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Ferroli DOMIcompact F 24 B Скачать руководство пользователя страница 24

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Ferroli F 24 B

3. SERVICE AND MAINTENANCE

3.1 Adjustments

All adjustment and conversion operations must be carried out by Qualified Personnel such as
the Ferroli Technical Service.
FERROLI declines any responsibility for damage or physical injury caused by unqualified and unauthorized
persons tampering with the device.

Adjusting the pressure and fl ow rate to the main burner

This boiler operates on the flame modulation principle. It has two fixed pressure values, minimum and
maximum, which must be as shown in the table 10, whichever type of gas is used.

Note - Because correct minimum and maximum pressures are critical to the efficient operation
of the boiler it is ESSENTIAL that the following adjustments are carried out by COMPETENT
personnel ONLY.

Adjusting minimum and maximum pressure Honeywell V K4105G gas valve

-  Connect suitable pressure gauge to burner test point “B” downstream of the gas valve.
-  Disconnect the pressure compensation tube «F».
-  Remove the protective cap «C».
-  Adjust potentiometre P3 (on the main board) at

minimum (clockwise).

- Operate boiler for central heating
- Adjust minimum pressure by rotating screw «D»

clockwise toreduce pressure and anticlockwise
to increase pressure.

- Adjust potentiometre P3 at maximum (anti-

clockwise)

- Adjust max pressure by rotating screw «E»,

clockwise to increase pressure and anticlockwise
to reduce pressure.

- Reconnect the pressure compensation tube

«F».

- Replace protective cap «C».

IN

OUT

C

F

E

B

A

D

Key

A =

Gas inlet test point

B =

Gas outlet test point

C =

Protection cup

D =

Min. pressure adjusting screw

E =

Max. pressure adjusting screw

F =

Balancing tube

Fig. 15

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Содержание DOMIcompact F 24 B

Страница 1: ...wall mounted gas fired condensing combination boiler FERROLI F 24 B cod 3540B29 1 04 2005 Seasonal Efficiency SEDBUK band B INSTRUCTIONS FOR USE INSTALLATION AND MAINTENANCE ...

Страница 2: ...pliance Do not attempt to repair or carry out any other operation on the appliance directly Contact Ferroli or a qualified engineer only Repairs or the replacement of components must be carried out exclusively by qualified personnel using original spare parts only Failure to adhere to the above may compromise the safety of the appliance To guarantee efficient operation the appliance must be servic...

Страница 3: ...nnections 12 2 4 Connection to the gas system 14 2 5 Electrical Connections 14 2 6 Flue system 15 2 7 Condensate outlet connection 22 3 SERVICE AND MAINTENANCE 24 3 1 Adjustments 24 3 2 Initial start up 26 3 3 Maintenance 27 3 4 Troubleshooting 29 4 TECHNICAL CHARACTERISTICS AND DATA 33 4 1 Dimensions and connections 33 4 2 General view and main components 34 4 3 Hydraulic diagram 35 4 4 Technical...

Страница 4: ...om sealed from the installation room the air needed for combustion is drawn from outside The boiler also includes a fan modulating gas valve pump expansion vessel flow meter safety valve flow sensor temperature sensors a safety thermostat and a low pressure sensor Thanks to the microprocessor control and adjustment system with advanced self diagnosis unit ope ration is for the most part automatic ...

Страница 5: ...c electronic ignition so there is no pilot to worry about Pull down cover to reveal control facia panel KEY DESCRIPTION A Switch OFF ON RESET B Central heating flow temperature regulation C D H W temperature regulation D Water pressure gauge E Time clock bar R E S E T O F F ON 0 5 1 2 3 4 6 bar A B C D C C E Burner on indicator Boiler shut down warning Domestic hot water circuit on Central heating...

Страница 6: ...r lights and heats the system water to the set system setpoint temperature The burner shuts down when the desired temperature in the rooms is reached A room thermostat is a mandatory requirment building regulations Doc L 2002 C H temperature adjustment To set the system flow temperature use the C H control knob B fig 1 Turning it clockwise increases the temperature turning it anticlockwise decreas...

Страница 7: ... is turned on For this reason we recommend that the electricity to the boiler is left turned on If you wish to turn off the electricity to the boiler in winter you should drain completely the heating and hot water circuits 1 5 Maintenance It is strongly recommended to carry out annual maintenance on the boiler and the heating system Please refer to the maintenance section in this manual The casing...

