Largo - Largo Tunnel
Contents
1. Instructions for installation GB IE E Please retain this document carefully 7 CE English English LARGO INSTRUCTION FOR INSTALLATION page Foreword 2 1 Introduction 3 2 EC Declaration of Conformity 3 3 SAFETY 3 3 1 General 3 3 2 Regulations 3 3 3 Precautionary measures safety instructions regarding installation 3 Instructions 4 5 Unpacking 4 6 Installation 4 6 1 Regulations 4 6 2 Gas type 4 6 3 Gas connection 4 6 4 Positioning the appliance 5 6 5 Flue gas discharge combustion air supply system 6 6 6 Building the chimney breast 9 6 7 Installing the control box 10 6 8 Adjusting the appliance 10 6 9 Arranging the logs 13 6 10 Glass window 14 7 Wireless remote control 16 7 1 Receiver 16 8 Final inspection 17 8 1 Gastightness 17 8 2 Gas pressure pre pressure 17 8 3 Igniting the pilot and main burner 17 8 4 Flame effect 18 9 Maintenance 18 10 Completion 18 11 Troubleshooting 19 Annex1 Components supplied 21 Annex2 Technical data 21 Annex3 Spare parts 21 Foreword gt Tip IN B Ans As manufacturer of gas heating appliances DRU develops and produces products to meet the highest possible quality performance and safety requirements As a result of which the user is able to enjoy using your appliance for years to come This appliance is CE marked it complies with the essential requirements of the European Appliance Directive The appliance is s2. Removethe glass as described in section 6 10 Remove the deposit on the inside of the glass with a damp cloth or a non abrasive cleaning product such as copper polish Avoid remove fingerprints on the window as they will burn into the glass Replace broken and or cracked glass Ans If necessary place back the wood set correctly see section 6 9 Ia Inspect the flue combustion air supply system Ila Test the system as described in chapter 8 10 Completion Familiarise the user with the appliance You should instruct him her on such things as how to use the appliance and how it works how to use the remote control and about the need for annual maintenance Ans Tell the user to switch off the gas immediately and to contact the installer in the event of a failure malfunction to avoid unsafe situations Show him her where the gas tap is Ma Explain how to use the appliance and the remote control Ma Point out that when the appliance is used for the first time Ifthe chimney breast is of materials similar to stone or is finished with plaster it should be dried out at least 6 weeks before commissioning in order to prevent cracks volatile elements in paint materials etc will evaporate the first time the fire is used the fire should preferably be used at the highest setting so that these elements will evaporate more quickly the room should be well ventilated Mia Hand the user the user manual and the installation manual t
3. placed in the control box later See section 7 3 for information on how to fit the gas control block Commence as follows lt N gt Disconnect the hoses from the gas control block flexible gas hose aluminium pilot pipe and thermocouple iim Unscrew the self tapping screw in the burner plate and remove the gas control block E LLI JAN Avoid dirt in the hoses Avoid kinks in the hoses Ma Unroll the hoses towards the control box Lun Unroll the ignition wire towards the control box IN B The type plate should be connected to the chain Top view min 1070 max 1095 min 1070 max 1095 Front view Side view Front view Side view Largo tunnel min 450 Largo inside min 470 mm Largo Tunnel inside min 1450 mm inside max 100 mm min f 1350 mm x inside Total ventilation 200 cm Control box Maximale Maximale plaster line plaster line LARGO INSTRUCTION FOR INSTALLATION Ila Ma Mila Mila Engli
4. DRU The concentric system is constructed from the di scharge stump of the appliance If structural circumstances require that the concen tric system is placed first the appliance can later be connected with a telescopic pipe piece 6 5 2 Application with wall duct 6 5 2 1 Construction of concentric system with EIU wall duct The concentric system with wall duct has to comply with the following conditions First a concentric pipe of atleast 1 meter should be connected vertically to the appliance The total vertical pipe length can have a maximum of 4 meters After the vertical part a bend of 90 is connected When using a minimum 1 up to maximum 4 meter vertical pipe length the total horizontal pipe length may have a maximum of 3 meters wall duct not included see Fig 40 Depending on the construction of the concentric system further adjustments should be made to the appliance The next 2 configurations are allowed for the construction 1 a minimum 1 meter up to maximum 4 meter vertical pipe length in combination with a 90 bend and a wall duct i e no horizontal part see Fig 4b When using this configuration you must not remove the air inlet guides When using this configuration you must not set the restriction 2 a minimum 1 meter and maximum 4 meter vertical pipe length in combination with a 90 bend and a maximum 3 meter horizontal pipe length and a wall duct see
