Home

Specifications/Installation

1. 3 Test connection l zu A mT 4 Mounting surface r e E Ne Po o po pP E G Y PN o o o o E A J L L SEN G uS H a N E ay A Dimensions in inches unless stated otherwise Burner size A B fe D E F G H l J K L M N ES 1x1 22 12 18 5 8 48 16 24 6 45 12 24 8 06 4 22 0 56 12 0 44 2 5 41 1x1 5 28 12 24 5 848 16 24 6 45 12 24 8 06 4 22 0 56 18 044 2 5 48 0 0 O I 1x2 34 12 30 5 8 48 16 24 6 45 12 24 8 06 4 22 0 56 24 0 44 2 5 54 1x2 5 40 12 36 5 8 48 16 24 6 45 12 24 8 06 6 4 22 0 56 30 0 44 2 5 61 2x1 22 12 18 5 8 48 28 24 6 45 24 24 8 06 12 4 22 0 56 12 0 44 7 12 68 2x1 5 28 12 24 5 8 48 28 24 6 45 24 24 8 06 12 4 22 0 56 18 0 44 7 12 75 2x2 34 12 30 5 8 48 28 24 6 45 24 24 8 06 12 4 22 0 56 24 044 7 12 82 2x2 5 40 12 36 5 8 48 28 24 6 45 24 24 8 06 12 4 22 0 56 30 0 44 7 12 88 3x1 22 12 18 5 8 48 40 24 6 45 36 24 8 06 18 4 22 0 56 12 0 44 7 12 95 3x1 5 28 12 24 5 8 48 40 24 6 45 36 24 8 06 18 4 22 0 56 18 0 44 7 12 102 3x2 34 12 30 5 8 48 40 24 6 45 36 24 8 06 18 3x2 5 40 12 36 5 8 48 40 24 6 45 36 24 8 06 18 4 22 0 56 24 0 44 7 12 109 4 22 0 56 30 044 7 12 116 0 0000 Mm D
2. 1 H u ID pa EE er 8 5 Burner support custom made A A B 4 3 k 6 Burner mounting plug custom made j Jj i m drawing shows typical lay out mr i 7 Mounting plate l i 4 to be used in case of external ignitor L4 J x Pos M and flame scanner option soa Qr ry dvo m va TKD j m 7 k i La N x S iy stus Z B B C C D Dimensions in inches unless stated otherwise Burner size 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 L 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 Gas inlet 1 1 1 11 2 1 1 2 1 1 2 11 2 2 2 2 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 A 16 54 16 54 16 54 16 54 16 54 16 54 16 54 16 54 16 54 16 54 16 54 16 54 16 54 20 47 20 47 B 24 41 24 41 28 35 28 35 28 35 28 35 36 22 36 22 36 22 36 22 36 22 36 22 36 22 44 09 44 09 J 2 11 81 11 81 11 81 11 81 11 81 11 81 11 81 11 81 11 81 11 81 11 81 11 81 11 81 15 75 15 75 H 2 19 69 19 69 23 62 23 62 23 62 23 62 31 50 31 50 31 50 31 50 31 50 31 50 31 50 39 37 39 37 weight Ibs 129 147 157 174 185 199 242 254 268 281 294 307 389 404 422 Dimensions in inches unless stated otherwise Burnersize 8 8 5 9 9 5 10 10 5 11 11 5 12 12 5 13 13 5 14 14 5 15 L 96 102 108 114 120 126 132 138 144 150 156 162 168 174
3. 180 Gasineti 3 a a a ar ar ge 4 4 a ae ae ae loa A 2047 20 47 20 47 20 47 20 47 20 47 20 47 20 47 20 47 20 47 20 47 20 47 20 47 20 47 20 47 B 44 09 44 09 44 09 44 09 44 09 44 09 44 09 44 09 51 97 51 97 51 97 51 97 51 97 51 97 51 97 J i 15 75 15 75 15 75 15 75 15 75 15 75 15 75 15 75 15 75 15 75 15 75 15 75 15 75 15 75 15 75 H 39 37 39 37 39 37 39 37 39 37 39 37 39 37 39 37 47 24 47 24 47 24 47 24 47 24 47 24 47 24 weight Ibs 440 455 471 572 594 616 632 651 715 735 755 775 794 815 832 1 Gas inlet connection standard ISO threaded for sizes up to and including 2 Larger sizes standard have DIN PN10 flanged connections NPT threaded and ANSI 150lbs flanges available on request 2 Plug to be mounted in an opening with min dimensions J x H W WW M AX ON CGCORP COM N COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved Duct Burners APX Burners Teig dm E i 4 13 For complete burner dimension information the following application dependent dimensions should be defined W internal duct width S d
4. 21 9 19 Duct Burners APX Burners E i 4 3 Piping Except for the slide in units where the air and gas distribution is incorporated into the burner design special attention should be paid to the execution of air and gas manifolds feeding the air and gas inlet s of all the other APX burner versions Common engineering practice should be followed to equally feed the burner at each air and gas connection Prevent too high velocities which may cause unequal pressure build up Burner and piping shall be independently supported to allow for thermal expansion to prevent any stress on the burner inlets and to prevent the transmission of vibrations Fuels MAXON APX burners can fire natural gas propane butane and LPG and are able to fire multiple fuels simultaneously if the control system is properly designed Alternative fuels may be possible Contact MAXON for more information Expected Emissions The clean hot air generated by MAXON APX burners meets most of the local requirements of make up air systems over the full turndown of the burners Also in low temperature ovens and drying systems MAXON APX burners are able to fire with both low NO and CO over its entire turndown meeting the most stringent local emission requirements The production of pollutants can be highly dependant upon burner application and installation Differing temperatures process velocities oxygen levels fuels and other process relate
5. 5 Mounting surface Us rj 6 Pilot air shutter A a d el ol J SN 1 J Lu E ay RE Ta ji G Dimensions in inches unless stated otherwise A B C OD Ern Fn G H J K L 1 1 1 8 3 6 0 4 10 8 9 4 34 6 0 0 8 2 5 6 5 1 Clearance for flame rod removal W WW M AX O0 N COR P GOM MAXON A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved 4 21 9 28 E i 4 13 FIG 2 1 Flame rod connection1 1 4 NPT 2 F 3 Optional sight glass 4 Gastest connection 1 8 NPT lame rod Duct Burners APX Burners 5 Mounting surface Dimensions in inches unless stated otherwise A 1 1 BC 1 8 3 6 D 0 4 E 1 9 3 Fu G 69 5 H 2 5 J 1 5 K 2 L 6 5 0 8 1 Clearance for flame rod removal FIG 3 1 Sparkignitor connection M14x1 25 2 Spark ignitor 3 Gas test connection 1 8 NPT 4 Mounting surface Dimensions in inches unless stated otherwise A B C D Eq Fr G H J K L M N 1 1 1 8 3 6 0 4 3 3 2 7 5 2 5 1 5 6 5 0 8 1 4 1 Clearance for spark ignitor removal W WW M AX O NC OR MAXON A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY P
6. A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved Duct Burners APX Burners APX9 endplate accessories included in the endplate assembly 4 21 9 15 E i 4 13 Accessories included in the endplate sets except not when explicitly written Endplate set Flame rod UV tube 1 Spark ignitor Adjustable orifice Gas test port FIG1 FR 4 FR APX NA SI APX 10mm AO 3 8 NPT NA FIG1 UV 4 NA NA SI APX 10mm AO 3 8 NPT NA FIG2 FR FR APX NA NA NA 1 8 NPT FIG2 SG NA NA NA NA 1 8 NPT FIG2 PLN NA NA NA NA 1 8 NPT FIG3 SI NA NA SI APX 14mm L NA 1 8 NPT FIG4 FR FR APX NA SI APX 1 2 14 AO 3 8 NPT NA FIG4 UV NA UVT 1 1 SI APX 1 2 14 AO 3 8 NPT NA FIG5 FR FR APX NA SI APX 14mm S AO 3 8 NPT 8 1 8 NPT FIG5 UV NA UVT 2 1 SI APX 14mm S AO 3 8 NPT 8 1 8 NPT FIG6 FR 5 2 5 NA 3 5 AO 3 8 NPT 1 8 NPT FIG6 UV 5 NA UVT 2 t 3 5 AO 3 8 NPT 1 8 NPT NP EP SI FR UV ej 7 NA NA SI APX 14mm L NA 1 8 NPT NP EP PLN 7 NA NA NA NA NA 1 Only applicable for US supplies spark excitation 2 Select correct flame rod from table Feed thru flame rods on page 4 21 9 18 3 Select correct spark ignitor from table Feed thru spark ignitors on page 4 21 9 17 4 These endplate sets include a pilot nozzle and air shutter to adjust the bypass pilot air 5 Feed thru endplate sets FIG6 do not include SI FR For fresh air applic