Страница 8: ...eg 6 00 Display 2 1 Use buttons and to set OFF time eg 9 00 Display 3 1 Use button and to set 2nd ON time eg 12 30 Display 4 1 Use button and to set 2nd OFF time eg 14 00 Display 5 1 Use button and to set 3rd ON time eg 16 00 Display 6 1 Use button and to set 3rd OFF time eg 23 30 Display 8 On completion of programming slide switch A to Auto position thetimeofdaywillbedisplayedandthecentralheating...

Страница 9: ...damage or physical injury for which the manufacturer declines any responsibility This appliance must be installed strictly in accordance with these instructions and regulations The Gas Safety Regulations Installations Use The Local Building Regulations The Building Regulations Part L The Buildings Standards Scotland Consolidated Regulations British Standards Codes of Practice B S 5440 Part 1 Flues...

Страница 10: ...n a solid wall The wall fixing must ensure a stable and effective support for the appliance using the bracket and fixings supplied If the unit is enclosed in cupboard or mounted alongside there must be space for normal maintenance work Fig 2 and tab 1 give the minimum clearances to leave around the unit Drilling Template Top Flue Application Select suitable mounting position for boiler using the t...

Страница 11: ...temporary filling loop is shown in fig 5 Ensure the filling point is on the return pipe to the boiler Attention is drawn to the Model Water Byelaws Fittings manufactured from duplex alpha beta brass are not acceptable for underground use and certain water undertakings will not accept their use above ground Ensure all pipework is adequately supported NOTE An automatic bypass must be fitted as far a...

Страница 12: ...uld affect the unit s good working BS 7593 Building regs Doc L Make the connections to the appliance as shown in fig 6 Key 1 System flow 22 mm with isolation valve fitted 2 DHW outlet 15 mm with isolation valve fitted 3 Gas inlet 22 mm with isolation valve fitted 4 Cold main inlet 15 mm with isolation valve fitted 5 System return 22 mm with isolation valve fitted c w filter 6 System drain 7 Conden...

Страница 13: ...ent products which must be used in accordance with the manufactures instructions for further information contact Feronx Manufacturing Co LTD Tandern house Marlowe Way Croydon surrey CRO 4YS Tel 0870 5601 5000 Sentinel Division Betz Dearborn LTD Widnes Cheshire WA8 8ND Tel 0151 424 5351 Note Whentheboilerisinstalledwithanexistingornewsystemanyunsuitableadditivesorsystemdebris must be removed by tho...

Страница 14: ...be installed in conformity with current national and local regulations Connection to the electrical grid The boiler must be connected to a single phase 230 Volt 50 Hz electric line The unit s electrical safety is only guaranteed when correctly connected to an efficient earthing system executed according to current safety standards Have the efficiency and suitability of the earthing system checked ...

Страница 15: ...nstructions A given in fig 8a to access the electrical connection terminal board B fig 8b The layout of the terminals for the various connections is given in the wiring diagram in the Technical Data chapter B fig 8a fig 8b A 2 6 Flue system The unit is type C with a sealed chamber and forced draught the air inlet and flue outlet must be connected to one of the following flue systems With the aid o...

Страница 16: ... air and flue pipes in metres cap 3 04 2 utilise the table shown below to choose the more suitable restrictor for the flow resistance calculated RESTRICTOR FOR TWO PIPE SYSTEM Total flow resistance of flue system Use restrictor size minimum maximum mm 0 m 20 m 43 20 m 55 m No restrictor RESTRICTOR FOR CONCENTRIC SYSTEM Flue lenght up to Use restrictor size Concentric 60 100 1 bend 1 meter 43 mm 1 ...

Страница 17: ... 3 mm per metre should be incorporated 3 Make a hole of diameter 10 20 mm greater than the nominal diameter of the concentric pipe used 4 If necessary cut the end pipe to size ensuring that the external pipe protrudes from the wall by between 10 and 60 mm Fig 10a and 10b Remove the cutting burrs between 10 and 60 mm Drill the wall 10 20 mm more than the pipe diameter 010008X0 between 10 and 60 mm ...

Страница 18: ...res 80 125 Roof end piece 1KWMA83U 68 950 50 50 950 50 1000 125 10 Reduction factors for bends Concentric bend at 90 Ø 60 100 mm Concentric bend at 45 Ø 60 100 mm Concentric bend at 90 Ø 80 125 mm Concentric bend at 45 Ø 80 125 mm 1 m 0 5 m 0 5 m 0 25 m Table 2b Maximum permissible duct length Horizontal Ø mm 60 100 3 m 12 m Ø mm 80 125 Table 2a Maximum permissible duct length vertical 4 m 12 m 5 ...

