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Specifications/Installation

1. A F C E _ B i i o o o o TT a 1 z 1 Gasinlet 1 1 2 NPT i a 2 Airinlet shutter Bu TL d mE EE PES 3 Testconnection Lcd o 4 Mounting surface I I O fe i Jes 43 Y N PA PT ied o o o i L m Ts ns No c sho P A Dimensions in mm unless stated otherwise Burnersize A B D E F G H I J K L M N Beat 1x1 562 470 215 412 164 311 205 152 107 356 305 11 64 19 1x1 5 714 622 215 412 164 311 205 152 107 356 457 11 64 22 1x2 867 775 215 412 164 311 205 152 107 356 610 11 64 25 1x 2 5 1019 927 215 412 164 311 205 152 107 356 762 11 64 28 2x1 562 470 215 717 164 616 205 305 152 107 356 305 11 181 31 2x1 5 714 622 215 717 164 616 205 305 152 107 356 457 11 181 34 2x2 867 775 215 717 164 616 205 305 152 107 356 610 11 181 37 2 x 2 5 1019 927 215 717 164 616 205 305 152 107 356 762 11 181 40 3x1 562 470 215 1022 164 920 205 457 152 107 356 305 11 181 43 3x1 5 714 622 215 1022 164 920 205 457 152 107 356 457 11 181 47 3x2 867 775 215 1022 164 920 205 457 152 107 356 610 11 181 50 3x 2 5 1019 927 215 1022 164 920 205 457 152 107 356 762 11 181 53 3x 3 5 1324 1232 215 1022 164 920 205 457 152 107 356 1067 11 181 59 W W W M A X D N CO D RP COM COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice
2. APX natural gas firing Capacity per foot 10 3 KW HHV 10 50 100 200 300 400 Differential natural gas pressure ul mbar 0 4 12 49 20 43 78 SP burner Differential natural gas pressure t5 mbar 0 4 0 7 26 10 2 23 41 LP burner Differential combustion air pressure t6 mbar 1 1 1 1 1 1 4A 10 18 for fresh air firing D a 1 Differential combustion air pressure at blower m mbar 1 7 47 47 6 5 45 27 5 outlet for fresh air firing E Optimal combustion air flow for fresh air firing 8 M h ft 100 100 100 200 300 400 m Optimal combustion air factor for fresh air firing 8 n 11 2 2 1 1 1 1 1 1 1 1 Flame length fresh air firing 9 m NA 03 0 5 0 8 0 8 1 1 1 1 1 4 1 4 1 7 Differential combustion air pressure fe for recirculating air firing low Os n gt 1 3 6 meem q a 1E oe i 29 EX OR 5 z Differential combustion air pressure at blower outlet for recirculating air firing low O5 n gt 1 3 m meer y iut 22 z g Optimal combustion air flow for 3 2 E recirculating air firing low Os n gt 1 3 PI gh oe 09 120 eu 350 NA 9 amp 2 Optimal combustion air factor for 8 9 recirculating air firing low O5 n gt 1 3 fs D 1 2 he re LS NA o 9 9 Flame length na 2 recirculating air firing low O n gt 1 3 E m NA 05 08 12 15 2 25 28 32 3 5 1 If an APX burner is used with constant combustion air select the required combustion air p
3. 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 292mm B 165mm IN DUCT PLAIN ENDPLATE SET 1 Gas test connection 1 8 NPT 2 Combustion air test connection 1 8 NPT A 292 mm B 165 mm o Y Lo Bio uj W W W M A X D N COR P COM 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 Duct Burners APX Burners acai 31 E m 4 13 Flame rod FR APX 1 1 4 18 thread 1 Dimensions in mm unless stated otherwise B rs A B C ec HM 245 191 5 A Flame rod FR Quartz for use with external mounting plate kit J a A Dimensions in mm unless stated otherwise i P Size A B A 12 305 25 4 18 457 25 4 24 610 25 4 30 762 25 4 36 914 25 4 48 1220 25 4 Spark ign
4. FIG 5 1 Sparkignitor connection M14x1 25 2 UV flame rod connection 1 4 NPT 3 Pilot gas connection 1 4 NPT 1 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 mm unless stated otherwise A B C D ET FT G H J K L M N R s T 28 46 91 10 236 175 127 64 38 51 16 20 36 38 13 15 1 Clearance for flame rod removal W W W M A X D N GC DD R P COM COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice l Y IAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 30 _ Duct Burners APX Burners E m 4 13 FIG6 1 Spark ignitor connection 3 4 Sa 10UNC 2 AL BT 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 mm unless stated otherwise A B C D ET Ff G H J K L M N R s T 28 46 91 10 234 178 127 64 38 51 165 20 36 42 75 15 1 Clearance for flame rod removal IN DUCT ENDPLATE SET 1 Scanner connection Rp1 2 kd ee Flame rod connection Rp1 4 bushed
5. MAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company Duct Burners APX Burners aaa 2 E m 4 13 APX H Style burners slot fired mounting et A B C E i o o A OR T l o i A MM LU o of Eum 1 Gasinlet 1 1 2 NPT _ 2 Air inlet shutter SES vt 3 Testconnection cur je I EDEN MERE 4 Mounting surface a LA ow N EL ue d i E 71 Y 1 1 o 1 1 I l l NEL i k _ B 9 Dimensions in mm unless stated otherwise Burner size A B C D E F G H I J K N rene 1x1 676 470 214 412 164 311 203 152 170 10 305 64 19 1x 1 5 829 622 214 412 164 311 203 152 170 10 457 64 22 1x2 981 775 214 412 164 311 203 152 170 10 610 64 25 1x2 5 1133 927 214 412 164 311 203 152 170 10 762 64 28 2x1 676 470 214 717 164 616 203 457 170 10 305 178 31 2x1 5 829 622 214 717 164 616 203 457 170 10 457 178 34 2x2 981 775 214 717 164 616 203 457 170 10 610 178 37 2x2 5 1133 927 214 717 164 616 203 457 170 10 762 178 40 3x1 676 470 214 1022 164 920 203 762 170 10 305 178 43 3x1 5 829 622 214 1022 164 920 203 762 170
6. 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 _ Duct Burners APX Burners E m 4 13 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 with 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 APX9 burners are foreseen to operate under s
7. 10 457 178 47 3x2 981 775 214 1022 164 920 203 762 170 10 610 178 50 3x2 5 1133 927 214 1022 164 920 203 762 170 10 762 178 53 3x3 5 1438 1232 214 1022 164 920 203 762 170 10 1067 178 59 W W W MAX D N CC D RP 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 Duct Burners APX Burners 4 21 9 24 E m 4 13 APX Slide in units u rere i m w me G F EL _ Z i i33 I 2 4 zb Mc eme 1 Gasinlet J 2 Pilot gas connection 1 2 I j cud 3 Combustion air test connection 1 4 4 Gastestconnection 1 4 H 5 Burner support custom made B d 3 Le A A H I LAV 6 Burner mounting plug custom made H drawing shows typical lay out fi K 7 Mounting plate fer n MAS to be used in case of external ignitor et I S A and flame scanner option E 4 y N pall B
8. 4 U4 D 2 NE m Ul P 9d ESI AH das Z B B C C D Dimensions in mm 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 152 305 457 610 762 914 107 1219 1372 1524 1676 1829 1981 2134 2286 Gas inlet 1 1 1 11 2 11 11 7 11 2 2 2 2 2 21 2 2 1 2 2 1 2 2 1 2 2 1 2 A 420 420 420 420 420 420 420 420 420 420 420 420 420 520 520 B 620 620 720 720 720 720 920 920 920 920 920 920 920 1120 1120 J 2 300 300 300 300 300 300 300 300 300 300 300 300 300 400 400 H 2 500 500 600 600 600 600 800 800 800 800 800 800 800 1000 1000 weight kg 59 67 72 79 84 90 110 116 122 128 134 140 177 184 192 Dimensions in mm unless stated otherwise Burner size 8 8 5 9 9 5 10 10 5 11 11 5 12 12 5 13 13 5 14 14 5 15 L 2438 2591 2743 2896 3048 3200 3353 3505 3658 3810 3962 4115 4267 4420 4572 Gas inlet 1 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 A 520 520 520 520 520 520 520 520 520 520 520 520 520 520 520 B 1120 1120 1120 1120 1120 1120 1120 1120 1320 1320 1320 1320 1320 1320 1320 J 3 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 H 2 1000 1000 1000 1000 1000 1000 1000 1000 1200 1200 1200 1200 1200 1200 1200 weight kg 200 207 214
9. 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 _ Duct Burners APX Burners E m 4 13 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 temperature system back pressure variations and other parameters could influence gas air ratio if the control system is not designed for
