Ariston eco Genius 24MFFI Page 52 Installation Instructions Manual Download | Manualshive

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Key

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G.C. part

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ARISTON

Part No.

Description

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311
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164 225
164 338
E25 427
E25 429

378 814
E26 378
164 229
E26 819
E25 437

164 261

E26 657
E26 658
E25 518
164 230
164 282
379 079

E25 581

E24 077

Expansion vessel
Gasket 3/4"
Temperature probe (C.H.W.)
Motor (3-way valve)
Fixing clip (motor)
Flow group
Gas valve
Micro switch set (main flow & D.H.W.)
Return group
Manual vent cock
Safety valve 1/2" 3 bar)
Gasket 1/2"
Time clock
Pressure gauge
P.C.B. (display)
Gasket 1/4"
Electrode (ignition/detection)
Burner
Electrode cable (resistive)
Fan cable & sensor
Fan
Injector (G20)
O-ring gasket
Secondary exchanger (p-type 27kW)
O-ring (secondary exchanger)
Pump
Gasket 1"
Gasket 3/8"
Auto air vent
Condensate Trap
Cap (trap filling)
Gasket (airtight - condensate trap)
P.C.B. (main)
Main exchanger (aluminium)
D.H.W. actuator Kit
Heating pressure switch kit
Pressure cover
Central heating by-pass kit
D.H.W. pressure switch kit
Heating pressure switch kit
Pressure cover
3-way spring kit
Heating actuator bush

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E25 417

ecoGENUS - 24 MFFI

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Summary of Contents for eco Genius 24MFFI

Page 1: ...Installation Instructions Type C Boilers G C N 41 116 03 47 116 17 LEAVE THESE INSTRUCTIONS WITH THE END USER Condensing Country of destination GB 275...

Page 2: ...ATION 1 1 GENERAL INFORMATION Read the instructions and recommendations in these Installation Instructions carefully to ensure proper installation use and maintenance of the appliance Keep this manual...

Page 3: ...rk regs 1989 Installation should also comply with the following British Standard Codes of Practice 2 INSTALLATION 2 1 REFERENCE STANDARDS Low pressure pipes BS 6891 1988 Boilers of rated input not exc...

Page 4: ...ovision of an adequate flue and termination For unusual locations special procedures may be necessary BS 6798 1987 gives detailed guidance on this aspect A compartment used to enclose the appliance mu...

Page 5: ...size Pipes of a smaller size than the boiler inlet connection should not be used 5 275 In order to allow for access to the interior of the boiler for maintenance purposes the boiler must be installed...

Page 6: ...serted by at least 50 mm into a suitable acid resistant pipe e g plastic waste or overflow pipe The condensate discharge pipe must have a continuous fall and preferably be installed and terminated wit...

Page 7: ...ght occur on buildings in the vicinity In cold or humid weather water vapour may condense on leaving the flue terminal The effect of such steaming must be considered If the terminal is less than 2 met...

Page 8: ...the initials TA and connect the cables 5b To connect up the outdoor sensor insert the cables into the G clamp marked with the initials SE 6 Return the grommet E to its initial position then close bac...

Page 9: ...alve secondary pump 2 10 3 ACCESSORY CONNECTION TERMINAL BLOCK 2 10 2 REMOTE CONTROL CONNECTION Refer to the illustrations in section 2 10 1 1 Unscrew the screws A and rotate the control panel forward...

Page 10: ...t closed N I not inserted contact open NOTE it is essential that the operations involving setting of the jumpers be carried out only with the device turned off 10 275 The P C B is fitted with 2 fuses...

Page 11: ...put 4 Not connected C5 REMOTE CONTROL Bus Bus 1 Input output 1 2 Input output 2 C6 SENSOR CONNECTOR 1 Domestic hot water flow switch grey 2 Main circuit flow switch grey 3 Under floor heating thermost...

Page 12: ...lowly each draw off tap and close it only when clear water free of bubbles is visible GAS SUPPLY Inspect the entire installation including the gas meter test for soundness and purge all as described i...

Page 13: ...s loosened the system pressure is at least 1 bar on the pressure gauge 3 4 INITIAL START UP 3 2 REMOVING THE CASING To disassemble the front casing panel follow these steps 1 Unscrew the screws A 1 4...

Page 14: ...the room thermostat temperature sensor ON OFF Room thermostat not installed contact closed jumper Timer installed contact open or closed controlled by the timer settings entered by the user Timer not...

Page 15: ...ilding PROCEDURES AND PRACTICAL EXAMPLES If the building is always cold under all external temperature conditions and therefore in all seasons the steps to take are as follows The curve must be transl...

Page 16: ...is therefore possible to lower the temperature that the P C B calculates in relation to the values provided by the outdoor sensor by a quantity decided by the user for night time operation To do this...

Page 17: ...It is possible to set the ignition delay by adjusting the potentiometer with a screwdriver The values that may be selected range from 0 to 15 min The delay has been set at 15 minutes in the factory T...