7. 11 5 11 5 11 5 11 5 11 5 11 5 11 5 11 5 11 5 11 5 L 13 5 19 5 25 5 31 5 37 5 43 5 49 5 61 5 73 5 85 5 97 5 109 5 121 51133 5 145 5 157 5 169 5 181 5 me 14 21 27 34 41 49 55 68 82 95 109 123 136 150 164 177 191 205 W WW MAX ON COR PP 0C 0M COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice MAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 22 E i 4 13 Duct Burners APX Burners 1 to 15 ft packaged blower not for EC market This modular straight burner includes one or more combustion air blowers This version is not suitable for the EC market The packaged burner dimensions are the same as those of the external blower version see page 4 21 9 21 Additional to the external blower version the packaged version has one or more combustion air blowers mounted directly on the back of the burner For positions of these combustion air inlets see page 4 21 9 21 For dimensions of blowers see page 4 21 9 34 APX H Style burners wall mounted 2 Airinlet shutter e E P ppm o 1 Gasinlet 1 1 2 NPT i a i j T 5i I 1 e ie 5 ES gt
8. CS FR 36 CS quartz flame rod 36 SS FR 36 SS quartz flame rod 36 FRL T 36 quartz flame rod 48 CS FR 48 CS quartz flame rod 48 SS FR 48 SS quartz flame rod 48 FRL T 48 quartz flame rod Iz Select your flame rod in function of the required length 12 to 48 in steps of 6 Flame development Tables page 4 21 9 9 page 4 21 9 10 and page 4 21 9 11 are giving typical flame length of MAXON APX burners for the shown combustion air amount burner capacity and application fresh air versus recirculating air Note that flame length is influenced by different factors such as Excess air factor higher excess air will reduce flame length Process air velocity higher velocity will reduce flame length Type of fuel butane flames will typically be longer than natural gas flames Burner length shorter burners will give shorter flame lengths Wi Air distribution at the burner inlets see Piping below In case the burner is fired with low excess air in low oxygen environment flame may become quite radiant Take this into consideration for the design of combustion chambers choice of materials distance to the wall expansion allowance Contact MAXON for more information W WW M AX ON CGCORP COM N COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved 4
9. DC O M MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved 4 21 9 29 Duct Burners APX Burners E i 4 13 FIG 4 1 Spark ignitor connection 3 4 16 2 UV flame rod connection 1 4 NPT 3 Pilot gas connection 3 8 NPT 4 Flame rod 5 Mounting surface 6 Pilot gas adjusting needle valve Dimensions in inches unless stated otherwise A B C OD E 1 F 1 G H J K L P S 1 1 1 8 3 6 0 4 10 7 7 9 5 0 2 5 3 5 4 0 6 5 0 8 1 Clearance for flame rod removal FIG 5 1 Spark ignitor connection M14x1 25 2 UV flame rod connection 1 4 NPT f 3 Pilot gas connection 1 4 NPT 1 3 eum 4 Flame rod 5 Mounting surface 6 Gas test connection 1 8 NPT 1 NOTE a 3 8 adjustable orifice is still used along with a nipple and a reducer Dimensions in inches unless stated otherwise A B C DEn F G H J K L M N R S T 1 1 1 8 36 04 9 3 6 9 5 2 5 1 5 2 6 5 0 8 141 15 05 06 1 Clearance for flame rod removal W W W M AX OUO N COR P C OM COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice l IAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 30 E i 4 13 Duct Burne
10. 2096 For low oxygen recirculating applications we advise to limit the max capacity per foot to 1 MBtu hr with n 1 3 Pressure differential between burner test connection and combustion chamber for propane butane to be used for burner commissioning SP burner Standard Pressure drillings Actual pressure differential at burner gas inlet is approx 5 higher Pressure differential between burner test connection and combustion chamber for natural gas to be used for burner commissioning LP burner Low Pressure drillings Actual pressure differential at burner gas inlet is 5 higher Differential combustion air pressure between burner air test connection and combustion chamber for commissioning Typical differential combustion air pressure for 5 ft APX to be used for blower selection Advised combustion air flow and air factor n for best burner performance For recirculating air heating with low oxygen advised air factor is 20 higher n gt 1 1 for fresh air firing n gt 1 3 for recirculating processes Typical flame length for shown air amount and capacity Flame length may vary as a function of process air flow distribution velocity temperature oxygen level etc Contact MAXON for more information W WW M AX O NGC ORP COM N COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved
11. 68 0 4 24 2 5 54 1x2 5 44 62 36 5 8 41 16 24 6 45 12 24 8 6 6 68 0 4 30 2 5 61 2x1 26 62 18 5 8 41 28 24 6 45 24 24 8 18 6 68 0 4 12 7 68 2x1 5 32 62 24 5 8 41 28 24 6 45 24 24 8 18 6 68 0 4 18 7 75 2x2 38 62 30 5 8 41 28 24 6 45 24 24 8 18 6 68 0 4 24 7 82 2x2 5 44 62 36 5 8 41 28 24 6 45 24 24 8 18 6 68 0 4 30 7 88 3x1 26 62 18 5 8 41 40 24 6 45 36 24 8 30 6 68 0 4 12 7 95 3x1 5 32 62 24 5 8 41 40 24 6 45 36 24 8 30 6 68 0 4 18 7 102 3x2 38 62 30 5 8 41 40 24 6 45 36 24 8 30 6 68 0 4 24 7 109 3x 2 5 44 62 36 5 8 41 40 24 6 45 36 24 8 30 6 68 0 4 30 7 116 3x 3 5 56 62 48 5 8 41 40 24 6 45 36 24 8 30 6 68 0 4 42 7 129 www nMaAXONGORP CGOM COMBUSTION SYSTEMS FOR INDUSTRY A MAXON MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 24 E i 4 13 Duct Burners APX Burners APX Slide in units E p re Ww G F L E s Rea SES C B iz ial 7 Kat L 12 j fi EA 1 Gasinlet ee na 1 2 Pilotgas connection 1 2 A j 3 Combustion air test connection 1 4 T 4 Gas test connection 1 4
12. COM COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice MAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 8 E i 4 13 Duct Burners APX Burners APX burner H external blower conversion table to corresponding straight lengths of burner in feet Corresponding Burner size Burn joimension straight length ft ft APX1x1H 1x1 3 APX 1 x 1 5 H 1x1 5 3 5 APX 1x2H 1x2 4 APX 1x 2 5 H 1x2 5 4 5 APX2x1H 2x1 5 APX 2 x 1 5 H 2x1 5 5 5 APX2x2H 2x2 6 APX 2 x 2 5 H 2x2 5 6 5 APX3x1H 3x1 7 APX 3 x 1 5 H 3x1 5 7 5 APX3x2H 3x2 8 APX3x2 5H 3x2 5 8 5 APX3x3 5H 3x3 5 9 5 Example APX 2x 2 5 H corresponds with 6 5 ft straight burner length Use table page 4 21 9 7 and page 4 21 9 8 for typical burner data per foot of burner W WW M AX ONCGCORP COM N COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved 4 21 9 9 Duct Burners APX Burners E i 4 13 APX burner firing on natural gas modulated combustion air 1 STRAIGHT and H external blower Typical burner data Fuel natural gas with 1000 Btu ft HHV sg 0 6 2 Combustion air 60 F 21 O 50 humid
