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ARENA 30 A

11

1.5 Functional flow chart

Fig. 6

1

3

1

2

15

14

12

11

10

8

7

6

5

4

1

2

4

5

6
7

8

10

11

12

NL

3

2

1

24 V AC

24 V AC

X2

X1

13

14

15

X5

X6

175

X10

X11

PC

3

2

X3

X4

1

2

3

6

7

8

9

10

11

12

S4575B 1033

12

11

10

8

7

5

4

2

1

9

6

16

-

-

DMF04

NL

L

N

NL

114

12

11

10

9

8

7

6

5

4

3

2

1

X7

-

-

-

191

72

32

98

130

186

188

82

34

139

138

49

4

5

NL

230 V

50 Hz

230 V

50 Hz

83

101

42

230V 50Hz

Low voltage

Eco/Comfort selection

12

1

Legenda

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

130

D.H.W. pump

138

Outside temperature sensor

139

Room unit (not fitted)

175

Transformer

186

Return temperature sensor

188

Hot surface igniter

191

Exhaust temperature sensor

Summary of Contents for ARENA 30 A

Page 1: ...ARENA 30 A WALL HUNG PRE MIX GAS FIRED CONDENSING BOILER INSTALLATION AND OPERATING INSTRUCTIONS Appr nr B99 15 A CE 0063 BL 3475 cod 3543694 1 ediz 06 2002 ...

Page 2: ...ase see installation and servicing guidlines CE MARK CE mark documents that the Ferroli gas appliances comply with the requirement contained in European directives applicable to them In particular the appliances comply with the following CEE directives and the technical specifications provided from them Gas appliances directive 90 396 Efficiencies directive 92 42 Low tension directive 73 23 modifi...

Page 3: ...itable isolating device In the event of malfunction or faulty operation deactivate the appliance Do not attempt to repair or carry out any other operation on the appliance direct ly Contact qualified personnel only Repairs or the replacement of compo nents must be carried out exclusively by qualified personnel using original spare parts only Failure to respect the above my compromise the safety of...

Page 4: ...8 2 11 Connection to concentric pipes 18 2 12 Connection to separate pipes 20 2 13 Table of losses for piping and accessories 21 2 14 Terminal Position 24 3 SERVICE AND MAINTENANCE 25 3 1 Settings 25 3 2 Commissioning and testing 28 3 3 Maintenance 29 3 4 Replacement of parts 33 3 5 Troubleshooting 36 4 OPERATING INSTRUCTIONS 39 4 1 Operation and controls 39 4 2 Boiler control panel 39 4 3 Ignitio...

Page 5: ...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 is preset for connection with external DHW storage An internal circulator for DHW connection dedicated to DHW storage DHW probe make the connection extremely ...

Page 6: ...ions and connections Key 1 Heating outlet 2 DHW storage flow 3 Gas inlet 4 DHW storage return 5 Heating return 6 Drain cock 7 Safety valve 8 Flue gas outlet 9 Air inlet Fig 1 205 220 60 110 120 8 9 73 109 5 62 62 109 5 44 139 368 760 460 1 2 3 4 5 6 7 ...

Page 7: ...pe 70 Air intake pipe 114 Water pressure switch 151 System drain cock 161 Condensing heat exchanger 179 Non return valve 186 Return sensor 191 Flue gas temperature sensor 213 Flexible inlet air pipe coupling 214 Flue gas outlet reducer 215 Air inlet reducer 216 Domestic hot water pump 217 Boiler body lagging 220 Ignition board Fig 2 114 213 14 220 16 151 32 216 56 44 69 70 215 214 179 161 217 186 ...

Page 8: ...age outlet 179 179 Key 14 Safety valve 16 Fan 22 Main burner assembly 32 Heating pump 34 Heating temperature sensor 44 Gas valve 49 Safety thermostat 56 Expansion vessel 82 Detection electrode 114 Water pressure switch 179 Non return valve 186 Return sensor 188 Ignition electrode 191 Flue gas temperature sensor 216 Domestic hot water pump 221 Bypass cock Hydraulic diagram Fig 3 ...