10. 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 250 C Max downstream process air temperature at low fire 300 C Max downstream process air temperature at high fire 400 C Special attention should be paid when selecting the burner to avoid downstream process air temperatures above 300 C 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 50 C In some installations the use of higher temperature combustion air or combustion air containing slightly lower oxygen levels may be possible This should be considered case by case Contact MAXON for more information W W w M A X ON GC DD R P COM COMBUSTION SYSTEMS FOR
11. 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 W W M A X D N CO DD R P COM 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 17 Duct Burners APX Burners E m 4 3 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 the flame detector For both pilot and direct ignition use ignition transformers min 5000 V 20 mA Available spark ignitors Spark i
12. 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 2 m s 2 m s Max process air velocity 8 20 m s 2 6 9 m 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 2 m s 2 Optimal burner performance of in duct APX burners will be realized with a uniform process air velocity around the flame between 2 m s and 8 m s Higher process air velocities are possible up to 20 m s however may influence emissions of CO see page 4 21 9 19 3 Higher cross velocities up to 9 m 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 j 9 mbar to balanced Max process back pressure R in duct APX 2 100 mbar to 100 mbar Max process back pressure in duct APX slide in unit jg ee mbart r 0mbar 1 Wall mounted burners can only fire in ducts under suction or in
13. 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 Wi the mixing plate sets mixing plate screws and nuts back up bar E gas inlet gasket gasket between gas inlet flange and burner body Wi end plate gasket gasket between endplate and burner body 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
14. rod 48 CS FR 4ft CS quartz flame rod 48 SS FR 4 ft SS quartz flame rod 48 FRL T 4 ft quartz flame rod 1 2 Select your flame rod in function of the required length 1 ft to 4 ft in steps of 0 5 ft 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 W W 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 19 _ Duct Burners APX Burners E m 4 13 Pip
15. 0 1000 3 3 15 43 23 4500 10 4500 110 750 1000 3 3 Not for EC market see Available APX versions and options page 4 21 9 12 and page 4 21 9 13 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 Sg specific gravity relative density to air density air 1 293 kg Nm Burner size corresponds with the straight burner length in ft 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 Fresh air firing When firing in low oxygen environment max capacity should be downrated 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 1 2 3 4 5 6 7 W W w M A X ON GC DD R P COM MAXON A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifi
16. 168 168 168 168 168 168 168 168 168 K 292 292 292 292 292 292 292 292 292 292 292 292 292 292 292 292 292 292 L 343 495 648 800 952 1104 1257 1562 1867 2172 2476 2781 3086 3391 3696 4000 4305 4610 weight kg 6 9 12 45 19 22 25 31 37 43 5 56 06 68 74 81 87 93 W W W M A X ON C OR P C OM COMBUSTION SYSTEMS FOR INDUSTRY 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 22 _ Duct Burners APX Burners E m 4 13 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
17. 260 270 280 287 296 325 334 343 352 361 371 378 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 W w M A X DD N C OR 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 25 _ Duct Burners APX Burners E m 4 13 For complete burner dimension information the following application dependent dimensions should be defined internal duct width max 600 mm D X Y Z S internal insulation thickness external insulation thickness flange elevation default 100 mm NAXXOZ Wall mounting opening dimensions A wall opening width wall opening height 7 in B burnernominal 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 S E F G duct wall thickness min 150 mm min 150 mm default G X Note that Fig 1 en
