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User Manual - MarineTec US

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1. Pr 5 a Connection A Connection B Connection C 10918 7 86 5 43 2 2134 5817 8 9 11011121314 2131415181718 Maximal Thermostat C 2 Fuse 250V 8A 1 4 On off switch dashboard 2 5 z EI Q DONC DEOMI 3 DOWN Bumer plug Plug male Plug femal Plug female 3 IT Wu ii SPAN moe Eww om ospr Y 3537y gig 8 Bag lt eEeeEe S528 a6 5 a 53 422 EN 3393 a DSE a aa oO Sg o88 S BS lt SSSs lt SSSSS 8 S SS S Siess a 33833 3 e 26885 a EE a DAD 935080 3 58886 5 S Ghee 5 GS 822g a 8 Ess lt Odada SS P 2 0033 S E EE 8 8 EERE 8 8 8G 5 5 os br a BS 3 et g g 3 3 6 6 A bd S S User manual HR serie version 3 28 5 2008 18 Appendix D Troubleshooting Listed below you will find a list with possible problems their reasons and solutions When you encounter problems not listed you should contact your dealer Never try to solve problems on your own Problem Possible reason Burner will not start Oil supply interrupted Power supply interrupted Flame protection dirty photo cell Flame protection defect photo cell Bleed the oil filter Change contaminated filter element Fill the oil tank Check the fuses Burner starts pulsing Flue gas flow interrupted Boiler dirty Oil su
2. n n D D im D B Kabola HR serie B tap en B caloritier RONINNNSS EES 3 A ideler 2 2 gt BO x HEATING SYSTEMS B 1 2 3 415 Js 7a e hohish C aa GEN a Connection A Connection B Connection C 109181718151413 2 2 3 4 5 6 7 18 9 1011121314 2 3 45 8 78 Maximal Thermostat CG 2 Fuse 250V 8A 1 4 On off switch dashboard 2 5 zZ EE OEE 3 Burner plug Plug male Plug female Plug male Ip fi i Mm epgeiyN mee p o pDr g 5 S e SO le Pe T a 2g Ee EE er S 7 op a Bs 32 lt 3222 e 2 3 32 2282 a 23333 u ge a 3322 Ss S T 83822 3 38 amp EE oo UE E a opge o3 2 gs 3070755 a a a F 8 9 z 2 S 8 SEE 8 zegg a 3 5 T S a5 S E User manual HR serie version 3 28 5 2008 17 Appendix C Electrical diagram 24 V Kabola HR serie B tap en B calori de 7 A aiaizieiezaa 8 ST 5 KABOLA G SYSTEMS C AGEL C izislleielzls B 1 2 3 4 5 6 7 8 8 10111211314
3. 4 1 5 Electrical connection Warning Disconnect the power supply from the boiler before you start the installation The quality of 230 VAC power supply to the boiler should be as good as the power supply from a land line Figure 5 Connecting the room thermostat Figure 6 For connecting the room thermostat you must use a wire with 2 cores 0 75 mm isolated hose The room thermostat you need to connect at the following way gt Remove the lid from the connector A what is mounted at the back of the dashboard gt Connect the wires from the room thermostat at T1 amp T2 as pointed at the sticker in the connector Figuur 6 Connecting the circulation pump figure 5 and appendix C 1 Remove the lid from connector B and connect the wires as pointed at the sticker in the connector 2 Don t forget the earthing 3 Close the lid from the connector Electrical installation 24 VDC power supply for 24 VDC version The 24VDC boiler is supplied with a wire from 10 mm don t cut this wire but use this wire De red wire is the pole and need to be connected at the pole from the battery the black wire is the pole Warning Never change the pole with the pole on the battery The core diameter of the wires form points 5 and 6 of the main connector have to comply with the values from the table below Table 1 Distance to the battery 10 metres 20 metres User manual HR serie
4. User manual Kabola HR serie Kabola Heating Systems BV Populierenweg 41 3421 TX Oudewater Nederland Preface This user manual is written to enable the safe operation of the HR series central heating boilers The user must read this manual before installation of the boiler and must follow the instructions within this manual Therefore this manual must be kept with the boiler In chapter 2 the safety instructions are detailed which have to be complied with when installing and using the boiler In other chapters you will find safety instructions that can be identified in the following way Hint This gives the user suggestions and advises to facilitate the execution of certain tasks Attention Additional information is supplied to the user and possible problems are indicated Warning Watch out for possible life threatening injuries For any remarks wishes or omissions you can contact Kabola Heating Systems We also welcome any remarks to improve this manual We wish you a lot of pleasure from your purchase Kabola Heating Systems Populierenweg 41 NL 3421 TX Oudewater The Netherlands Phone 31 0 348 561277 Fax 31 0 348 562484 Web www kabola nl E mail info kabola nl Oudewater 28 5 2008 2008 Kabola Heating Systems Copying of parts of this manual is only allowed with written consent of Kabola Heating Systems User manual HR serie version 3 28 5 2008 2 Table of c