Page 18: ...ctions accessed when the RESET button is pushed for 5 seconds The boiler is protected from malfunctioning by means of internal checks by the P C B which brings the boiler to a stop if necessary In the...

Page 19: ...system flow return temperature difference must be below 20 C In order for a successive attempt at ignition to be carried out the system must register that once every 2 hours the flow return temperatur...

Page 20: ...rry out the gas regulation in accordance with point 4 3 in keeping with the thermal power requested Domestic hot water Heating Domestic hot water Heating A B C 4 3 GAS REGULATION 4 3 2 REGULATION OF T...

Page 21: ...the value here Value from table l min Identify the volumetric rate of flow at the gas meter and compare it with that of the table Differences greater than 5 are not allowed contact the Authorised Serv...

Page 22: ...anically remove the residues Use of detergents soak the blades well allow the detergent to act for about 20 minutes rinse with a strong jet of water to remove the deposits the control panel must be ke...

Page 23: ...hot water system Place the boiler in operation If necessary release the air again from the heating system Check the settings and the correct functioning of all the control regulation and monitoring p...

Page 24: ...ater Side T 20 C mbar 200 Residual Head of System 60 80 C bar 0 2 Maximum Heating Pressure bar 3 Maximum Water Content in System l 130 Expansion Vessel Capacity l 7 Expansion Vessel Pre load Pressure...

Page 25: ...Servicing Instructions Type C Boilers G C N 41 116 03 47 116 17 LEAVE THESE INSTRUCTIONS WITH THE END USER Condensing Country of destination GB...

Page 26: ...s valve 1 5 ACCESS TO THE WATER CIRCUIT Removing the D H W secondary exchanger Removing the safety valve Removing the automatic air vent Removing the main circuit flow switch Removing the diverter val...

Page 27: ...and dismantle the front part of the casing proceed as follows 1 Unscrew screws A 1 4 turn only FIG 1 1 FIG 1 2 and rotate the control panel forward 2 Unscrew the screws B FIG 1 3 and unhook the front...

Page 28: ...panel away from the boiler then lift the panel up and away from the boiler 1 3 ACCESS TO THE COMBUSTION CHAMBER D FIG 1 5 D FIG 1 4 C C C C D D Removing the sealed chamber front cover 1 Remove the sc...

Page 29: ...n 1 Loosen nut E FIG 1 7 2 Pull off the hose F and disconnect the electrical connector G FIG 1 8 3 Remove the nuts H FIG 1 9 4 Pull the fan away from the exchanger FIG 1 10 FIG 1 10 E FIG 1 9 FIG 1 7...

Page 30: ...J I J Removing the electrodes 1 Pull off the ignition cable I FIG 1 12 2 Remove the two allen bolts J FIG 1 13 3 Extract the electodes FIG 1 14 FIG 1 12 FIG 1 11 FIG 1 14 Removing the combustion chamb...

Page 31: ...ollector FIG 1 17 2 Remove the nuts M from each side of rear of the collector FIG 1 18 3 Release the condesate trap union N FIG 1 19 4 Separate the collector from the combustion chamber FIG 1 20 5 Rem...

Page 32: ...Removing the injector See the section on removing the fan before carring out this procedure 1 Disconnect all connections from the fan and remove FIG 124 2 Remove the four screws P FIG 125 3 Unscrew t...

Page 33: ...9 FIG 1 26 FIG 1 27 Q...

Page 34: ...ng the gas valve 1 Disconnect the electrical connection R from the gas valve FIG 128 2 Release the top nut S FIG 1 29 3 Remove the screws T from the bottom of the gas valve pipe FIG 1 30 4 Remove the...

Page 35: ...screw U FIG 1 32 2 Remove the screw V FIG 1 33 3 Push the exchanger towards the rear of the boiler lift upwards and remove from the front of the boiler FIG 1 34 4 Before replacing the exchanger ensure...

Page 36: ...ove the main circuit flow switch FIG 1 37 FIG 1 38 FIG 1 40 X Y B1 Z A1 FIG 1 41 Removing the diverter valve actuator 1 Unplug the electrical connector Z FIG 1 41 2 Release the retaining clip A1 and r...

Page 37: ...13 Removing the pump 1 Unplug the electrical connection C1 FIG 1 44 2 Release the nut D1 FIG 1 45 3 Release the nut E1 FIG 1 46 4 Remove the pump FIG 1 47 E1 D1 C1 FIG 1 44 FIG 1 47 FIG 1 46 FIG 1 45...

Page 38: ...1 51 2 Loosen nut I1 and remove backnut J1 FIG 1 52 3 Remove the expansion vessel FIG 1 53 Removing the pressure gauge 1 Release coupling F1 FIG 1 48 2 Ease the pressure gauge G1 through the control...

