Enertech BG950 Installation And Maintenance Instructions Manual Download | Manualshive

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5. ELECTRIC EQUIPMENT

5.4 Wiring diagram LFL 1... with R316

Damper position

Design

without A3

Design without S10

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Summary of Contents for BG950

Page 1: ...178 001 85 Installation and maintenance instruction BG950...

Page 2: ...h R316 15 5 5 List of components with R316 16 5 6 Function 16 5 7 Control programme under fault conditions and lockout indication LFL1 17 5 8 Technical data LFL1 17 6 MEASURES AND CHECKS BEFORE START...

Page 3: ...sure switch 31 12 5 Adjustment of max gas pressure switch 31 12 6 Gas pressure switch air pressure switch 31 13 LEAKAGE CONTROL DUNGS VPS 504 SERIES 2 32 13 1 Technical data 32 13 2 Programme sequence...

Page 4: ...ponents 1 Flame cone 4 Fan wheel 6 Shrouded disc 7 Ignition electrode 8 Nozzle 9 Ionisation electrode 12 Ignition transformer 13 Air damper 15 Air pressure switch 23 Contactor with thermal overload pr...

Page 5: ...house 10 Motor 11 Connection gas fittings 14 Air damper motor 16 Fuse holder 17 Change over switch increase decrease 18 Change over switch manually automatically 19 Indicating lamp 20 Switch l ll 21...

Page 6: ...he guide stop 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 prese...

Page 7: ...V 50Hz Secondary 8 000 V 20 11 5A 3 phase 2 4 Capacity chart according to EN 676 G20 G30 G31 G25 Length of burner tube 5 mm Flange Measure A 5 mm Burner tube Measure B Burner tube Measure C Standard...

Page 8: ...0625 BG300 CE 0085 AP 0626 BG400 CE 0085 AU 0156 BG450 CE 0085 BP 0352 BG550 CE 0085 BP 0353 BG550LN CE 0085 AO 0084 BG600LN CE 0085 BP 0354 BG650 CE 0085 AT 0313 BG700 CE 0085 AT 0314 BG800 CE 0085 B...

Page 9: ...Gas pressure switch mini 5b Gas pressure switch maxi 6a Main valve 2 stage 6b Safety valve 1 7 Valve proving system 8 Air damper motor 9 Air pressure switch 10 Gas burner control Pos 5b 7 Components...

Page 10: ...is easy to lift the burner on to the pull rods If the gas assembly needs to be inspected the pull rods are very useful Loosen the screw A and pull out the burner on the pull rods Loosen the screws B...

Page 11: ...12 5 ELECTRIC EQUIPMENT 5 1 Wiring diagram LFL 1 with Ionization electrode Damper position Design without A3 Design without S10 3N 50 60 Hz 400 V...

Page 12: ...olenoid valve 1 Y3 Safety solenoid valve Mains connection and fuse in accordance with local regulations 5 3 Function 1 Operating switch ON Thermostat ON Gas pressure switch ON Air damper closed A cont...

Page 13: ...14 5 ELECTRIC EQUIPMENT 5 4 Wiring diagram LFL 1 with UV Detector Damper position Design without A3 Design without S10 3N 50 60 Hz 400 V...

Page 14: ...alve 1 Y3 Safety solenoid valve 5 6 Function 1 Operating switch ON Thermostat ON Gas pressure switch ON Air damper closed A control is made that the air pressure switch does not indicate fan pressure...

Page 15: ...16 5 ELECTRIC EQUIPMENT 5 4 Wiring diagram LFL 1 with R316 Damper position Design without A3 Design without S10...

Page 16: ...of the operating switch or the thermostat The control locks out The red lamp in the control is lit Restart the burner by pressing the reset button Mains connection and fuse in accordance with local r...

Page 17: ...damper motor Terminals 6 7 and 14 are under tension until the fault has been remedied Lockout because no flame signal has been received on completion of the 1st safety time Any flame signal failure af...

Page 18: ...the gas control The gas valve is energized and opens and flame is established At the end of the safety time 2 3 sec the gas control locks out The solenoid valve and the motor will be dead Re move the...

Page 19: ...3 4 45 20 6 MEASURES AND CHECKS BEFORE START UP 6 2 Inner assembly Natural gas LPG Distance ionisation electrode shrouded disc...

Page 20: ...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 f 1 11 7 DETERMINATION OF GAS VOLUME FOR THE INSTALLATION Specifications o...

Page 21: ...ction 1 8 before V1 before governor 11 Connection M4 for measurement of burner pressure after V2 12 Adjustment screw for zero point adjustment N min load 13 Test point connection 1 8 PF 14 Test point...

Page 22: ...est point connection before V1 6 Filter 7 Data plate 8 Connection 1 8 PL 9 Adjustment screw V for ratio PBr PL max load 10 Adjustment screw for zero point adjustment N min load 11 Test point connectio...

Page 23: ...mily 1 2 3 Outlet pressure 0 5 100 mbar Zero point adjustment N 2 mbar Pressure switch DIN3398 TI Fan pressure PL 0 4 100 mbar Fire room pressure PF 2 5mbar Burner pressure PBr 0 5 100 mbar 8 3 Mounti...

Page 24: ...ar DN 65 125 pe min 15 mbar pe max 360 mbar Ambient temperature 15 C 60 C Degree of protectionIP 54 acc IEC 529 DIN 40 050 U n AC 220 V 15 230 V 10 AC 110 V 120 V DC 48 V DC 24 V 28 V Switch on durati...

Page 25: ...2 Vent plug G 1 8 1 Electrical connection for valves DIN EN 175 301 803 2 Input flange 3 Pressure connection G 1 4 4 Sieve 5 Type plate 6 G 1 8 pressure connection for pL blower pressure 7 Setting scr...

Page 26: ...seal 9 3 Mounting 5 Option externer Impuls Attach pulse lines pBr pL pF 6 After installation perform leakage and functional test 7 Disassembly in reverse order 4 3 2 1 9 4 Installation of pulse lines...

Page 27: ...s V and N 2 Start burner Adjustment of setting values N and V only possible in operation Fig 1 3 Check ignition reliability of burner 4 At min performance Set zero point adjustment N 5 At max performa...

Page 28: ...strument Change over to max load press the switch increase Adjust the gas flow with V and check at the same time the combustion values Go back to min load and check the combustion value Adjust if nece...

Page 29: ...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 adjustment can be...

Page 30: ...trol Connect the A meter see figure 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 equipped w...

Page 31: ...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 Remove the protective cover Connect a press...

Page 32: ...creases the gas pressure Pe in the section by approx 20 mbar compared with the input pressure at valve V1 During the test time the integrated differential pressure sensor monitors the test section for...

Page 33: ...S 2 13 3 Program sequence schedule Controller Motor pump Solenoid valve Differential pressure sensor Release signal Controller Motor pump Solenoid valve Differential pressure sensor Release signal Con...

Page 34: ...n 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 has been proved that most break do...

Page 35: ...fault location we have drawn up a scheme showing the most frequent faults in a gas burner installation and the remedies Cause Remedy The burner does not start No gas Check that all gas cocks are open...

Page 36: ...e of flame establishment No ionisation current or the UV cell in wrong position Adjust the ionisation electrode and the UV cell examine cables and connections The supervision part of the gas relay is...

Page 37: ...5 of the rated current Air pressure switch defective or incorrectly adjusted Contact the electricity authorities if necessary Spark over in ignition electrodes Replace the electrodes The ambient tempe...

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