18. DUSTRY A MAXON MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company 1 ft to 15 ft external blower 1 Gasinlet Rc 1 1 2 2 d 4 5 lt eur S eu Air inlet shutter Test connection Mounting surface Gas inlet flange 1 1 2 NPT Duct Burners APX Burners 4 21 9 21 E m 4 13 Dimensions in mm unless stated otherwise du a 1 145 E 25 3 oe a 5 6 7 8 owe 1 1 H 12 13 14 15 sketch A B B B B B B B C C D D D ID E FIFE A 93 178 178 178 178 178 178 178 635 457 914 914 914 914 457 457 457 533 B 127 457 635 737 632 737 737 1372 1372 1372 1600 B e 457 279 737 610 737 i082 3388 1194 1194 1422 D amp rx 2 Psy i e We lt os zm E 51 514 51 51 5141 51 51 51 51 51 511 511 51 5 51 51 51 F se Me e haa ls f Eom ow Em lt asala G 165 165 165 165 165 165 465 165 465 465 165 465 465 165 165 465 165 165 H 50 50 50 50 50 50 50 50 50 50 50 50 5 5 5 5 5 50 J 168 168 168 168 168 168 168 168 168
19. OR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved Universal mounting bracket 4 21 9 27 _ Duct Burners APX Burners E m 4 13 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 1 Mounting surface to be attached Q to burner Y e C LL d i Lc _ Dimensions in mm unless stated otherwise A B C D E eF 191 165 95 34 25 10 Endplates FIG 1 1 Spark ignitor connection M10x1 FI 2 UV flame rod connection 1 NPT 3 Pilot gas connection 3 4 16 UNF 4 Flame rod e 5 Mounting surface 6 Pilot air shutter qr M5 T Dimensions in mm unless stated otherwise A B C G D Em Fn G H J K L 28 46 91 9 274 239 86 152 20 64 165 1 Clearance for flame rod removal W W W M A X D N COR P COM COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved A A VIEW B B 5 q i X EG isi ol SAM ot 1 Z Los 4 a MAXON A Honeywell Company FIG 2 1 Flame r
20. S 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 Duct Burners APX Burners ni E m 4 13 Mounting plate kits for spark ignitor and flame detection External SI UV gt 3 1 Gasket A C 3 A 2 Coverplate pg C ua 3 Sealing plate i Ye F Lj oy a g L L m a T ML i i bu T jy E I EZ u SS E E A A G M E A F lt Dimensions in mm unless stated otherwise A B C D E F G H I J K OL M Weight kg 95 140 63 120 20 4 14 8 12 8 6 5 8 1 28 5 28 5 19 5 1 2 Internal SI UV 1 Gasket A iy 2 A C X et 2 Cover plate EE a e 4 4 m a n LJ FC 2 T I E M 1 A A E G eis a LE LI Dimensions in mm unless stated otherwise A B C D E F G H I J OK OL M Weight kg 95 140 63 120 17 5 22 5 12 8 10 5 P 9 P 9 12 5 1 W W W MAX UN CUR P C 0M COMBUSTION SYSTEMS FOR INDUSTRY A MAXON MAXON reserves the right to alter specifications and data without prior notice 2009 Co
21. Specifications of APX burners APX Burner STRAIGHT packaged blower 1 Duct Burners APX Burners 4 21 9 7 E m 4 13 Typical burner data 2 Fuel natural gas with 10 9 kWh Nm humidity sg 0 6 3 Combustion air 15 C 21 O 50 humidity sg 1 0 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 length Blower Number Size 4 gaspressure gaspressure capacity e air pressure air flow 8 Capacity 9 Horsepower of blow Standard low pres 7 ers drilling sure drilling 5 5 kW HHV mbar m3 h kW HHV mm hp mbar mbar 0 5 43 14 117 3 7 136 4 750 1000 1 12 1 1 43 23 300 10 300 7 750 1000 1 2 10 1 1 5 43 23 450 10 450 11 750 1000 1 2 10 1 2 43 23 600 10 600 15 750 1000 1 1 2 5 43 23 750 10 750 18 750 1000 1 1 3 43 23 900 10 900 22 750 1000 1 1 3 5 43 23 1050 10 1050 26 750 1000 1 5 1 4 43 23 1200 10 1200 29 750 1000 1 5 1 5 43 23 1500 10 1500 37 750 1000 3 1 6 43 23 1800 10 1800 44 750 1000 1 2 7 43 23 2100 10 2100 51 750 1000 1 5 2 8 43 23 2400 10 2400 59 750 1000 1 5 2 9 43 23 2700 10 2700 66 750 1000 3 2 10 43 23 3000 10 3000 73 750 1000 3 2 11 43 23 3300 10 3300 81 750 1000 3 2 12 43 23 3600 10 3600 88 750 1000 1 5 3 13 43 23 3900 10 3900 95 750 1000 3 3 14 43 23 4200 10 4200 103 75