Page 39: ...55 M1 FIG 1 56 Removing the C H flow temperature probe N T C 1 Remove the electrical connector M1 by pulling off Fig 1 56 2 Unscrew and remove the C H flow temperature probe N1 FIG 1 57 O1 P1 FIG 1 5...

Page 40: ...CCESS TO THE CONTROL SYSTEM Removing the time clock 1 Remove the inspection cover on the reverse of the control panel FIG 1 60 2 Lower the time clock door FIG 1 62 3 Unplug the electrical connection R...

Page 41: ...e T1 FIG 1 68 6 Unplug the electrical connectors U1 from the main P C B Fig 1 69 7 Remove the main P C B mounting screws V1 four in total FIG 1 70 8 Remove the main P C B FIG 1 71 9 Remove the display...

Page 42: ...18 W1 FIG 1 72 FIG 1 73 W1 W1 W1...

Page 43: ...n Flow temperature 50 C Flow temperature 40 C Flow temperature 50 C NO COMFORT OFF NO COMFORT OFF YES NO YES NO NO YES NO YES YES YES D H W IS BEING DRAWN D H W IS BEING DRAWN YES NO MUST THE TIME CLO...

Page 44: ...east 5 C below the one selected The C H flow temperature is lower than 80 C and the temperature of the cylinder is at least 5 C below the one selected ON green L E D on cylinder excluded ON green L E...

Page 45: ...ration 3 Check the pressure on the water gauge and fill system to 1 bar 1 Check pump cable 2 Check replace main P C B Release replace pump Push the RESET button POWER TO THE PUMP YES YES IS THE MAIN C...

Page 46: ...SPARKS ARE GENERATED REGULARLY YES NO NO YES YES NO 1 Check the power supply of the gas valve 2 Check for an air pressure signal 3 Check the gas pressure on the burner 4 Check the soft light adjustme...

Page 47: ...Flame detected with gas valve closed Error in the electrical connection live and neutral crossed Problem with the 50Hz power supply Flame detection electrode short circuited Heating return temperature...

Page 48: ...f the secondary output clasp connected to C7 positions 1 9 relates to a secondary pump optional If the contact remains open the output signal controls a zone valve optional JUMPER 6 not used JUMPER 7...

Page 49: ...hermostat grey 4 Heating flow sensor grey 5 Heating return sensor grey 6 Domestic hot water sensor grey 7 Not used jumper 8 Outdoor sensor grey 9 Domestic hot water flow switch grey 10 Main circuit fl...

Page 50: ...26 ecoGENUS 24 MFFI ecoGENUS 24 RFFI...

Page 51: ...100 28 45 37 37 102 11 10 9 7 8 7 81 81 80 17 15 23 25 24 22 16 18 78 79 20 84 83 16 17 86 84 85 19 21 14 8 13 12 77 66 57 65 58 64 57 107 108 106 105 104 103 94 96 93 91 90 76 3 3 6 8 7 92 58 60 61...

Page 52: ...Gasket 3 4 Temperature probe C H W Motor 3 way valve Fixing clip motor Flow group Gas valve Micro switch set main flow D H W Return group Manual vent cock Safety valve 1 2 3 bar Gasket 1 2 Time clock...

Page 53: ...2 31 29 96 97 37 34 98 29 46 38 38 100 25 26 21 24 21 21 22 80 79 80 83 82 8 16 15 67 58 66 59 65 58 105 106 104 103 102 101 92 94 89 88 86 76 3 3 6 8 87 59 61 62 69 7 74 72 64 75 68 71 73 70 3 3 3 3...

Page 54: ...379 079 E24 077 Expansion vessel Gasket 3 4 Temperature probe C H W Motor 3 Way valve Fixing clip motor Flow group Gas valve Gasket 1 2 Return group Manual vent cock Safety valve 1 2 3 bar Time clock...

Page 55: ...31...

Page 56: ...Italy Commercial subsidiary MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet http www mtsgb ltd uk E mail info mtsgb ltd uk Te...

Page 57: ...SPARE PARTS EXPLODED VIEW GAS WALL BOILERS Models ECOGENUS 24 RFFI SYS Edition 1 of 1 December 1999...

Page 58: ...67 58 66 59 65 58 105 106 104 103 102 101 92 94 89 88 86 76 3 3 6 8 87 59 61 62 69 7 74 72 64 75 68 71 73 70 3 3 3 3 93 60 60 60 84 95 99 9 7 8 7 19 17 18 20 18 19 7 7 78 10 11 13 14 85 90 91 12 77 8...

Page 59: ...998747 Control knob kit 30 998661 Door instruction time clock 31 997207 Time clock 32 998772 On off push button kit 33 998779 Control panel front 34 998751 Button reset 35 999073 Cover display 36 9987...

Page 60: ...792 Cap trap filling 89 998412 Pipe drain plastic 90 564254 Auto air vent 91 998459 Electrode cable resistive 92 998787 Condensate tray aluminium 93 998808 Gasket adhesive 10x5 mm 94 998784 Fixing nut...

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