Pellet burner PV 180a
Contents
1. 3 8 pelltech Pellet burner PV 180a User manual PV 180a Table of content Table Of ONTENE int ARE EE ER ER NE OE RE EE PER 2 Bol odo y HYNN NENN HN FEE FN N EE ER EE SA FFY NF 5 FUG AF EE OE RE RE EO AR ds ii 7 SEE leon 7 Boiler requirements nr AE N RE RE E RO ER ER EE R E 8 Pelleticontain er 355 OR EE KO EE OE EE EE 11 DU ER RE EE EE T 12 External USE nnen EE EE EE RE CY ED CYF ende E GYD YF ee ee alfa 20 ElectritalicONNECtONS scroll ET OE 21 Operation FED HENNY HR Ea E eee E E A NN RFAAI FFR FFON 23 E Y EE CR was RE EN EN Ny 23 Rot E OE OE OE NHY FD HU NYFFRYN WYF HRN YN RO HF HYN FFON 24 SONES nd EE ER EE EN 25 Ela ai OO E o EE EE RE N 27 Maintenanc AK EE tias 27 Working Principles cas Pe en GE vo Ee ig 29 T StIN GE OE O 29 A ee a a E A E E A E 29 Bjo Lo A 29 EA TS 30 A I obs EDE EE Y FF Cd GY YA ED CF 30 BUTNING eat neen OE EE HER FHS ANF FR EE FN EN OE RR CON REN NF FF AF OE NU AN AE ER 30 Auger control Ee ee seeden heteen dud ST yd ae ee ee De Ee ER RE Y GE RD EE 30 Fuel level detectiONi EE 30 Output power levels nnn nnn nnen n eene AE ER Ee ee ede ee ee ee rele EE ee ee ee ee ee ee 30 Hold lamers RE a ORE ER da 31 End BURN nent EE EE EE EE OO EE 31 A SE E E E E E E E E A E E TE 31 Controller board descriptiOn esse EE ER EA ee ee E E a EEEa keanaan rE Soini 32 Problems and Bte Palo gn 34 PV 180a Safety precautions Do not start the burner before it is connected to the boiler and the bo2. Figure 3 Hinge position and boiler opening size considerations PV 180a Figure 4 Double hinges Boiler firebox length L Figure 5 should be at least 2 5 x the length of the burning chamber For PV 180a minimum of 800 mm is acceptable leaving L1 min 480mm The height should be enough to leave H1 below the burner min 100mm for ash PV 180a Minimum dimensions L and H for PV 180a L gt 8 amp 00mm H gt 470mm Figure 5 Boiler firebox reguirements Burner is mounted to door using supplied oil burner flange Bolt hole circle diameter and bolt sizes can be customized by using custom flanges D1 and D2 given in Table 3 are only valid with supplied flanges Table 3 Mounting holes for boiler door 132 170 210 13 D hole for burning chamber neck D1 flange bolt ring diameter amp OD2bolt holes Figure 6 Mounting holes with supplied flanges for boiler door 10 PV 180a Burner In order to install the burner properly you must go through the following steps 1 Remove carefully ceramic stones and the transparent joil from stones 11 PV 180a 3 Remove the bolts from bottom grate holder 4 Remove the cover of the burner by loosening 4 screws of the cover There is no need to remove the screws 12 PV 180a 5 Remove the M8 nut 13 mm wrench that connects the halves of the burner 6 Separate the halves of the burner by pulling the burning chamber and slightly rotati
3. see Info menu description 3 see HOLD FLAME status description 4 see Languages chapter 24 PV 180a Table 6 Parameters menu Parameter Description i VET Nr Name Default Min Max a HOLD FLAME AIR Fan speed during hold flame cycle 11 HOLD FLAME ON In case of Hold flame is set on 15 30 AUTO flame holding activated after 2 waiting session both less then 15 min 12 HOLD FLAME OFF In case of Hold flame is set on AUTO there is maximum time for flame holding cycle 60 100 PELLET NORMAL Internal feeder production g rot PELLET LIGHT Internal feeder production g rot 23 PELLET HEAVY Internal feeder production got 75 60 100 25 LOADING 2 FEED Feeder turns during second rot loading cycle 30 SMOKEFAN ON Smokefan is turned ON or OFF OFF ON OFF 31 SMOKEFAN 1 Smokegas fan speed for ignition end blow burn at power level 1 and 2 32 SMOKEFAN 2 Smokegas fan speed for burn at power level 3 and 4 33 SMOKEFAN 3 Smokegas fan speed for burn at power level 5 and 6 40 PHOTOCELL Photocell sensitivity 84 50 100 41 PREBURN TIME Preburn cycle lenght S 25 15 80 25 PV 180a 42 PREBURN CYCLES n 6 2 10 43 OVERHEAT TEMP Maximum allowed burner AG 50 20 70 temperature 46 MAX CURR x10mA Feeder max current 160 72 216 48 CLEANING CYCL Counted burning time between min 180 0 250 cleanings O Cleaning OFF 50 ON ERROR RELAY Error output relay contacts ON ON ON OFF NO or OFF NC 99 MODEL VERSION Load de
