Ariston INTESA TP23 User Manual Download Page 43 | Manualshive

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11. FAULT FINDING

These fault finding guides are not exhaustive. However, it is pos-
sible to detect and correct man y defects by using the standard
fault finding diag rams described in this chapter , ensure these
guides are carried out in the set order.

11.1 Fault Finding Guide (Flow-charts)

To ensure that the external controls do not interfere with the fault
finding, disconnect the wires from the ter minal block on the rear
of the control panel and pro vide a solid link betw een the ter mi-
nals.

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Summary of Contents for INTESA TP23

Page 1: ...Country of destination GB IE Users Guide Installation and Servicing Instructions TP 23 G C Number 47 116 32 TP 30 G C Number 47 116 33 Manufacturered by Merloni TermoSanitari spa Italy...

Page 2: ...rts 10 2 To Gain General Access 10 2 1 Removing the Front Panel 10 2 2 Removing the Sealed Chamber Front Panel 10 2 3 Removing the Side Panels 10 3 Access to the Combustion Chamber 10 3 1 Removing the...

Page 3: ...d entering the appliance If the water is very hard it is recommended that a water soften er be added to the system so as to reduce the f ormation of limescale in the heat e xchanger This will ensure t...

Page 4: ...ecessary to slow the flow rate from the hot water outlet being used C Turning Off the Central Heating To turn off the Central Heating press the Centr al Heating button F the respective green LED G wil...

Page 5: ...entral heating control only The time clock is provided with 96 switches called riders each of which covers a time interval of 15 minutes four per hour When a rider is switched from the inside off sett...

Page 6: ...o the gas meter or the valve of the gas cylinder and call your Gas Supplier immediately If you are going away for a long period of time remember to shut the mains gas tap or the gas cylinder v alve Al...

Page 7: ...etection electrode 10 Ignition electrodes 11 Pump pressure switch 12 Main circuit temperature probe 13 Safety valve 3 bar 14 Domestic hot water temperature probe 15 Secondary exchanger 16 Gas valve 17...

Page 8: ...lations applicab le in Scotland with respect to the installation of the combined appliance in a room containing a bath or sho wer the location of the boiler in a room containing a bath or sho wer shou...

Page 9: ...arate box containing the connection kit Note Pay particular attention to any test water that may spill from the appliance 6 5 MOUNTING THE APPLIANCE Place the template in the position the appliance is...

Page 10: ...iance by the use of a fused double pole isolator having a contact separation of at least 3 mm in all poles or alternatively by means of a 3 A fused three pin plug and unswitched shuttered socket outle...

Page 11: ...sealed e xpansion vessel with adequate capacity This should be located on the return pipe work as close as possible to the pump inlet Mains Water Feed Central Heating There must be no direct connectio...

Page 12: ...inity and consideration must be given to adjacent boundaries In cold or humid w eather water vapour may condense on leaving the flue terminal The effect of such pluming must be considered If the ter m...

Page 13: ...ue Kit Horizontal CONTENTS 1X SILICONE O RING 60mm 1X ELBOW 90O 2X WALL SEALS INTERNAL EXTERNAL 1X ALUMINIUM FLUE PIPE INCLUDING TERMINAL TELESCOPIC 60 100 2X FLUE CLAMPS 8X SCREWS 2X SEALS The telsco...

Page 14: ...ht Should extensions be required the y are a vailable in 1 metre Part No 705786 500mm Part No 705790 and 160mm lengths Part No 705812 they must be connected directly to the boiler and secured with the...

Page 15: ...ys be used on the exhaust pipe It is not recommended that the pipe bridge be used for horizontal termination however in the unlikely event that this proves to be a necessity it is extremely important...

Page 16: ...metres 80 and 51 metres 100 The maximum length is reached by combining the total lengths of both the air intak e and e xhaust pipes Therefore a maxim um length of 40 metres for example will allow a f...