5. low Magnetic valve is damaged Switch button A on the gas control block to ON see Photo 16 Increase the flame height by pressing Vv button on the remote control Test the pre pressure Contact the power company if necessary Replace the gas control block 20 LARGO INSTRUCTION FOR INSTALLATION Annex Components supplied The table below specifies the components supplied with the appliance Table 4 Components supplied Component Quantity Order number Set of Logs 1X 806751 Control box 1X 26280 Control box manual 1X 957 577 Installation manual 1X 959 009 User manual 1x 958 010 Decorative strip left Largo 1x 38724953 Largo tunnel 2x Decorative strip right Largo 1x 38724954 Largo tunnel 2x Decorative strip bottom Largo 1x 38741553 Largo tunnel 2x Baffle template 1X 38714626 Baffle 1X 38741224 Raw plugs M8x140x50 2X 509330 Hexagonal nut M3 AX 521308 Washer 8 4 mm AX 525070 Spare self tapping screws for the glass window Socket spanner 8 mm 1X 790811 Remote control with receiver ix 806756 9V square battery 1X 923001 Penlight battery AA type 4X 923100 Pressure coupling 15 mm x G3 8 1X 149234 Annex 2 Technical data The technical data for the Largo Largo Tunnel are given in the table below Table 5 Technical data Type C11 C31 Gas type G25 G20 Burner pressure
6. pipe to the gas tap ni La Bleed off the air in the gas pipe 2 IS Fit the receiver 3 see section 10 1 for connections LLI imb Fit the type plate 6 imb Fit the outer frame with door 4 to the inner frame using the two self tapping screws 5 Tip You can position the outer frame in such a way that the door opens to either the left or right 6 8 Adjusting the appliance The appliance has to be set in such a way that it works correctly in combination with the discharge system For that reason it is possible to place a baffle and or remove the air inlet guides The conditions for use with a wall duct are given in section 6 5 2 1 and for use with a roof duct in section 6 5 3 1 Ans For Belgium the condition applies that the primary aeration of the middle main burner has to be changed when the appliance is used with gas G25 instead of G20 see section 6 8 3 6 8 1 Baffle The baffle see Fig 6a is supplied separately This is mounted as follows see Fig 6b mp Place the baffle IL Use the template supplied to set the distance of the restriction see Fig 7 mp Fix the baffle in position with the socket head screw see Fig 6a md f A eng ne P _ Pe Wa a E i ZZZ 38c 1268 38c 1269 10 LARGO INSTRUCTION FOR INSTALLATION gt gt I Ma Ans Ma gt gt gt Ma g
7. Fig 4a When using this configuration you must remove the air inlet guides see section 6 8 When using this configuration you must not set the restriction LARGO INSTRUCTION FOR INSTALLATION I Ans In gt gt gt gt gt IN B I I IN B In I In In I I 6 5 2 2 Installing the concentric system To install the concentric system commence as follows Construct the system from the connection stub of the appliance up Maintain a distance of at least 50 mm between the outside of the concentric system and the walls and or the ceiling If the system is built into a cove for example incombustible material should be applied all around Use heat resistant insulating material for ducts made of combustible material The rosette mounting inner plate of the wall duct is too small to seal the 250 mm opening when passing through combustible material That is why you should first apply a sufficiently large heat resistant intermediate plate to the wall Then the rosette is mounted on the intermediate plate Connect the concentric pipe sections and the bend s Fit a clamping strip and silicone sealing ring to every connection Secure the clamping strip with a self tapping screw in places which will be inaccessible after installation Use enough brackets to ensure that the weight of the pipes does not rest on the appliance Determine the remaining length of the wall duct Cut the wal
8. aintenance Always observe universal regulations and the precautionary measures safety instructions in this manual Ma Ma Ila Ma gt gt gt gt gt gt gt Ma gt gt gt 3 2 Regulations The appliance should be installed in compliance with current national local and constructional installation regulations 3 3 Precautionary measures safety instructions regarding installation Observe the following precautions safety regulations precisely You may only install and or service this appliance if your are a qualified installer skilled in installing decorative gas fires do not adjust the appliance in any way Non combustible and heat resistant materials should be used to construct the chimney breast its rear wall the inte rior and the top of the chimney breast the minimum internal dimensions required for the chimney breast must be taken into account the chimney breast should be ventilated by vents with total free vent area of 200 cm only use the flue combustion air supply systems supplied by DRU use the wall brackets supplied to mount the appliance do not install the appliance flat against the back wall leave the space between the feet free do not cover and or pack the appliance with an insulating blanket or any other material Keep combustible objects and or materials at a minimum distance of 500 mm from the appliance only use the log set supplied arrange the logs exactly as desc