13. the dryer or make up air unit to heat up low temperature process air flows Available APX versions and options The two basic APX versions wall mounted and in duct are available in several variations Below tables give an overview of the different options of each version Note that wall mounted APX burners are always mounted on suction side of circulating fans or in balanced ducts Whether slot or continuous flange mounted burner should be selected depends upon the desired amount of cooling purge air around the burner The packaged blower option is not available on the EC market For EC market same execution can be achieved by selecting the external blower option and mounting an appropriate European blower direct onto the air inlet connection of the burner 4 Tocomply with local codes and directives special provisions may be required to correctly safeguard the minimum WNA combustion air pressure in case multiple blowers are mounted on the burner W W W MAXONCORP CoM N COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved Duct Burners APX Burners E i 4 13 Wall mounted APX WM 1 Slot mounted SM Continuous flange mounted CF Packaged blower PB External blower EB Packaged blower PB External blower EB 0 5 ft to 5 ft Stra
14. 3 9 ft NA 1 6 2 6 4 5 6 5 8 2 9 2 10 11 5 1 If an APX burner is used with constant combustion air select the required combustion air pressure from above table for required maximum capacity per foot 2 sg specific gravity relative density to air density air 0 0763 Ibs ft st 3 is the minimum capacity for natural gas 1 control valve per burner SP drillings see 4 The maximum capacity is set at 1 36 MBtu h Overfir ing in fresh air heating application is possible up to 20 96 For low oxygen recirculating applications we advise to limit the max capacity per foot to 1 MBtu h with n 1 3 4 Pressure differential between burner test connection and combustion chamber for natural gas to be used for burner commissioning SP burner Standard Pressure drillings Actual pressure differential at burner gas inlet is 5 higher 5 Pressure differential between burner test connection and combustion chamber for natural gas to be used for burner commissioning LP burner Low Pressure drillings Actual pressure differential at burner gas inlet is 5 higher 6 Differential combustion air pressure between burner air test connection and combustion chamber for commissioning 7 Typical differential combustion air pressure for 5 ft APX to be used for blower selection 8 Advised combustion air flow and air factor n for best burner performance For recirculating air heating with low oxygen advised a
15. 4 21 9 7 Duct Burners APX Burners E i 4 13 Specifications of APX burners APX Burner STRAIGHT packaged blower 1 Typical burner data 2 Fuel natural gas with 1000 Btu ft HHV sg 0 6 3 Combustion air 60 F 21 96 O 50 humidity sg 1 0 3 Stated pressures are indicative Actual pressures are a function of air humidity altitude type of fuel and gas quality Burner Differential Differential Maximum Differential Nominal Min Flame Blower Number size 4 gas pressure gas pressure capacity 6 air pressure air flow 8 Capacity length o horsepower of Standard low pressure 7 blowers drilling 5 drilling 5 we we Btu h we scfm Btu h in hp 0 5 16 5 5 5 400 000 1 5 80 12 500 30 40 1 12 1 1 16 5 9 1 000 000 4 172 25 000 30 40 1 2 10 1 1 5 16 5 9 1 500 000 4 260 37 500 30 40 1 2 10 1 2 16 5 9 2 000 000 4 345 50 000 30 40 1 1 2 5 16 5 9 2 500 000 4 430 62 500 30 40 1 1 3 16 5 9 3 000 000 4 510 75 000 30 40 1 1 3 5 16 5 9 3 500 000 4 600 87 500 30 40 1 5 1 4 16 5 9 4 000 000 4 690 100 000 30 40 1 5 1 5 16 5 9 5 000 000 4 860 125 000 30 40 3 1 6 16 5 9 6 000 000 4 1030 150 000 30 40 1 2 7 16 5 9 7 000 000 4 1200 175 000 30 40 1 5 2 8 16 5 9 8 000 000 4 1380 200 000 30 40 1 5 2 9 16 5 9 9 000 000 4 1550 225 000 30 40 3 2 10 16 5 9 10 000 000 4 1720 250 000 30 40 3 2 11 16 5 9 11 000 000 4 1900 275 000 30 40 3 2 12 16
16. 5 9 12 000 000 4 2060 300 000 30 40 1 5 3 13 16 5 9 13 000 000 4 2240 325 000 30 40 3 3 14 16 5 9 14 000 000 4 2400 350 000 30 40 3 3 15 16 5 9 15 000 000 4 2600 375 000 30 40 3 3 1 Not for EC market see Available APX versions and options page 4 21 9 12 and page 4 21 9 13 2 Burner data displayed assume blower s operating on 60 Hz electrical supply Max burner capacity will be reduced by 17 if operated on 50 Hz Fuel and air pressure should be reduced by 30 while motor power will reduce 40 96 with 50 Hz operation 3 sg specific gravity relative density to air density air 0 0763 Ibs ft st 4 Burner size corresponds with the straight burner length in ft 5 Pressure differential between burner test connection and combustion chamber for natural gas to be used for burner commissioning LP burner Low Pressure drillings Actual pressure differential at burner gas inlet is 5 higher 6 Fresh air firing When firing in low oxygen environment max capacity should be downrated 7 Differential combustion air pressure between burner air test connection and combustion chamber for commissioning 8 When firing in balanced combustion chamber 9 Expected flame length in fresh air firing Flame length may vary as a function of process air flow distribution velocity temperature oxygen level etc Contact MAXON for more information 10 575 volt version in 3 4 HP W WW MAX ON CO O RP
17. 9 0 16 4 Adjustable pilot gas orifice 2 f a a 1 wey amp i 1 Gas outlet 3 8 NPT E 4 MIT 2 Gas inlet 3 8 NPT MAXON A 3 Protection cap 7 remove to access A flow adjustment screw HEX 3 8 mm B A 1 5in B 344in EDS C 0 75in m Dos E dl bom we N P d X M Pd p WWW MAX ONC OR FP COM MAXON A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved 4 21 9 35 E i 4 13 Duct Burners APX Burners Installation and operating instructions Application requirements View Port A view port to inspect burner flame is essential to inspect flame aspect It is recommended to install the view port downstream of the flame such that the entire burner front can be observed as well as the pilot burner Required ancillary equipment Ensure that all required ancillary equipment for safe operation and correct performance of the APX burner is installed as described in the applicable codes and or process related instructions Position of the burner in the process flow MAXON APX burners are designed for heating of a process flow in motion Refer to table page 4 21 9 9 for minimum required process air velocity for in duct and wall mounted APX burners In duct APX burners should be mounted so as to direct their flames parallel to and in the sam
18. B C D E 6 5 5 51 1 25 0 375 0 56 Spark ignitor quartz less tube Dimensions in inches unless stated otherwise A B C 8 4 6 5 0 472 Spark ignitor quartz with tube Available in different sizes Each size available in either carbon steel or stainless steel Dimensions in inches unless stated otherwise Size A B 12 12 1 18 18 1 24 24 1 30 30 1 36 36 1 48 48 1 WWW MAXON A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved B 43 0 C 1 P PEN 7 i DH Ji A A dme p B de C Eje E O amp Ia A ao ic MAXONCORP C OM Duct Burners APX Burners 4 21 9 33 E i 4 13 Mounting plate kits for spark ignitor and flame detection External SI UV 1 Gasket A GGG TL 2 Cover plate c 3 Sealing plate i Ye 1 1 9 Cl a cy Ol o a g L L a a T NL T 1 i bu Tq M 7 E H Ne E
