Riello RX28 S/PV H Installation, Use And Maintenance Instructions Download Page 1

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20037207 (3) - 04/2013

Installation, use and maintenance instructions

Premixed gas burner

One stage operation

CODE

MODEL

TYPE

20033678

RX28 S/PV H

900T5

Summary of Contents for RX28 S/PV H

Page 1: ...20037207 3 04 2013 Installation use and maintenance instructions Premixed gas burner One stage operation CODE MODEL TYPE 20033678 RX28 S PV H 900T5 GB...

Page 2: ......

Page 3: ...urner to the boiler 10 5 6 Positioning the probe electrode 10 5 7 Positioning the diaphragm LPG operation 11 5 8 Fuel supply 11 5 8 1 Gas train assembly 11 5 8 2 Air gas mixer 11 5 8 3 Testing 12 5 8...

Page 4: ...207 2 GB Contents 7 2 1 Maintenance frequency 18 7 2 2 Checking and cleaning 18 8 Faults Solutions 19 8 1 Start up problems 19 8 2 Operating faults 20 9 Electrical wiring 21 9 1 Electrical panel layou...

Page 5: ...iance with the following Technical Standards EN 12100 EN 676 and according to the European Directives LVD 2006 95 EC Low Voltage Directive EMC 2004 108 EC Electromagnetic Compatibility The quality is...

Page 6: ...ual is supplied to the user by the system manufacturer with the recommendation to keep it in the room where the heat generator is to be installed The instruction manual shows the serial number of the...

Page 7: ...and or not working installation of untested supplementary components on the burner powering of the burner with unsuitable fuels faults in the fuel power supply system use of the burner even following...

Page 8: ...th the burner components is not allowed apart from the parts requiring maintenance Only those parts envisaged by the manufacturer can be replaced 3 2 Personnel training The user is the person body or...

Page 9: ...W 24 080 Kcal h Natural gas Family 2 G20 Ncv 9 45 kWh Sm3 8 100 kcal Sm3 Pressure 10 30 mbar G25 Ncv 8 125 kWh Sm3 7 000 kcal Sm3 Pressure 10 30 mbar LPG Family 3 G31 Ncv 24 44 kWh Sm3 21 000 kcal Sm3...

Page 10: ...circuit 5 Flange 6 Fan motor 7 Combustion head with metal mesh 8 Ignition electrode 9 Flame detection probe 10 Ignition transformer 11 7 pole socket 4 7 Burner equipment Gas valve fitting screws No 1...

Page 11: ...he burner can be highly dangerous if not carried out with the great est attention keep any unauthorised people at a distance check the integrity and suitableness of the available means of handling Che...

Page 12: ...oiler door 2 using the 4 screws and if necessary the 4 nuts supplied to the stand ard equipment interposing the insulating gasket 3 5 6 Positioning the probe electrode Before installing the burner on...

Page 13: ...low produced by the fan To optimise the bulk the gas train is assembled directly on the body of the burner 5 8 1 Gas train assembly The connection valve manifold allows compensating the acci dental oc...

Page 14: ...4 Ionisation current The minimum current necessary for the control box operation is 5 A The burner normally supplies a higher current value so that no check is needed Anyway if you want to measure the...

Page 15: ...the screw V1 on the gas valve mixer slightly anticlock wise Check the pressure shown on the pressure gauge connected to the socket P2 of the valve and compare it with that indi cated on the table belo...

Page 16: ...ith G20 natural gas For conversion to G31 LPG use the special kit supplied Before carrying out the conversion Close the fuel interception tap Disassemble the gas valve 1 Fig 12 from the venturi unit 2...

Page 17: ...e ment since it improves burner performance considerably The flame developed on the surface of the head is perfectly re tained and adheres to the mesh when operating at the maximum setting This allows...

Page 18: ...ransformer LED Reset button LED indicating operating status M Fan motor SO Ionisation probe TL Limit thermostat V Gas valve Lockout Flame loss during the operation and lockout due to ignition failure...

Page 19: ...e limit thermostat TL is closed ta tf tl tm ts tw t1 t2 t3 t8 20 1 40 10 5 25 3 5 10 ta Time for checking motor turns if the number of turns is lower than 900 rpm after ta will be carried out a lockou...

Page 20: ...ure Electrodes assembly Make sure neither the electrodes nor probe show marked warp ing or oxidation on surfaces Make sure distances are still in line with those indicated in Fig 7 readjusting to the...

Page 21: ...Check that valve has changed over to open position and that there are no short circuits The connections in the control box are wrongly inserted Check and connect completely all the plugs Burner runs n...

Page 22: ...little gas through Check mains pressure and or adjust the valve as indicated in this manual The valve is faulty Replace Earth probe Check right position and if necessary adjust as indicated herein Cle...

Page 23: ...ecessary to check this fundamental safety requirement In the event of doubt have the electrical system checked by qualified personnel The electrical system must be suitable for the maximum power absor...

Page 24: ...20037207 22 GB 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 3 0 0 0 0 0 1 0 0...

Page 25: ...23 20037207 GB 0 0 1 2 2 2 3 1 1 1 4 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 2 2 2 2 5 2 2 2...

Page 26: ...h SB Lock out external signal SO Ionisation probe connector TA Transformateur d allumage TB Burner earth connection TL Limit thermostat TR Adjustment thermostat TS Safety thermostat T2A Fuse single ph...

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Page 28: ...Subject to modifications RIELLO S p A I 37045 Legnago VR Tel 39 0442 630111 http www riello it http www rielloburners com...

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Riello RX28 S/PV H, Installation, Use And Maintenance Instructions

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