Ariston microGENUS II 24 MFFI Скачать руководство пользователя страница 49 | Manualshive

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7.

FAULT FINDING

These fault finding guides are not exhaustive. However, it
is possible to detect and correct many defects by using
the standard fault finding diagrams described in this
chapter, ensure these guides are carried out in the set
order.

7.1

F

AULT

F

INDING

G

UIDE

(F

LOW

-

CHARTS

)

PRELIMINARY CHECKS

MAKE SURE THAT:

IS

THE POWER

DISPLAY

ON?

POSTION

OF THE

SELECTOR

NO

NO

NO

NO

CENTRAL

CENTRAL

HEA

HEATING

TING

ESTAT E

HOT WATER

ONLY

NO

NO

YES

YES

YES

YES

YES

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

TURN ON THE ON/OFF

SWITCH

IS D.H.W.

BEING DRAWN?

IS D.H.W.

BEING DRAWN?

FOR BOILERS

WITH ELECTRONIC

ANTI-FROST DEVICE:

PROTECTION IS ACTIVATED

IF HEATING TEMP

IS < 5

°

C

FOR BOILERS

WITH ELECTRONIC

ANTI-FROST DEVICE:

PROTECTION IS ACTIVATED

IF HEATING TEMP

IS < 5

°

C

MUST

TIME CLOCK

AND/OR ROOM

THERMOSTAT

BE ACTIVATED?

A

ECONOMY/

COMFORT

SELECTOR

TEMP.

C.H. < 42

°

C

Comfort

Comfort

Economy

Economy

1 - There is sufficient water in
the system
2 - The gas is turned on
3 - The electrical supply is
turned on

1 - Check/reset system
pressure
2 - Check/restore gas
supply
3 - Check/replace short-
circuited heating probe
4 - Check/replace siezed
pump

1 - Check/reset the
system pressure
2 - Check/restore
gas supply
3 - Check/replace short-
circuited heating probe
4 - Check/replace
siezed pump

TEMP.

C.H. < 42

°

C

ECONOMY/

COMFORT

SELECTOR

YES

YES

DOES AN ERROR CODE

APPEAR ON THE DISPLAY?

1. Check the fuses
2. Check the power supply to
the control panel
3. Check/replace the
ON/OFF button
4. Check the connection between
the main and display P.C.B.s

see section 3.6

5. Check/replace the
main and display P.C.B.s

To ensure that the external controls do
not interfere with the fault finding,
disconnect the wires from the terminal
block on the rear of the control panel and
provide a solid link between the
terminals.

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Содержание microGENUS II 24 MFFI

Страница 1: ...microGENUS II 31 MFFI Installation and Servicing Instructions Type C Boilers G C N 47 116 25 24kW G C N 47 116 26 28kW G C N 47 116 27 31kW LEAVE THESE INSTRUCTIONS WITH THE END USER Country of desti...

Страница 2: ...RONT PANEL PAGE 33 6 2 2 REMOVING THE SEALED CHAMBER FRONT PANEL PAGE 34 6 2 3 REMOVING THE SIDE PANELS PAGE 34 6 3 ACCESS TO THE COMBUSTION CHAMBER PAGE 35 6 3 1 REMOVING THE COMBUSTION CHAMBER PAGE...

Страница 3: ...connecting the appliance check that the information shown on the data plate and the table in section 9 comply with the electric water and gas mains of the property You will find the data plate on the...

Страница 4: ...on Panel 9 Burner 10 Detection Electrode 11 Ignition Electrodes 12 Motorised Valve 13 Domestic Hot Water Temperature Probe 14 Drain Valve 15 Low Water Pressure Switch 16 Secondary Heat Exchanger 17 Ga...

Страница 5: ...ions BS 4814 1990 Specification for expansion vessels BS 5482 1994 Installation of L P G I S 813 Domestic Gas Installations The appliance may be installed in any room or indoor area although particula...

Страница 6: ...of combustible material the wall must be protected by a sheet of fireproof material If the appliance is to be fitted into a timber framed building guidance should be sought from the Institute of Gas...