Page 17: ...17 Installation FIG 6 19 Type 1 Type 5 Type 4 Type 3 Type 2 EXHAUST AIR INTAKE AIR INTAKE AIR INTAKE MUST NOT BE FITTED ABOVE THE EXHAUST FIG 6 20 Note Drawings are indicative of flueing options only...

Page 18: ...e a minimum fall of 5mm per metre away from the appliance Maximum Length combined length of air intake and exhaust pipes less any equivalent lengths for elbows Note Under some circumstances condense m...

Page 19: ...the Front Panel B 1 2 3 4 A To dismantle the front casing panel it is necessar y to 1 Remove the two screws B 2 Move the front casing panel up and lift forward In order to access the inside of the bo...

Page 20: ...control panel up and rotate it to a fully hor izontal posi tion 3 Using a suitable knife remove the knock out B for the time clock 4 Insert the clock into the control panel 5 Secure the clock in place...

Page 21: ...21 Installation 6 12 Fitting the Time Clock continued 7 5 4 3 2 1 GREY BLACK RED 3 2 1 GREY BLACK RED MECHANICAL TIME CLOCK DIGITAL TIME CLOCK FIG 6 21...

Page 22: ...from the P C B 6 Using a volt free switching time clock connect the switching wires from the time cloc k following points 1 4 abo ve Diagram B 7 If using an external time clock and room thermostat th...

Page 23: ...move jumper is factory set in position B 2 Anti cycling Device Adjustment for Heating Position A 0 mins Position B 2 mins 3 Don t move jumper is factory set in position B 4 Don t move jumper is facto...

Page 24: ...ch 10 Safety Valve 11 Domestic Hot Water Temperature Probe 12 Secondary Exchanger 13 Gas Valve 14 D H W Flow Switch 15 D H W inlet filter 16 Drain Valve 17 Motorised Diverter Valve 18 Automatic By pas...

Page 25: ...MB 1 or equivalent is strongly recommended to pre vent corrosion sludge damaging the boiler and system Failure to carry out this procedure may invalidate the appli ance warranty 7 1 Initial Preparatio...

Page 26: ...e In the event of insufficient water pressure in the heating sys tem a safety device will shutdown the boiler Check the sys tem pressure on the pressure gauge D and if it is less than 0 4 bar refill t...

Page 27: ...tions and explain how to use the timeclock and room thermostat if fit ted 2 Show the End User how to switch the appliance off quickly and indicate the position of the electr ic supply isolator 3 Infor...

Page 28: ...2 09 28 1 5 0 0 72 2 06 35 6 6 8 TP 30 Main Burner n 14 jets mm Consumption 15 C 1013mbar m3 h Consumption 15 C 1013mbar Kg h Gas Burner Pressure max min mbar 1 35 3 49 11 5 2 2 0 80 2 60 26 8 5 3 0 8...

Page 29: ...ght hand potentiometer see below Turn clockwise to increase the pressure or counter clockwise to reduce the pressure Adjust the setting to the required heating pressure v alue displayed on the pressur...

Page 30: ...49 20 11 5 2 2 1 48 2 60 Kg h 1 10 Kg h 26 8 mbar 5 3 mbar 28 mbar 14 x 0 80 14 x 1 35 2 56 Kg h 1 09 Kg h 34 0 mbar 6 5 mbar 37 mbar 14 x 0 80 TABLE A model 23 model 30 Regulating the heating power f...

Page 31: ...primary heat exchanger check for overheating in the blade assembly clean the exhaust fan if needed 8 Adjustment of the flow rate of the gas flow rate for lighting partial load and full load 9 Check o...

Page 32: ...al inspection and replacement of the individual parts are given in the following pages 10 1 Replacement of Parts 10 2 To Gain General Access All testing and maintenance oper ations on the boiler requi...

Page 33: ...t the sealed chamber front cover from the locating pins FIG 10 7 FIG 10 6 C C FIG 10 7 10 2 3 Removing the side panels 1 Remove the four screws D for each side panel FIG 10 8 2 Pull the panel away fro...

