INSTALLATION AND OPERATION MANUAL FOR PELLET BOILER
Contents
1. oom diii uci CLE ee Se2. www tangra bg 359 887 73 73 75 1331 174 gt 6 GRA HEATING VENTILATION AIR CONDITIONING Head office 1 ANGRA AV OOD West industrial zone Warehouse of Inkoves EOOD behind the printing house Varna East 611767 arna tangra beg Office Bourgas 6 Trans a T tel 359 56 861200
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28. 1 1 O JO i H Hez ES 1 1 NEM USINA 5 ozo ECET H O tO 230VAC As standard the controller has one output for control of one circulating pump In case you install more than one pump should be used additional control panel which is available as an option to the boiler www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 8 eos TEET pAlg edouna PZT OT 90 S26 Z 6SE 8q e38UeT MMM unlocked j i Parameters Table with all on page Digital inputs 49 043u02 JO 2 Analog inputs Analog inputs L3 J indication indication X EEL 1rd PLI of et E a l G B B Digital outputs Digital outputs Every output of the controller could be acctivated separetely for diagnostic and verification i Circulation i i of the outputs ELI I LI m LI ty A ri r1 0 0 rj Min Rin I HEEM HEE Number of ignitor starts overheatings ried Sh Se Eta CHE Service counters Number of Unsuccessful ignitions L Een Cen Soi Geis cous GA ee al a e d t E t Recorded errors ist with all crrors could find on pege Logs E001 Keyboard error E004 Motherboard communication error E108 secu
29. 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 10 KE ET PEE bd es HHHH Emergency stop button Turn off whole power supply of E the boiler 9 e Emergency stop button should be used only in case of accident Turning the boiler off with the emergency stop button can affect the operation of the unit and it is not recommended by the manufacturer 5 Preventive maintenance 5 1 Cleaning of the combustion chamber accumulation of ash depends mainly of the quality of the pellets and operation hours of the boiler The boiler is supplied with tray and blades to collect the ashes We recommend once a week to check the amount of ash collected at the bottom of the combustion chamber and if necessary to clean it 5 2 Annual maintenance this should be done once a year or after 5 tones of pellets are burned The annual maintenance should be done by authorized organization This includes testing of the systems and general cleaning of the burner combustion chamber pipes and upper flue gas chamber E Annual maintenance is a compulsory part in connection with warranty service In case of rejection incorrect work alarm messages on the display you should contact your service provider and follow his instruction You can also receive additional help and instructions from the manufacturer using the contacts mentioned below Tangra AV Ltd Address 174
30. p 5 p 5 p 6 p 7 p 9 p 9 p 9 p 9 p 10 p 11 p 11 p 11 p 11 p 12 p 12 p 12 p 12 p 13 p 13 p 14 p 15 p 16 p 18 p 18 p 18 p 21 1 Safety instruction This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety The boiler is installed in separate rooms with floor and walls of fire resistant material with sufficient flow of fresh air The boiler is installed and works only in areas without high humidity It is not acceptable to exposed the boiler to dripping or splashing water Cleaning the boiler is dry or lightly moistened with water or neutral detergent cloth The use of abrasive or aggressive pochistvashi preparations Do not allow installation of the boiler on pallet Installation and putting into operation of the boiler must be carried out by trained and authorized by the manufacturer installers When connecting the boiler to the electrical supply it should provide a tool of exclusion from power which provides separation of contacts for all poles in terms of overvoltage category Appropriate tool is bipolar circuit breaker 6A 250V Connecting the boiler to the electric supply must be carried out by a specialist and with solid connection It is not allow using plug type Schuko o
31. to be changed Guarantee period is interrupted for the period of time from the claim until the repair of the damage The guarantee period of each unit is 24 twenty four months The guarantee period of hydraulic density of the unit is 60 sixty months A AN The guarantee is valid if the customer presents the original guarantee card and the invoice www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 12 SERVICE INSTRUCTION FOR PELLET BOILERS CL 35 Installation requirements 1 1 Requirements for the chimney Water heating pellet boiler CL 35 should be connected to the insulated system to take the flue gases off This system should be made of non combustion materials with minimum diameter 150mm 1 2 Requirements for the heating installation The installation of the water heating boiler 35 should be done only by qualified specialists certified as installers by the manufacturer According to BDS EN 303 5 2000 should be connected to the following systems High temperature until 90 C closed water heating system with open or closed expansion tank with maximum working pressure 2bar When the system is supplied with closed expansion tank it should be with minimum volume 35 I and pressure safety valve to 4bar Low temperature until 55 C water heating system under floor heating or fan coil units closed or opened type Mixing unit should be installed in order to decrease
