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Biasi RIVA PLUS M90S.24S, Руководство по обслуживанию

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Wall hung, fan flue, room sealed gas boiler

SERVICE MANUAL

RIVA PLUS

Models:

G.C. Appl. No.

M90D.24S

47--970--15

M90D.28S

47--970--16

M90D.24SR

41--970--08

M90D.28SR

41--970--09

Leave this manual adjacent to the gas meter

Biasi U.K. Ltd

Unit 31/33, Planetary Road

Industrial Estate, Neachells Lane

Willenhall, Wolverhampton WV 13 3XB

Technical helpline: 01902 304 400

Web site: www.biasi.co.uk

Содержание RIVA PLUS M90S.24S

Страница 1: ...90D 24S 47 970 15 M90D 28S 47 970 16 M90D 24SR 41 970 08 M90D 28SR 41 970 09 Leave this manual adjacent to the gas meter Biasi U K Ltd Unit 31 33 Planetary Road Industrial Estate Neachells Lane Willen...

Страница 2: ......

Страница 3: ...24 9 12 Thermal control in the mode 24 10 Full sequence ignition device 25 10 1 Function 25 10 2 Checks 25 10 3 Removal 25 10 4 Ignition and control sequence 26 11 Modulating gas valve 27 11 1 Functio...

Страница 4: ...ion chamber Automatic air release Pump D h w temp probe D h w heat exchanger Expansion vessel Detection electrode valve D h w flow switch Diverter valve Air pressure switch Main circuit flow switch 1...

Страница 5: ...A Fig 2 lift the panel and remove it A Fig 2 To remove the side panels loosen the screws B and C Fig 3 bring the base of the panels away from the boiler and lift them freeing them from the top hooks B...

Страница 6: ...d of the sealed chamber For this purpose remove the front and side panels of the case remove the screws G as indicated in Fig 6 and remove the lid 2 5 Emptying the primary circuit 1 Close the c h circ...

Страница 7: ...ture probe NTC Electronic control p c b Full sequence ignition device gn green ye yellow rd bu wh rd bu rd bu bn bu bn bn bu bn bu bk bn bu 3 1 2 bk gnye bu rd bu bn gnye gnye gnye gnye gnye gnye gnye...

Страница 8: ...ay diverter valve gas valve DHW flow switch flow switch CH temperature probe NTC Electronic control p c b Full sequence ignition device gnye gnye bu gnye gy rd bu wh rd bu rd bu bn bu bn bn bu bn bu b...

Страница 9: ...Electronic control p c b Full sequence ignition device rd bu bu bn bu bn bn bu bn bu bk gnye bu rd vt bu bn bu bn gnye gnye gnye gnye gnye gnye gnye gnye gnye bu bn rd bu rd rd gy bn bu bu bu bn bu gy...

Страница 10: ...erminal block gy bk Pump Modulating Primary circuit gas valve flow switch CH temperature probe NTC Electronic control p c b Full sequence ignition device gnye gnye bu gnye gy rd bu bu bn bu bn bn bu b...

Страница 11: ...L Transformer ACTIVE CIRCUIT INACTIVE CIRCUIT L LINE N NEUTRAL N Electronic control p c b low voltage section J1 2 J3 3 J3 5 J3 4 J3 2 J3 1 J2 4 J2 5 Three way diverter valve Pump Full sequence igniti...

Страница 12: ...c h operation only during d h w operation 230 230 230 0 Pump Full sequence Ignition device 3 way diverter valve 0 0 Electronic control p c b 230 230 Modulating Gas valve Safety thermostat 0 Fan 230 23...

Страница 13: ...ration only during d h w operation 230 230 230 0 Pump Full sequence Ignition device 3 way diverter valve 0 0 Electronic control p c b 230 230 Modulating Gas valve Safety thermostat 0 Fan 230 230 0 Ele...

Страница 14: ...the reset push button the boiler turns on and operates correctly J J 6 J J J By pressing the reset push button the boiler starts the ignition cycle The burner doesn t light on the ignition sparks con...

Страница 15: ...on on c h J J J J Water leaks from the safety valve when the boiler is off J J J Note Useful information can be obtained also from the optical indication given by the appliance oper ation lights see s...

Страница 16: ...E G Fig 11 5 Unscrew the connection H Fig 12 lift the pipe I and rotate it right then move it downwards free ing it from the heat exchanger connection 6 Remove the motor of the three way diverter val...

Страница 17: ...1 Remove the front and right hand side panels of the case 2 Empty the primary circuit and the d h w circuit of the boiler 3 Remove the motor of the three way diverter valve see section 8 3 4 Complete...

Страница 18: ...ere is a defect in starting the rotor will begin to turn normally only starting it manually n Check that the impeller is integral with the rotor With the boiler off remove the front and right hand sid...

Страница 19: ...B brass spindle when the boiler operates in c h mode In both figures the relationship between the position of the actuator and the resistance of the motor windings the motor must be disconnected from...

