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SYSTEMA S.p.A.AIRTIGHT GAS-FIRED RADIANT TUBES INFRA9 TESTING AND STARTING UP THE PLANT9.1 Preliminary ignition proceduresa) Check that the appliances are set for the type of gas available (if necessary consult paragraph 10.1 on changingthe fuel), check the mains pressure (see table below) and turn on the gas.b) Check that the electrical connection between the burner and the electric panel is correct.c) turn the local environment thermostat to the desired temperature (consult the instructions supplied with the electricpanel); the burners will start..The red warning light comes onThe red warning light goes offThe green warning light is litBurner blockedBurner resetBurner regularly litATTENTION!!IN CASE OF FC E32C DEVICE,DURING THE PRE-WASHINGSTAGE THE STOP WARNING LIGHTREMAINS ON1) Slow ignition calibration2) Downstream pressure socket3) Flow rate calibration4) Upsream pressure socketIMPORTANT: please seal the adjustment deviceof the gas valve after completing adjustmentFig. 55 Adjusting the pressure on the electrovalve and the pressure socketsMODELSMAINS FEEDING PRESSUREPRESSURE AT THE BURNERDIAMETRO UGELLORated CONSUMPTION at 15°Cand 1013.25 mbarINFRA 6 INFRA 9 INFRA 12INFRA 6B INFRA 9B INFRA 12BNatural gas H G20 mbar 20 20 20LPG Propane G31 mbar 37 37 37Natural gas H G20 mbar 6,9 7,6 7,6LPG Propane G31 mbar 36,5 35,2 35,7Natural gas H G20 mm 5 6 6LPG Propane G31 mm 2,6 3,3 3,3Natural gas H G20 Nm 3 /h 2,96 4,76 4,76LPG Propane G31 Kg/h 2,18 3,50 3,50Rev. 18GB061050
AIRTIGHT GAS-FIRED RADIANT TUBES INFRASYSTEMA S.p.A.9.2 Measuring performanceSamples of the combustion products must be taken and their temperature measured at the hole located at the end ofthe flexible fumes element (see fig. 56).At the end of measuring, the operator must close the hole securely, so as to guarantee the seal of the duct for evacuatingcombustion products during normal plant operation.Fig. 56 Sampling point for combustion analysis.51Rev. 18GB0610
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