9. aling cord Gently allow the glass frame to drop at an angle until it can be removed entirely from the mounting 6 10 2 Fitting the glass window The glass frame is fitted by using the above procedure in reverse order Avoid remove fingerprints on the glass since otherwise they will burn into the surface The self tapping screws must not be over tightened since otherwise they could break or strip the thread tight tight Replace the fastening strip if the sealing cord has come loose Pay attention to the following when fitting the glass frame Begin by checking that the two fastening strips are pressed outwards as far as possible to avoid damage to the sealing cord Fit the glass frame Check that the hook at the top of the glass frame is in position in the seating U shaped strip Pull on the upper handgrip to move the glass frame towards you if it does not move then it has been fitted correctly Fix the glass frame s bottom strip in place with the 4 self tapping screws Push both bottom wedges downwards Push the top wedges upwards until the sealing cord of both fastening strips press against the glass Tighten each wedge s self tapping screw Press on the wedge with your hand to hold it in place while you tighten the screws Tighten the middle self tapping screw in each fastening strip Fit the horizontal decorative strips Fit the vertical decorative strips 14 LARGO INSTRUCTION FOR INSTALLATION Pho
10. ance N B Prevent any dirt getting into the gas pipes or connections The following requirements apply for the gas connection IL the size of the gas pipe should be such that no pressure loss can occur gt the gas tap must be CE marked IL the gas tap should be accessible at all times gt Do not twist the gas tap when connecting the gas pipe LARGO INSTRUCTION FOR INSTALLATION 6 4 Positioning the appliance Position the f re as follows JAN Keep combustible objects and or materials at aminimum distance of 500 mm from the appliance Do not adjust the appliance in any way mp Determine the position of the appliance D 4 Create a gas connection in the appropriate position see section O for details ime Create a duct for the flue combustion air supply system with the diameter shown below see section 6 5 for details imb 0160 mm for a wall duct of incombustible material imb Q 250 mm for a wall duct of combustible material gt 0160 mm for a roof duct of incombustible material gt Q 250 mm for a roof duct of combustible material IN B Allow for the depth of the appliance see Fig 2 Largo minimum of 450 mm Largo Tunnel minimum of 470 mm Allow for the build in height this will depend on the height of the adjustable feet see Fig 1 Ma Move the appliance into its intended position The gas control block is mounted onto the burner plate at the bottom of the appliance This should be removed and
11. ber of meters of vertical and or sloping pipe length wall duct not included With these data and Table 1 you will be able to determine whether the concentric system is allowed In Table 2 you can see which setting the appliance needs Follow the procedure described below In the first 2 columns of Table 1 look for the number of bends required and the total horizontal pipe length In the 3rd column of Table 1 look for the total vertical and or sloping pipe length If you end up in a box with the letter A B C or D the concentric system chosen by you is allowed Use Table 2 to determine which conditions apply for the baffle and or the air inlet guides for setting see section 6 8 English English UK LARGO INSTRUCTION FOR INSTALLATION Examples To clarify we will give 2 examples to determine the allowability of a concentric system and the conditions for setting the appliance In Table the route to be followed is indicated by arrows The result is indicated by a box with a red border Example 1 2 bends 2 3 meters horizontal 3 8 meters vertical sloping gt Construction of this concentric system is allowed Situation C applies for the adjustment of the appliance Example 2 1 3 bends 2 4 meters horizontal 3 10 meters vertical sloping Construction of this concentric system is not allowed Table 1 Determination of the permissibility of a concentric system with a roof duct Total
12. cks or leaks 6 6 Building the chimney breast The appliance is designed to be installed snugly into a newly built chimney breast There must be sufficient space around the appliance to ensure a good heat distribution The chimney breast should be ventilated by vents Use incombustible and heat resistant material to construct the chimney breast including rear wall of the chimney breast The total free vent area of the vents installed as high as possible should be at least 200 cm When building the chimney breast the following points should be taken into account see Fig 2 position of the control box this should be placed within 850 mm to the left or right of the appliance as low as possible size of the control box see section 8 2 Installing the control box position of the vents the size of the glass window so that it can be fitted removed once the chimney breast has been built protecting the gas control block and hoses from cement and plaster The vents should preferably be created in both sides of the chimney breast you could use DRU ventilation elements Check that the concentric system has been installed correctly Check that the clamping strips have been secured with self tapping screws in places which will be inaccessible later Allow sufficient clearance round the appliance in the chimney breast to enable the heat to disperse minimum internal height 1350 mm minimum internal width 1450 mm Do no
