elco Low-NOx N10.12000.30 G-EU2, Operation Manual

Page 1: ...Operation manual for the authorized specialist Gas forced draught burner Low NOx N10 G EU2 12 2011 14 072 205...

Page 2: ...er head settings 13 Gas connection 14 Gas train description 15 Start up Checking procedure 17 Disassembling firing head 18 Gas start up mode Gas operating mode General safety function 19 Fuel air comp...

Page 3: ...m to ensure a reliable supply with combustion air Maintenance The furnace system should be serviced at least once a year by an authorized specialist It is recommended to con clude a maintenance agreem...

Page 4: ...worn while work is being carried out on the system Specified adjustment maintenance and inspection work must be carried out at the specified intervals Before any work is carried out on the system the...

Page 5: ...combustion manager and other components Optional electro technical equipment BCS or Etamatic OEM as burner controller Power controller with protection soft start or Y D start externally in a separate...

Page 6: ...oller electronic compound controller gas valve leak detector is placed in the separated switch cabinet Combustion air An overpressure fan impeller with a steep characteristic is provided to ensure a h...

Page 7: ...full load range Boiler furnace pressure mbar Operation fields N10 12000 G EU2 according EN 676 Operation fields N10 14000 G EU2 according EN 676 Combustion power output MW Boiler furnace pressure mbar...

Page 8: ...11 12 13 14 15 16 17 Arbeitsfeld N10 16000 45 G E FQ Operation fields N10 16000 G EU2 FQe according EN 676 Technical data Operation fields Combustion power output MW Boiler furnace pressure mbar FQe f...

Page 9: ...ation volume flow natural gas m3 h t 15 C 1013 mbar dv 0 61 p p diagr T 288 1013 p dv 0 61 Pressure loss mbar Pressure loss gas mixed unit N10 G EU2 1 10 100 100 1000 10000 D r u c k v e r l u s t m b...

Page 10: ...sional drawing N 10 G EU2 The cover of motor is removable in case of ope ning boiler door for revi sion Motor with disassem bled protection grid Drilling Template Air intake box cover with dismantled...

Page 11: ...at a diameter not below 70 of the combu stion chamber diameter The space between the flame pipe of the burner and the boiler lining should be lined with heat resistant material such as Cerafelt This...

Page 12: ...of the burner reference should be made to the circuit diagram of the furnace system The electric connection of the burner and gas valves and instruments is allo wed to be entrusted to authorized spe...

Page 13: ...0 G EU2 620 155 118 491 497 375 65 30 10 N10 14000 G EU2 620 155 118 491 497 338 65 30 10 N10 16000 G EU2 620 155 118 491 497 338 65 30 10 Adjustment electrical Ignition Operation Gas ignition burner...

Page 14: ...e flue resistance of the boiler and the gas pressure loss of the burner and valves and instruments group Caution The absence of impurities and foreign bodies must be checked before installa tion and c...

Page 15: ...ains If the outlet side of the regulator i e individual fittings and instruments downstream of the gas pressure regula tor has not been designed to be com patible with the maximum supply pressure that...

Page 16: ...ailable gas flow pressure 100 Burner 101 Impulse pipe gas pressure 120 Air flap 141 Ball valve 142 Gas filter 144 Gas pressure regulator 145 Safety shut off valve SSV 148 Safety relief valve SRV 150 G...

Page 17: ...can be altered on the system without the use of tools As a result the position indicator is not always a definitive indication of flap position The position of the gas flap is always determined by the...

Page 18: ...hen closing the casing cover do the following steps Screw in the screws 8 to 13 by doing only a few turns Tighten the screws beginning with the screws 8 and 9 followed by the screws 10 and 11 and fina...

Page 19: ...electronic compound controller which in turn will control the actuators of the gas control damper and air control dampers and increase or decrease the flow rates according to a specific program The s...

Page 20: ...controller as an option During long burner operating periods in the partial load range in particular the reduction in blower speed helps to con serve electrical energy and reduce noise emissions from...

Page 21: ...ters have been appropriately configured to meet the requirements of the system The actua tors must similarly be chekked for cor rect adjustment During the I O test the manual gas shut off valves must...

Page 22: ...P2 closed N L PE P 1 The STM 40 servomotor is used in con junction with various electronic com pound control systems Priority with products supplied by Lamtec Etama tic Etamatic OEM VMS FMS With some...

Page 23: ...he electrical diagram and the supplementary information for the indi vidual flame sensors contained in the manufacturer s documentation N B The flame sensors must be regularly inspected for dirt and c...

Page 24: ...00 500 mbar Air pressure switch The air pressure switch is provided for monitoring the pressure of the combu stion air fan The pressure switch DL 50A has been designed for switching on off or over an...

Page 25: ...r Ambient temperature 15 to 60 C Storage temperature 20 to 80 C Threaded connection Rp to ISO 7 1 Pressure test points at the inlet down strearn of the strainer and at the out let Housing parts AlSi D...

Page 26: ...bar CG 50 being pre set at the factory to pG 10 mbar Pre setting Measure gas pressure pG at testpoint B Set gas pressure at pG in accord ance with the burner manufacturer sspecifi cations and flue gas...

Page 27: ...0 3 10 10 10 0 20 11 75 3 20 10 04 0 30 11 69 3 30 9 99 0 40 11 63 3 40 9 93 0 50 11 58 3 50 9 87 0 60 11 52 3 60 9 82 0 70 11 46 3 70 9 76 0 80 11 41 3 80 9 70 0 90 11 35 3 90 9 65 1 00 11 29 4 00 9...

Page 28: ...r temperature in C CO2 carbon dioxide content in Examples Measured values in natural gas opera tion CO2 content of the flue gases10 8 Flue gas temperature 195 C Air intake temperature 22 C Flue gas lo...

Page 29: ...eck the fan impeller for possi ble deformation and cracks 8 Clean the UV flame sensor 9 Clean the filters and screens 10 Check the electrical connections 11 Check the burner head setting Check the fla...

Page 30: ...ays a clean and fat free surface of all parts to be fitted into one another For reassembly Place the disk and the bush into their initial position wit hout rotating into one another make sure that the...

Page 31: ...essure 4 Are the shut off valves opened 5 Are all control and safety instruments such as boiler thermostat water supply failure cut out limit switches etc properly set 1 Ignition failure Cause Remedy...

Page 32: ...sen sor Clean flame sensor Burner fails to start Check connection of automatic fur nace controller Trouble lamp lights flame trouble Unlock and search for cause UV Radiation too weak Check combus tio...

Page 33: ...34 Manufacturer s declaration...

Page 34: ...GmbH D 64546 M rfelden Walldorf ELCO Austria GmbH A 2544 Leobersdorf ELCOTHERM AG CH 7324 Vilters ELCO Rendamax B V NL 1410 AB Naarden ELCO Belgium n v s a B 1731 Zellik ELCO Italia S p A I 31023 Resa...