19. ION SYSTEMS FOR INDUSTRY MAXON A Honeywell Company MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved 4 21 9 21 E i 4 13 Duct Burners APX Burners 1 ft to 15 ft external blower A B C 1 Gasinlet Rc 1 1 2 2 Airinlet shutter 3 Testconnection 4 Mounting surface D 5 Gasinlet flange 1 1 2 NPT E F L Dimensions in inches unless stated otherwise som 1 15 2 25 3 35 4 5 6 7 8 9 to 11 12 13 14 15 sketch A B B B BIlB BBlIc lci ip DDD EIF FE A 35 7 7 7 7 7 7 7 25 18 36 36 36 86 18 18 18 21 B 5 1 18 25 29 24 29 29 54 54 54 63 c ea fs dem Po fe ean ae 24 39 48 47 dT y 56 D amp das e fe ee pe Pa 7 l oe Pe ae 4 E 23 tz 2z l2 lz zizli z2 l2 re Tera 2le2Ta P Palela leles Pe Teake ee aet lt ler erti G 6 5 6 5 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 H Tl2 2l2 2 l2 2 l2 l2 l2 l2 l2 l2 2 2 l2 l2 l2 l2 J 6 6 6 6 6 6 6 6 6 6 6 6 6 6 66 6 6 6 6 6 6 66 6 6 6 6 6 6 66 66 66 K 11 5 11 5 11 5 11 5 11 5 11 5 11 5 11 5
20. J ILo gt E E A A G M A F Dimensions in inches unless stated otherwise A B 6 D E F G H l J K L M Weight Ibs 3 74 5 51 2 48 4 72 0 80 0 58 0 47 0 31 0 26 0 32 1 12 1 12 0 77 2 60 Internal SI UV 1 Gasket 2 A C 2 Cover plate 5x i a 1 1 o a e 4 oY 5 m a i Ee Eel i S E Lj a M 1 A A JE S Los LF Dimensions in inches unless stated otherwise A B e D E F G H l J eK L M Weight Ibs 3 74 5 51 2 48 4 72 0 69 0 89 0 47 0 31 0 39 0 20 Py 9 Pg 9 0 49 2 20 WWW M AX ON C UR P C OM COMBUSTION SYSTEMS FOR INDUSTRY A MAXON MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 34 E i 4 13 Duct Burners APX Burners Blowers and accessories 1 Blower l 2 Filter pores 3 Silencer M s s oed HH WWN gt ST UT 1 s Dimensions in inches unless stated otherwise a AIBC D E lor ec 1 12 7 11 5 15 2 14 4 20 3 7 0 11 8 1 5 12 7 11 5 15 2 14 4 20 3 7 0 11 8 2 16 4 11 5 19 0 14 6 20 5 7 0 11 8 2 5 through 15 16 4 11 5 19 0 14 6 27 8
21. M Oo 3x3 5 52 12 48 5 8 48 40 24 6 45 36 24 8 06 18 4 22 0 56 42 0 44 7 12 129 W WW MAX O NGC O RP COM N COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Compan 2009 Copyright Maxon Corporation All rights reserved pyrig pP g Duct Burners APX Burners ASANI 23 E i 4 13 APX H Style burners slot fired mounting et A aa Ln B E C E i o o o o G i 9 T l o gt i 4 MM LU o i of Eum 1 Gasinlet 1 1 2 NPT _ 2 Air inlet shutter AS 7 o 3 Test connection cur je I 4H H EDEN MERE 4 Mounting surface a LA ow s N V VI Lace d i E q Y 1 1 o 1 o o o l l bou E K i B O Dimensions in inches unless stated otherwise Burner size A B e D E F G H l J K n Weight Ibs 1x1 26 62 18 5 8 41 16 24 6 45 12 24 8 6 6 68 0 4 12 2 5 41 1x 1 5 32 62 24 5 8 41 16 24 6 45 12 24 8 6 6 68 0 4 18 2 5 48 1x2 38 62 30 5 8 41 16 24 6 45 12 24 8 6 6
22. Materials of construction 1 Air gas mixing body Aluminum 2 Mixing plates AISI 430 1 4016 3 Enaplate Cast iron or AISI 304 1 4301 4 Sideplate Galvanized or AISI 430 1 4016 W WwW M AX ON C O R P COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved c oa M 4 21 9 11 Duct Burners APX Burners E i 4 13 MAXON A Honeywell Company 4 21 9 12 E i 4 13 Duct Burners APX Burners Selection criteria Application details The MAXON APX nozzle mix line burner has been especially designed for low temperature air heating applications where standard raw gas line burners MAXON NP AIRFLO are not suitable Thanks to its unique single piece air gas mixing body APX strongly differentiate from the regular box burner with excellent flame stability and flexibility also in high modulating and or low oxygen process air flows Basically APX is available in two main versions A wall mounted APX to be externally mounted on the oven or dryer wall Thanks to the flame that exits the mixing chamber more than 0 5 ft downstream from the burner mounting flange it is possible to penetrate oven panels up to 0 5 ft thickness without risking damage to oven structure from flame impingement The in duct APX is installed inside
23. R Quartz for use with external mounting plate kit 2c Dimensions in inches unless stated otherwise Size A B 12 12 1 18 18 1 24 24 1 30 30 1 36 36 1 48 48 1 Spark ignitor SI APX 10 mm 1 10 mm thread Dimensions in inches unless stated otherwise A B C D 2 75 0 25 0 4 0 125 Spark ignitor SI APX 14 mm Long 1 14 mm thread Dimensions in inches unless stated otherwise A B C D 4 54 0 37 2 5 0 08 Spark ignitor SI APX 14 mm Short 1 14 mm thread Dimensions in inches unless stated otherwise A B C D 3 3 0 51 1 07 0 08 w ww MAX ON COR P c o COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved B MAXON A Honeywell Company 4 21 9 32 E i 4 13 Spark ignitor SI APX 1 2 14 1 1 2 14 thread Duct Burners APX Burners Dimensions in inches unless stated otherwise A
24. This should be considered case by case Contact MAXON for more information WOW WwW M AX DO N CORP COM COMBUSTION SYSTEMS FOR INDUSTRY A MAXON A Honeywell Company MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved 4 21 9 16 E i 4 13 Duct Burners APX Burners Modulated or constant combustion air All MAXON APX burners can operate with constant or fixed air flow as well as with modulated air flow At constant air flow the required differential combustion air pressure refer to table on page 4 21 9 9 page 4 21 9 10 and page 4 21 9 11 is set by a fixed air damper burner air inlet or fan and the combustion air flow through the burner is constant for all burner firing rates always maximum air flow At modulating air flow an additional air control valve is adjusting the combustion air in function of burner capacity The choice of whether constant or modulated air flow should be selected highly depends on the application and the desired emissions on CO and NO Refer to Expected Emissions on page 4 21 9 19 for more details Ratio control In case the burner is operated with modulated air flow best performance is realized when the burner is adjusted with ratios as indicated in the table on page 4 21 9 9 and page 4 21 9 10 This can be achieved with MAXON MICRO RATIO valves or SMARTLINK MRV Changes of combustion air temp
25. ate set incl SI FR or provision for UV scanner FIG4 UV yes no FIG5 FR no yes In duct raw gas pilot endplate set incl SI FR or provision for UV scanner FIG5 UV no yes FIG6 FR no yes ji In duct feed through raw gas pilot 3l E endplate set ERA FIG6 UV no yes c External mounting plate kit for E S ES external UV FR and external SI EMPSERT nS yes MS External mounting plate kit for N internal UV FR and internal SI EME WS pe vo In duct endplate set for direct ignition incl SI FR and provision for UV BI NPER SL ER id Mm In duct plain endplate set 5 NP EP PLN no yes 1 Refer to tables on page 4 21 9 17 and page 4 21 9 18 for information on SI and flame rods included in each endplate 2 Use this pilot endplate set on stable back pressure application only When fluctuating oven pressures can be expected use FIG 4 3 Select these endplate sets when externally mounted SI and FR UV are required or to prevent the use of ignition and or ionization cable inside the duct internally mounted SI and FR To be used together with the external mounting plate sets EXT MTG 4 Direct ignition endplate set to accommodate SI and FR UV on 1 single endplate set standard not possible for wall mounted burners contact MAXON 5 To be selected together with NP EP SI FR UV W W W MAX ON COR P D0C 0M M COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice
