CROSSFIRE Line Burner Page 5603 Capacities and Operating Data Performance Data Lineal heat release at high fire Minimum lineal heat release Btu/hr/f t 1,000,000 1,250,000 1,500,000 1,750,000 2,000,000 2,250,000 2,500,000 Btu/hr/f t 100,000 100,000 100,000 100,000 100,000 100,000 100,000 Turndown ratio 10: 1 12.5: 1 15: 1 17.5: 1 20: 1 22.5: 1 25: 1 Flame length f eet [ 1] 2. 7 3. 2 3. 6 4. 0 4. 3 4. 7 5. 0 P ilot pressure/heat release " w.c. * [ 2] / Btu/hr 5-8" w.c. / 40,000 Btu/hr Combustion air flow SCFM 250 313 375 438 500 563 625 A ir pressure at burner inlet ("w.c. ) [ 3] 2. 3 3. 6 5. 1 7. 0 9. 1 11. 5 14. 2 Air pressure connection Fuel pressure (natural gas) at burner test at burner inlet Fuel pressure at burner test connection (natural gas) ("w.c.)* 2. 1 3. 3 4. 7 6. 4 8. 3 10. 5 13. 0 ("w.c. ) [ 3] 8. 5 13. 3 19. 2 26. 1 34. 1 43. 2 53. 3 ("w.c.)* 7. 4 11. 5 16. 6 22. 5 29. 4 37. 3 46. 0 N Ox emissions [ 4] ppm @ 3% O < 25 ppm corrected to 3% O dry 2 2 C O emissions [ 4] ppm @ 3% O < 250 ppm corrected to 3% O dry 2 2 [1] Flame length is based on 50% excess combustion air. Flame length will vary depending on various application parameters (e.g. passing air stream velocity, oxygen content, and combustion air preheat temperature) [2] At inlet of adjustable pilot orifice. [3] Air and gas DP is differential over system static pressure. [4] Emissions stated are not guaranteed. Actual emission performance may vary. Contact Maxon for specific application details. *Differential pressures measured at burner test connections. Air and gas DP is differential over system static pressure. Operating Environment Variable Inlet Combustion Air Temp. Inlet Combustion Air O Level 2 Air Stream Cross Velocity Air Stream Axial Velocity Upstream Air Temperature Downstream Air Temperature Process Air Stream O Level 2 Minimum Maximum F Ambient 200 % O 2 20. 8 20. 8 ft/min 0 3000 ft/min 0 4000 F See Chart F Below % O 2 4 21 The burner can operate in a variety of environments. Typical operating environments, limits on their variables, and notes concerning operation of the burner are presented at left. It is important to note that inlet combustion variables such as O 2 level and combustion air temperature will change air pressure requirements and/or maximum firing capacity. F 1350 Temperature Operating Envelope Downstream Temperature 1200 1025 Consult Maxon Operating Envelope 850 100 250 500 750 F Upstream Temperature Consult Maxon for operation in shaded region. Ability to operate in shaded region is dependent upon operating conditions. 1/13
Page 5604 CROSSFIRE Line Burner Natural Gas Fuel/Air Settings Capacities and Operating Data Lower CO Lower NOx NOTE: Pressure measured at burner test connections; refer to inlet pressure requirements for fan sizing Propane Fuel/Air Settings Lower CO Lower NOx NOTE: Pressure measured at burner test connections; refer to inlet pressure requirements for fan sizing