Page 34: ...ON 10 3 3 4 Remove the jets using a No 7 socket spanner 5 Replace in reverse order 10 3 1 Removing the combustion cover 1 Remove the screws E FIG 10 10 2 Lift off the combustion cover 10 3 Access to t...

Page 35: ...ght out FIG 10 21 10 3 4 Removing the main heat exchanger Fig 10 17 I FIG 10 18 J J FIG 10 19 K FIG 10 20 FIG 10 21 1 Disconnect the electrical connections L and silicone pipes M from their connection...

Page 36: ...Remove fan and mounting plate FIG 10 28 10 3 6 Removing the fan FIG 10 25 O O P FIG 10 26 Q R FIG 10 27 S S S FIG 10 28 10 4 1 Removing the spark generator 1 Disconnect ignition leads T by pulling upw...

Page 37: ...emove the gas valve FIG 10 34 V FIG 10 33 W W FIG 10 34 10 5 Access to the Water Circuit FIG 10 35 X X FIG 10 36 FIG 10 37 Important Before any component is removed the boiler must be drained of all w...

Page 38: ...re switch 1 Remove the pump pressure s witch electrical connections Z FIG 10 39 2 Unscrew the pump pressure switch by using a spanner on the nut FIG 10 40 3 Remove the pump pressure switch FIG 10 39 Z...

Page 39: ...FIG 10 44 2 Remove the allen screw D1 FIG 10 45 3 Remove the pump FIG 10 46 FIG 10 44 FIG 10 45 FIG 10 46 10 5 6 Removing the pressure gauge 1 Remove the U clip E1 FIG 10 47 2 Push the pressure gauge...

Page 40: ...50 FIG 10 51 FIG 10 52 F1 H1 10 5 8 Removing the overheat thermostat 1 Disconnect the overheat thermostat electrical connections I1 FIG 10 53 2 Then remove the ther mostat from its mounting b y relea...

Page 41: ...IG 10 57 FIG 10 58 FIG 10 59 J1 K1 10 5 11 Removing the D H W flow switch 1 Unplug the electrical connector J1 FIG 10 58 2 Unscrew the screws K1 FIG 10 59 3 Remove the D H W flow switch 6 5 12 Removin...

Page 42: ...ly to the boiler bef ore accessing the control panel Servicing Instructions 10 6 2 Removing the P C B 1 Isolate electricity 2 Remove the inspection co ver from the re verse of the control panel 3 Unpl...

Page 43: ...fault finding diag rams described in this chapter ensure these guides are carried out in the set order 11 1 Fault Finding Guide Flow charts To ensure that the external controls do not interfere with...

Page 44: ...44 Fault Finding...

Page 45: ...45 Fault Finding...

Page 46: ...46 Fault Finding 0 55mbar 23kW 0 90mbar 30kW 0 55mbar 23kW 0 90mbar 30kW...

Page 47: ...47 Fault Finding...

Page 48: ...37 30 29 33 31 32 96 101 100 33 50 98 96 99 95 92 89 91 91 97 85 86 88 87 116 115 112 117 58 113 60 61 75 59 58 57 125 126 124 56 56 74 72 73 70 62 68 64 66 67 56 63 70 70 65 70 56 69 123 23 50 53 52...

Page 49: ...ir pressure Switch 75 65100719 Fan 80 996065 Overheat Thermostat 81 65100521 Clip Overheat Stat 82 65100297 Cable Time Clock 83 999599 Time Clock 86 65100693 Ignition Electrode RH 87 65100694 Ignition...

Page 50: ...50...

Page 51: ...51...

Page 52: ...D H W Flow Rate T 35 C l min D H W Minimum Flow Rate l min Pressure of Domestic Hot Water max min bar Expansion Vessel Capacity l Expansion Vessel Pre load Pressure bar Maximum Water Content of System...

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