26. ations standard spark ignitor SI APX 4 in and standard flame rod FR APX can be selected Both the standard SI FR or the feed thru SI FR have to be added separately 6 This endplate set allows direct ignition on in duct APX burners SI and flame detection can be mounted on this endplate 7 For EC market only 8 Endplate tap is 1 4 but a nipple and a reducer may be shipped loose allows you to use a 3 8 NPT pilot Process temperature Max upstream process air temperature 480 F Max downstream process air temperature at low fire 570 F Max downstream process air temperature at high fire 750 F Special attention should be paid when selecting the burner to avoid downstream process air temperatures above 570 F at low fire Higher temperatures at minimum burner capacity may dramatically reduce life time of the burner At higher capacity the burner parts are better cooled by the air and gas flow and allow much higher downstream temperatures The slide in units APX can accept in specific circumstances higher process temperatures both upstream and downstream of the burner Contact MAXON for more information Combustion air requirements MAXON APX burners are fed with clean fresh combustion air containing 21 Vol oxygen and a maximum temperature of 120 F In some installations the use of higher temperature combustion air or combustion air containing slightly lower oxygen levels may be possible
27. d factors such as unequal process air distribution can all influence the actual level of emissions produced No guarantee of emissions is intended or implied on the above Contact MAXON for evaluation of expected emissions on your typical application www nMAXKON CO O RP COM MAXON reserves the right to alter specifications and data without prior notice l IAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY 4 21 9 20 E i 4 13 Dimensions and weights 0 5 ft packaged blower Duct Burners APX Burners This burner version includes a combustion air blower This version is not suitable for the EC market 1 Combustion air blower 2 Main gas inlet flange 1 NPT 3 Spark ignitor 4 Flame rod 5 Burner mounting plane Dimensions in inches unless stated otherwise A B C D E F G OH J K L 6 5 11 5 4 5 11 2 6 6 8 1 3 1 4 7 4 7 7 10 2 Mounting arrangements view C C Continuous flange mounting Slot mounting Dimensions in inches unless stated otherwise M N O P Q R S OT X Y 7 9 9 10 1 6 0 438 5 9 2 0 438 8 6 7 WWW MAX ONCGUOR P C OM COMBUST
28. e direction as the movement of the process flow Wall mounted burners can be mounted perpendicular to the process flow as long as the minimum and maximum velocities as indicated in table page 4 21 9 9 are respected Too high velocities may result in diverged flame patterns damaging combustion chamber or oven walls In both cases the process flow upstream of the burner should be uniform maximum deviation of velocity of approx 20 in 90 of the points of a plane immediately in front of the burners Combustion chamber APX burners may have in specific operating conditions low oxygen or inert process air flows quite luminous and radiant flames Special attention should be paid to the part of the duct covering the flame combustion chamber Especially in narrow ducts with flames close to the wall itis essential to use correct materials and proper construction designs Contact MAXON for more information W W W M AX OUO NC OR P C OM MAXON reserves the right to alter specifications and data without prior notice l IAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY 4 21 9 36 E i 4 13 Duct Burners APX Burners Installation instructions Storage APX burners should be stored dry inside Prevent that water and or dust can penetrate into the burner manifold during storage Handling APX burners are shipped as complete units Handle the burner wi
29. erature system back pressure variations and other parameters could influence gas air ratio if the control system is not designed for compensation Contact MAXON for more information Process air flow velocity and oxygen content WALL MOUNTED cross velocity IN DUCT parallel velocity Min process air velocity 1 6 ft s 6 ft s Max process air velocity 26 65 ft s 2 20 30 ft s 3 Min process air oxygen level 4 3 6 Vol 3 6 Vol 1 A minimum parallel process flow for in duct burners and cross process flow for wall mounted burners is required Burners shall not fire without process flow Advised minimum velocity shall be above 6 ft s 2 Optimal burner performance of in duct APX burners will be realized with a uniform process air velocity around the flame between 6 ft s and 26 ft s Higher process air velocities are possible up to 65 ft s however may influence emissions of CO see page 4 21 9 19 3 Higher cross velocities up to 29 5 ft s will quench the flame and affect emissions CO The use of a flame protection shield is advised to limit CO Contact MAXON for more information 4 Depending on temperature capacity and excess air MAXON APX burners can fire in almost inert process air environment Process back pressures Max process back pressure wall mounted APX 1 ser WE 0 balanced Max process back pressure in duct APX 2 40 wc to 40 wc Max proce
30. es shall be carried out as specified in the installation manual Perform the following activities at least annually as part of arecommended preventative maintenance routine HM Inspect burner internal parts for wear and oxidation B Inspect associated control instruments and devices for function with particular attention to all safety permissive switches Wi Perform leak tests on fuel shut off valves according to any schedule established by the authority having jurisdiction Visual inspections Regular visual inspection of all connections air and gas piping to the burner bolting of the burner mounting flange burner support in the duct and burner flame shape and aspect are essential for safe operation Recommended spare parts Keep local stock of spark ignitor and flame detector It is not recommended to keep local stock of other burner parts Consult the installation manual for burner system spare parts and accessories Other available burner spare parts are E the mixing plate sets mixing plate screws and nuts back up bar WB gas inlet gasket gasket between gas inlet flange and burner body Wi end plate gasket gasket between endplate and burner body W WW MAX ON C ORP DC 0M N COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Compan 2009 Copyright Maxon Corporation All rights reserved pyrig p g
