elco N6.2400 G-R Operating Instructions Manual Download

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10/2010 - Art. Nr. 4200 1030 6900A

N6.2400 G-R
N6.2900 G-R
N7.3600 G-R
N7.4500 G-R

Operating instructions

For specialist installation engineers

Gas burners ........................................... 2-25

de, fr ..................................... 4200 1030 7000
it, nl ...................................... 4200 1031 9200

............................................. 4200 1028 8600

Summary of Contents for N6.2400 G-R

Page 1: ...Art Nr 4200 1030 6900A N6 2400 G R N6 2900 G R N7 3600 G R N7 4500 G R Operating instructions For specialist installation engineers Gas burners 2 25 en de fr 4200 1030 7000 it nl 4200 1031 9200 4200 1...

Page 2: ...achinery directive 2004 108 EC EMC directive 2006 95 EC Low voltage directive 2009 142 EC Gas appliances Directive 97 23 EC Pressure Equipment Directive Pirna 26th May 2010 D HOFFMANN Important inform...

Page 3: ...wer controller option 5 Housing 6 Gas inlet flange 8 Burner flame tube 10 Integrated electrical cabinet 11 Burner fixing flange 13 Air intake box 14 Mechanical compound 19 Hoisting eyes F6 Air pressur...

Page 4: ...is provided a stepless control concept The stepless control will allow the burner to be operated at any desired stage between its partial load and full load positions The burner will always be turned...

Page 5: ...e electric drive unit in dependence of the heat requirement The air damper and the gas damper will be controlled by the same system To ensure an optimum air to fuel adjustment over the full control ra...

Page 6: ...in the annex and in the documents LFL 1 7451 LGK Functional diagram LFL 1 LGK A Starting type interval A B Flame development interval B Burner has reached operating position B C Burner operation heat...

Page 7: ...n 5 Actuator SKP 15 6 Actuator SKP 25 7 Gas main valve VGD 8 Gas manometer with push button downstream option 9 Gas tightness control unit en Technical data Input pressure 360 mbar max Ambient tempera...

Page 8: ...s not allowed to be lined with brickwork Note for reverse flow boilers For reverse flow boilers the dimension T1 is only a recommended value Depending on type of boiler the burner head must stand at l...

Page 9: ...valves and instruments group care should be taken to observe the flue resistance of the boiler and the gas pressure loss of the burner and valves and instruments group Caution The absence of impuritie...

Page 10: ...sation probe and of the ignition electrode as per the diagrams Insert the combustion components into the head tighten the mounting screws S3 Connect the ionisation cable IK and the ignition cable ZK o...

Page 11: ...f the gas line should be of a size designed to guarantee that the gas flow pressure does not drop below the specified level A manual shut off valve not supplied must be fitted upstream of the gas trai...

Page 12: ...ressure Adjust the max power switch again Burner power should never exceed the max heat generator allowed flame power see chapter entitled Exhaust gas test Decrease power gradually down to min power u...

Page 13: ...ate the selection of the switching points The cam plates are provided with a small pointer for indicating the switching point of a scale between the setting ranges An additional scale fitted to the en...

Page 14: ...ke sure the polarity of the device is observed see connection examples for the control box LFL 1 LGK During ionisation monitoring it is important that the signal is transmitted without wastage The con...

Page 15: ...e of the combustion air fan The pressure switch Dungs LGW has been designed for switching on off or over an electric circuit in the case of changes of the actual pressure levels from the setpoint sett...

Page 16: ...re proper conditions for start up the distance between the burner and the gas shut off valve must be as low as possible On completion of installation the gas valves and instruments group must be subje...

Page 17: ...list There follows a general description of the gas train Gas trains with a double valve are intended for the supply main shut off gas filtration gas pressure regulation and monitoring of the gas supp...

Page 18: ...ptions in accordance with country specific requirements 143 Pressure gauge with pushbutton valve 147 Test burner with pushbutton valve 148 Compensator 154 Gas safety valve additional 313a Max gas pres...

Page 19: ...re reinstallation NOTE For the installation of the filter mat take care to observe the marking or sticker en Test burner Depending on the country specific requirements when installing steam boilers it...

Page 20: ...urner s control and safety unit which then starts its cycle If leakage test is NOK red light comes on and no power is fed to the control and safety unit Control cycles have to be restarted manually Ch...

Page 21: ...ctive parts if necessary Clean the fan wheel and the blower Clean the gas filter replace it if necessary Visual inspection of the burner s electrical components eliminate malfunctions if necessary Che...

Page 22: ...lts in the relevant documents Important Once the pressure switches have been set they must be protected to prevent settings from being altered For example this can be done by placing a spot of varnish...

Page 23: ...lace cable search for cause and eliminate Pilot burner failure Adjust ignition gas pressure Ignition gas valve does not open Search for cause and eliminate Defective solenoid Replace 2 Motor running f...

Page 24: ...ten to the motor bearing noise to identify possible irregularities 4 Mixing unit gives poor combustion data Cause Remedy Incorrect settings Correct settings Incorrect mixture ignition unit Replace uni...

Page 25: ...ir Damper CLOSED limit switch is missing or a contact is not closed between terminals 12 and 4 or 4 and 5 or the contacts of all control and safety units in the controlled system are not closed e g ga...

Page 26: ...10 2010 Art Nr 4200 1030 6900A 26...

Page 27: ...10 2010 Art Nr 4200 1030 6900A 27...

Page 28: ...60 1731 Zellik 02 4631902 ELCOTHERM AG Sarganserstrasse 100 7324 Vilters 0848 808 808 ELCO GmbH Dreieichstr 10 64546 M rfelden Walldorf 0180 3526180 ELCO Italia S p A Via Roma 64 31023 Resana TV 800...

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