5. Warning Because the flue gas temperature lies between 180 240 C it is advisable to insulate the flue with heat resistant material on those parts where contact with human body parts is possible For a correct flue gas outlet the following points need to be observed gt Use the proper diameter use a diameter equal to the diameter of the flue gas outlet on the boiler see also technical specification gt Use double walled chimney pipe outside to prevent a rapid cooling of the due gasses which may result in condensation in the chimney Hint When using an existing chimney of a larger diameter than the diameter on the boiler you can install flexible piping of the correct diameter insides the existing chimney Warning It is necessary that condense water always can flow back to the drain or the boiler avoid water bags User manual HR serie version 3 28 5 2008 8 The flue can be installed in several different ways You must carefully consider under which circumstances the boiler will be used For sea going boats and sail boats we advise the installation of a vertical flue where the heel angles of the boat may be larger The following installation examples are most common HORIZONTAL FLUE GAS OUTLET It is possible to fit a horizontal flue gas outlet to the boiler The following points need to be observed gt Make sure that the outlet is positioned at a sufficient height above the waterline If this is not p
6. e lt 5 Figure 11 Explanation from the number in the figure 11 Fuse holder with a glass fuse 8A 230V for 24 VAC a 15A On off switch Display for boiler temperature and the state from the boiler Adjust nob for boiler temperature Reset nob maximal thermostaat moom By pushing and turning the nob D you can change the boiler temperature The dashboard figure 11 what is mounted at the HR boilers can give the following codes HR serie State Discription Rest CH is demanding Pumptimer active P gt w O Under voltage User manual HR serie version 3 28 5 2008 14 6 Cleaning and maintenance 6 1 Points for attention Spare parts must be ordered through your Kabola supplier For warranty purposes only original spare parts must be used When ordering spare parts state the type of boiler and its serial number Your Kabola supplier will then be able to supply the correct parts In Appendix B the main spare parts are listed 6 2 Cleaning and maintenance Warning Maintenance and repairs should only take place when the boiler is switched off this is because the boiler may start unexpectedly Take the plug form the wall socket for the 230 VAC versions Disconnect the power supply for the 24 VDC version Warning Maintenance and reppairs may only be performed by personnel who have read and understood the information in this manual preferably an expert ins
7. 5 Circulation pump 24VDC Kabola h 130 mm 10 018 6 Conversion coupling 1 int x 22mm 9 1023 7 Pipe nipple 1 x 40 mm 18 5481 8 Knee 221 1 18 5482 9 Reducing ring 1 x 1 2 ext x int 18 5297 10 Pipe niple 1 2 x 120 mm 18 5483 11 Fill drain pressure relief valve wivakom 9 1015 12 Stainless steel eficiency tube HR300 400 14 N129 13 Insulation door 294x294x20 HR300 9 1081 13 Insulation door 300x300x20 HR400 9 1082 14 Door gasket cord HR serie 15 mm per m 9 1083 15 Insulation door 276x276x15 HR300 9 1084 15 Insulation door 282x282x15 HR400 9 1085 16 Door HR300 9 1086 16 Door HR400 9 1087 17 Door mounting nob HR series 9 1089 18 Branderpakking SLV10B 35 007 19 Klemophangflens SLV10B 35 003 20 Dasboard steun optioneel 9 1088 21 Kabola SLV10B brander HR300 230V 2 B008 21 Kabola SLV10B brander HR400 230V 2 B009 22 Kabola SLB10B brander HR300 24V 3 B008 23 Kabola SLV10B brander HR400 24V 3 B009 User manual HR serie version 3 28 5 2008 20 Appendix F Burner parts SLV 10 B SLV 22 B SLV 33 2 B User manual HR serie version 3 28 5 2008 21 Pos Discription Art Number 6 Burner cover Kabola SLV10
