12.07.2015 Views

RL Series - riello

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<strong>RL</strong> <strong>Series</strong>DIAGNOSIS OF FAULT CAUSESAfter lock-out has occurred, the red signal lamp is steady on. In this status, the visual fault diagnosis according to the error code table canbe activated by pressing the lock-out reset button for > 3 seconds.The interface diagnosis (with adapter) can be activated by pressing again the lock-out button for > 3 seconds.The fl ashing of red LED are a signal with this sequence :(e.g. signal with n° 3 fl ashes – faulty air pressure monitor)3s 3s 3s( LED off)ERROR CODE TABLEPOSSIBLE CAUSE OF FAULTNo establishment of flame at the end of safety time:- faulty or soiled fuel valves- faulty or soiled fl ame detector- poor adjustment of burner, no fuel- faulty ignition equipmentFLASH CODE2x fl ashesFaulty air pressure monitor 3x fl ashesExtraneous light or simulation of flame on burner start up 4x fl ashesLoss of flame during operation:- faulty or soiled fuel valves- faulty or soiled fl ame detector- poor adjustment of burner7x fl ashesWiring error or internal fault 10x fl ashesSTART UP CYCLE<strong>RL</strong> 34 MZ - 44 MZ - 50 - 64 MZ - 70 - 100 - 130 - 190 - 250 MZMVF1VF2TLTR32222936A0 s The burner begins the fi ring cycle: the motor andtransformer are supplied; the hydraulic ram opens inthe pre-purge position.22÷29 s Ignition: the VS and VF1 valves are supplied.36 s If the control device TR is closed or has been replacedby a jumper wire, the 2 nd stage valve VF2 opens; thefuel is sprayed out through the 2 nd stage nozzle andthe hydraulic ram opens the air damper in the 2 nd stageposition.2°1°022°1°0ARMOLED0Off Yellow Greentime (s)10

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