Страница 7: ...e should be made to the current I E E Regulations and applicable local regulations in Scotland the electrical provisions of the Building Regulations applicable in Scotland and for IE the current editi...

Страница 8: ...ater pipes Jointing should be either with capillary soldered or compression fittings Where possible pipes should have a gradient to ensure air is carried naturally to air release points and water flow...

Страница 9: ...n of I S 813 MAINS WATER FEED CENTRAL HEATING A method for initially filling the heating system is supplied with the connection kit The filling loop is connected between the cold water inlet and the c...

Страница 10: ...s less than 2 metres above a balcony above ground or above a flat roof to which people have access then a suitable terminal guard must be fitted When ordering a terminal guard quote the appliance mode...

Страница 11: ...e clamps seals and screws supplied FIGS 2 7 AND 2 9 secure the elbow to the boiler The 1 metre horizontal flue kit 705958 supplied is suitable for an exact X dimension of 823mm and the 750mm horizonta...

Страница 12: ...r lengths are required use extension pieces as necessary Under no circumstances must the flue be cut The wall must then be made good around the flue ensuring a fall of 1o is maintained away from the b...

Страница 13: ...ue kit must then be inserted through the roof flashing this will ensure that the correct clearance above the roof is provided as the terminal is a fixed height Should extensions be required they are a...

Страница 14: ...e extension piece fully into the previous section of flue pipe or elbow check that the o ring is not dislodged when assembling the flue Twin pipe can also be converted back to Coaxial flue to enable v...

Страница 15: ...itions TYPE 4 the maximum length is 60 metres 28kW 46 metres 28kW and 47 metres 31kW For runs with the terminals under different atmospheric conditions TYPE 5 the exhaust terminal must extend 0 5 metr...

Страница 16: ...T BE FITTED ABOVE THE EXHAUST FIG 2 21 NOTE DRAWINGS ARE INDICATIVE OF FLUEING OPTIONS ONLY FIG 2 20 TYPE 1 TYPE 5 TYPE 4 TYPE 3 TYPE 2 NOTE WHERE 280MM CENTRES CANNOT BE ACHEIVED THE EXHAUST TERMINAL...

Страница 17: ...5m Risk of Condensation Forming Coaxial Systems 60 100 NOT APPLICABLE NOT APPLICABLE Standard Twin Pipe After 5 m without a 43 mm restrictor 5 m without a 43 mm restrictor 5 m without a 43 mm restrict...

Страница 18: ...ot close when the fan runs E E9 99 9 More than 5 RESETS of the boiler in 15 minutes The Control Panel has a 3 digit display during normal operation the display will show one of three things on the two...

Страница 19: ...the terminal block on the reverse of the control panel 3 Insert the thermostat cable through the cable grommet and fasten it by means of the cable clamp provided 4 Connect the thermostat wires to the...

Страница 20: ...13 Air Pressure Switch A14 Overheat Thermostat A15 External Timer Room Thermostat A16 Central Heating Return NTC COLOURS Gy Grey Wh White Rd Red Br Brown Bl Blue Blk Black Pk Pink A Dip Switch 1 Do No...

Страница 21: ...Valve 11 Domestic Hot Water NTC 12 Secondary Heat Exchanger 13 Gas Valve 14 D H W Flow Switch 15 D H W Inlet Filter 16 Automatic By pass 17 Safety Valve 18 Pressure Gauge 19 Circulation Pump with Auto...

Страница 22: ...Open slowly each draw off tap and close them only when clear water free of bubbles is visible GAS SUPPLY Inspect the entire installation including the gas meter and test for soundness The entire inst...

Страница 23: ...Ensure that the gas cock is closed Make sure that the electrical connection has been made properly and that the earth wire is connected to an efficient earthing system Supply power to the boiler by tu...

Страница 24: ...he boiler can be returned to normal operation sooner by switching the boiler off and on again 3 4 COMBUSTION ANALYSIS 3 5 PRODUCT OF COMBUSTION DISCHARGE MONITORING FU008A FU009A The boiler is protect...