CROSSFIRE Line Burner Page 5605 Side View (back inlet section shown) 16.6 17.8 13.35 3.2 4.6 Coupling required for ISO connection Bottom View end inlet section Coupling required for ISO connection 4.34 1-1/2 NPT Pipe Fuel Inlet 10.8 mm dia. Combustion Air Inlet Lifting Lugs.5 ft. burner = 4" dia. specified on order 1 ft. & 1.5 ft. burners - 6" dia. Bottom view back inlet section w/round air inlet (Typ.) 6.0 Bottom view back inlet section w/retangular air inlet 3.45 6.5 6.9 Gas Inlet 1-1/2" NPT Combustion Air Inlet 8" dia. 10.8 mm dia. Lifting Lugs specified per order Gas Inlet 1-1/2" NPT Combustion Air Inlet 7.5 Pilot End View 6.9 1.1 6.9 1.1 6.9 1.1 16.3 UV Scanner 3/4" NPT Spark Ignitor 14mm Gas Test Connection 1/8" NPT Pilot Fuel/Air 1/2" NPT 4.3 5.9 6.4 7.6 11.3 13.4 19.4 16.3 Combustion Air Test Connection 1/8" NPT Round air inlet 4" & 6" dia. Round air inlet 8" dia. Rectangular air inlet 6.5" W x 7.5" H 10/03
Page 5606 CROSSFIRE Line Burner Straight Burner Sections.5 ft. burner - end inlet 1 ft. burner - end inlet 1.5 ft. burner - end inlet 4.2 2.8 3.1 8.9 6.2 4.2 2.8 6.1 14.9 12.2 4.2 2.8 9.1 20.9 18.2 2 ft. burner - back inlet 3 ft. burner - back inlet 12.1 26.9 38.9 24.2 36.2 4 ft. burner - back inlet 50.9 48.2 5 ft. burner - back inlet 62.9 60.2 24.0 6 ft. burner - back inlet 74.9 72.2
CROSSFIRE Line Burner Page 5607 Straight Burner Sections 7 ft. burner - back inlet 15.0 86.9 84.2 8 ft. burner - back inlet 98.9 96.2 48.0 21.0 9 ft. burner - back inlet 27.0 110.9 108.2 60.0 10/03
Page 5608 CROSSFIRE Line Burner 26.9 2 ft. back inlet grid sections 26.9 24.2 24.2 12.1 12.1 11.7 18.9 17.7 24.9 2 BI XF GRD with 12" span 2 BI XF GRD with 18" span 26.9 26.9 24.2 24.2 12.1 12.1 14.9 36.9 23.7 30.9 29.7 2 BI XF GRD with 24" span 2 BI XF GRD with 30" span 26.9 24.2 12.1 26.9 24.2 12.1 54.9 17.9 35.7 42.9 23.9 47.7 2 BI XF GRD with 36" span 2 BI XF GRD with 48" span
CROSSFIRE Line Burner Page 5609 3 ft. back inlet grid sections 38.9 38.9 36.2 36.2 18.9 17.7 24.9 3 BI XF GRD with 12" span 3 BI XF GRD with 18" span 38.9 36.2 38.9 36.2 30.9 14.9 36.9 23.7 29.7 3 BI XF GRD with 24" span 38.9 36.2 3 BI XF GRD with 30" span 38.9 36.2 17.9 35.7 42.9 23.9 47.7 54.9 3 BI XF GRD with 36" span 3 BI XF GRD with 48" span 10/03
Page 5610 CROSSFIRE Line Burner 4 ft. back inlet grid sections 50.9 50.9 48.2 48.2 11.7 18.9 17.7 24.9 4 BI XF GRD with 12" span 4 BI XF GRD with 18" span 50.9 50.9 48.2 48.2 30.9 14.9 36.9 23.7 29.7 4 BI XF GRD with 24" span 4 BI XF GRD with 30" span 50.9 48.2 50.9 48.2 17.9 42.9 23.9 54.9 35.7 47.7 4 BI XF GRD with 36" span 4 BI XF GRD with 48" span
CROSSFIRE Line Burner Page 5611 5 ft. back inlet grid sections 62.9 60.2 62.9 60.2 11.7 18.9 17.7 24.9 24.0 5 BI XF GRD with 12" span 24.0 5 BI XF GRD with 18" span 62.9 60.2 62.9 60.2 30.9 14.9 36.9 23.7 29.7 24.0 5 BI XF GRD with 24" span 24.0 5 BI XF GRD with 30" span 62.9 60.2 62.9 60.2 17.9 35.7 42.9 23.9 47.7 54.9 24.0 5 BI XF GRD with 36" span 24.0 5 BI XF GRD with 48" span 10/03