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33. Set the system for forced cleaning with the system for forced cleaning of the burner we could set the maximum time between to cleanings regardless if the boiler reached its set temperature RTC R1 impulse relay to set the duration of work between two cleanings recommended values from 30min to 10 hours depending of the quality of the pellets RTH R2 impulse relay to set the time when the boiler is in Off mode to made this cleaning process recommended values from 5 to 10 min Setting range Switch Time __ Position OFF forced cleaning system work Position ON system is shunted The boiler does not perform forced cleaning Working principle the system for forced cleaning receive signal from the ignitor When the ignitor turn on RTC R1 goes into RESET constant light signal After the light signal from the burner is off starts counting of the set time the lamp is blinking After the set time is over the boiler turn off and relay RTH R2 count the time needed for the cleaning process After the set time of relay RTH R2 is over the boiler turn on and repeat the process 6 2 6 Set the temperature in the boiler From menu Temperature set the water temperature in the boiler When the boiler reaches this temperature it will turn automatically in modulation mode and after 5 C will turn off Example set 65 C water temperature the boiler will slowly decrease its capacity and when it
34. choose Auto Remove the plug of the main auger of the burner Press and hold the button on off until on the display is On Wait minimum 60 s Place a plastic bag at the end of the flexible connection Take out the flame sensor Connect the plug of the main auger to the burner After 60 s the main auger will turn on Measure the quantity of pellets passed through the main auger for 6 min This quantity multiplied by 10 gives the amount of fuel in kg h kW Fuel 2 6 3 1 3 7 4 1 4 7 5 2 5 7 6 2 7 4 kg h www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 6 2 3 20 Press and hold on off button until the display shown Off Return the flame sensor After 60 120 s the boiler will terminate loop of self cleaning of the burner If you want to change the capacity in Auto mode highest capacity enter in menu Setup level Parameters change parameter 18 in proportion with what we want to achieve and repeat to establish the capacity Use the same procedure to set capacity 1 To set the fuel use parameter 10 We do not recommend capacity under 17kW The rest of the capacity levels 2 3 4 will be automatically calculated by the controller Connect the flexible connection for pellets to the burner Measure the draught in the chimney When the boiler is not working measure with suitable device gas analyzer differential manometer the draught at the end of the chimney using probe M12 The draught should no
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36. reaches 70 C turn off Automatic start up when the boiler reached the temperature cooling of the water in the boiler to Twater Tset Parameter 50 the boiler will start automatically the ignition procedure Example if set temperature is T e 65 and parameter 50 10 C the boiler will start automatically the ignition if temperature T1 55 C www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 22 7 Ash collector option The ash collector allows continuous work of the boiler 1 2 months when the cleaning of the combustion chamber is not necessary Work as a part of the self cleaning system A cycle of increasing the pressure in the receiver of the system is performed The pneumatic cylinder which control the operation ot the ash collector moves and throw the ash in the container The volume of this ash collector is enough to collect the ash made by 2 3 tones of pellets depend of the pellet quality We do not recommend the use of this device with pellets which form a lot of slag contains inert materials sand soil clay The lumps could mechanically block the operation of the device 1 Diaphragm 2 Working wheel 3 Ash container 4 Rod 5 Pneumatic cylinder For any problems please contact your Installer Do not try to fix the problem alone www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 1777717777 T1777