Страница 25: ...e the boiler will automatically try to reset itself and relight Should this not be the case contact an authorised Service Centre for assistance 1 2 3 4 5 6 1 2 3 4 5 6 E C II DISPLAY CAUSE E E0 02 2 I...

Страница 26: ...STEM Whenever there is the danger of the temperature dropping below the freezing point the domestic hot water system must be drained as follows Turn off the general water valve for the household plumb...

Страница 27: ...in m3 h Consumption 15 C 1013mbar max min Kg h Gas Burner Pressure max min mbar The boiler can be converted to use either methane natural gas G20 or L P G G30 G31 by an Authorised Service Centre The o...

Страница 28: ...as valve or from the sealed chamber 4 Turn the On Off knob to ON position green light and ensure that the hot water temperature control knob is set to maximum Turn on the boiler by running a hot water...

Страница 29: ...31 9 Turn off the boiler by placing the main switch to the OFF position Setting the pressure for soft light ignition Disconnect the detection electrode connection close to the P C B SECTION 6 3 3 Star...

Страница 30: ...GENUS II 31 MFFI NATURAL GAS G20 kW 10 12 14 16 18 20 22 24 mbar 2 5 3 3 75 4 75 5 75 7 8 10 LIQUID GAS G30 kW 10 12 14 16 18 20 22 24 mbar 5 5 8 10 12 5 15 5 18 5 22 26 LIQUID GAS G31 kW 10 12 14 16...

Страница 31: ...0 Regulating the heating power for propane gas G31 34 34 36 36 38 38 40 40 modello 24 modello 28 modello 31 modello 24 modello 28 modello 31 modello 24 modello 28 modello 31 Burner pressure Burner pre...

Страница 32: ...k for overheating in the blade assembly clean the exhaust fan if needed 8 Adjustment of the gas pressure gas rate and soft light partial load and full load 9 Check of the heating safety systems safety...

Страница 33: ...ACEMENT OF PARTS 6 2 TO GAIN GENERAL ACCESS All testing and maintenance operations on the boiler require the control panel to be lowered This will also require the removal of the casing 6 2 1 Removing...

Страница 34: ...ed chamber front cover from the locating pins FIG 6 6 FIG 6 5 C C FIG 6 6 6 2 3 Removing the side panels 1 Remove the four screws D for each side panel FIG 6 7 2 Pull the panel away from the boiler at...

Страница 35: ...H FIG 6 14 4 Gently slide the electrode downward FIG 6 15 FIG 6 12 G FIG 6 13 6 3 2 Removing the burner and jets 1 Remove the screws F from the burner FIG 6 10 2 Remove the burner FIG 6 11 3 Disconnec...

Страница 36: ...heck that the cables have been connected correctly d Check that the rubber gasket seals the cable electrode connection point completely FIG 6 14 FIG 6 15 H 1 Drain the boiler of water 2 Remove the sid...

Страница 37: ...r connection points FIG 6 21 2 Remove screws O on the top of the sealed chamber FIG 6 22 3 Lift out the air pressure switch FIG 6 23 4 Unscrew to remove the switch from the plate 6 3 5 Removing the ai...

Страница 38: ...ounting plate FIG 6 27 6 3 6 Removing the fan FIG 6 26 S S S FIG 6 25 R FIG 6 24 P P Q FIG 6 27 6 4 1 Removing the spark generator HONEYWELL Gas Valve 1 Disconnect ignition leads T by pulling upward F...

Страница 39: ...remove out of the front of the boiler FIG 6 37 5 Before replacing the exchanger ensure that the O rings are in good condition and replace if necessary 6 5 ACCESS TO THE WATER CIRCUIT FIG 6 34 X X FIG...

Страница 40: ...G 6 37 6 5 2 Removing the pump pressure switch 1 Remove the pump pressure switch electrical connections Z FIG 6 38 2 Unscrew the pump pressure switch by using a spanner on the nut FIG 6 39 3 Remove th...