13. e Photo 16 2 Ignition wire lying across 2 Do not let the ignition wire touch any and or beside metal compo thing metal This will weaken the spark nents see 2 Ignition wire lying across and or along beside metal components Replace the ignition wire if necessary 3 lgnition pen corroded 3 Replace the ignition pen C No bleep 1 Receiver is damaged 1 Replace the receiver and confirm change the code solution 1 at A D One continuous 5 second bleep 1 Loose wiring 1 Connect the wiring correctly There may be 7 short bleeps 2 Receiver is damaged 2 Replace the receiver and confirm change before the 5 second bleep the code solution 1 at A 3 Bent pins on the 8 pin con 3 Straighten the pins on the 8 pin connector nector 4 Magnetic valve is damaged 4 Replace the gas control block E No pilot 1 Air in the pilot pipes 1 Purge the pipes or restart the ignition process several times 2 Thermocouple wires round 2 Check the polarity of the thermocouple the wrong way wiring Connect the thermocouple correctly 3 No spark at the pilot burner 3 Check that the ignition wire is not tou ching anything metal Move it if necessary see Photo 16 Replace the ignition wire if necessary If necessary replace the ignition pen 4 Injector is blocked up 4 1 Clean the injector 4 2 If necessary replace the injector F Electronics keep sparking when the pilot burner is burning Receiver is damaged R
14. eplace the receiver and confirm change the code solution 1 at A 19 English English LARGO INSTRUCTION FOR INSTALLATION Pilot burner is burning but the magnetic valve closes after approx 10 seconds or when the appliance gets too hot 1 Thermocouple is not working Batteries almost dead 1 2 1 3 Measure the voltage with a digital multi meter set to mV range by connecting the wires to the cable terminal The cable ter minal is on the outside right next to the magnetic nut see 2 Batteries almost dead see Photo 19 The voltage should be at least 5mV within 20 seconds This must not be any lower when the appli ance is hot If the voltage is too low then the thermocouple should be moved so that it is in the flame more or the thermocouple should be replaced Check the size of the pilot Adjust the pilot if it is too low Check the wiring between the thermocou ple and the receiver Replace the wiring if necessary Replace the battery There are short bleeps but no sparks and is no sound ticking can be heard of the magnet opening the valve Batteries almost dead Replace the batteries IN B Avoid short circuits between the batte ries and metal parts of the appliance Pilot burner is on but there is no gas flow to the main burner Button A is set to MAN Appliance is set to pilot mode Pre pressure is too
15. f necessary Once the packaging material has been removed you should have the following components Socket spanner You will find this in the space between the assembly frame and the combustion chamber Trimmings These are in the same space Once you have removed the glass pane you can remove the box of components from the combustion chamber IN B Be careful not to damage the glass when removing fitting the window pane impe Remove the window as described in paragraph 6 10 1 Ma Take the box of components out of the combustion chamber Annex 1 Table 4 specifies the components you should have once everything has been unpacked Ma Contact DRU Service if after unpacking the appliance you do not have all the components gt Dispose of the packaging in an appropriate manner 6 Installation Please read the manual carefully to ensure that once installed the appliance will work correctly and safely IN B Install the appliance in the order described in this chapter 6 1 Regulations Observe the current applicable installation regulations Observe the regulations instructions laid down in this manual 6 2 Gas type The type plate specifies the type of gas gas pressure and the country this appliance is intended for The type plate is on a chain and that is where it should stay Ans Check that the appliance is suitable for the local gas type and pressure 6 3 Gas connection The gas connection should have a gas tap located near the appli
16. ght up IN B Donotputthe aerial too close to the ignition wire and or metal parts see Photo 16 for the correct position Do notlay the ignition wire across and or beside metal parts this will weaken the spark Do not lay the ignition wire across the receiver this could damage the receiver Avoid dust accumulating on or in the receiver cover it during servicing or maintenance 7 1 1 Fitting replacing the batteries To fit the batteries Ila Open the flap on the control box MS Take the receiver Lun Slide the lid off gt Fit or remove the 4 penlight AA size batteries IN B Avoid short circuits between the batteries and metal objects components Note the and positions of the batteries in the holder Use alkaline batteries Ila Slide the lid back on Ia Replace the receiver IN B Do not throw batteries in the dustbin they are considered domestic chemical waste and should be disposed of accordingly 16 LARGO INSTRUCTION FOR INSTALLATION RE EN y d F Py f y y s 5i i del J h T Pi Photo 16 EN xcci 8 Final inspection To ensure the appliance is working correctly and safely check the following before use 8 1 Gastightness N B All connections must be gastight English IN B Themaximum pressure to which the gas control block may be exposed is 50 mbar IL Test the connections for gastightness 8 2 Gas pre
