Unical FOKOLUS 20, Installation And Servicing Instructions

Page 1: ...INSTALLATION AND SERVICING INSTRUCTIONS 00333936 Ed 12 2010 FOKOLUS ...

Page 2: ... 3 5 Assembly 11 3 6 Connection of the boiler to the C H system 11 3 7 Connection of the safety heat exchanger to the sewage 12 3 8 Recirculation pump 12 3 9 Assembly instructions 13 3 10 Electrical and hydraulic connection diagrams 15 3 11 Connection to the chimney 19 3 12 Filling the system 20 4 ELECTRICAL CONNECTIONS 21 5 BOILER STARTING 22 5 1 First lighting 22 5 2The wood 23 5 3The humidity o...

Page 3: ...is heating system in particular Hand over these instructions to the end user together with any other literature regarding this appliance placed inside the envelope contained in the packaging The user has to keep these documents in a safe place in order to always have them at hand for future reference Inform the user on the importance of air vents and of the flue outlet system stressing the fact th...

Page 4: ...y the instructions contained in this manual as they provide important indications regarding the safe installation use and servicing of this appliance Keep this manual in a safe place for future reference The installation and servicing must be carried out in accordance with the regulations in force according to the manufacturer s instructions and by legally competent authorized persons By a compete...

Page 5: ...refractory 2 TECHNICAL FEATURES AND DIMENSIONS Cast iron grate Horizontal smoke channels Front wood loading door with refractory insulation and equipped with secondary air inlet Lower cleaning door with refractory insulation and equipped with primary air adjuster Automatic thermostatic primary air adjuster Rear smoke chamber with inspection and cleaning opening Safety heat exchanger Boiler shell i...

Page 6: ...rence of 15K Ideal draft Chimney draft 0 3 mm w g CO emissions according to EN 303 5 Class 1 Efficiency according to EN 303 5 Class 2 MODELS FOKOLUS 20 FOKOLUS 30 FOKOLUS 40 kW 20 33 42 NOMINAL OUTPUT DIMENSIONS A B C D E F 510 776 590 946 590 1146 1260 1260 1143 106 1143 106 416 1260 1143 106 786 586 mm mm mm mm mm mm CONNECTIONS T1 T2 T3 T4 T5 UNI ISO 7 1 Øe mm UNI ISO 7 1 Rp 2 200 Rp R Rp 2 200...

Page 7: ...gh the draft regulator with a thermostatic operation mounted on a FOKOLUS it is possible to get a continuously variable quantity of air introduced into the boiler furnace This regulator by a chain link acts on the lower door of the primary air which is distributed under the grate When the prescribed temperature is reached the controller shall automatically reduce the opening of the air intake door...

Page 8: ...ses and they will be deposited in the lower zone of the rear smoke chamber from which they will be removed during cleaning The heavier residue will settle at the bottom of the wood storage and will be removed from the lower cleaning door COMBUSTION CHAMBER 2 The firewood as known normally has a moisture content higher than other types of fuels The first operation that occurs within the wood storag...

Page 9: ...ng It must be installed according to the installation rules in force in each destination country NOTE The boiler must be connected to a heating system compatible to its performance and its power The appliance must be installed by a qualified and authorised engineer under his own re sponsibility guarantees the compliance of the standards according to the latest regulations Before installing the boi...

Page 10: ...s all liability for injury to persons animals or damage to property deriving from not having respected the above mentioned recommendations Description of packages 1 Boiler body 2 Package containing the boiler casing 3 Package containing accessories and handles this package is placed inside the furnace In the documents envelope placed in the furnace are provided in Instruction manual for the user T...

Page 11: ... a vacuum cleaner POSITION IN THE BOILER HOUSE NOTE The minimum distances shown below are only binding for thermal units with capacity exceeding 35 kW fig 5 Warning Watch out to perform a connection of the C H system pipelines without points of mechanic tension to avoid the danger of leakages C H Flow and Return must be connected to the relevant connecting points of the boiler as shown on page 8 F...

Page 12: ... the back of the boiler FOKOLUS The inlet and the outlet can be reversed each other However we recommend to install the valve on the cold water inlet Warning Without this precaution any action by the temperature relief valve can cause harm to people animals and things in respect of which the manufacturer can not be held responsible 3 8 RECIRCULATION PUMP If the electrical supply is available we su...

Page 13: ...s at the upper connections B Hook the left hand side panel pos 2 to the front and rear boiler plates C Hook the right hand side panel pos 3 to the front and rear boiler plates D Fit the thermometer pos 5 to the top panel and insert its bulb to the bulb holder welded on the rear plate upper part Secure the top panel pos 4 to the two sides panels previously fitted E Fit the rear reinforcement profil...

Page 14: ...changer The safety heat exchanger will be connected to one side connections can be exchanged between them to the water mains and to the other to the sewage with a thermal discharge safety valve whose bulb will be positioned in the connection N 2 Fig 10 Mount the thermal discharge safety valve pos 1 on the inlet of the safety heat exchanger and insert its bulb into its bulb holder pos 2 It is recom...