Страница 41: ...lete with float using a screwdriver FIG 6 45 FIG 6 46 FIG 6 44 FIG 6 45 FIG 6 46 6 5 3 Removing the safety valve 1 Disconnect the discharge pipe work from below the boiler 2 Unscrew the fixing screw A...

Страница 42: ...etaining clip E1 from the bottom of the boiler FIG 6 49 4 Remove the screw F1 FIG 6 50 5 Remove the U clip G1 and remove the pressure gauge connection FIG 6 51 6 Remove the U clip H1 and remove the au...

Страница 43: ...ut K1 FIG 6 57 3 Remove the expansion vessel FIG 6 58 6 5 6 Removing the pressure gauge 1 Remove the U clip I1 FIG 6 53 2 Lift the pressure gauge from the rear of the control panel using a screwdriver...

Страница 44: ...onnections L1 FIG 6 59 2 Then remove the thermostat from its mounting by releasing the securing clip FIG 6 60 6 61 6 5 9 Removing the C H temperature probe N T C 1 Pull off the electrical connector an...

Страница 45: ...wdriver FIG 6 67 6 68 6 5 10 Removing the D H W temperature sensor N T C 1 Pull off the electrical connector and unscrew the sensor probe using a suitable spanner FIG 6 64 FIG 6 64 6 5 11 Removing the...

Страница 46: ...e fuses 1 Remove the inspection cover on the reverse of the control panel and unscrew the screws P1 FIG 6 69 2 Remove the fuses FIG 6 70 FIG 6 69 FIG 6 70 Important Isolate the electrical supply to th...

Страница 47: ...Remove the screws S1 FIG 6 74 6 Separate the facia panel from the rear of the control panel 7 Remove the main P C B unscrew the screws T1 FIG 6 75 8 Unscew the display P C B mounting screws T2 and di...

Страница 48: ...3 Removing the time clock 1 Disconnect the electrical connections U1 from the clock FIG 6 78 2 Remove screws V1 FIG 6 78 3 Lift the time clock out from the control panel FIG 6 79 FIG 6 78 FIG 6 79 U1...

Страница 49: ...T TIME CLOCK AND OR ROOM THERMOSTAT BE ACTIVATED A ECONOMY COMFORT SELECTOR TEMP C H 42 C Comfort Comfort Economy Economy 1 There is sufficient water in the system 2 The gas is turned on 3 The electri...

Страница 50: ...flow switch operation 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 Turn the ON OFF Control Knob POWER TO THE PUM...

Страница 51: ...ERATED REGULARLY YES YES NO NO NO NO YES YES YES YES NO 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 ad...

Страница 52: ...5 8 9 10 9 10 73 74 72 72 75 22 19 20 18 14 23 21 13 25 28 30 30 31 26 12 11 14 16 64 63 7 53 59 55 57 58 47 54 7 56 7 47 60 7 81 82 49 32 36 41 45 46 24 14 88 91 67 65 66 66 105 105 106 100 17 42 43...

Страница 53: ...et 1 4 Low water pressure switch Temperature probe D H W Return group 24 MFFI Return group 28 31 MFFI Pump 24 MFFI Pump 28 31 MFFI Clock Pressure gauge Air pressure switch 28 31 MFFI Air pressure swit...

Страница 54: ...n 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 Domestic Hot Water Nominal Pressure Natural Gas G20 mbar LPG G30 G31 mbar Consumption at Nominal...

Страница 55: ...ral Heating Domestic Hot Water Temperature approx max min C Specific Flow Rate 10 minutes DT 30 C l min D H W Flow Rate T 25 C l min D H W Flow Rate T 35 C l min D H W Minimum Flow Rate l min Pressure...

Страница 56: ...art Bucks HP13 5FT Dublin 15 Telephone 01494 755600 Telephone 01 810 3723 Fax 01494 459775 Fax 01 810 3727 Internet www mtsgroup com uk Internet www mtsgroup com ie E mail info uk mtsgroup com E mail...

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