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ARENA 30 C

Heating

outlet

Domestic

hot water

outlet

Gas

inlet

Domestic

hot water

inlet

Heating

inlet

Air

inlet

Flue gas

outlet

191

136

186

188

216

114

Condensation

discharge

221

179

194

179

Key

Safety valve

Fan

Main burner assembly

Heating pump

Heating temperature sensor

Domestic hot water temperature sensor

Gas valve

Safety thermostat

Expansion vessel

Detection electrode

114

Water pressure switch

136

Flow-meter

179

Non-return valve

186

Return sensor

188

Ignition electrode

191

Flue gas temperature sensor

194

Domestic hot water heat exchanger

216

Domestic hot water pump

221

Bypass cock

Hydraulic diagram

Fig. 3

Содержание ARENA 30 C

Страница 1: ...ARENA 30 C WALL HUNG PRE MIX GAS FIRED CONDENSING BOILER INSTALLATION AND OPERATING INSTRUCTIONS Appr nr B99 14 A CE 0063 BL 3475 cod 3543643 1 ediz 04 2002 ...

Страница 2: ...e user If the appliance is sold or transferred to another owner or if the owner moves leaving the appli ance behind always ensure that the manual is kept with the appliance for consultation by the new owner and or installer Incorrect installation or poor maintenance ab solves the manufacturer from all liability for dam age to people or things Installation and maintenance must be carried out i conf...

Страница 3: ...be 16 2 10 Flues 17 2 11 Connection to concentric pipes 17 2 12 Connection to separate pipes 19 2 13 Table of losses for piping and accessories 20 2 14 Terminal Position 23 3 SERVICE AND MAINTENANCE 24 3 1 Settings 24 3 2 Commissioning and testing 27 3 3 Maintenance 28 3 4 Replacement of parts 32 3 5 Troubleshooting 36 4 OPERATING INSTRUCTIONS 39 4 1 Operation and controls 39 4 2 Boiler control pa...

Страница 4: ...ntees high reliability and constant operation over time The combustion circuit and the air intake are sealed from the installation environment The boiler is fitted with a variable speed fan and built in modulating gas valve connected directly to the outside The boiler control and regulation system is microprocessor based with advanced self diagnostics The user interface made up of a keypad and dis...

Страница 5: ... 95 44 108 50 68 1 2 3 4 5 6 8 9 7 1 2 Structural charateristics Dimensions and connections Key 1 Heating outlet 2 Domestic hot water outlet 3 Gas inlet 4 Domestic hot water inlet 5 Heating return 6 Drain cock 7 Safety valve 8 Flue gas outlet 9 Air inlet Fig 1 ...

Страница 6: ...ety thermostat 56 Expansion vessel 69 Flue gas outlet pipe 70 Air intake pipe 114 Water pressure switch 136 Flow meter 151 System drain cock 161 Condensing heat exchanger 179 Non return valve 186 Return sensor 191 Flue gas temperature sensor 194 Domestic hot water heat exchanger 213 Flexible inlet air pipe coupling 214 Flue gas outlet reducer 215 Air inlet reducer 216 Domestic hot water pump 217 B...

Страница 7: ...lve 16 Fan 22 Main burner assembly 32 Heating pump 34 Heating temperature sensor 42 Domestic hot water temperature sensor 44 Gas valve 49 Safety thermostat 56 Expansion vessel 82 Detection electrode 114 Water pressure switch 136 Flow meter 179 Non return valve 186 Return sensor 188 Ignition electrode 191 Flue gas temperature sensor 194 Domestic hot water heat exchanger 216 Domestic hot water pump ...

Страница 8: ...0 meq Values expressed in equivalent air metres refer to FERROLI calculation system Electrical power supply Max Electrical Power Consumption W Pump electrical power consumption Speed I II III W Power supply voltage frequency V Hz 85 3 0 8 12 1 11 8 17 5 14 6 12 5 40 65 6 0 25 760 460 368 55 1 2 3 4 1 2 15x20 100 150 48 67 93 230 50 Power Heat rate Hi Heat rate Hs Natural Gas rate G20 Natural gas s...