37. the temperature of the water after the boiler The boiler should not work with water temperature under 55 C In this case the guarantee is not valid 1 3 Requirements for the technical room The pellet boiler 35 should be installed in a special technical room which floor and walls are made of non combustion materials with good ventilation and enough quantity of fresh air for the combustion process Installation burner on the right side Installation burner on the left side e Normally the boiler is produced with burner on the right side but it could be easy installed on the left side if it is necessary It is forbidden to install the boiler in living rooms corridors etc www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 13 2 Installation of pellet boiler 35 2 1 Transportation of the boiler to the client The transportation of the boiler should be done in a reinforced vertical position in the original packing and transport pallet in order to avoid transport damage of the level system and the external covers 2 2 Transporting to the technical room should be done by using a pallet truck with the original transport pallet In the technical room this pallet should be removed and the boiler could be moved on a wheel mounted on the back side of the boiler 2 3 After the boiler and the storage tank are placed in t
38. 017 08 01 The year of first certification 2012 Sofia 2012 08 01 T V Rheinland 5560 E fd BG 1000 Sofia 5A Triaditsa Str AX T vRheinland Precisely Right I OPERATION MANUAL FOR PELLET BOILER CL 35 1 Description main characteristics and accessories for pellet boiler CL 35 1 1 Technical data 1 2 Main parts of the boiler 2 Requirements for the pellets 3 Instruction how to work with the boiler 3 1 Turn the boiler on off 3 2 Schemes of menus 3 3 Description of menus 3 4 Emergency shutdown of the boiler 4 Preventive maintenance 4 1 Cleaning of the combustion chamber 4 2 Annual maintenance 5 Guarantee maintenance I SERVICE INSTRUCTION FOR PELLET BOILER CL 35 1 Installation requirement 1 1 Requirements for the chimney 1 2 Requirements for the heating installation 1 3 Requirements for the technical room 2 Assembly and installation 2 1 Transporting boiler to the client 2 2 Transporting to the technical room 2 3 Leveling of the boiler 3 Hydraulic and electrical schemes Configuration for installation 3 1 Hydraulic schemes 3 2 Electrical schemes 4 Service menu of the controller 5 Parameters to set the controller 6 Initial start up 6 1 Loading the boiler 6 2 Initial startup Configurations 7 Ash collector option www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria p 3 p 3 p 4 p 4
39. EE EM REPRE DET MEDECIN CUM I I I I I I I I I I I I I I I I I I I I I I I I I I I I I geo poesi omnt rete aq m ieu d calle qiie lenis um jene seen e eed enden iesu ecce alae dep Seni pese goose I
40. Europa Blvd 1331 Sofia Bulgaria Phone 359 2 9250610 www tangra bg office tangra bg www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 11 6 GUARANTEE CONDITIONS The manufacturer guarantee correct and flawless work of the unit when the installation and operating instructions are followed and the unit is installed from a certified by the manufacture company The guarantee starts from the date when the guarantee card is filled and stamped The guarantee card should be submitted in three copies an original for the client and two copies saved in the installation and manufacture companies When the installation is complete the installer should return a copy of the guarantee card to the manufacturer THE GUARANTEE IS NOT VALID in case of Damages on the unit caused by incorrect storage transportation not done by the manufacture company Damages caused by nature disasters earthquake fire flood etc The instructions for installation operation and maintenance are not followed Repairs from the buyer himself or an unauthorized maintenance company Changes in the construction of the unit Units which capacity is not correctly selected Damages caused by unexpected factors for which the manufacturer is not responsible Every warranty repair should be documented in the guarantee card of the client and the installation company which should inform the manufacturer for the repairs if some part s need s