4. Maximum loading time is limited with 5 minutes in normal working conditions and 20 minutes after manual start Igniter is preheated in the end of loading cycle When internal auger has made 10 half rotations par24 12 the igniter is turned on for preheating If the igniter is turned on more than 1 minute at loading time the igniter will be turned off 28 PV 180a Igniting In ignition state the igniter is heated up and fan blows hot air through loaded pellets and ignites them Igniter is turned off after every 50 seconds to avoid overheating it and turned on again after 20s Preburn The purpose of preburn state is to fully ignite the pellets No fuel is added at preburn Fan works at the same speed as in ignition Burning The running position of the burner Fuel is periodically added and fan is keeping speed according to air table Burning state lasts until boiler thermostat is switched off Auger control External auger is holding permanent fuel level in the feeder tube during Burning state The auger is controlled by fuel level sensor in following manner e Auger is started after level sensor does not recognize fuel in burner and internal feeder has done 2 half rotations e Auger is stopped when level sensor recognize fuel in burner for more than 1s Fuel level detection Pellet level in vertical feeder tube is detected by fuel level sensor optical Fuel is detected when pellets interrupt optical link between
5. The hose must be in angle of 50 or more to ensure free falling of the fuel Figure 7 External auger installation units in mm PV 180a Electrical connections The burner is eguipped with a standard oil burner plug that has 7 contacts There will be different connection schemes used for different boilers Usually the burner is connected to the boiler with a 5 wire cable It is also possible to connect with a 4 wire cable Caution All electrical connections of the burner must be made by a qualified professional RR Ba S3 T2 TIT NTPE ERTH Tt Tt N N LI Figure 7 Burner 5 wire connection Figure 8 Burner 4 wire connection 20 PV 180a Ot Chs PRI al B4 s3 Tol TAN PE L1 f ti TN mm I i FI LAT PE NT r I I I I Te 2 I L1 pa 12U bat Chs Chassis grounder M1 Fan M2 Flue gas fan M3 External auger M4 Internal feeder M5 Grate motor Ot Safety thermostat R1 Flame sensor SBB Controller board Se Igniter TR Transformer Tt Boiler thermostat Flue gas fan M2 is installed only if there is not enough draught The flue gas fan is not included with burner 21 PV 180a Operation The burner is controlled via user interface on the front panel LCD screen 1 displays settings menu event log etc Yellow light 2 shows the presence of flam
6. power If its speed doesn t reach 30 rps fan error will occure on display Battery loading is turned off and feeder is turned on If battery voltage is lower then 12V Battery low error will occure By testing the feeder has to make 1 full turn in 8 seconds if it fails to do it feeder error will occure Cleaning To clean the burner parameter 48 has to be turned ON Before every working cycle burner grate will be cleaned by pulling the lower grate under the upper grate and pushing away the ash by moving back If the grate is stucked it will move back and try again After 1 minute trying and failing to move back to its right position grate error will occure Loading In the loading cycle internal feeder loads correct amount of fuel into burning chamber needed for ignition Loaded fuel amount is measured by counting internal feeder rotations Loading is correctly ended when feeder has made 20 half rotations or as set in the par24 Internal feeder working depends on fuel level sensor e The feeder is started when level sensor recognizes fuel in burner for more than 1s e The feeder stops when feeder makes 1 5 rotations without fuel in burner External auger is holding permanent fuel level in the feeder tube all loading time depending on level sensor The auger is started when level sensor does not recognize fuel in burner more than 1s The auger is stopped when level sensor recognizes fuel in burner more than 5s
7. sensor pair Burner will enter level detection fault condition in following cases 1 Fuel loading timeout no signal for specified period of time 2 Fuel unloading timeout signal lasts longer than specified period of time Output power levels Burner has 6 preset output power levels For every level program calculates correct fuel amount depending of fuel calorific value and burner internal feeder productivity The feeder productivity for normal light and heavy pellets can be changed from setup menu par21 par22 par23 For most pellets it is 70g per rotation Calculated amount of fuel is divided into periodic feeding cycles In every cycle internal feeder makes half rotation If the calculated cycle comes to short less than 11s then the cycle length is doubled and fuel is fed with by full rotation of feeder For every power level there is different preset fan rotation speed air table 29 PV 180a Burner chooses the output level between preset min and max powers When burning time has been more then 60 min par 15 next time burner takes one level up when burning time has been less then 30 min par 16 next time burner takes one level down Hold flame The main idea of this state is to reduce the number of igniting cycles This state can be turned on automatically or manually in hold flame menu ON OFF AUTO If set to AUTO burner goes to hold flame when the time between two startups is less then 10 minutes for 2