Страница 9: ... 6 0 III I I 0 0 1 0 2 0 3 0 4 0 5 0 0 0 5 1 1 5 2 2 5 3 Q m3 h 3 5 4 H m C A 1 4 Diagrams Heating pump head Loss of boiler pressure Fig 4 Fig 5 6 0 4 1 5 2 2 5 3 3 5 Q m3 h 1 0 2 0 3 0 4 0 5 0 1 0 0 0 0 5 H m C A ...

Страница 10: ...50Hz Low voltage Eco Comfort selection 12 1 DHW disable switch Key 16 Fan 32 Central heating pump 34 C H flow temperature sensor 42 D H W temperature sensor 49 Overheat cut off thermostat 72 Room thermostat not fitted 82 Ionisation electrode 83 Full sequence automatic control 98 Switch 101 Main P C B 114 Water pressure switch 136 Flowmeter 138 Outside temperature sensor 139 Room unit not fitted 17...

Страница 11: ...called sealed appliances 2 2 Positioning and wall mounting The installation of the ARENA must be on a suitable non combustible load bearing wall which will provide an adequate fixing for the boiler mounting bracket assembly The loca tion should be in an area where the water pipes will not be subjected to frost conditions In siting the combination boiler the following limitations must be observed T...

Страница 12: ...spirit level check that the lower bracket is perfectly horizontal Temporarily fasten the drilling template to the wall using some adesive tape Trace the fastening points A Drill two 10 mm holes 90 mm deep to accept the wall plugs fit wall plugs Fit two special wall plugs on the wall as described in the fig 7c Fasten the wall bracket to the wall using an antitheft nut on the right side and a standa...

Страница 13: ...n in BS6798 BS5449 BS6700 and CP342 Part 2 Pipework not forming part of the useful heating surface should be insulated to prevent any heat losses or possible freezing i e in roof spaces or ventilated underfloor spaces Drain taps should be positioned at the lowest point of the system in accessible locations to permit the whole system to be drained down The drain taps should be in accordance with BS...

Страница 14: ...BS6981 1988 All pipeworkmustbeadequatelysupported Anisolatinggasvalveisprovidedandshouldbefittedontheboiler gas inlet Please wait 10 minutes when lighting from cold before checking gas rate Gas pressures should be checked after the boiler has operated for 10 minutes to reach thermal equilibrium 2 6 Condensation discharge connection Theboilermustbeconnectedtothecondensationdischargesiphon supplieda...

Страница 15: ...tside compensation temperature mode depending on the compensation curve settled ref 4 11 If none probe is connected the boiler works in standard mode and setting of a compensation curve parameter 9 of menu is ignored by the control system Remotecontrol 9 10 forremotecontrolandregu lation of the boiler with weekly chronothermostat and climatic regulation functions To make these connections unscrew ...

Страница 16: ...he early morning sun and in general and where possible must not receive direct sunlight if necessary it should be shielded The probe must not in any case be fitted near windows doors ventilation openings flues or sources of heat which may alter the reading Note The maximum length allowed for the electrical cable connecting the boiler to the external probe is 50 m A common two lead cable can also b...

Страница 17: ...entric kit is available for discharge using 80 125 concentric pipes The total length in linear metres of the concentric pipes must not exceed the maximum length indicated in the first table below The second table shows the reductions to be used for any bends in the pipes excluding the initial one For installation connect the concentric kit directly to two diameter 80 bell shaped reducers in the bo...

Страница 18: ... a slope towards the boiler of at least 3 mm m to allow the condensation which forms in the flues to flow back to the boiler and avoid external dripping The concentric pipes should be sealed with the relative pipe coupling seal at the points of coupling to the wall The external piping must protrude from the wall between 10 and 60 mm Fig 15 Fig 14 Fig 15 3 60 110 142 ...

Страница 19: ...uivalent to 2 5 air metres that is equal to 2 5 linear metres of air intake pipe 2 Once having completely defined the layout of the double flue system add the losses in equivalent metres according to the position of installation of all the components and accessories in the system 3 Checkthatthetotallosscalculatedislessthanorequalto100equivalentmetres thatisthemaximum allowable for this model of bo...