41. INSTALLATION AND OPERATION MANUAL FOR PELLET BOILER 35 lt 2 4 VA ee TANGRA C F lt V Rheinla o 0000099 Certificate Register Mo Certificate Holder Validity Certificate of conformity 2012 BSP 01100000 Z 3013 TUV Rheinland Bulgaria EOOD Herewith certifies that the company ANGRA AV OOD BG 1331 Sofia 174 Evropa Blvd Bulgaria Manufactures the product Heating appliance fired by wood pellets Type CL 35 Model One way with hot water boiler Nominal power 35 kW Efficiency at nominal power 94 In conformity with following documents Construction products 89 106 Low Voltage Directive 2006 95 EC and Electromagnetic Compatibility Directive 2004 108 EC BDS EN 14785 2006 EDS EN 60335 1 2003 1 2005 A2 2006 411 2005 A 12 2006 BDS EN 60335 2 102 2006 A 1 2010 BDS EN 61000 6 1 2007 BDS EN 61000 6 3 2007 A1 2011 This certificate is based on the examinations referred to in Report No 2012 BSP 01100000 1 3013 1 27 07 2012 and Test protocols 766 11 06 2012 Mo 690 20 06 2012 and No 12 0018 02 030 25 07 2012 Copies of the them are available in TUV Rheinland Bulgaria EOOD It is an obligation of the manufacturer to affix the conformity marking on the product under strict observation of all valid requirements related to the product The certificate is valid from 2012 08 01 unti 2
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43. he boiler will stop completely at 70 C Gasses modulation start temperature flue gasses temperature threshold when the controller begins to decrease the burning power independently from the water temperature in boiler Alarm triggering gasses temperature If the flue gasses temperature is higher than PAR57 2 the 100 150 125 Alarm Gasses is reported and the controller switches off the system 60 Time between two blow cleanings minutes 0 120 60 61 Blow cleaning period o s 1020 30 62 Air quantity during blow cleaningperiod 7 50 150 100 67 Water pump turn on temperature C 40 70 5 ra Water pump turn off temperature MUST BE lower than PAR67 40 70 value 51 Ul m a O www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 18 Description para mete r Start Up phase duration OBLIGATORY REQUIREMENT par 3 par4tpar 3 gt par 70 flame detection no flame detection Time delay before OFF detected Defines the time during which flame sensor detects value under param 79 before the burner to be stopped and blow cleaning started ra Minimal air quantity entering at the burner under which alarm is activated stuffed chimney fan failure etc ra Time delay before triggering pressure error Defines the time for air quantity to be under param 82 Time to service warning level Defines the Time to se
44. he technical room both units should be leveled using the leveling screws showed on the scheme below Left leveling screw Back leveling screw Right leveling screw A It is forbidden to install the boiler the technical room on the transport pallet The boiler could be installed directly on the floor which is made of non combustion materials or previously reinforced if required www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 14 3 Hydraulic and electrical schemes Configuration for installation 3 1 Hydraulic scheme Heating system Underfloor heating AA Domestic hot water 35 CI l ANGR A 3 2 Electrical schemes Connection to the electrical system should be made by qualified specialist according to BDS EN 60 335 1 1997 Main electric supply 230V 50Hz is fed on terminals L It should be connected by hard connection and separate safety fuse A It is not allowed to use Schuko plug or other type www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 15 TERMINAL BLOCK 1 auniviaduwal S3Ss v9 afri4 TERMINAL BLOCK OF THE BURNER 5 9 ON RR x ONINY319 zu F o 8 zo X0ssJYdWO9 5 9 0 4 0 08 99 79 64 08 25 98 Been e 6r6 L L A EE A CEEL LAE 28 E O aww B so WI EC og o AVUSGWSSL 2 1 9 0 A 9N39 HW 8 yaNYN4 NI Ya9NV
45. mated collection of the ash CL 35 is designed especially for heating systems in single family houses small residential and office buildings services workshops etc 2 1 Technical data Parameter Capacity Total weight Water volume Flue gas connection Volume of the pellet storage tank Overall dimensions B x L x H Working pressure of water Boiler test pressure Recommended water working temperature Maximum water temperature Under pressure needed in the chimney Joined dimensions water in out Joined dimensions drain connection LOT A E C E Demwsemaemem E S www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 2 2 Main parts of the boiler type CL 35 1 2 3 4 Uu e S lt ce s 2 lt 6 7 8 1 Connections to the heating system 2 Controller 3 Boiler 4 Auger for automatic supply of the burner with fuel 5 Pellet storage tank 6 Compressor 7 Burner 8 Ach collector option 3 Requirements to the pellets CL 35 is designed to work with wood pellets with diameter 6 8mm length 5 30mm and moisture content 5 9 With his integrated automatic burner cleaning system as well as the module for forced cleaning of the burner this boiler is not pretentious about the quality of the pellets It works with all type of wood pellets intended for domestic usage according to the ONORM M7135 DIN 51731 DIN Plus standards Rega