17. he installation manual should be kept near the appliance 18 LARGO INSTRUCTION FOR INSTALLATION 11 Troubleshooting A number of faults which could occur their possible causes and solutions are shown in the table below Table 3 Troubleshooting Problem Possible cause Solution A No transmission motor doesn t work 1 The new communication code between the receiver and the remote control has not been confirmed l Press and hold the reset button on the receiver until you hear 2 bleeps After the second longer bleep release the reset button and within 20 seconds press W on the remote control until you hear an extra long bleep which con firm the new code see Photo 17 2 Dead batteries 2 Replace the batteries IN B Avoid short circuits between the batte ries and metal parts of the appliance 3 Receiver is damaged 3 Replace the receiver and confirm change the code solution 1 4 Remote control is damaged 4 Replace the remote control and confirm change the code solution 1 5 Motor wiring broken at the 5 Replace the motor wiring at the valve valve 6 Bent pins on the 8 pin con 6 Straighten the pins on the 8 pin connector nector 7 Ifthe receiver is surrounded 7 Change the position of the aerial by metal the transmission range may be reduced B No ignition spark 1 Button A is set to MAN 1 Switch button A on the gas control block to ON se
18. ing material for ducts made of combustible material Some heat resistant isolation materials contain volatile components that will spread an unpleasant smell for a pro longed time these are not suitable Connect the concentric pipe sections and any necessary bends Fit a clamping strip and silicone sealing ring to every connection Secure the clamping strip with a self tapping screw in places which will be inaccessible after installation Use enough brackets to ensure that the weight of the pipes does not rest on the appliance Determine the remaining length of the roof duct Cut the roof duct to size Be sure to maintain the correct insertion length Connect the roof duct to the concentric pipes Make sure the universal roof tile fits well against the surrounding tiles Make sure the adhesive flashing sticks to the flat roof properly English 6 5 4 Connection to an existing flue The appliance can also be connected to an existing flue A flexible SS pipe is placed in the chimney for discharging flue gases The surrounding space is used to supply the combustion air The following requirements apply for connection to an existing flue allowed only if the special DRU chimney connection set is used Installation instructions supplied minimum dimensions 150 x 150 mm maximum vertical length 12 metres maximum horizontal length 3 metres the existing flue must be clean the existing flue must not have any cra
19. ite see Photo 2 chippings see Photo 3 chips and a number of logs Observe the instructions below precisely to avoid unsafe situations only use the log set supplied arrange the logs exactly as described do not cover the pilot burner or the surrounding area do not cover the slot between the burner tray and the tray around the burners do not sprinkle the fine vermiculite particles on the burners do not place chips on the burner teeth as shown in Photo 8 Fill the burner tray with the vermiculite spreading it out evenly Youcan alter the flame effect by moving the vermiculite but the burner cap must be covered by vermiculite to preserve the useful life of the burners Fill the tray around the burners with chippings spread them out evenly Identify the logs A D using Photo 4 for reference 13 English English LARGO INSTRUCTION FOR INSTALLATION Tip Ma Ma gt gt gt Ila Ila IN B gt I I I I IN B Ma IN B gt gt gt ITip IN B Ila Ma gt IN B gt gt gt The burn marks on the logs will help you identify them Place block A around the middle main burner This can only be done in one way see Photo 5 Install block B C and D see Photo 6 7 and 8 Then place the 4 chips in position see Photo 8 6 10 Glass window Once the logs have been arranged the glass window can be fitted as described below 6 10 1 Removing
20. l duct to size Make sure that the right insertion length is maintained Place the wall duct with the groove folded seam at the top Make sure the horizontal concentric pipe pieces are sloping towards the wall duct in order to prevent rain water from entering Mount the rosette mounting inner plate if necessary on a heat resistant intermediate plate when passing through combustible material Attach the wall duct from the outside with four screws in their respective holes Some heat resistant isolation materials contain volatile components that will spread an unpleasant smell for a pro longed time these are not suitable 6 5 3 Application with roof duct 6 5 3 1 Construction of concentric system with roof duct The concentric system with roof duct has to comply with the following conditions The construction of the chosen system has to be allowed See the procedure described below First a concentric pipe of at least 1 meter should be connected vertically to the appliance Depending on the construction of the concentric system the appliance is set by placing the baffle and or removing the air inlet guides In the following procedure you can see how the allowability of a concentric system can be determined and which settings are needed Determine the following data 1 The number of bends required no distinction is made between 45 and 90 bends 2 The total number of meters of horizontal pipe length 3 The total num