22. actor for fresh air firing 8 n 33 6 6 3 3 1 6 1 1 1 1 Flame length fresh air firing 9 m NA 0 3 0 5 0 8 0 8 1 2 1 2 1 5 1 5 1 9 Differential combustion air pressure for recirculating air firing low O5 n gt 1 3 fe mer 10 w 1e 10 Ip 23 Differential i i l ifferential combustion air pressure at blower A mban 15 15 15 15 21 38 outlet for recirculating air firing low Os n gt 1 3 Optimal combustion air flow for 3 recirculating air firing low O n gt 1 3 j SUD 0999 eee a ee SS ey Optimal combustion air factor for recirculating air firing low O n gt 1 3 8 n 33 6 6 3 3 16 13 NA Flame length recirculating air firing low Os n gt 1 3 Pel M Recirculation air with low O and higher upstream temperature 1 If an APX 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 1 293 kg Nm 3 20 kW ft is the minimum capacity for propane butane firing 1 control valve per burner SP drillings see 4 The maximum capacity is set at 400 kW ft Overfiring in fresh air heating application is possible up to 20 For low oxygen recirculating applications we advise to limit the max capacity per foot to 300 KW with n 1 3 4 Pressure differential between burner test connection and combustion chamber for propane butane to b
23. and data without prior notice I IAXON 2009 Copyright Maxon Corporation All rights reserved A Honeywell Company COMBUSTION SYSTEMS FOR INDUSTRY _ 4 21 9 37 Duct Burners APX Burners E m 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 of 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 I 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 oper
24. ation 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 it is 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 several 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 le
25. canner FIG5 UV no yes FIG6 FR no yes In duct feed through raw gas pilot 3l endplate set FIG6 UV no yes External mounting plate kit for S external UV FR and external SI EMPSEAT ng yes Re External mounting plate kit for RSs internal UV FR and internal SI EMPSINT yes In duct endplate set for direct ignition incl SI FR and provision for UV BI NPSEPSERESUM i yes 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 9 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 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 4 W W W M A X ON C O R P COM 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 Duct Burners APX Burners APX9 endplate accessori
26. cations and data without prior notice 2009 Copyright Maxon Corporation All rights reserved 4 21 9 8 _ Duct Burners APX Burners E m 4 13 APX burner H external blower conversion table to corresponding straight lengths of burner in feet a 4 Corresponding Burner size EUIS straight length ft ft APX1x1H 1x1 3 APX 1x1 5H 1x1 5 3 5 APX1x2H 1x2 4 APX1x2 5H 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 W W M A X D N CO DD R P COM 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 9 _ Duct Burners APX Burners E m 4 13 APX burner firing on natural gas modulated combustion air 1 STRAIGHT and H external blower Typical burner data Fuel natural gas with 10 9 kWh Nm HHV sg 0 6 2 Combustion air 15 C 21 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