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47. nking it is possible to change minutes Edit minutes Enter confirm the chosen time Cancel WY VW Y VY W www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria Lock keyboard Display brightness Visialization Sound alarm volume Firmware version Manual activation of auger Unlock service menu SETTINGS Enter confirm the chosen OFF unlocked keyboard settings 1 Hi fully locked keyboard Lo only On Off buttons are active Cancel t t E Set value from 1 to 5 2 C Enter confirm the chosen settings Cancel 1 show consistently the time Enter confirm the chosen and current temperature in the settings 3 boiler 2 show current temperature in tha boiler Cancel 3 show time C 4 Set valuas from 1 to 5 Enter confirm the chosen settings Cancel Work only when the boiler is in OFF mode 6 When press and hold Enter button the auger is activated and it works until stop pushing or maximum 30 sl Use for initial feeding of the auger with fuel Using Enter button generate random four digit code To continue to service menu you should sum the four digits and add 1 to the sum With button enter the 1 H sum and confirm with Enter Key We do not recommend access by users These manus are intended for Installers 4 4 Emergency boiler shutdown www tangra bg
48. nu and editing the settings e Long low tone sound in case of invalid operation wrong button pressed e Long high tone in case of alert this tone sounds with the user defined loudness and in case of an error this tone sound with 100 loudness www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 4 2 Scheme of the main menu Setup 90 00 0 oo Power Water Turn on emperature HUE Brightness i AJ T Display mode Sound alarms LL J Manual feeding Service time J IT T LLLI In Service menu www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 4 3 Description of the menus Capacity Temperature Enter current temperature of the water in the boiler is blinking it is possible to change the temperature Enter current capacity is blinking it is possible to change the capacity Edit capacity Edit temperature Enter confirm the chosen capacity Enter confirm the chosen temperature Cancel uu OO 0 amp Cancel Possible values for Power e Auto maximum capacity and automatic regulation according to the temperature in the boiler modulation 4 3 2 1 minimum capacity EA Pellets quality Enter current hour is blinking it is possible to change the hour Change the burning process according to the previous set ellets quality d Edit time Current minutes are bli
49. r EE puede coo tom yore aem Tec TUE ce Eg mE Cg mmm ccm mmu pem pego qe cocoa I UT mL I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I LE SLE ELE SSS LS EL MEM UN Se Se SSS SSS SS LECCE NCC LLL UL Cc Lc SS SS LL LLL NL ELE E SS Se SS SPS 6 ILLE MCN CL ECCL iac MMC SS Ss SS SS LLL SLE ELE ep SS eS I I I I I I I I I I 4 4 4 4 mmm mimm om oium m om mium um om mpm mm om omo oom om ooo Ad Rg
50. r other type of connection to the electrical supply Turn on off the boiler is made from pole circuit breaker located in the power supply Turn on off the boiler from the main supply to the boiler is done with the key that is located on the right of the control panel This key is single pola and provides on off only of the phase conductor Functionaly turn on off the boiler is done by pressing the On Off key which is located on the control panel If the power cable of the appliance is damaged it must be replaced by the manufacturer its service agent or a similarly qualified person to avoid danger situation Recommended once a week to check the combustion chamber and if necessary to clean the collected ash with the shovel and pan included in the package Once a year is made mandatory maintenance which includes testing of all systems general cleaning of the burner combustion chamber heat exchanger tubes and upper smoke collecting camera check all connections for leaks check all electrical connections check the flexible hose for compressed air and pellets www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 2 Description and main characteristics CL 35 is steel single thread water pellet boiler equipped with electro pneumatic self cleaning system The boiler consists of two separate modules boiler body and storage tank for pellets As an option it is possible to install ash collector for auto
