Assessments - 3, GPA: 4.3 ( )

Fabricante : Maxon Telecom Arquivo Tamanho: 232.96 kb Arquivo Nome : Língua de Ensino:

• Close the pilot gas valves. • Release to modulation (allow modulation of the burner). • Above sequences shall be completed to include all required safety checks during the start-up of the burner (process & burner safeties). .com combustion systems for industry MAXON reserves the right to alter specifications and data without prior notice. © 2008 Copyright Maxon Corporation. All rights reserved. 1-2.3-11 Low temperature burners -INDITHERM® E-m-7/08 Flame supervision Flame supervision can be accomplished by use of a UV-scanner for all INDITHERM® burners and sizes. The scanner connection is 1”. Due to the presence of gas at the scanner port, only tight scanners can be used. The use of a flame rod is only possible in a limited range of applications where the standard discharge sleeve is used. A flame rod combined with a high temperature discharge sleeve would generate a flame signal too low for proper flame scanning. Contact MAXON for more details when considering a flame rod. Flame development INDITHERM® burners shall be installed in combustion chambers that allow full development of the burner flame. Consult MAXON for proper combustion chamber lay-out. Gas pipe train design The INDITHERM® burner is very sensitive to variations in gas pressures at burner gas inlet. The burner gas inlet pressure should not vary more then 2.5 mbar between high and low capacity. Process back pressures The INDITHERM® burner can operate between 0 and 1.5 mbar back pressure. The burner should not be used on applications where back pressures would fall outside these limits. It is possible to mount the burner on a process with changing back pressures as long as the fluctuating pressures stay within the 0 to 1.5 mbar limit. Measuring equipment for burner commissioning The burner gas pressures and air pressures as mentioned in table on page 1-2.3-6 should be used as a guideline for burner system design and to have an approximative value for burner set up.To adjust the burner properly during commissioning, the oxygen content in the flue gas should be measured. A properly adjusted burner in an indirect fired application should have approximately 3% O2 in the stack at maximum capacity. .com combustion systems for industry MAXON reserves the right to alter specifications and data without prior notice. © 2008 Copyright Maxon Corporation. All rights reserved. 1-2.3-12 Low temperature burners -INDITHERM® E-m-7/08 Dimensions INDITHERM® with standard discharge sleeve - all sizes 1) Gas inlet 2) Pilot gas connection 3) Combustion air test connection 4) Gas pressure test connection 5) 90° capacity control crank 6) Filter housing (optional) 7) Stainless steel discharge sleeve (standard) 8) Flame supervision port 9) Spark ignitor 1 9 6 8 2 4 75 3 Dimensions in mm unless stated otherwise burner size gas inlet [1] A B C OD E F G H I J K L M N O P S Weight (kg) 100 1” 365 225 200 160 111 442 93 390 431 224 289 353 184 214 13 5 30 300 1 1/4” 365 224 200 210 111 442 91 390 431 224 289 353 226 264 13 5 34 550 1 1/2” 514 255 200 260 138 541 100 435 462 308 367 400 286 318 13 8 50 700 2” 598 255 200 260 138 786 71 435 500 387 403 448 286 318 13 8 50 850 2” 598 255 200 260 138 777 71 ...

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