31. f the equipment associated with and necessary to the safe operation of the burner system has been installed correctly that all pre commissioning checks have been carried out successfully and that all safety related aspects of the installation are properly addressed Initial adjustment and light off should be undertaken only by a trained commissioning engi neer Read the combustion system manual carefully before initiating the start up and adjustment Safety interlocks Guarantee that all the required safety locks as described in the applicable local codes or regulations or supplementary requested for safe operation of the overall installation are working properly and resulting in a positive safety lock of the burner Do not bypass any of these safety interlocks This will result in unsafe operation Checks during and after start up During and after start up check the integrity of the system Check all bolted connections after first firing first time on temperature and retighten if necessary Purge For safety reasons itis required to purge the installation sufficiently long enough to ensure that all possible combustibles are evacuated before ignition Refer to the applicable local codes and your specific application requirements to determine the purge time Pilot ignition Adjust pilot air flow and pilot gas regulator to correct set point before pilot ignition attempt Turn adjustable orifice screw out counter clockwise severa
32. g on the application different versions of endplate sets accommodating different types of flame rods can be selected Refer to table page 4 21 9 14 Overview of endplate set options and table page 4 21 9 15 APX9 accessories for more information For poor quality propane LPG or butane we advise to use UV scanners only Only use the appropriate positions on the MAXON endplate sets for correct and safe flame supervision Every other position is not acceptable and may cause unsafe situations Refer to the user manual of the UV scanner for correct installation and operating instructions Available flame rods Also flame rods are included into the pilot endplate sets except for FIG6 endplates Refer to table page 4 21 9 14 for exact information Below table will help you with the selection of the appropriate feed thru flame rods in combination with FIG6 endplate set and external mounting plate EMP Feed thru ignitors with Feed thru ignitors with Spark ignitors only carbon steel tube stainless steel tube without tube 12 CS FR 12 CS quartz flame rod 12 SS FR 12 SS quartz flame rod 12 FRL T 12 quartz flame rod 18 CS FR 18 CS quartz flame rod 18 SS FR 18 SS quartz flame rod 18 FRL T 18 quartz flame rod 24 CS FR 24 CS quartz flame rod 24 SS FR 24 SS quartz flame rod 24 FRL T 24 quartz flame rod 30 CS FR 30 CS quartz flame rod 30 SS FR 30 SS quartz flame rod 30 FR L T 30 quartz flame rod 36
33. ight 2 3 1 ft to 5 ft Straight 2 0 5 ft to 5 ft Straight 2 3 1 ft to 5 ft Straight 2 5 5 ft to 15 ft Straight 2 3 5 5 ft to 15 ft Straight 2 5 5 ft to 15 ft Straight 2 3 5 5ftto 15 ft Straight 2 NA 1x1 to 1x2 5 ftH mim NA 1x1 to 1x2 5 ftH miu NA 2x1 to 2x2 5 ftH rmm NA 2x1 to 2x2 5 ftH 2 4 NA 3x1 to 3x3 5 ftH 2 4 NA 3 x 1 to 3x 3 5 ftH 24 1 All burners are available with constant or modulated combustion air flow All burners are available with SP and LP drillings standard pressure low pressure see tables page 4 21 9 7 and page 4 21 9 8 2 Available in increments of 0 5 feet 0 5 1 1 5 2 ft etc 3 Not available on EC market 4 H style burners Contact MAXON for other grid configurations Example APX SM EB SP 7 5 ft STRAIGHT wall mounted APX of 7 5 ft straight slot mounted for external blower with standard pressure drillings In duct APX ID 1 Packaged blower PB External blower EB Slide in unit SU 0 5 ft to 5 ft Straight 2 3 0 5 ft to 5 ft Straight 2 0 5 ft to 5 ft Straight 5 5 5 ft to 15 ft Straight 2 3 5 5 ft to 15 ft Straight 2 5 5 ft to 15 ft Straight 5 NA 1x 1 to 1 x 2 5 t H 2 4 NA NA 2x 1 to 2x 2 5 t H 2 4 NA NA 3 x 1 to 3 x 3 5 ft H 2 4 NA 1 All burners are available with constant or modulated combustion air flow All burners are available with SP and LP drillings standard pressure low pres
34. imum position B APX burners with modulated combustion air shall have the combustion air valve linked with the gas control valve also in the corresponding minimum position to allow minimum combustion air flow to the burner Pre ignition typically 2 s sparking in air Open pilot gas and continue to spark the ignitor typically 5 s to 10 s depending on local code requirements Stop sparking continue to power the pilot gas valves and start flame check Trip burner if no flame detected from here on Check pilot flame stability typically 5 s to 10 s to prove stable pilot Open main gas valves and allow enough time to have main gas in the burner typically 5 s time required to have main gas in the burner Close the pilot gas valves Release to modulation allow modulation of the burner Above sequence shall be completed to include all required safety checks during the start of the burner process amp burner safeties We advise to position 1 pilot gas valve as close as possible to the pilot burner gas inlet for fast ignition of the pilot burner W WW M AX OUO N COR P C OM MAXON reserves the right to alter specifications and data without prior notice I IAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY 4 21 9 18 E i 4 13 Duct Burners APX Burners Flame supervision The flame of APX burners can be supervised with a flame rod or UV scanner Dependin
35. ir factor is 20 higher n gt 1 1 for fresh air firing n gt 1 3 for recirculating processes 9 Typical flame length for shown air amount and capacity Flame length may vary as a function of process air flow distribution velocity temper ature oxygen level etc Contact MAXON for more information W W W MAX O NGC OR P 0O 0M COMBUSTION SYSTEMS FOR INDUSTRY M MAXON reserves the right to alter specifications and data without prior notice MAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 m Duct Burners APX Burners E i 4 13 APX burner firing on propane modulated combustion air flow 1 STRAIGHT and H external blower Typical burner data Fuels propane with 2592 Btu f HHV sg 1 57 2 butane with 3364 kBtu ft HHV sg 2 07 2 Combustion air 15 C 21 96 O 50 humidity sg 1 0 2 Stated pressures are indicative Actual pressures are a function of air humidity altitude type of fuel and gas quality APX Propane Butane Gas firing Capacity per al MBtuh 507 0 47 0 34 0 68 10 1 36 foot HHV Differential Propane Gas pressure ul wc 0 03 0 19 0 75 3 6 52 42 SP burner Differential Butane Gas pressure t5 wc 0 02 0 14 0 58 23 5 92 SP burner Differential combustion air pressure t6 Wwe 4 4 4 4 4 71 for fresh air firing D E s Differential combustion air pressure at blower m Wwe 6 6 6 6 6 11 5 outlet for fresh air firi