Page 9: ...nsumption W Pump electrical power consumption Speed I II III W Power supply voltage frequency V Hz 85 3 0 8 12 1 11 8 760 460 368 55 1 2 3 4 3 4 15x20 100 150 48 67 93 230 50 Power Heat rate Hi Heat rate Hs Natural Gas rate G20 Natural gas supply pressure G20 LPG Gas rate G31 LPG Gas supply pressure G31 Pmax Pmin kW 31 5 8 2 kcal h 27 090 7 052 nm3 h 3 27 0 80 mbar 20 20 kg h 2 44 0 60 mbar 37 37 ...

Page 10: ... 6 0 III II 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 ...

Page 11: ... 4 5 N L 230 V 50 Hz 230 V 50 Hz 83 101 42 230V 50Hz Low voltage Eco Comfort selection 12 1 Legenda 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 130 D H W pump 138 Outside temperature ...

Page 12: ...inor gas leaks These safety standards are imposed by the EEC Directive no 09 396 for all gas appliances including the so 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 pipe...

Page 13: ...the part of the wall chosen for the installation of the boiler using a 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 br...

Page 14: ...ce 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 BS2879 Copper tubing to BS2871 Part 1 is recommended for water carrying pipework Pipework in horiz...

Page 15: ...HW storage is collocated on the floor under the boiler it is neces sary to leave the suggested space for the extraction of the burner unit between DHW storage and boiler as showninthefig 7a Becare ful that connection pipes to the DHW storage do not interfere or limit the possi bility to extract the burner unit also see sequence of figures 24a 24h It is suggested to leave at least 30 mm 2 7 Condens...

Page 16: ...n 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 DHW storage probe 11 12 for the DHW storage temperature regulation The probe has to be posi tioned in the DHW storage sump To make these connections unscrew the four sc...

Page 17: ...y case be fitted near windows doors ventilation openings flues or sources of heat which may alter the read ing 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 be used 1 2 3 4 5 6 7 8 9 10 10 12 Arena 30A connection block D E F L H E 230 50 vac supply fused 3amp X Y room t stat cyl t stat X CH circuit MUST...

Page 18: ...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...

Page 19: ... 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 ...

Page 20: ...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...

Page 21: ...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...

Page 22: ...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 ...

Page 23: ...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 ...

Page 24: ...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 ...

Page 25: ...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 convert proceed as follows 1 Remove the lower protection plate and open the bo...

Page 26: ...er 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 bring the CO2 content to the nominal value within 0 1 expected in the table ...

Page 27: ... 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...

Page 28: ...icinity of the boiler 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 shows in seque...

Page 29: ...er 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 and the heating system alternatively drain only the domestic hot water and introduce the relative antifreeze into the heating system 3 3 Maintenance The fol...

Page 30: ...aximum extension 6 Disconnect the gas valve from the gas inletpipe unscrewingtheunionnutbehind 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 enti...

Page 31: ...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...

Page 32: ...ARENA 30 A 32 fig 23g fig 23f fig 23h N O ...

Page 33: ... 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 and vent boiler and radiators Re charge to 1 5 bar if ...

Page 34: ...iece on the fan Unscrew the four nut A fixing the fan fig 25 Unscrew the fastening screws C fig 24 and remove the Venturi 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...

Page 35: ...verse order taking care to ensure the O rings are in place 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 ...

Page 36: ...opening of the boiler always request the assistance of the service centre Failed burner assembly ignition No gas Ignition or detection electrode fault Defective gas valve Check that 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 Saf...

Page 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...

Page 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...

Page 39: ...e 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 using t...

Page 40: ...iler 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 wate...

Page 41: ... the flow rate of delivery and the temperature of the cold water supplied to the boiler If in terms of delivery or temperature difference between the inlet and outlet the thermal capacity of the generator is exceeded refer to the technical data the outlet temperature will be proportionally lower than the setpoint To set the domestic hot water outlet temperature access the operating menu and using ...

Page 42: ...ation system functions in Outside temperature compensation mode In this mode the temperature of the heating system is regulated according to the external climatic conditions so as to guarantee a high degree of comfort and energy saving all year round Specifically when the external temperature falls the central heating outlet temperature is increased according to a pre determined compensation curve...

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Page 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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