supplier must instruct the user 2 4 Inspection and maintenance Daily inspection is advisable 2 5 Start up After the burner has been itted to the boiler and the electri...

Page 13: ...ner is approved for the gas quality of the installation If not please contact the supplier 2 Check that the gas components of the burner are approved for indicated gas pressure 3 The gas supply system...

Page 14: ...2 0 0 Filter couver 1 3 4 6 G 1 8 screw plug 2 Test nipple optional 5 M4 screwed sealing plug 4 Skeleton diagrams 4 1 Multi Bloc MB DLE405 412 B01 When Bio gas is used Enertech shall always be contac...

Page 15: ...roilter 3 Valve V1 4 Connection lange 5 Closing spring V1 6 Housing 7 Armature V1 8 Regulating spring 9 Solenoid V1 10 Gas pressure switch 11 Electrical connection 12 Valve V2 13 Closing spring V2 14...

Page 16: ...m of valve V2 is deined by pretensioning regulator spring 8 tension spring via setting screw 17 The output pressure acts via opening E on the working diaphragm 21 of the regulator part In regulated st...

Page 17: ...female thread for pL pF pBr pulse lines 0 Filter cup 1 2 6 5 4 5 4 2 0 0 p extern PN1 DN 4 min 5 x DN p p a p Br p a p Br Br F pL 7 8 9 3 p e 3 p e V N N V 1 0 7 6 9 8 5 3 4 1 0 7 5 3 4 2 2 4 3 Multi...

Page 18: ...4 2 3 6 7 6 7 1 3 2 4 5 MB VEF 425 B01 6 7 8 V2 V1 3 2 4 1 2 3 4 5 G 1 8 screwed seal plug 9 Test nipple option 6 7 8 Pulse lines pL pF pBr 4 5 Electritrical connection MB VEF 407 425 S 10 S 30 P1 L1...

Page 19: ...of the burner To facilitate the mounting of the boiler the burner head with gas lange and pull rods can be removed from the burner DO LIKE THIS Loosen the screw A on both sides and the two stop bolts...

Page 20: ...20 Bentone BG700M 800M 950M General 5 1 Wiring diagram LFL1...

Page 21: ...Air pressure switch S20 Main switch K1 Motor contactor with thermal overload protector R1 UV detector T1 Ignition transformer X1 Connection terminal board X2 Earth terminal X3 Plug in contact burner...

Page 22: ...es open The gas is ignited The ionization electrode indicates a lame 5 The safety time expires The ignition spark goes out The safety time expires If there is no lame or if for some reason the lame di...

Page 23: ...t been closed between terminals 12 and 4 or 4 and 5 1 Lockout because no lame signal has been received on completion of the 1st safety time Any flame signal failure after completion of the first safet...

Page 24: ...apy water or a leak location spray After tightening repeat the test Electric function test Ensure that phase and neutral are not reversed The gas shut off cock should be closed To prevent the gas pres...

Page 25: ...25 Bentone BG700M 800M 950M General Natural gas LGP 6 2 Gas nozzle BG 700 800 Natural gas LPG 3 4 45 Distance electrode brake plate 6 3 Gas nozzle BG 950 Natural gas LPG Natural gas LPG UV sond...

Page 26: ...ws f 273 t 1013 25 273 B Pu t Temperature of the gas at the gas meter 15 C B Barometer height 945 mbar Pu Pressure of the gas at the gas meter 15 0 mbar f 273 15 1013 25 273 945 15 f 11 1 The gas volu...

Page 27: ...8 downstream of ilter possible on both sides 9 Test point connection G 1 8 downstream of V2 10 Setting screw zero point adjustment N 11 G 1 8 pressure connection for pF furnace pressure 12 G 1 8 press...

Page 28: ...family 1 2 3 Outlet pressure 0 5 100 mbar Zero point adjustment N 2 mbar Pressure switch DIN3398 TI Fan pressure PL0 4 100 mbar Fire room pressure PF 2 5mbar Burner pressure PBr 0 5 100 mbar 7 4 Moun...

Page 29: ...alve 2 8 Output lange 9 Test point connection G 1 8 downstream of valve 1 possible on both sides 10 Test point connection G 1 8 possible 11 Solenoid 12 Hydraulic brake and setting plate 13 Setting cap...

Page 30: ...le does not licker increase N When the lame is established adjust the gas low by means of the screw N Use a lue gas instrument Change over to max load press the switch increase Adjust the gas low with...

Page 31: ...ady for start up Howerer study the sections dealing with adjustments of multi bloc combustion air and combustion head Open the ball valve and switch on the main switch If the burner starts the actual...

Page 32: ...control Connect the A meter see igure Min required ionisation current according to table In practice this current must be considerably higher preferably more than 10 A All the gas burners are equippe...

Page 33: ...the gas pressure is too low and prevent the burner from starting Too low a gas pressure during operation should stop the burner The burner may start again when the rated gas pressure has been reached...

Page 34: ...l troubles Trouble free operation is depending on three factors electricity gas and air supply Should there be any changes in the ratio between these three factors there is a risk of break downs It ha...

Page 35: ...t Cause Remedy The burner does not start No gas Check that all gas cocks are open No voltage Check fuses thermostats and electrical connections The burner motor fails to start The thermal protection h...

Page 36: ...ty authorities The ignition electrodes are disturbing the ionisation current Adjust the ignition electrodes repole the ignition transformer if necessary Bad earthing Arrange for proper earthing Phase...

Page 37: ...transformern Bad combustion Bad draught conditions Check the chimney The lue gas temperature is too high The boiler is overloaded Reduce the quantity of gas The CO2 content is too low Check the boiler...

Page 38: ...rmostats for example room ther mostat if any 4 Check that the gas pressure to the burner is suficient 5 Check that the electric fuses have not blown 6 Make a new attempt to start the burner and check...

Page 39: ...oom Chimney Measure ment Before After ppm C A mbar mbar Small lame Large lame Measures Date Nm3 gas h Governor O2 CO Flue gas temp Ionisa tion current Pressure Eficiency Fire room Chimney Measure ment...

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Page 44: ...Enertech AB P O Box 309 SE 341 26 Ljungby www bentone se www bentone com...

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