Unical ALKON 28 R HE Installation And Servicing Manual Download

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INSTALLATION
AND
SERVICING MANUAL

00333883 -2

edition - 06/2012

ALKON

28 R HE - 28 C HE
35 R HE - 35 C HE

Summary of Contents for ALKON 28 R HE

Page 1: ...INSTALLATION AND SERVICING MANUAL 00333883 2nd edition 06 2012 ALKON 28 R HE 28 C HE 35 R HE 35 C HE...

Page 2: ...14 Electrical connections 25 Connection to mains supply 230V 25 Outdoor sensor connection 26 ON OFF digital room controller connection 27 Layout of the electrical connection for zone control systems 2...

Page 3: ...ar as possible to the one you really require We recommend you to check the state of cleanliness of the domestic hot water heat exchanger at the end of the first year and subsequently on the basis of t...

Page 4: ...tructive components which influence the appliance s safe operation WARNING When tightening or loosening the screw pipe connections use only adequate fork spanners The improper use and or the use of in...

Page 5: ...N 13203 1 18 F factor N stars based on the quality of water declared EN 13203 1 19 PMW Max pressure D H W system 20 T max Max temperature D H W system C Electrical features 21 Electrical power supply...

Page 6: ...ing turn off the electrical supply to the boiler by means of the ON OFF switch and or by means of the appropriate shutdown devices Do not obstruct the inlet outlet terminals In the event of failure an...

Page 7: ...ectronic ignition Flame modulation in function of the absorbed power Minimum heat output adjustment in CH mode Electronic adjustment of the ignition ramp Electronic frost protection mode Pump overrun...

Page 8: ...drain siphon 2 Domestic hot water temperature sensor 3 Aluminium heat exchanger condenser 4 Flow temperature sensor 5 Overheat safety thermostat 6 Ignition Ionisation electrode 7 Air vent valve 8 Flue...

Page 9: ...ter pressure switch 11 Return temperature sensor 12 Expansion vessel 13 Circulation pump 14 Flow temperature sensor 15 By Pass 16 Manometer 17 Central heating circuit safety valve 18 System drain cock...

Page 10: ...30 8 1 148 6 2 0 5 6 15 14 9 82 11 1 12 6 14 7 17 7 35 60 230 50 4 133 X5D 46 28 C HE II2H3P 2 17 0 5 2 5 2 5 85 30 8 1 148 6 2 0 5 6 12 5 12 8 69 9 8 11 2 13 15 6 35 60 230 50 4 133 X5D 46 Heat outpu...

Page 11: ...gas type available This is verifiable via the indication on the packaging and on the data badge c Check that the chimney flue pipe has an adequate draught does not have any constrictions and that no...

Page 12: ...assume the responsibility of complying to all the local and or national regulations published in the official publications as well as all the applicable codes of practice The installation must be car...

Page 13: ...ied with a paper Wall mounting template which facilitates the connection of the gas and water feed pipes when laying out the hydraulic system and before installing the boiler This template has to be f...

Page 14: ...een carried out For fitting the boiler Place the steel mounting template on to the wall Determine the position of the holes for fixing the support bracket Drill the holes and fix the support bracket u...

Page 15: ...rging of the system Ensure yourself that the system s piping is not used as earth clamps for the electrical or telephonic system They are absolutely unsuitable for this use In a short time this could...

Page 16: ...pressure in the system must be between 1 and 2 5 bar if the pressure is higher fit a reducing pressure valve WARNING The hardness of the mains water supply conditions the frequency with which the DHW...

Page 17: ...ced a siphon must be fitted supplied with the boiler there must be no bottlenecks the connection must be made just under the bottom part of the boiler it must be installed so as to avoid freezing of t...

Page 18: ...ope of this treatment is finalized for eliminating or substantially reducing the following problems lime scale deposit corrosion sludge deposits microbiological growths moulds bacteria etc An appropri...

Page 19: ...ntric or twin ducts The minimum distance between the air inlet duct and the flue gas outlet duct must be of 250 mm and moreover both terminals must be positioned within a 500 mm square area C43 Boiler...

Page 20: ...pipes is of 0 75 metres The maximum allowable length of the horizontal concentric pipes is of 3 5 metres For each elbow added the maximum length permitted has to be reduced by 1 metre HORIZONTAL FLUE...

Page 21: ...ion so as to enable the collection of any condensate formed in the boiler Type C33 The maximum allowable length of the vertical concentric pipes is of 8 5 metres including the terminal 80 125 For each...