Страница 20: ...r condensate drainage system Description Airwall terminal products of combustion Ø80 mm Air terminal of inlet protection Ø80 mm Outlet flue air inlet for concentric system Ø80 Pipe fitting for outlet flue Ø80 mm Outlet flue air inlet for connection with split end Ø80 mm 0 5 1 2 4 0 5 1 2 4 0 8 1 6 3 2 6 4 1 2 4 8 1 2 1 8 2 0 2 5 1 5 2 0 7 Reduction KWMA55U 5 2 4 3 Air Flue Vertical Horizontal Vert...

Страница 21: ...scription 3 3 4 0 4 5 3 4 5 4 5 2 Reduction 9 0 Accessories Ø 60 Air flue wall terminal Ø60 mm KWMA90A Male female bend 90 Ø 60 mm KWMA88W Male female bend 45 Ø 60 mm KWMA39W Male female flue Ø 60 KWMA89W 1 00 m 5 KWMA02W Spigot and socket reduction Ø 60 80 mm Tab 3 ...

Страница 22: ...ed air appliances Example of how to calculate the connection of two separate pipes max flue length 100 metres The flue and air pipes must be sloped towards the boiler by at least 3 Ref 1 2 3 N Pieces 20 20 1 Vertical flue pipe Vertical air pipe Flue Description Length o loss 32 m 20 m 12 m 64 m Total 20 m 1 2 3 ...

Страница 23: ...flues room sealed Open flues Natural draught Natural draught Fanned draught Fanned draught Aa 300 mm 600 mm 1500 mm 2000 mm 300 mm Not allowed 300 mm Ba 300 mm 300 mm 300 mm 600 mm 300 mm Not allowed 300 mm Ca 300 mm 400 mm 600 mm 600 mm 300 mm Not allowed 300 mm D 300 mm 75 mm Not allowed 75 mm E 300 mm 200 mm Not allowed 200 mm F 600 mm 200 mm Not allowed 200 mm G 300 mm 150 mmb Not allowed 150 ...

Страница 24: ...late on the appliance itself If the appliance has to be used with a gas other than the one it has been set for it is necessary to insert or remove the restrictor between the gas valve and the air inlet Venturi and operate on the regulation screw F fig 19 placed on the Venturi unit to regulate the CO2 content in the flue gas to the nominal value within 0 1 described in the following table To conver...

Страница 25: ...e outlet flue gas of the boiler 13 Turn on the boiler and bring the burner to the maximum power it is advised to open one or more DHW taps and verify on the display that the parameter 8 boiler power arrives to 99 14 By means of the analyzer note the CO2 content in the flue gas with boiler to maximum power 15 If necessary slowly operate on the regulation screw F fig 19 placed on the Venturi to brin...

Страница 26: ... with high t up to 50 C This feature can be exploited to maintain a low central heating return inlet temperature even when the required outlet temperature is high and thus allow the appliance to operate in full condensation mode Bypass setting The boiler is fitted with a bypass between the outlet and return which guarantees minimum circulation inside the appliance even with systems fitted with ful...

Страница 27: ...non return valve is operating fig A Igniting the boiler Open the gas cock upstream from the boiler Bleed the air in the pipe upstream from the gas valve Close any switches or insert any plugs upstream of the boiler Place the main switch in the ON position The boiler will switch on and perform a complete self test cycle lasting around one minute to check the operation of the main parts The display ...

Страница 28: ... of the parameters and effect any custom settings required compensation curve heat rates temperatures etc Shut down Close the gas cock upstream from the boiler and disconnect the electrical power supply to the appliance Warning For long periods of inactivity during the winter months in order to avoid damage due to freezing all the water should be drained from the boiler both the domestic hot water...

Страница 29: ...maximum extension 6 Disconnectthegasvalvefromthegasinlet pipe unscrewing the union nut behind the valve disconnect the flexible inlet air pipe coupling E from the fan and the compensation pipe F from the gas val ve 7 If there is less than 30 centimetres free space below the fan remove the fan gas valveunitbyunscrewingthe4fanfastening nuts If the space is greater this is not necessary and the entir...

Страница 30: ...al maintenance If necessary blow with compressedairtoeliminatesmallresidues of combustion 11 Follow the previous instructions in the reverse order and reassemble the boiler Always work with caution and pay special care to all the sealing systems especially the gas seals and the gasket K between the burner assembly hexagonal support base and the condensation collector 12 Once the boiler has been re...