8. Ensure that the safety regulations are observed whilst operating the boiler Attention No alterations to the boilers may be done without the explicit written consent of Kabola Heating Systems 2 2 Safety instructions In this chapter we emphasizes the safety related points for operating the boiler MEASURES FOR A SAFE INSTALLATION gt Don t store any flammable and or gaseous products in the room where the boiler is installed to avoid explosions and fires gt Install the boiler in a non humid environment on a firm horizontal base gt Ensure that there is sufficient ventilation in the room where the boiler is installed See also 41 1 gt Make sure before you start connecting the boiler that the system is disconnected from the power supply Only use multi stranded wire for electrical connections Do not change the pole with the pole of the battery for the 24 Volt DC power supply vv MEASURES FOR A SAFE OPERATION Never change the settings of the burner Don t use any aggressive solvents which may affect the boiler like petrol or turpentine Insulate the chimney when it can be touched by body parts Make sure that the boiler and burner are checked annually by a skilled expert Make sure that before you start any work on the boiler that the system is disconnected form the power supply Make sure that any surplus oil is collected in case of oil spillage We advise you to have any maintenance or repairs carrie
9. boiler by using the holes with M5 threat in the feet from the boiler Keep a minimum distance of 250 mm behind the boiler for the flue gas outlet see figure 1 Use an earthed plug socket for connecting the 230 Volt AC versions to the power supply Figure 1 VV Vv VV WV Hint As a rule of thumb for the ventilation openings take 2 5 times the diameter of the flue gas outlet 4 1 2 Connection to the central heating system PIPING Take note of the following points when installing the piping gt Install the piping in such a way that the boiler cover and dashboard remains accessible gt Provide enough bleeding points in places where air may collect especially near the boiler Attention Install a bleeding point near the boiler especially when the piping does not go up User manual HR serie version 3 28 5 2008 7 Connect the piping to the boiler as follows see figure 2 1 Install the feed from the CH at point 1 2 Install the return of the CH at point 2 Figure 2 Hint Install a shunt with pressure equalizer when thermostatic radiator valves are applied 4 1 3 Flue gas outlet GENERAL The flue gas outlet is an essential part of your heating installation An incorrect flue gas outlet reduces the lifespan of your boiler considerably and has a negative impact on the efficiency Remember when installing the flue that even the best boiler won t work properly unless the flue is properly installed
10. 5 7 Check if oil is coming out of the hose 3C 5 8 Check all oil connections for leaks 5 8 1 If the burner does not start the control light will light 5 8 2 Close the bleed valve 3B on the oil filter 5 8 3 Wait approximately 3 minutes 5 8 4 Reset the burner by pushing button and return to 5 4 repeat if necessary 5 9 Close the bleed valve 3B when only oil and no bubbles come out of the hose Attention The oil burner is tested by the manufacturer not adjusted The adjustment of the burner has to be done by an experienced installer because this requires expert knowledge To be eligible for warranty the boiler has to be adjusted by an approved installer Contact your Kabola supplier to make an appointment Never adjust the burner using your own initiative 5 Operating the boiler When the boiler has been started and adjusted according to 4 2 operation fo the boiler is very simple 1 By pushing nob D from figure 11 you can set the boiler temperature The required temperature is set with the room thermostat which controls the boiler The calorifier thermostat controls the 3 way valve on the boiler The operation of the room thermostat is explained in the manual of the room thermostat If problems arise with the operation of the boiler you will find a list of possible problems and solutions in Appendix C User manual HR serie version 3 28 5 2008 13 5 1 Explanation of the dashboard lt A wey ege
11. B red 35 002 10 Flange insulation Kabola SLV10B 35 003 11 Cam Kabola SLV10B 35 004 13 Inspection glass Kabola SLV 10B 35 005 14 Ring Kabola SLV10B 35 006 15 Isolation burner Kabola SLV10B 35 007 16 Flame tube Kabola SLV10B short 35 008 17 Baffle plate Kabola SLV10B 35 009 18 Ignition Kabola SLV10B 35 010 20 Nozzle rod Kabola SLV10B 35 011 24 Air flap Kabola SLV10B 35 012 25 Air flap axle Kabola SLV10B 35 013 30 Pressure cupper pipe SLV10B 35 014 35 Oilpump Kabola SLV10B 35 015 41 Magneetspoel Danfoss BFP21 Kabola SLV10B 35 016 47 Filter oilpump SLV10B 35 017 50 Oilhose Kabola SLV10B 35 018 52 Sealring 1 4 13x18x1 5 Kabola SLV10B 35 019 53 Coupling oilpump motor Kabola SLV10B 35 020 54 Motor 110W Kabola SLV22B 35 021 54 Moter 60 W Kabola SLV10B 56 Fan wheel Kabola SLV10B 35 022 57 Ignitioncable connector Kabola SLV10 35 023 58 Transformator Kabola SLV10B 35 024 User manual HR serie version 3 28 5 2008 22 Appendix G EG declaration EC declaration of conformity Kabola Heating Systems BV Populierenweg 41 3421 TX Oudewater Netherlands declare under our own responsibility that the product Kabola HR400 HR400 combi HR400 calorifier controlled boilers Kabola HR300 and HR300 calorifier controlled boilers to which this declaration relates complies with the following standards EN 303 1 EN 303 2 EN 304 EN 50081 1 EN 50082 1 EN 61010 following the provisions