36. ity sg 1 0 2 Stated pressures are indicative Actual pressures are a function of air humidity altitude type of fuel and gas quality MBtu h APX natural gas firing Capacity per foot 3 HHV 0 03 0 17 0 34 0 68 1 0 1 36 Differential natural gas pressure ul we 0 015 0 5 49 76 16 5 30 5 SP burner Differential natural gas pressure 5 wc 0 01 0 26 4 04 4 16 9 16 6 LP burner Differential combustion air pressure t6 wc 045 0 45 0 45 18 4 74 for fresh air firing D E Differential combustion air pressure at blower wc 0 7 0 7 0 7 28 6 11 5 outlet for fresh air firing E Optimal combustion air flow for fresh air firing 8 scfh 3500 3500 3500 7000 10300 14035 z Optimal combustion air factor for fresh air firing 8 n 11 2 2 UST 1 1 1 1 1 1 Flame length fresh air firing 9 ft NA 0 98 1 6 2 7 2 7 3 6 3 6 4 6 4 6 5 6 Differential combustion air pressure S 8 for recirculating air firing low O5 n gt 1 3 fel we 048 0a o em lg Dmm 5 z 2 Differential combustion air pressure at blower t 5 outlet for recirculating air firing low O n gt 1 3 u we a6 DES 10 em i s E Optimal combustion air flow for z E recirculating air firing low O n gt 1 3 fs Sain SE SEEN HERE Seve TZI NA 9S tw 2 Optimal combustion air factor for 2 recirculating air firing low O n gt 1 3 fs g u es LS ke tes NA ie 2 9 lt Flame length X e S B E E recirculating air firing low O n gt 1
37. l turns from its fully seated position Refine during lighting ofthe pilot to a yellow blue flame and or strongest stable flame signal For FIG1 pilot endplates note that pilot air may be adjusted for optimal pilot size and ignition by means of a shutter located between the cast iron pilot body and the stainless steel end enclosure plate Main burner ignition Adjust the main gas regulator at the correct set point before igniting the main burner Ensure that the gas air ratio control valve is in the start position when lighting the main burner Ratio adjustment Once the main flame is ignited adjust air gas ratio of the burner to obtain the required combustion quality Slowly increase capacity while observing the flame Especially observe that the flame is well divided over the entire burner length and going straight forward in the direction of the process air flow Check that no damage is caused to duct walls or other equipment W WwW M AX OUO NC OR P C OM MAXON reserves the right to alter specifications and data without prior notice MAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY 4 21 9 38 E i 4 13 Duct Burners APX Burners Maintenance and inspection Safety requirements Regular inspection testing and recalibration of combustion equipment according to the installation manual is an integral part of its safety Inspection activities and frequenci
38. ng E Optimal combustion air flow for fresh air firing 8 scfh 10300 10300 10300 10300 10300 14035 Optimal combustion air factor for fresh air firing 8 n 33 6 6 99 1 6 dod 1 1 Flame length fresh air firing 9 ft NA 0 98 1 6 2 7 2 7 3 6 3 6 4 6 4 6 5 6 Differential combustion air pressure e R for recirculating air firing low O n gt 1 3 fel we E a 2 4 53 o E3 m 5 F Q Differential combustion air pressure at blower g outlet for recirculating air firing low O5 n gt 1 3 7 we B E B Ue 15 a Optimal combustion air flow for E 2 recirculating air firing low Oz n gt 1 3 8 scfh 10300 10300 10300 10300 12360 NA 9 amp gt Optimal combustion air factor for 9 9 recirculating air firing low O n gt 1 3 8 Nj eis 66 3 3 1 6 1 3 NA o 8 9 Flame length na z 2 i z E recirculating air firing low Os n gt 1 3 Pl i NA IHE zs BaZ 9210 1 2 3 4 5 6 7 8 9 If an APX is used with constant combustion air select the required combustion air pressure from above table for required maximum capacity per foot Sg specific gravity relative density to air density air 0 0763 Ibs ft st 68303 Btu h is the minimum capacity for propane butane firing 1 control valve per burner SP drillings see 4 The maximum capacity is set at 1 36 MBtu h Overfiring in fresh air heating application is possible up to
39. port supplied by MAXON for supporting the burner at the opposite side of the mounting plate plug This support is especially designed to give the burner sufficient flexibility during firing Use of different kind of supports may damage or destroy the burner Refer to drawings page 4 21 9 22 page 4 21 9 23 and page 4 21 9 24 for correct position of the burner support Hot surfaces Burner parts in contact with the flame will become hot Always wait for the burner system to cool down before cleaning In specific installations and or operation modes some accessible parts of the burner outside the oven or duct may become hot If required precautions should be taken to prevent burning injuries by contact with hot surfaces www eMAXON COR P CGCOM M COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved 4 21 9 37 Duct Burners APX Burners E i 4 13 Start up instructions Instructions provided by the company or individual responsible for the manufacture and or overall installa tion of a complete system incorporating MAXON burners take precedence over the installation and operat ing instructions provided by MAXON If any of the instructions provided by MAXON are in conflict with local codes or regulations please contact MAXON before initial start up of equipment procedure Verify that all o
40. rs APX Burners FIG 6 1 Spark ignitor connection 3 4 10UNC 2 UV flame rod connection 3 4 10UNC 3 Pilot gas or local flame rod connection 1 4 NPT 4 Flame rod 5 Mounting surface 6 Gastest connection 1 8 NPT Dimensions in inches unless stated otherwise A B C D Erp j FmG H J K L M N R S T 1 1 1 8 3 6 0 4 9 2 7 0 5 0 25 1 5 2 0 65 0 8 1 4 1 6 3 0 0 6 1 Clearance for flame rod removal IN DUCT ENDPLATE SET 1 Scanner connection Rp1 2 Flame rod connection Rp1 4 bushed 2 Spark ignitor connection M14x1 25 3 Pilot gas connection Rp 1 4 4 Gas test connection 1 8 NPT 5 Combustion air test connection 1 8 NPT A 115in B 65in IN DUCT PLAIN ENDPLATE SET 1 Gas test connection 1 8 NPT 2 Combustion air test connection 1 8 NPT A 115in B 65in W WW M AX OUO NGC OR P a COM N COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved Flame rod FR APX 1 1 4 18 thread 4 21 9 31 Duct Burners APX Burners E i 4 13 Dimensions in inches unless stated otherwise A B OC 9 6 7 5 0 2 Flame rod F
41. s These support tabs can be mounted at various locations on the burner body at 6 inch spacings They are suggested to be used for burners longer than 4 ft Burners with a maximum length of 4 ft can be supported using the fixation holes in the endplates 99 pa a l X s g E Y Dimensions in inches unless stated otherwise A B C D E 2 3 4 2 3 0 4 0 4 WoW Ww M AX ON GO R P C OM COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved MAXON A Honeywell Company 4 21 9 27 Duct Burners APX Burners E i 4 13 Universal mounting bracket These brackets can be used to support burners in horizontal orientation use 1 bracket per 5 ft burner and in vertical orientations use 1 bracket per 3 ft burner and install brackets on both sides of the burner A i A A m of 1 Mounting surface to be attached Q to burner A A Dimensions in inches unless stated otherwise A B C D E eF 7 5 6 5 3 75 1 4 1 0 4 Endplates FIG 1 1 Spark ignitor connection M10x1 FI 2 UV flame rod connection 1 NPT 3 Pilot gas connection 3 4 16 UNF VIEW B B 4 Flame rod 5