27. dplates need a special wall opening shape if full seal is required Contact MAXON for details Dimensions in mm unless stated otherwise W W W M AX ON C OR P COMBUSTION SYSTEMS FOR INDUSTRY MAXON reserves the right to alter specifications and data without prior notice 2009 Copyright Maxon Corporation All rights reserved Endplate Fig X 1 55 2 3 4 5 6 34 4 76 c D M MAXON A Honeywell Company Mounting flange dimensions Use this sketch to determine fixing points for flange mounted burner parts J l l Duct Burners APX Burners A C o C B o 89 AT s I P d Z a a m B L E E yt u o m i Lo d m il Q li Dimensions in mm unless stated otherwise A B C D E 53 213 152 11 14 Slot mounting tabs 4 21 9 26 E m 4 13 These support tabs can be mounted at various locations on the burner body at 152 mm 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 A 3 m X me er Y Dimensions in mm unless stated otherwise A B C D E 51 86 57 11 10 W W w M A X D N C D R P COM MAXON A Honeywell Company COMBUSTION SYSTEMS F
28. e used for burner commissioning SP burner Standard Pressure drillings Actual pressure differential at burner gas inlet is approx 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 air factor is 20 96 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 10 1 foot 305 mm 9 W W W M A X D N GC DD R P COM 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 Materials of construction 1 Air gas mixing body Aluminum 2 Mixing plates AISI 430 1 4016 3 Endplate Cast iron or AISI 304 1 4301 4 Side
29. elected Refer to table page 4 21 9 14 Overview of endplate set options and table page 4 21 9 15 APX 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 1 ft CS quartz flame rod 12 SS FR 1 ft SS quartz flame rod 12 FRL T 1 ft quartz flame rod 18 CS FR 1 5ft CS quartz flame rod 18 SS FR 1 5 ft SS quartz flame rod 18 FRL T 1 5 ft quartz flame rod 24 CS FR 2ft CS quartz flame rod 24 SCS FR 2ft SS quartz flame rod 24 FRL T 2ftquartz flame rod 30 CS FR 2 5 ft CS quartz flame rod 30 SS FR 2 5 ft SS quartz flame rod 30 FRL T 2 5ftquartz flame rod 36 CS FR 3ft CS quartz flame rod 36 SS FR 3 ft SS quartz flame rod 36 FRL T 3ftquartz flame
30. ence 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 W W W M A X D N CO DD R P 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 Duct Burners APX Burners sO 20 E m 4 13 Dimensions and weights 0 5 ft packaged blower 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 mm unless stated otherwise A B C D E F G H l K L 165 292 114 284 168 206 78 7 119 102 196 259 Mounting arrangements view C C Continuous flange mounting Slot mounting X ik lo O z al o dl ere lU P to Dimensions in mm unless stated otherwise M N O P Q R S T X Y 201 229 257 152 11 127 234 11 218 178 W W W M A X D N COR P COM COMBUSTION SYSTEMS FOR IN
31. es included in the endplate assembly 4 21 9 15 E m 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 m 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 2 3 Only applicable for US supplies spark excitation Select correct flame rod from table Feed thru flame rods on page 4 21 9 18 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 applications standard spark ignitor SI APX 10 mm and standard flame rod FR APX can be selected Both the standard SI FR or the feed thru
32. 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 W W M AX OUO N COR P C M 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 _ Duct Burners APX Burners E m 4 13 Flame supervision The flame of APX burners can be supervised with a flame rod or UV scanner Depending on the application different versions of endplate sets accommodating different types of flame rods can be s
33. gnitors 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 1 ft CS quartz ignitor 12 SS QI 1 ft SS quartz ignitor 12 QI L T 1 ft quartz ignitor 18 CS QI 1 5 ft CS quartz ignitor 18 SS QI 1 5 ft SS quartz ignitor 18 QI L T 1 5 ft quartz ignitor 24 CS QI 2 ft CS quartz ignitor 24 SCS QI 2 ft SS quartz ignitor 24 QI L T 2 ft quartz ignitor 30 CS QI 2 5 ft CS quartz ignitor 30 SS QI 2 5 ft SS quartz ignitor 30 QI L T 2 5 ft quartz ignitor 36 CS QI 3 ft CS quartz ignitor 36 SS QI 3 ft SS quartz ignitor 36 QI L T 3 ft quartz ignitor 48 CS QI 4 ft CS quartz ignitor 48 SS QI 4 ft SS quartz ignitor 48 QI L T 4 ft quartz ignitor 4 Select your spark ignitor in function of the required length 1 ft to 4 ft in steps of 0 5 ft Typical ignition sequence with pilot Bi Pre purge of burner and combustion chamber according to the applicable codes and the installation s requirements Bi Gas control valve shall be in the minimum position Bi APX burners with modulated combustion air shall have the combustion air valve linked with the