Страница 19: ... component tables 4 5 provide an equivalent loss in metres depending on the position of installation of the component with air intake or flue extraction vertical or horizontal The loss is called equivalent length since it is compared to the loss of one metre of flue defined as equal to 1 For example a bend at 90 of Ø80 in flue run has an equivalent loss of 2 5 linear metres i e it has a loss equal...

Страница 20: ...mm male female Description Horozontial flue terminal Horozontial air terminal Vertical flue terminal 1 1 1 6 2 1 2 1 8 1 5 2 0 Equivalent losses in metres linear 5 2 Air Flue Vertical Horizontal Vertical Horizontal Equivalent losses in metres linear 12 Accessories Ø 80 Accessories Ø 80 Table 4 Table 5 The stated loss values refer to genuine Ferroli flue accessories Terminal Position P D E Q Q l B ...

Страница 21: ... a terminal on the same wall From an opening in the car port e g door window into the dwelling Above ground roof or balcony level 300mm 300mm 300mm 200mm 75mm 200mm 150mm 100mm 300mm 600mm 300mm 300mm 150mm 1200mm 1200mm 1500mm N A Aa Ba Ca D E F G H I J K L M N O P Q NOTE N A Not applicable In addition the terminal should not be nearer than 150mm fanned draugt or 300mm natural draugt to an openin...

Страница 22: ...issible with a vertical progression and with no constrictions Have the ducts conveying the hot fumes adequately distanced or isolated from combustible materials Be connected to just one unit per floor for at most 6 units in all 8 if there is a compensation duct or opening Have no mechanical suction devices in the main ducts Be at a lower pressure all along their length under conditions of stationa...

Страница 23: ...n outside see below drawing Any external run is subjet to freezing in severe weather conditions To avoid this the pipework should be installed to dispose of the condensate quickly with as much as possible run internally before passing through the wall Pipework external to the building should be increased in diameter to 32 or 40 mm solvent weld It should be run to a external drain or soakaway with ...

Страница 24: ...wing adjustments are carried out by COMPETENT personnel ONLY Adjusting minimum and maximum pressure Honeywell V K4105G gas valve Connect suitable pressure gauge to burner test point B downstream of the gas valve Disconnect the pressure compensation tube F Remove the protective cap C Adjust potentiometre P3 on the main board at minimum clockwise Operate boiler for central heating Adjust minimum pre...

Страница 25: ... maximum of 85 C However we recommend not operating the boiler below 50 C Adjusting room temperature when a room thermostat is fitted Room temperature is controlled by positioning the room thermostat knob to the required value The thermostat automatically controls the boiler temporarily interrupting the electrical supply subject to the room heat requirements Adjusting the central heating flow t by...

Страница 26: ...er starts to function automatically controlled by its control and safety devices If the latter is chosen domestic hot water production only position the knob B fig 1 on the Summer position In this mode the boiler is ready to operate automatically whenever domestic hot water is drawn off Note If after completing the start up procedure correctly the burners fail to ignite and the boiler shut down wa...

Страница 27: ... production phase Determine the combustion efficiency and the composition of the flue gases If any of the above are not correct refer to Technical Data Adjustment and Fault finding 3 3 Maintenance The following operations are strictly reserved for Qualified Personnel such as corgi registered engineers or Ferroli personeer Annual Servicing The following should be checked at least once a year Water ...

Страница 28: ...they will need to be adjusted on the gas valve 10 Take off the combustion chamber cover by removing the three securing screws 11 Lift off flue hood and flue baffle plate 12 Pull off the ignition and flame rectification leads from their respective electrodes 13 Undo the gas union in the centre of burner rail and take out the two securing screws Remove the burner rail and clean rail and injectors 14...

Страница 29: ...15 min 6 Wait 10 minutes for the boiler to stabilize 7 Take the measurement fig 17 3 4 Troubleshooting Before beginning any fault finding ensure that gas water and electricity are available WARNING DO NOT link any terminals on block X10 or X11 as this will damage the PCB beyond repair Operating Sequence With the power established the boiler is in its stand by mode i e power on but no demand The op...

Страница 30: ...e minute central heating delay Limit thermostats T Stat Location Function Nominal Operat ing Temperature Circuit Wiring Colours Flue gas safety thermostat Secondary heater Exchanger Protect boiler by stopping ignition and cuts power to gas valve 100 C 240V AC Grey Grey Frost Incorporated in C H Sensor Fires the boiler and runs pump to maintain minimum water temperature 7 C 14 C Low voltage DC Red ...

Страница 31: ... refit the link wire see fig 22 Boiler will not light for D H W or C H The fault is likely to be a component common to both services Open a hot tap to create a demand is there a spark at the ignition electrode Yes Suspect gas supply pressure or gas valve No Is fan running Yes Suspect air pressure switch or overheat stat if boiler locks out without sparking go to overheat stat No Is low water press...