12. Letter HR300 HR400 HR500 A 380 460 505 B 330 330 330 C 354 370 370 D 61 75 185 E 298 298 306 F 360 392 467 G 242 242 242 H 344 344 344 l 140 140 140 J 75 75 75 Technical specifications HR300 HR400 HR500 Flue gas mm 60 80 80 C H connection mm 22 22 22 Sanitary water connection mm 15 15 15 Max capacity kW 8 10 10 14 20 Service pressure Bar 2 2 2 Working pressure Bar 3 3 3 Weight Kg 60 70 81 Exhaust gas temp Max C 230 230 230 Efficiency 90 90 90 Max length horizontal max mtr 5 5 5 Power consumption 24V A 6 9 6 9 6 9 Power consumption 230V Power consumption 230V starting load Ww 740 740 740 Operating load 230V W 230 230 230 Fuel Diesel Diesel Diesel 16 User manual HR serie version 3 28 5 2008 Appendix B Electrical diagram 230 V
13. d out by skilled experts VV Vvvvvv User manual HR serie version 3 28 5 2008 5 3 Transport and storage 3 1 Transport Take following precautions before transporting the boiler gt Drain the water from the boiler gt Uncouple the fuel system gt Remove the burner see 8 4 1 5 replacing the burner While transporting the boiler take following precautions gt Don t damage the boiler use a blanket to cover the boiler gt Transport the boiler standing up 3 2 Storage Take the following precautions when the boiler is stored for a longer period of time gt Store the boiler and accompanying parts in a dry place gt Dismount the burner see 8 4 1 7 gt Store the boiler standing up gt Store the boiler on a firm horizontal base User manual HR serie version 3 28 5 2008 4 Installing and preparing for first use In this chapter you will find directions and hints for a correct placement and fitting of the boiler and accompanying parts Warning Do not storee any flammable or gaseous substances in the room where the boiler installed This is to ensure that no explosions or fires can occur 4 1 Installation F 4 1 1 Fitting the boiler Install the boiler in a dry place Install the boiler on a firm horizontal base Make sure there is sufficient supply of fresh air in the room where the boiler is installed see hint below To avoid movement secure the base of the
14. ilers with are designed to generate heat for the heating of water for a central heating system The dimensions of the rooms to be heated have to be taken into consideration These boilers are not designed for direct heating of the rooms in which they are installed 1 3 Product description The boilers of the HR series heats the boiler water by means of a pressure jet burner which is installed at the front of the boiler The boilers are available in both 230 VAC and 24 VDC versions For fuel diesel oil has to be used 1 4 Technical specifications The most important technical specifications are listed on the plate at the back of the boiler More technical details are listed in Appendix A User manual HR serie version 3 28 5 2008 4 2 Safety In this chapter we emphasizes the safety related points for operating the boiler 2 1 General safety Warning Although Kabola Heating Systems designs and produces its products according to the current safety standards it is possible that dangers may present themselves which could lead to injuries or damage to the boiler if the safety instructions in this manual are not complied with The user must gt Have read and understood the chapter safety gt Avoid any actions which may lead to dangers to his health or others gt Avoid any actions which may lead to damage to the boiler gt Ensure that the boiler is only used when the boiler is in sound technical condition gt
15. nk Correct functioning of the burner can not be guaranteed when a fuel manifol or T connection is installed Connect the plug 4 from the boiler to the burner Figure 10 When the oil tank is situated below the boiler or when the oil supply line comes from below the boiler it is advisable to use a self bleeding oil filter The articlenumber 4 D133 This prevents unnecessary malfunctioning of the burner In the manual of the burner you will find an overview with the allowed dimensions of the oil supply line 12 4 2 Starting your system When everything is connected follow the procedure below 1 Connect the boiler to the power supply The 230 VAC will need to be connected for the 230 VAC version and only the 24 VDC for the 24 VDC version 2 Switch the boiler on with the on off switch on the dashboard The lamp in the switch will indicate that the system is active 3 Set the required boiler temperature between 55 and 90 C using the boiler thermostat 4 Set the room thermostat so that it is switched on see manual of the room thermostat 5 Starting of the oil burner see figure 10 5 1 Open the valve in fuel line 5 5 2 Install the bleed hose 3C on the bleed opening of the oil filter 5 3 Open the valve on the oil filter 5A 5 4 Start the oil burner 5 5 The burner switches on this wull take approximately 1 5 minutes because of the oil pre heating element 5 6 Open the bleed valve on the oil filter 3B