34. gth may vary as a function of process air flow distribution velocity temper ature oxygen level etc Contact MAXON for more information 10 1 foot 305 mm W W W M AX OUO N COR P C M 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 10 _ Duct Burners APX Burners E m 4 13 APX burner firing on propane modulated combustion air flow 1 STRAIGHT and H external blower Typical burner data Fuels propane with 26 83 kWh Nm HHV sg 1 57 2 butane with 34 82 kWh Nm HHV sg 2 07 2 Combustion air 15 C 21 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 firing Capacity per ft 10 3 KW HHV 20 50 100 200 300 400 Differential propane gas pressure ul mbar 0 1 0 5 19 75 47 30 SP burner Differential butane gas pressure 5 mbar 0 1 0 4 14 5 8 13 23 SP burner Differential combustion air pressure t6 mbar 10 10 10 10 10 18 for fresh air firing D E N Differential combustion air pressure at blower 71 mbar 15 15 15 15 15 21 5 outlet for fresh air firing E Optimal combustion air flow for fresh air firing 8 M y h ft_ 300 300 300 300 300 400 s Optimal combustion air f
35. ing 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 related factors such as unequal process air distribution can all influ
36. itor SI APX 10 mm 1 10 mm thread Dimensions in mm unless stated otherwise A B C D 70 6 10 3 Spark ignitor SI APX 14 mm Long 1 14 mm thread Dimensions in mm unless stated otherwise A B C D 104 13 47 2 Spark ignitor SI APX 14 mm Short 1 14 mm thread Dimensions in mm unless stated otherwise A B C D 84 13 27 2 W W w M A X D N C D R P 8 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 Spark ignitor SI APX 1 2 14 1 1 2 14 thread Dimensions in mm unless stated otherwise A B C D E 165 140 32 10 14 Spark ignitor quartz less tube Dimensions in mm unless stated otherwise A B C 213 165 12 Spark ignitor quartz with tube 4 21 9 32 _ Duct Burners APX Burners E m 4 13 Available in different sizes Each size available in either carbon steel or stainless steel ii D c Qu e i mila a 1 A am oe B dee p 1 r Elusussua m EE 4 O A a Dimensions in mm unless stated otherwise Size A eB 12 305 25 4 18 457 25 4 24 610 25 4 30 762 25 4 36 914 25 4 48 1220 25 4 www MaAxXOQON COR P C OM COMBUSTION SYSTEM
37. m 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 same 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 9096 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
38. ngth 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 W W 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 _ Duct Burners APX Burners E m 4 13 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 frequencies shall be carried out as specified in the installation manual Perform the following activities at least annually as part of a recommended preventative maintenance routine W 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 B 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
39. od connection1 1 4 NPT 2 Flame rod 3 Optional sight glass 4 Gastest connection 1 8 NPT 5 Mounting surface Dimensions in mm unless stated otherwise A B C OD Ern Fn G H J K L M N 28 46 91 9 2361175 12 64 38 51 165 20 36 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 Duct Burners APX Burners Dimensions in mm unless stated otherwise A B D E 1 F 1 G H J K L M N 28 46 91 9 84 69 127 64 38 51 165 20 36 1 Clearance for spark ignitor removal W W W M A X AN G D R P C O M 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 m 4 13 MAXON A Honeywell Company 4 21 9 29 _ Duct Burners APX Burners E m 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 mm unless stated otherwise A B C D E 1 FI G H J K L P 28 46 91 9 272 201 127 64 89 102 165 20 1 Clearance for flame rod removal