Страница 31: ...ARENA 30 C 31 fig 23g fig 23f fig 23h N O ...

Страница 32: ...trol panel To remove the boiler jacket unscrew the four screws on bottom of the boiler and the two screws on front supporting the control panel Gently pull up the jacket If necessary to have more space for working the control panel could be slid forward loosing the two screws B fig 23b and pulling the support bracket C fig 23c Final procedure Re open cocks and re charge the system to about 1 5 bar...

Страница 33: ...unit gas valve Burner and electrodes Follow the cleaning procedure at page 29 from 1 to 8 to remove the burner assembly Carefully remove the hexagonal ceramic fibre To change the burner remove the three fastening screw A fig 26 To change electrodes unscrew the two screws to the supporting plate and remove it Undo the brass nuts to electrodes B fig 27 Reassemble reverce order DHW Heat exchanger Iso...

Страница 34: ...and undamaged Expansion Vessel fig 27 Isolate electricity and water supplies Remove outer case Loosen the E connections to expansion vessel Remove the expansion vessel Re assemble in reverse order Re pressure expansion vessel charge pressure 0 8 1 bar through the air charging valve Ensure pressure relief value is open twist about 1 2 of a turn when repressurizing D H W temperature sensor fig 27 Is...

Страница 35: ...aterial over rear of control panel to catch any drops of water that may be released when removing the flow meter Using a 24mm open ended spanner undo flow meter unions A and B fig 30 taking care not to twist the copper tubing access through base panel Remove flow meter check clean filter restrictor fit to new flow meter Reassemble in reverse order fig 30 37 39 38 38 Take care on correct position o...

Страница 36: ...ner assembly ignition No gas or low gas pressure Ignition or detection electrode fault Defective gas valve Check that the gas pressure or the gas flow to the boiler is correct and that air has been eliminated from the piping Check the wiring to the electrodes and that these are positioned correctly and free of deposits Check and replace the gas valve Safety thermostat activation Outlet sensor not ...

Страница 37: ...re the electrical power supply If the problem persists check and or replace the main board High flue gas temperature Flue partially blocked or insufficient Check the efficiency of the flue the flue gas exhaust pipes and the outlet terminal Excessive central heating outlet temperature Pump blocked Pump faulty Free the pump by removing the cap and rotating the shaft with a screwdriver Check or repla...

Страница 38: ...tres per minute Fault Possible cause Solution Low domestic hot water flow Insufficient mains water pressure Heat exchanger with passages partially blocked Install a pressure increase device Request the cleaning of the heat exchanger No domestic hot water flow Heat exchanger blocked Defective flow meter Request engineer for the cleaning operations Request engineer for the replacement of the flow me...

Страница 39: ...d the required outlet temperature for the domestic hot water service The regulation and control system will then provide for optimal operation all year round The display provides continuous indication on the operating status of the appliance and can display additional information on the temperature of the sensors the set point etc or be used for the configuration of such via the operating menu usi...

Страница 40: ... both the domestic hot water and the heating system alternatively drain only the domestic hot water and introduce the special antifreeze into the heating system 4 5 Operating indications on the display During operation without pressing any of the buttons the display shows the operating status of the appliance Operating mode Standby Heating Domestic hot water Standby following domestic hot water op...

Страница 41: ...ng one of the buttons the display will start to flash and the domestic hot water outlet temperature setpoint will be displayed Use the buttons to set the required value To activate the new value press the button To cancel the setting do not press the button and press the button 4 9 Summer Winter Selection For Summer Winter selection enter functioning menu and visualize parameter 0 through key In c...

Страница 42: ...ired value To activate the new curve press the button To cancel the setting do not press the button and press the button If the ambient temperature is lower than the required value it is suggested to set a higher curve and vice versa Proceed with single unit increments or decreases and check the results in the room Compensation curve 20 30 40 50 60 70 80 90 20 10 0 10 20 Temperatura esterna C Temp...

Страница 43: ......

Страница 44: ...o 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 on 08707 282 885 IMPORTANT All CORGI Registered Installers carry a CORGI ID card and have a registration number ...

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