Страница 20: ...ch G 5 Disconnect the c h temperature probe H 6 Unscrew the connector I the c h flow connector and the d h w outlet connector F G I H Fig 24 7 Remove the d h w heat exchanger see section 6 2 8 Remove...

Страница 21: ...rally the Electronic control p c b receives inlet in formation coming from the boiler the sensors or from the outside knobs room thermostat etc processes it and consequently acts with outlet commands...

Страница 22: ...e probe iscompared with the signal given by the control panel through the adjustment made by the user knob 75 C Fig 30 Normally the result of the comparison between these two signals directly operates...

Страница 23: ...h which it is possible to select the various boiler control function modes In Fig 31 the selectors are illustrated in the configur ation in which the boiler is set in the factory natural gas boiler ON...

Страница 24: ...e pressure in creases 9 9 Checks n Check that the fuse is complete If the Electronic control p c b does not supply any de vice pump fan etc check that the fuse 13 Fig 28 is complete If the fuse has bl...

Страница 25: ...ely for the complete range If not remove the spindle again as described at step 3 turn the knob half a turn and re insert the spindle 11 Operate the boiler and close the gas inlet cock so that the boi...

Страница 26: ...or heat from room thermostat Starts the circulator Operates motorised valve Supplies the ignition device NO Circulator off Operates motorised valve Ignition device off YES YES Fig 39 9 12 Thermal cont...

Страница 27: ...r connection f Gas injectors blocked f Faulty modulation gas valve faulty on off oper ators or not electrically supplied f Faulty Full sequence ignition device Other components like the air pressure s...

Страница 28: ...sure switch at work NO YES starts ignition discharges opens gas valve beginning of ignition period flame presence end of ignition period NO NO YES closes gas valve stops fan interrupts ignition discha...

Страница 29: ...ve input connect a suitable pressure gauge and check the gas pressure of the supply network 3 Remove the gauge and close the pressure test point 6 4 Open the gas valve outlet pressure test point 8 in...

Страница 30: ...ont panel of the case as explained in the section 2 3 of this manual 2 Disconnect the connector D Fig 46 3 Unscrew the screw E and remove on off oper ator coils 4 Reassemble the coils carrying out the...

Страница 31: ...he switch box verify the position of the shaft B referring to Fig 50 B Boiler OFF Boiler ON Fig 50 n Electrical check It is possible to verify the general operation of the switch by measuring the elec...

Страница 32: ...correct value 13 3 Removal of the expansion vessel If there is at least 400 mm clearance above the boiler and the rear exit flue can be easily removed the expan sion vessel can be changed without remo...

Страница 33: ...ssory 10 Threaded ring 1 2 3 4 5 6 7 8 9 10 Fig 58 14 3 Checks Warning isolate the boiler from the mains electricity supply before removing any covering or component n Flow switch sensor operation 1 R...

Страница 34: ...ch sensor 1 and bring the ring in touch with the sensor as illustrated in Fig 60 4 Observe the lamp B placed on the sensor body that should light If not reverse the ring and repeat the previous operat...

Страница 35: ...return d h w inlet d h w outlet B Fig 62 15 2 Checks n Temperature resistance relationship Warning isolate the boiler from the mains electricity supply before removing any covering or component Discon...

Страница 36: ...e is fitted on the rear side of the div erter group A Fig 65 16 2 Removal Warning isolate the boiler from the mains electricity supply before removing any covering or component 1 Remove all the case p...

Страница 37: ...the boiler from the mains electricity supply before removing any covering or component 1 Remove all the case panels and the sealed chamber lid 2 Disconnect the wires and check the electrical re sistan...

Страница 38: ...fan carrying out the removal oper ations in reverse sequence Warning to correctly connect the venturi device to the Air pressure switch refer to Fig 72 Fig 72 Warning After cleaning or replacement as...

Страница 39: ...emove the pipe from the Air pressure switch 4 Unscrew the screws which hold the Air pressure switch to the frame 5 Assemble the Air pressure switch carrying out the removal operations in reverse seque...

Страница 40: ...emoving any covering or component 1 Remove all the case panels the sealed chamber lid and the combustion chamber lid 2 Check for the integrity of the insulation of wires which connect the electrodes t...

Страница 41: ...ent panel The boiler should maintain a temperature below that of the safety thermostat and no overheat intervention should occur n Electrical function 1 Remove all the case panels and the lid of the s...

Страница 42: ...Sit 380 alternative 8 E83 013 Safety valve 1 BI1131 100 Watts Orkly alternative 9 E83 178 Combustion chamber side panels 2 BI1326 100 10 E83 180 Combustion chamber rear panel mod M90D 24S M90D 24SR 1...

Страница 43: ...Short spare parts list 41 1 2 6 4 5 7 3 8 15 18 12 13 20 21 22 23 25 26 14 16 24 17 19 9 10 11 9...

Страница 44: ...1796209146 17962 0914 6 3804 44A4 UK...

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