21. mbar 22 4 18 0 Nominal Load Hs kW 11 8 13 0 Nominal Load Hi kW 10 7 11 7 Nominal Capacity kW 8 0 9 0 Consumption L h 1290 1223 Burner jet glow burner mm 2x 1 20 2x 1 20 Burner jet yellow flames mm 2x 0 95 2x 0 95 Burner jet main burner mm 1x 1 40 1x 1 40 Consumption on stand by L h 780 736 Fine adjustment jet mm 230 2 30 Pilot jet Code 51 51 Efficiency category 2 B Annex 3 Spare parts Spare parts are available from www druservice co uk 21 English LARGO 22 LARGO 23 x ci Q a o Q a LA OY f EN N DRU Verwarming B V The Netherlands Postbus 1021 NL 6920 BA Duiven Ratio 8 NL 6921 RW Duiven
22. number of Total number of meters vertical and or inclined pipe length G20 G25 meters horizontal pipe length 1 2 3 5 6 7 18 9 Lio n 4 12 nobends o 18 BPC cic o op D D D D D ICE C D 2 bends O B C 1 B B C 2 A B B 3 A A B 4 A A 5 3 bends O l 2 3 4 5 1 2 3 4 5 3 Situation is not allowed Table 2 Conditions for the adjustment of the appliance with a roof duct G20 G25 Situation Air inlet guides Baffle Distance of restriction in mm A NO NO OPEN B YES YES 54 C YES YES 49 D YES YES 44 LARGO INSTRUCTION FOR INSTALLATION Il JAN IN B Us gt gt gt gt gt IN B In IN B Ans IN B Tip In In I I In 6 5 3 2 Installing the concentric system The roof duct can be used for either a sloping roof or a flat roof The roof duct can be supplied with an adhesive plate for a flat roof or with a universally adjustable tile for a sloping roof Install the concentric system as follows Construct the system from the connection stub of the appliance up Maintain a distance of at least 50 mm between the outside of the concentric system and the walls and or the ceiling If the system is built into a cove for example incombustible material should be applied all around Use heat resistant insulat
23. ribed leave a space around the pilot burner avoid any dirt in the gas pipes and connections English LARGO INSTRUCTION FOR INSTALLATION IL test the gastightness of all connections before use gt use heat resistant electrical connection materials IL install the electrical connections away from the appliance IL replace torn or broken panes Ia avoid blocking the explosion hatches Ia ensure the explosion hatches on top of the heater are right on their seats before you close the chimney breast Ma do not ignite the appliance until installation has been completed 4 Instructions To ensure the appliance works correctly and safely always take the following points into consideration during installation IL place the control box supplied as low as possible a ensure the ignition wire does not lie across the receiver Ma ensure the ignition wire does not touch or cross the aerial Ma to avoid weakening the spark ensure the ignition wire does not touch anything metal Ia if the appliance is to be built in flush with the wall finish the edges neatly Ia do not plaster over the flanges Ia avoid damaging the glass when removing fitting the window pane Ia to prevent dirt burning into the glass make sure it is clean before use 5 Unpacking Please take the following points into consideration when unpacking the appliance English Ma Check the appliance for transit damage Ila Contact DRU Service i
24. sh lla Ip lla lla N B Ans Lay the chain with the type plate facing the control Wall brackets box Adjust the height of the appliance Using a spirit level to ensure it is absolutely level Do not install the appliance flat against the back wall Leave the space between the feet free Do notcover and or pack the appliance with an in sulating blanket or any other material Secure the appliance against the wall using the wall i brackets and rawplugs supplied see Fig 3 3801267 6 5 Flue gas discharge combustion air SAPIGSIR pyi pass Valvas supply system 6 5 1 General The appliance is of the C11 C31 type The appliance is connected to a combined flue gas discharge combustion air supply system hereafter referred to as the concentric system The passage to the outside can be made with a wall duct see section 6 5 2 or with a roof duct see sec tion 6 5 3 If necessary you can also use an existing discharge channel see section 6 5 4 Only use the concentric system supplied by DRU 8100 0150 mm This system was tested in com bination with the appliance DRU cannot guarantee 38c 44f a proper and safe operation of other systems and cannot accept liability for these systems For connecting to an existing chimney flue you should only use the installation set supplied by