40. plate Galvanized or AISI 430 1 4016 W W W 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 D M 4 21 9 11 _ Duct Burners APX Burners E m 4 13 MAXON A Honeywell Company 4 21 9 12 _ Duct Burners APX Burners E m 4 13 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 150 mm downstream from the burner mounting flange it is possible to penetrate oven panels up to 150 mm thickness without risking damage to oven structure from flame impingement The in duct APX is installed inside 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 a
41. pyright Maxon Corporation All rights reserved A Honeywell Company 4 21 9 34 _ Duct Burners APX Burners E m 4 13 Blowers and accessories 1 Blower 2 Filter 3 Silencer 2G nA Dimensions in mm unless stated otherwise Ed A B cep EE oc 1 323 292 386 366 516 178 300 1 5 323 292 386 366 516 178 300 2 417 292 483 371 521 178 300 2 5 through 15 417 292 483 371 706 229 417 Adjustable pilot gas orifice OQ g 3 P N 1 N au 1 Gasoutlet 3 8 NPT N L Ea Aa ni O 2 Gas inlet 3 8 NPT MAXON Ha 3 Protection cap remove to access A flow adjustment screw HEX 3 8 mm ie B Z A 38 mm B 87 5 mm C 19mm W W W M A X D N C ORP COM 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 35 E m 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 downstrea
42. re 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 Tocomply with local codes and directives special provisions may be required to correctly safeguard the minimum po combustion air pressure in case multiple blowers are mounted on the burner 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 Duct Burners APX Burners E m 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 Straight 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 f
43. ressure from above table for required maximum capacity per foot 2 sg specific gravity relative density to air density air 1 293 kg Nm 3 10 kW ft is the minimum capacity for natural gas 1 control valve per burner SP drillings see 4 The maximum capacity is set at 400 kW ft Overfiring 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 300 kW 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 air factor is 20 96 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 len
44. rners 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 W W MAX D N COR P COM 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 Duct Burners APX Burners 4 21 9 14 E m 4 13 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 m incl SI pilot gas connection FR or 2 em provision for UV scanner FIG1 UV yes no ISSA Endplate set with FR only FIG2 FR yes yes N Endplate set with sight glass only FIG2 SG yes yes M Plain endplate set FIG2 PLN yes yes bi Endplate set for direct ignition with SI only FIG3 SI yes yes I FIG4 FR yes no Raw gas pilot endplate 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 s
45. t 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 3x 1 to 3x3 5 fH 2 4 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 1x 2 5 ft H 2 4 NA NA 2x 1 to 2x 2 5 t H 2 4 NA NA 3x 1 to 3x 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 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 bu
46. uction 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 support 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 A 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 W W W M A X ON GC O R P COM MAXON reserves the right to alter specifications

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