Page 15: ...gulation via a manually controlled mixing valve It is recommended to insert on the pump supply cable a minimum thermostat with its bulb inserted into the bulb holder welded to the rear plate of the boiler FOKOLUS to enable the operation of the C H pump only when the temperature in the boiler will exceed the threshold of 65 C minimum temperature The same thermostat will turn off the C H pump if the...

Page 16: ...n of the C H pump only when the temperature in the boiler will exceed the threshold of 65 C minimum temperature The same thermostat will turn off the C H pump if the boiler temperature falls below this limit in order to safeguard the life of the boiler preventing the formation of condensate The loading pump of the D H W storage tank works with priority on the C H pump Please note that to avoid or ...

Page 17: ...s necessary to install a recirculation pump and failure to install it will void the warranty During the summer season it is advisable to produce the D H W with the auxiliary boiler or with the FOKOLUS boiler provided the instructions given in the chapter 5 10 on page 27 are strictly observed fig 15 Heating system with temperature regulation via a motorized mixing valve Domestic hot water productio...

Page 18: ...e it will void the warranty Pi C H pump VE Open expansion tank IR Central Heating System PS D H W recirculation pump controller by the thermostat positioned on the storage tank PC Loading pump of D H W storage tank Sa Room temperature sensor optional Se Outer temperature sensor Sm Flow temperature sensor TB D H W storage tank thermostat VD Manual diverting valve Ipr Recirculation pump switch fig 1...

Page 19: ...e present It is recommended to conveniently insulate this connecting pipe in order to reduce heat losses and noise 1 Boiler 2 Pipe connecting the boiler to the chimney 3 Ashes collection chamber 4 Chimney 5 External covering of the chimney 6 Prefabricated blocks 7 Insulation 8 Flue pipe 9 Chimney draft adjuster boiler An insufficient draft apart from causing a smoke leakage from the boiler causes ...

Page 20: ...ly open the appropriate filling cock and check that the automatic air vents if any fitted onto the system are working properly as soon as the water comes out from the air vents close the filling cock and then bleed off the air once again through the radiator s air vents check all the connections for soundness after having fired the boiler and the system has reached the correct temperature stop the...

Page 21: ...ut pump In any case if a pump or more pumps are fitted the appliance s electrical safety is guaranteed only when the same appliance has been correctly earthed in compliance with the regulations in force Ensure that the above safety electrical requirements subsist in case of doubt ask for a professionally qualified technician to check the electrical installation ELECTRICAL CONNECTIONS 4 ...

Page 22: ...er user The user must be instructed on the use and operation of his boiler Hand over to the end user the booklet USER S INSTRUC TIONS MANUAL as well as all the other literature concer ning the appliance which are placed in the envelope contai ned in the packaging The user must retain this literature for any future referen ce Inform the user regarding the control of the C H system water level throu...

Page 23: ... 79 0 72 0 65 0 59 0 52 5 4 WOOD LOGS DIMENSIONS The wood log dimensions combined with their humidity contribute to determine the output of the boiler Small pieces of length however conforming to the notes given below are more easily inflammable and therefore they have the tendency to increase the boiler output and to reduce therefore its autonomy Besides they fall with greater facility in the ash...

Page 24: ...UENT LOADINGS Before making a new loading of wood consume as much as possible the previous one The new loading will be done when the bed of embers on the grate will be reduced to a thickness of about 5 cm Open slowly the upper loading door Use only wood logs having a length as stated in the previous paragraph Place the new loading of wood as above described USEFUL SUGGESTIONS AND LOADING ERRORS To...

Page 25: ...CIRCUIT The smokes are reach of water steam due to the combustion and the use of wood very wet If the smokes come in contact with relatively cold surfaces having a temperature below about 60 70 C the water steam condensates and in combination with other combu stion products originates corrosion phenomena of the metal lic parts Inspect every day if there are signs of smoke con densation black liqui...

Page 26: ...quares of 15 20 cm per side with small logs see above Symptom The boiler does not reach the temperature the flame is very small Remedy Check the closing of the by pass Check the closing of the doors Not getting results refrain from further action and contact an authorized Unical service center 6 INSPECTION AND MAINTENANCE To ensure the continuous safe and efficient operation of the boiler it is hi...

Page 27: ... Carefully remove from every point any residue of combustion accumulated in the wood storage Clean with the brush supplied the upper smoke dry passages of the furnace Remove the ashes accumulated in the smoke chamber through the rear cleaning door Make sure that the slots of the grate are not clogged and if they are make free the slots with the poker s help Every month Check the operation of the b...

Page 28: ...al ag info unical ag com The Unical declines every responsibility for the possible inaccuracies if owed to errors of transcript or press Also reserves the right to bring those changes that it will hold necessary to it own products or profits without jeopardizing its essential characteristics ...