25. ssure pre pressure The burner pressure is factory adjusted see type plate It is not necessary to test the burner pressure The pre pressure in domestic installations should be tested however as this can vary Ma Check the pre pressure see Photo 18 for the measuring nipple on the gas control block Ila Contact the power company if the pre pressure is not right 8 3 Igniting the pilot and main burner 8 3 1 Pilot Ma Test that the pilot ignites properly see the User manual section 4 2 Remote control the pilot burner should ignite at the first attempt If the pilot does not light then Ila Check whether or not the ignition sparks a If not the ignition wire is probably touching something metal b If it does there is probably air in the pipes IL Bleed off any air in the pipes and or gt Move the ignition wire so that it does not touch anything metal 8 3 2 Main burner N B The burner should ignite evenly and should not pop as a result of delayed ignition a Test the working of the main burner from stand by pilot mode see the User manual section 4 2 Remote control Ia Once the gas valve has opened the main burner should ignite within a few seconds Tip When the gas valve opens the motor will start to run this is audible a 13 L E oo n 17 LARGO INSTRUCTION FOR INSTALLATION If the main burner does not ignite then Ia Check that button A on the gas control block is set to ON Ia Check tha
26. t gt gt 6 8 2 Air inlet guides The air inlet guides are located at the bottom side of the tray surrounding the burners see Fig 8 Remove as follows see Fig 8 and Fig 9 Take the tray surrounding the burners out of the appliance Unscrew and remove the 4 self tapping screws Remove the air inlet guides Fit the tray surrounding the burners back in the appliance 6 8 3 Primary aeration of the burner Adjusting the primary aeration applies only to appliances used in Belgium Removing the middle main burner provides access to the baffle used to adjust the primary aeration see Fig 10 Follow the procedure below Remove the tray around the burners see Fig 8 Unscrew the 2 self tapping screws at the end sides of the middle main burner Remove the burner from the appliance Unscrew the 2 self tapping screws in the baffle Fig 70 7 Slide the baffle as far as possible in the direction of the injector see Fig 10 arrow Retighten the self tapping screws English Fasten the burner to the appliance with the self tapping screws Fit the tray surrounding the burners 38c 1270 English LARGO INSTRUCTION FOR INSTALLATION 12 LARGO INSTRUCTION FOR INSTALLATION Ans In IN B I I 6 9 Arranging the logs The appliance is supplied with a set of logs The log set consists of vermicul
27. t plaster over the flanges because the heat from the appliance could cause cracks it will then be impossible to remove fit the glass window If the chimney breast is of materials similar to stone or is finished with plaster it should be dried out at least 6 weeks before commissioning in order to prevent cracks LARGO INSTRUCTION FOR INSTALLATION 6 7 Installing the control box The control box is to be installed as low as possible The control box contains various components such as the type plate the gas control block and the receiver for the remote control See Fig 5 for details Ia Make a 285 x 194 mm h x w opening in the chimney breast gt Fit the inner frame 1 to do this unscrew the bolts 5 ITip Ifthe chimney breast is brick the inner frame can be cemented in during building For a chimney breast of any other material glue cement the inner frame in place or fit it with four countersunk screws Ia Mount the gas control block on the brackets 2 on the inner frame Ia Reconnect the hoses to the gas control block Ans Avoid kinks in the hoses Tighten the flexible hose and aluminium pipe making sure they are gastight Screw the thermocouple on by hand first and then then tighten it a quarter turn using a suitable spanner gt Connect the thermocouple wiring to the gas control block if necessary see Photo 1 IL Blow through the gas pipe if necessary C L4 Connect the gas
28. t the space round the pilot is free Ia Check that the logs have been arranged correctly Ila Resolve any of the above as necessary IL Test the main burner 5 times to ensure it is working properly 8 4 Flame effect The flame effect cannot really be assessed until the fire has been on for several hours Volatile elements in paint materials etc which evaporate during the first hours of use will initially influence the flame effect IN B If the chimney breast is of materials similar to stone or is finished with plaster it should be dried out at least 6 weeks before commissioning in order to prevent cracks Ia Check that the flame effect is symmetrical An asymmetrical flame effect could be caused by volatile substances evaporating incorrectly arranged logs Ia Rearrange the logs as necessary The appliance should be inspected cleaned and if necessary repaired by a qualified installer with professional expe English rience of decorative gas fires at least once a year The appliance should at least be tested to check it works correctly and safely Ans Switch off the gas before commencing any maintenance Test the gastightness after any repairs Afterreplacing the thermocouple you should first tighten the swivel of the gas control block by hand and then give it another quarter turn with a suitable spanner Ia Clean the following components if necessary the pilot burner the combustion chamber the glass IN B