Page 22: ...0 mm It is not permitted to position the two terminals on opposite walls The maximum pressure loss permitted independently from the type of installation must not exceed the value of 100 Pa 00361435 KI...

Page 23: ...ES OF THE COMBUSTION AIR INLET PRODUCTS OUTLET DUCTS When calculating the pressure losses bear in mind the following parameters For the twin flue pipe system s adaptor the pressure loss is of 4 Pa For...

Page 24: ...in the combustion product outlet For the 60 L 1 horizontal combustion air inlet terminal the pressure loss is of 6 Pa For the 60 L 1 horizontal combustion products outlet terminal the pressure loss i...

Page 25: ...both poles in an easy accessible position so as to ensure quick and safe servicing The replacement of the supply cable as to be carried out by a qualified authorized UNICAL engineer using only origin...

Page 26: ...rresponds to the minimum design temperature The minimum flow temperature instead HL is automatically set by the boiler when the outdoor temperature is 20 C Once these parameters have been set the boil...

Page 27: ...tion optional Get access to the terminal strip M1 Connect the leads coming from REGOLAFACILE to the terminals 3 4 of terminal strip M1 Remove the link between terminals 1 2 DANGER Switch off and disco...

Page 28: ...anding heat when the diverter valve reaches the low temperature position and sends the request to the boiler The 3 way valve has to use the limit switch contact in order to simulate this type of reque...

Page 29: ...I L S E O T T A A 1 4 A 1 5 B L A C K B L A C K W H I T E W H I T E Y E L L O W Y E L L O W B L A C K A 7 A 1 6 A 1 8 A 1 7 L I G H T B L U E B R O W N Y E L G R E E N N L 1 L I G H T B L U E B R O W...

Page 30: ...ature sensor OT Terminals for Modulating Room Thermostat REGOLAFACILE TA Terminals for ON OFF Room Thermostat Note The figures shown on the above wiring diagram are purely indicative JP1 selection typ...

Page 31: ...products example anti freeze solutions for motor vehicles or use wrong concentrations of anti corrosion solutions This could cause damage to the washers and could provoke noise during normal boiler op...

Page 32: ...or installer 3 17 INITIAL LIGHTING PRELIMIARY CHECKS The first ignition must be carried out by a qualified technician Failure to do so could cause injury to persons animals or damage to property UNIC...

Page 33: ...C C To enter the parameters push and keep pressed for ten seconds the reset button release when the flashing wrench appe ars on the display MAX M I N Rotate the HEATING temperature adjustment knob B t...

Page 34: ...nd the combustion analysis can be performed Maximum output symbol wrench steady and symbol radiator steady MAX M I N MAX M I N C C Operation at the minimum output Rotate the HEATING temperature adjust...

Page 35: ...n mode by rotating the HEATING knob B to its MAX setting and then press the RESET push button for 3 s symbol wrench steady ON and symbol radiator steady ON Check that the C02 values are within the val...

Page 36: ...5 5 6 5 6 30 10 ALKON R 28 HE C 28 HE 9 2 10 1 6400 6400 20 37 0 58 m h 0 43 kg h 2 96 m h 2 17 kg h Nat gas G20 LPG G31 1700 1700 9 2 10 2 5 6 5 6 50 10 INCONVENIENTS SOLUTIONS Noisy flame at cold s...

Page 37: ...14 16 18 20 22 24 26 28 30 32 34 36 38 40 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 ALKON R 28 HE C 28 HE 0 2 4 6 8 01 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 0 5 10 15 20 25 30 35 40 45 50 55...

Page 38: ...boiler The frequency of servicing will be determined by the service engineer and will depend on the appliance s state of condition These adjustments can be performed only by Service Centres authorized...

Page 39: ...annually Check every 2 years Check efficiency of fan s operation Test for gas soundness Clean the burner and check the ignition efficiency Clean the condensate drain siphon and check that it is disch...

Page 40: ...replace the return temperature sensor Working parameters priority 2 Description Working parameters corrupted Possible solutions Re introduce the correct working parameters Insufficient circulation pr...

Page 41: ...tion of the D H W temperature sensor if applicable Possible solutions Check the sensor for good operation see table Resistance Temperature and or its harness C H flow temperature sensor priority 13 De...

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Page 44: ...tial characteristics Directions for proper disposal of the product according to Directive 2002 96 EC At the end of its life the product must not be disposed of as municipal waste It can be taken to a...

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