51. rdless of the pellets which are used after correct adjustment of the combustion process could be reached efficiency of 90 94 and low emission of greenhouse gases CO CO and NOx In case of changing the quality of pellets or the supplier during the exploitation the parameters of the combustion process should be reset This should be done only by authorized service organization There is a possibility to save up to three different setting for different quality of pellets www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 4 Instruction how to work with the boiler 4 1 Turn the boiler on off It is done by holding the button On Off Alarm Power Servicing Alarm Cleaning Temperature Alarm no fuel eei S On Off Enter X 2 Menu button Display TANGRA capacitive touch keyboard is designed for intuitive use Keep the keyboard clean Any contamination could send signal for pressed button At the top of TANGRA keyboard are located indicators for various alarms and menus The display shows the set or current values for the currently selected menu option With buttons you can navigate through the menu and control the operation of TANGRA controller Refer to the Table on next page for descriptions of the buttons The following sound alarms are available e Short high tone sounds when navigating the me
52. rity switch error E110 NTC1 error temperature sensor E111 TC1 error temperature flue gas E115 General error A004 low battery 002 service required A003 low air flow 17 5 Parameters to set the controller N2 S Limits of Recommen r Description values ded values 0 Maximum wait time for successful firing in ignition phase minutes 1220 15 1 Maximum acceptable time for flame detection with igniter off in 1 5 1 the test fire phase Start Up phase auger OFF time defines the heater OFF time no l 10 165 150 dosing during the Start Up phase Start Up phase auger ON time defines the feeder ON time l 10 165 100 dosing during the Start Up phase O Power 1 auger ON time working dose at power level 1 10 40 8 Power 5 auger ON time working dose at power level 5 10 60 Air quantity Fire down phase After Fire down phase is executed the fan accelerates to full speed for 20 seconds 21 Air quantity in Start Up phase S 10 150 Temperature difference between and Teurreny by reaching of which the controller starts fire up Example if T1 65 C and parameter 50 10 C the boiler will i restart at T1 55 C Tgiven required water temperature in the boiler When is reached the controller starts smooth reduction of burner power from level 5 down to level1 and at Tj 4 F5 C the burner is oc switched off Example if T1 is set to 65 C t
53. rvice due time Freeze protection C www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 19 6 Start Up the boiler and initial firing 6 1 Filling the installation filling with fuel and check the integrity of the unit After the installation of the boiler and its connection to the heating and electrical systems could proceed to filling of the boiler body and heating installation with water All types of connections inside and outside the boiler should be visually inspected for leaks To ensure enough quantity of pellets which is needed for initial start of the pellet boiler gt of the volume of the pellet storage tank should be filled Verify the position of the ceramic element in the combustion chamber Verify of all electrical connections of the burner and the flexible pipe for compressed air Scheme for supply the burner and the compressor Auger feeding Jack from the boiler Compressor suppl Compressed air supply Burner view from below After inspection turn the supply on using the main switch 6 2 Initial Startup 6 2 1 Initial feeding of the auger e Take off the flexible connection for pellets from the burner e From menu Setup choose level 6 Manual feeding The initial feeding of the auger with fuel and hold the button Enter until the main auger is filled with fuel and the flow become stable o NJ NJ Set the capacity of the boiler From menu Power
54. t be less than 15 Pa The operation of the boiler with less draught than 15Pa could lead to overheating or fire in the burner 6 2 4 Initial Start Up of the boiler When we are sure that all connections are correctly installed the quantity of fuel for the lowest and highest capacity are checked and there is enough draught in the chimney we can start the boiler from on off button From menu Temperature set the water temperature in the boiler example75 C From menu Power set Auto The boiler will work with maximum capacity until it reached the set temperature 75 C than will star modulation of the capacity from higher to lower and will turn off at 80 C When the boiler starts the control light placed next to the start button blinking That means that the boiler is in ignition mode When appeared a stable flame 3 10min the boiler turn into working mode and the lamp light up permanently After reaching minimum 50 C of the water in the boiler the burning process could be set using gas analyzer The parameter which control the air quantity at higher capacity is 28 and at lower capacity 24 check the table with parameters Recommended values CO 100 ppm lt 4 8 A 1 3 1 6 Thue gases lt 1805C Repeat this procedure to set the air quantity turning to the lowest capacity 1 Try to reach the same values of gas analyzer www tangra bg 359 2 925 06 10 174 Europa Blvd 1331 Sofia Bulgaria 21 6 2 5
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