29. the glass window Remove the glass frame in accordance with the following instructions see Photos 9 to 14 Remove the vertical decorative strips on the left and right of the glass frame by pushing the lip at the top of each strip up tilting the top of the strip parallel with the glass frame and then removing the strip Remove the horizontal decorative strip by gripping it with 2 hands in the slot and lifting it out Unscrew the 4 self tapping screws in the bottom strip using the socket spanner supplied with the appliance Loosen the 3 self tapping screws in the fastening strips on both sides 2 turns Do not remove the self tapping screws leave them in place in the fastening strips Push the 2 top wedges left and right down as far as possible Push the 2 bottom wedges upwards as far as possible Press the two fastening strips outwards with your hands as far as possible to avoid damage to the sealing cord Take hold of the top and bottom handgrips and lift the glass frame Pull on the bottom handgrip to tilt the glass frame in its mounting towards you and at the same time pull the top of the glass frame towards you as far as possible Make sure you hold the upper handgrip firmly If you let go of the handgrip then the glass frame could fall inwards and cause severe damage to both the glass and the appliance Make sure that you lift the glass frame out of its mounting as straight as possible to avoid damage to the paintwork and the se
30. to ob Photo 12b English 15 LARGO INSTRUCTION FOR INSTALLATION 7 Wireless remote control See Chapter 4 ofthe User Manual Remote Control for details of how to operate the system The remote system consists of a remote control system and a receiver English The procedure for connecting the receiver has been described below the working of the remote control system has been explained in detail in Chapter 4 4 2 ofthe User Manual 4 4 2 7 1 Receiver The receiver must be connected to the appliance before the batteries are inserted Do this as follows see Photo 15 IL Slide the brown plug off the lead at the back on the PCB of the receiver Ila Connect the white plug to the gas control block ITip the plugs are different sizes and correspond with the connectors Ia Connect the thermocouple wires to the receiver see Photo 15 arrows B ITip the size ofthe eye corresponds with the size of the screw the colour of the eye and screw also correspond Ia Connect the ignition wire to the receiver see Photo 15 arrow A Ia Connect the power supply a For batteries see section 7 1 1 below b For an adapter connect the adapter to the receiver see Photo 15 arrow C plug the adapter into the wall socket Ila Place the receiver in the control box Position the receiver as shown in Photo 16 Ia Bend the aerial out of the clips see Photo 15 arrow D Ma Put the aerial strai
31. upplied with two manuals the installation manual and the user manual You the installer should be professionally skilled in the field of decorative gas heating The installation manual gives you all the information you will need to be able to install the appliance in such a way that it works correctly and safely This manual deals with the installation of the appliance and the appropriate regulations It also includes the techni cal data for the appliance and information on maintenance and troubleshooting Please read and use this installation manual carefully In the manuals the following symbols are used to denote important information What to do Suggestions and recommendations These instructions are important to avoid possible problems during installation and or use These instructions are important to avoid fire personal injury or other serious damage Once you have completed the installation you are to hand both the user manual and this installation manual to the user LARGO INSTRUCTION FOR INSTALLATION 1 Introduction The appliance is available in two models the Largo and the Largo Tunnel The Largo is a standard gas fire and should always be installed against a wall The Largo Tunnel is just that a tunnel fire with both a front and back window The Largo and the Largo Tunnel are closed decorative fires A closed tunnel draws its combustion air from outside and not from the living area This is done by
32. way of a combined system that discharges the flue gases and supplies the combustion air In this concentric system the outer pipe serves as air supply and the inner pipe as the flue This system can be installed through either the outer wall or the roof The appliances are built into a chimney breast The DRU product range includes several chimney breasts The chimney breast must be well ventilated to ensure a good heat distribution DRU can supply various ventilation elements The appliances are supplied with a wireless battery operated remote control 2 EC Declaration of Conformity We hereby declare that the design and construction of the decorative gas heating appliance marketed by DRU con forms with the essential requirements of the Gas Appliance Directive This declaration will be rendered invalid should the appliance be altered in any way without the written consent of DRU Product Type Applicable EC Directives Applicable harmonised standards Decorative gas heating appliance Largo Largo Tunnel 90 396 EEC NEN EN 613 NEN EN 613 A1 In house measures guarantee that serially produced appliances always conform with the essential requirements of the current EC Directives and the applicable standards R Gelten DRU VERWARMING B V Postbus 1021 6920 BA Duiven Ratio 3 6921 RW Duiven www dru nl 3 SAFETY 3 1 General Ans Please read this chapter on safety carefully before commencing installation or m
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