Page 5612 CROSSFIRE Line Burner 6 ft. back inlet grid sections 74.9 72.2 74.9 72.2 11.7 18.9 24.9 17.7 6 BI XF GRD with 12" span 6 BI XF GRD with 18" span 74.9 72.2 74.9 72.2 23.7 30.9 14.9 29.7 36.9 6 BI XF GRD with 24" span 6 BI XF GRD with 30" span 74.9 72.2 74.9 72.2 17.9 35.7 42.9 23.9 47.7 54.9 6 BI XF GRD with 36" span 6 BI XF GRD with 48" span
CROSSFIRE Line Burner Page 5613 7 ft. back inlet grid sections 86.9 84.2 86.9 84.2 11.7 18.9 17.7 24.9 7 BI XF GRD with 12" span 7 BI XF GRD with 18" span 86.9 86.9 84.2 84.2 30.9 14.9 36.9 23.7 29.7 7 BI XF GRD with 24" span 7 BI XF GRD with 30" span 86.9 84.2 86.9 84.2 17.9 35.7 42.9 23.9 47.7 54.9 7 BI XF GRD with 36" span 7 BI XF GRD with 48" span 10/03
Page 5614 CROSSFIRE Line Burner 8 ft. back inlet grid sections 98.9 96.2 98.9 96.2 18.9 11.7 17.7 24.9 48.0 8 BI XF GRD with 12" span 48.0 8 BI XF GRD with 18" span 98.9 98.9 96.2 96.2 30.9 14.9 36.9 23.7 29.7 48.0 8 BI XF GRD with 24" span 48.0 8 BI XF GRD with 30" span 98.9 96.2 98.9 96.2 17.9 35.7 23.9 47.7 54.9 42.9 48.0 8 BI XF GRD with 36" span 48.0 8 BI XF GRD with 48" span
CROSSFIRE Line Burner Page 5615 9 ft. back inlet grid sections 110.9 108.2 110.9 108.2 18.9 11.7 17.7 24.9 72.0 72.0 9 BI XF GRD with 12" span 9 BI XF GRD with 18" span 110.9 108.2 110.9 108.2 23.7 30.9 14.9 29.7 36.9 72.0 72.0 9 BI XF GRD with 24" span 9 BI XF GRD with 30" span 110.9 110.9 108.2 108.2 17.9 35.7 23.9 47.7 42.9 54.9 72.0 9 BI XF GRD with 36" span 72.0 9 BI XF GRD with 48" span 10/03
Page 5616 CROSSFIRE Line Burner Horizontal spacing of CROSSFIRE ladders 62.9 48.0 7.5 typ. 4 ft. CROSSFIRE Ladder 74.9 60.0 7.5 typ. 5 ft. CROSSFIRE Ladder 86.9 7.5 typ. 6 ft. CROSSFIRE Ladder 15.0 15.0 98.9 42.0 42.0 7.5 typ. 7 ft. CROSSFIRE Ladder 15.0 15.0 33.0 33.0 110.9 48.0 48.0 7.5 typ. 8 ft. CROSSFIRE Ladder 15.0 15.0 3 3 122.9 54.0 54.0 7.5 typ. 9 ft. CROSSFIRE Ladder 15.0 15.0 45.0 45.0
CROSSFIRE Line Burner Page 5617 Vertical spacing of CROSSFIRE ladders Dim. A Dim. B Designation Cross Member Description Dim. A (inches) Dim. B (inches) 112 1-12" spacing 12 24 118 1-18" spacing 18 36 124 1-24" spacing 24 48 130 1-30" spacing 30 60 Dim. A Dim. B Designation Cross Member Description Dim. A (inches) Dim. B (inches) 212 2-12" spacing 12 36 218 2-18" spacing 18 54 224 2-24" spacing 24 72 230 2-30" spacing 30 90 Dim. A Dim. B Designation Cross Member Description Dim. A (inches) Dim. B (inches) 312 3-12" spacing 12 48 318 3-18" spacing 18 72 324 3-24" spacing 24 96 330 3-30" spacing 30 120 Dim. A Dim. B Designation Cross Member Description Dim. A (inches) Dim. B (inches) 412 4-12" spacing 12 60 418 4-18" spacing 18 90 424 4-24" spacing 24 120 430 4-30" spacing 30 150 See page 5616 for horizontal spacing of CROSSFIRE ladders 10/02
Page 5618 CROSSFIRE Line Burner Notes