16. of the following EC directives 73 23 EEG 89 336 EEG 92 42 EEG amended by 93 68 EEG The Netherlands Oudewater 1 4 2007 P Alles Director User manual HR serie version 3 28 5 2008 23 Appendix H CE certification Number E 4008 0063 Gastec Certification B V hereby declares that the Heating boiler with forced draught burner type HR 400 made by Kabola Heating Systems B V in Oudewater The Netherlands meets the essential requirements as described in the Directive on efficiency requirements 92 42 EEC PIN 0063803246 Report number 176246 Appliance type Bz Apeldoorn 28 Febru GASTEC l D Certification s M JD gan Rij Gates Conticaties by 300 AC Apsidon eneral Manager Wirveredorl 30 TAIT AC Apallon n Mth The Netherlands IAC IE User manual HR serie version 3 28 5 2008 AL WO NA 24
17. ontents Preface Table of contents 1 Introduction 1 1 General 1 2 Range of application 1 3 Product description 1 4 Technical specifications 2 Safety 2 1 General safety 2 2 Safety instructions 3 Transport and storage 3 1 Transport 3 2 Storage 4 Installing and preparing for first use 4 1 Installation 4 1 1 Fitting the boiler 4 1 2 Connection to the central heating system 4 1 3 Flue gas outlet 4 1 5 Electrical connection 4 1 6 Filling the central heating system 4 1 7 Mounting the oil burner 4 1 8 Mounting the oil filter and oil burner 4 2 Starting your system 5 Operating the boiler 5 1 Explanation of the dashboard 6 Cleaning and maintenance 6 1 Points for attention 6 2 Cleaning and maintenance 7 End of life of the boiler Appendix A Technical specifications Appendix B Electrical diagram 230 V Appendix C Electrical diagram 24 V Appendix D Troubleshooting Appendix E Boiler parts Appendix F Burner parts Appendix G EG declaration Appendix H CE certification User manual HR serie version 3 28 5 2008 ONNNANNDODODOWTURPRRRRWON 1 Introduction 1 1 General Congatulations with your purchase of this Kabola boiler This user manual covers the HR series The HR boilers cover a wide range of boilers with a broad range of applications By purchasing this boiler you have acquired a product which is of high quality through the application of the latest European standards and directives 1 2 Range of application The HR bo
18. ossible use a swan neck bend in the pipe as in figure 3 Use the correct hull fittings for installing the flue through a hull side The maximum allowed length is 5 meters Don t use more than 3 elbows of 90 Every elbow of 90 is equivalent to 1 meter straight pipe vvv Vv Figure 3 VERTICAL FLUE GAS OUTLET This way if installation is preferable for seagoing boats and sailing boats because these boats encounter large angles of heel through waves and under sail For this kind of flue gas outlet the following points are important gt Install a proper storm cowl oon top of the chimney this must stop rain from entering figure 4 Install deck fittings for installing the flue through a deck Install a water trap to drain possible water caused by condensation Keep the chimney as vertical as possible Don t use more than 3 elbows 90 The maximum allowed length is 7 meters Every elbow of 90 counts as 1 meter Use outside double walled chimney pipe VVVVV vv Hint To reduce the noise from flames it is wise to install a silencer in the flue Your Kabola supplier can provide you with all components which may be required for installation such as Cowls Figure 4 Flexible piping Single and double walled chimney pipes Hull and deck fittings Silencers Water traps Insulation VVVVVVV User manual HR serie version 3 28 5 2008 9