42. ss back pressure in duct APX slide in unit pap CH Weto 12 We 1 Wall mounted burners can only fire in ducts under suction or in balanced atmospheres Ducts in overpressure should be avoided 2 All in duct burners except the slide in unit design Special considerations to be taken for the design of combustion air fan in case of higher back pressures 3 Higher back pressures are possible when the plug and airbox are reinforced Contact MAXON for more information W WW M AX OUO NGC ORP COM COMBUSTION SYSTEMS FOR INDUSTRY MAXON MAXON reserves the right to alter specifications and data without prior notice A Honeywell Company 2009 Copyright Maxon Corporation All rights reserved 4 21 9 17 Duct Burners APX Burners E i 4 13 Piloting amp ignition APX burners equipped with one of the raw gas pilot endplate sets see table on page 4 21 9 14 will generate a stable pilot flame used to ignite the burner on main flame After the main burner is ignited the pilot shall be interrupted Permanent pilot is not advised Use the main burner at minimum capacity for continuous operation Direct ignition of APX burners is also possible if accepted by local codes Note that only in duct APX burners offer direct ignition endplates which accommodate spark ignitor and flame detection in the same endplate set Direct ignition wall mounted burners need 1 endplate set for the SI and another endplate set to mount
43. sure see tables page 4 21 9 7 and page 4 21 9 8 2 Available in increments of 0 5 feet 0 5 1 1 5 2 ft etc 3 Not available on EC market 4 H style burners Contact MAXON for other grid configurations 5 In duct APX Slide in units with mounting plug or plate to be flanged onto the duct Example APX ID SU LP 14 ft STRAIGHT in duct APX burner slide in unit of 14 ft with low pressure drillings W WW MAX ON COR PP 0C OM COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice I IAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 13 4 21 9 14 E i 4 13 Duct Burners APX Burners Endplate set options Different types of endplates are available for MAXON APX burners Refer to the table below for selection of the most appropriate pilot endplates Overview of Endplate set options for MAXON APX burners Description Designation 1 Wall mount In duct 3D View Raw gas pilot endplate set with air by pass FIG1 FR yes no incl SI pilot gas connection FR or 2 provision for UV scanner FIG1 UV yes no Endplate set with FR only FIG2 FR yes yes Endplate set with sight glass only FIG2 SG yes yes Plain endplate set FIG2 PLN yes yes Endplate set for direct ignition E with SI only FIG3 SI yes yes FIG4 FR yes no Raw gas pilot endpl
44. th care during unpacking transport lifting and installation Use proper equipment Any impact on the burner could result in damage Remove all plastic caps closing off gas and air connections of the burner prior to connecting it with the pipe train and combustion air fan Orientation APX burners can be mounted in any orientation firing horizontally vertically down and upwards Mounting Wall mounted APX burners are equipped with a continuous mounting flange or with mounting tabs see drawings on page 4 21 9 22 page 4 21 9 25 and page 4 21 9 26 Bolt the burner with this flange or mounting tabs onto the oven or duct Tighten the bolts with correct torque and retighten all bolts after first firing and regularly after commissioning Since wall mounted APX burners are foreseen to operate under suction or in balanced atmospheres the use of gaskets is not absolutely required however not prohibited Standard in duct APX burners ID PB amp ID EB are hung in the duct with the mounting tabs as shown on drawings page 4 21 9 23 and page 4 21 9 26 In duct plug amp play burners are equipped with a mounting plate or plug see drawings page 4 21 9 24 and page 4 21 9 26 Bolt this mounting plug or plate onto the combustion chamber s mounting flange Use proper gasket available as an option Tighten the bolts with correct torque and retighten all bolts after first firing and regularly after commissioning Use only the APX burner sup
45. the flame detector For both pilot and direct ignition use ignition transformers min 5000 V 20 mA Available spark ignitors Spark ignitors are included into the pilot endplate sets except for FIG6 endplates Refer to table on page 4 21 9 14 for exact information Below table will help you with the selection of the appropriate feed thru spark ignitors in combination with FIG6 endplate set and external mounting plate EMP Feed thru ignitors with Feed thru ignitors with Spark ignitors only carbon steel tube stainless steel tube without tube 12 CS QI 12 CS quartz ignitor 12 SS QI 12 SS quartz ignitor 12 QI L T 12 quartz ignitor 18 CSQI 18 CS quartz ignitor 18 SSQI 18 SSquartzignitor 18 QIL T 18 quartz ignitor 24 CS QI 24 CS quartz ignitor 24 SS QI 24 SS quartz ignitor 24 QI L T 24 quartz ignitor 30 CS QI 30 CS quartz ignitor 30 SS QI 30 SS quartz ignitor 30 QI L T 30 quartz ignitor 36 CS QI 36 CS quartz ignitor 36 SS QI 36 SS quartz ignitor 36 QI L T 36 quartz ignitor 48 CS QI 48 CS quartz ignitor 48 SS QI 48 SS quartz ignitor 48 QI L T 48 quartz ignitor Select your spark ignitor in function of the required length 12 to 48 in steps of 6 Typical ignition sequence with pilot WB Pre purge of burner and combustion chamber according to the applicable codes and the installation s requirements B Gas control valve shall be in the min
46. uct wall thickness D max 2ft D X Y Z S E min O 5 ft X internal insulation thickness F min 0 5 ft Y external insulation thickness G default G X Z flange elevation default 4 in Wall mounting opening dimensions A a X X L B i R o o o o T T A wall opening width wall opening height 7 in B burner nominal length refer to burner dimensions on page 4 21 9 20 XL endplate width mounted on left side of the burner XR endplate width mounted on right side of the burner A B XL XR XL and XR depend on the endplate type Use the table below for determination Note that Fig 1 endplates need a special wall opening shape if full seal is required Contact MAXON for details Dimensions in inches unless stated otherwise Endplate Fig X 1 2 2 2 3 5 6 1 3 4 3 W WW M AX OU NC ORP COM COMBUSTION SYSTEMS FOR INDUSTRY A MAXON MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 26 E i 4 13 Duct Burners APX Burners Mounting flange dimensions Use this sketch to determine fixing points for flange mounted burner parts Vu C o C A i 8 A o m a P T w J P NS 7 a m j Dimensions in inches unless stated otherwise A B C D E 2 1 8 4 6 0 4 0 6 Slot mounting tab

Specifications/Installation

Contents

Download Pdf Manuals

Related Search

Related Contents