Страница 32: ... switch Operating at 230 V AC and situated next to the fan Different coloured tubes connect the switch to the fan It is a make on pressure switch and only uses two terminals the middle terminal is not used Short spares list KEY NO from fig 19 DESCRIPTION PART NO G C NO 14 Safety Valve C W Manifold 805880 E39 485 16 Fan assembly 800480 E23 851 34 Central Heating Flow Temperature Sensor 800320 E23 8...

Страница 33: ...18 Top view Bottom view 1 2 3 4 5 Key 1 System flow 22 mm with isolation valve fitted 2 DHW outlet 15 mm with isolation valve fitted 3 Gas inlet 22 mm with isolation valve fitted 4 Cold main inlet 15 mm with isolation valve fitted 5 System return 22 mm with isolation valve fitted c w filter ...

Страница 34: ...19 Combustion chamber 21 Gas injector 22 Ceramic burner 26 Combustion chamber insulation 27 Copper heat exchanger for c h d h w 32 Heating pump 34 Heating flow sensor 42 D h w temperature sensor 43 Air pressure switch 44 Gas valve 49 Safety thermostat 56 Expansion vessel 81 Sparkelektrode 82 Ionisationelektrode 114 Water pressure switch 126 Flue gas safety thermostat 132 Flue gas deflector 136 Flo...

Страница 35: ...tlet 9 Cold main inlet 10 CH flow 11 CH return 14 Heating safety valve 16 Fan 32 Heating pump 34 Flow temperature sensor 42 D h w temperature sensor 43 Air pressure switch 44 Gas valve 49 Safety thermostat 56 Expansion vessel 81 Sparkelektrode 82 Ionisationelektrode 114 Water pressure switch 126 Flue gas safety thermostat 136 Flow meter 277 Secondary heater exchanger ...

Страница 36: ... packing kg Gas system connection mm Heating system connections mm Hot water circuit connections mm Maximum length of separate flues D 80 meq Measurement given in equivalent linear metres cfr FERROLI calculation system Electrical power supply Max electrical power absorbed W 30 85 90 3 0 8 8 1 2 0 13 8 11 5 9 8 40 55 9 0 25 760 460 272 41 1 2 3 4 1 2 55 135 Powers Hi Heating power Pmax Pmin kW 25 5...

Страница 37: ...37 Ferroli F 24 B 4 5 Diagrams Head available for the system Fig 21 0 0 1 2 3 4 5 6 7 500 1 000 1 500 2 000 Q l h H m H2O 3 2 1 A Circulator speed 3 2 1 A Boiler losses of head ...

Страница 38: ...OSTAT TERMINALS WILL IRREPARABLY DAMAGE THE ELECTRONIC BOARD 81 Ignition electrode 82 Sensor electrode 98 Off On Reset switch 114 Low water pressure switch 126 Flue gas safety thermostat 136 Flow meter 4 6 Wiring diagram X6 X1 X2 X3 X4 1 2 1 2 1 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 2 1 X5 TEST X12 1 2 1 2 3 4 5 6 7 8 9 X10 W O V R X8 X7 81 82 MF03F 1 JP02 JP01 JP03 Nat LPG X11 230V...

Страница 39: ...39 Ferroli F 24 B ...

Страница 40: ...TED FOR THE DOMESTIC HOT WATER MODE MEASURE RECORD GAS RATE ft3 hr MAXIMUM BURNER OPERATING PRESSURE IF APPLICABLE mbar COLD WATER INLET TEMPERATURE C HOT WATER OUTLET TEMPERATURE C WATER FLOW RATE lts min FOR CONDENSING BOILERS ONLY CONFIRM THE FOLLOWING THE CONDENSATE DRAIN HAS BEEN INSTALLED IN ACCORDANCE WITH THE MANUFACTURER S INSTRUCTIONS YES FOR ALL INSTALLATIONS CONFIRM THE FOLLOWING THE H...

Страница 41: ...NTS SIGNATURE SERVICE 3 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 4 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 5 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 6 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 7 DATE ENG...

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Страница 44: ...nt Staffordshire DE14 3HD Tel 08707 282 885 Fax 08707 282 886 ALL SPECIFICATIONS SUBJECT TO CHANGE Please note to avoid incurring unnecessary expense in the event of a boiler shut down check this in not caused by lack of electricity supply gas supply or low water pressure before calling our Customer Service Helpline Should you require help with any difficulties call our Technical Service Helpline ...

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