19. pply interrupted Nozzle defective Replace flame protection Clear chimney opening Clean boiler See above Replace nozzle Reset burner once Burner shows error Low voltage Oil supply interrupted Boiler does not react to thermostat Wire in main connector has not been removed room thermostat Boiler thermostat incorrectly adjusted Battery of room thermostat flat Water is not circulating Pump couplings are closed Pump not connected to electricity supply Rotor of pump is stuck The boiler will reset automatically when the problem has disappeare required when the NTC probe is incorrectly installed the user needs NTC probe checked User manual HR serie version 3 28 5 2008 Check voltage level See above Remove wire from main connector between 1 and 2 Adjust boiler thermostat Replace battery Open pump couplings Connect pump Turn pump with your hand see pump manual d Action from the user is only to have the connection of the 19 Appendix E Boiler parts W mn E 5 e 2 z mF A a en oA MD e Ei Se ECH SW _ deg ech XG GX WS 17 18 19 20 11 ne Gp 21 Pos Omschrijving Artikelnummer 1 Dashboard HR serie 230V 9 1080 2 Isolatie Rockwoll 25 mm 3 Conversion coupling 1 int x 22mm 17 R161 4 Locking pump coupling 1 9 1023 5 Circulation pump 230V 25 130 9 1053
20. taller or a service engineer from Kabola Heating Systems Every year 1 Clean the boiler 1 1 Remove the burner see 8 4 1 5 1 2 Remove the burner from the boiler 1 3 Open the door of the boiler 1 4 Remove the insulation 1 5 Clean the inside of the boiler using a stiff brush Attention Don t use any aggressive solvents like thinner or gasoline 1 6 Clean the boiler with a vacuum cleaner 1 7 Replace the door if necessary use a new isolation 1 8 Replace the burner 2 Clean the chimney 3 Change the oil filter element 4 Clean the burner see manual of the burner Attention The old oil filter element has to be processed as chemical waste 7 End of life of the boiler When the boiler is scrapped take note of the points listed below e Process the oil filter and the oil hose as chemical waste Separate the metal from the plastic parts and dispose off them separately Process any excess oil in an environmentally friendly way Transport the boiler according to the instructions in chapter 3 Recycle this manual User manual HR serie version 3 28 5 2008 15 Appendix A Technical specifications A B Boiler dimensions
21. ump couplings are supplied with the boiler the adjusting grooves must point towards the pump User manual HR serie version 3 28 5 2008 11 4 1 7 Mounting the oil burner Follow the instruction below for mounting the oil burner gt Passionate the insulation 2 and the burner clamp 3 that they are in one line with the mounting holes in the door gt Assemble the burner clamp with the 4 M8 bolts The arrow at the burner clamp must point to the top Hint Smear some sealant in the crack in the flange to seal gt Slide the burner trough the burner clamp and push it as far as possible gt Fasten the screw from the burner clamp what is Figure 9 clamping the burner Attention Take care that the flame tube is not damaged during installation Repairs to the flame tube are very expensive and don t fall under warranty 4 1 8 Mounting the oil filter and oil burner To connect the filter to the burner follow the procedure below see also figure 9 gt gt Hint User manual HR serie version 3 28 5 2008 Remove the burner cover from the oil burner 1 Connect the oil pump 2 to the oil filter 3 using the included fuel hoses Make sure that the flow directions on the pump comply with those on the filter Connect the fuel line from the tank to the filter 5A The fuel line must have an outer diameter of 8 mm and must be made from copper or steel The fuel line has to be connected directly to the oil ta
22. version 3 28 5 2008 10 4 1 6 Filling the central heating system The pressure in the system should gt Never be lower than 0 5 bar cold gt Never be higher than 2 5 bar hot Follow the procedure below for filling the CH system see figure 7 gt Switch off the boiler gt Remove nob A gt Screw the adaptor 3 at the thread gt Connect the filling tube at 3 and open 5 by turning it gt Fill the system slowly with water until the pressure Figure 7 indicator indicates a pressure of 2 bar g gt Close the valve 2 gt Bleed the CH system gt If necessary fill with water again up to 2 bar of pressure gt Switch on the boiler and let the pump run for about 5 minutes gt Switch off the boiler gt Check the water pressure if it is too low repeat steps 5 through 10 gt Remove the hose Hint The CH system can be filled with cooling fluid suited for CH systems pH value 8 5 Bleeding the circulation pump The circulation pump can only be bled when the electrical circuit is connected because this bleeding has to be done with a running pump Follow the points listed below to bleed the pump see figure 7 1 Check if the rotor can rotate without problems by turning the pump by hand 2 Loosen the screw on front of the pump 1 2 to 1 turn with a screw driver 3 Fasten the srew when water comes out of the opening 4 The pump is bled Figure 8 Attention When locking p

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