8. setup menu Possibly check temp sensor connection back burning is happened check burning chamber and clean it check the chimney and under pressure draught in the boiler check the internal feeder screw onnection and rotation Ignition error Flame is not detected at ignition time check igniter and igniter fuse check photocell at burning time Feeder error check feeder sensor connection seconds at its running time check magnet on the feeder shaft Feeder motor current is reached 0 75A check feeder screw connection permanently in 0 2 second time feeder can be blocked Fan has not reached 40 rps in 7 seconds at check fan sensor connection esting time with full power check fan power connections Fan has not reached needed speed at check magnet on the fan shaft burning time in 20 sec check fan bearings and rotation rate error Grate is stucked during the burner cleaning Clean the burning chamber manually as described in the maintenance chapter Battery voltage is less than 12V with load If there was a power failure then just wait working feeder hen it is charged replace the battery No network power check power connector cables check safety thermostat check burner for backburn Safety thermostat has turned off the power backburn 33 Z Og 5 4 8 2 lt 2 PV 180a Warranty Warranty object is pellet burner PV 180a and auger PA1500 B or PA 2000 B Producer gives 2 years warranty from the date of sale for the
9. 26 PV 180a Feed screw motor The condition of the feeding screw motor is crucial for safety Therefore the motor must be replaced after every 2000 working hours or after 120 150 tons of pellets are burned or when the burner gives warning Burnered pellets amount in kg is accessible from info menu Battery Battery must be replaced when the burner gives warning message or after 5 years As the battery is also safety device burner monitors the state of battery and blocks next work cycle if battery voltage is not within limits Fan The air in boiler room contains dust that can deposit on fan bearings The best cure is to keep boiler room as clean as possible Otherwise the fan bearings can get stuck after several years of working and must be replaced Resetting safety thermostat In case of overheating the burner flashes yellow indicator and displays message OVERHEAT The safety thermostat must be reset manually Thermostat is located on the horizontal tube of inner auger Make sure the burner has cooled down and disconnected from power supply Remove the cover by loosening 4 screws 2 on both sides Press small button on thermostat Connect power supply Press OK for 5s If indicator keeps flashing you need to replace the thermostat OY UP ME Figure 11 Resetting the safety thermostat 27 PV 180a Working principle Testing Before every startup the burner tests itself At testing time fan is turned on at maximum
10. 5 Mains transformer Flame sensor 6 Mains transformer Flame sensor BUT User interface buttons CONTR LCD contrast and viewing angle adjustment FAN Internal air fan speed feedback sensor FDR Feed screw motor speed feedback sensor TRS Fuel level sensor transmitter black marking RSV Fuel level sensor receiver white marking TEMP1 Feed screw tube temperature sensor TEMP2 Ambient temperature sensor TEMP3 UART RS232 interface for external modem 5V TTL Fuses Fuse Rating Function 0 5A quick External auger 1A quick Fan 4 3A quick Igniter F 2A quick Controller and feeder motor F1 E i F2 i l z 32 PV 180a Problems and solutions Error states Cause topped his is actually not an error condition o turn burner on Burner is turned OFF from menu hold down OK button at least 3s change row BURNER from OFF to ON in setup menu Maximum loading time is reached 5 or 20 check fuel in storage minutes and not enough fuel from external F check auger and auger connection to auger for ignition is loaded burner Fuel level is not detected in 4 minutes at check the level sensors clean them burning time Flame is disappeared at preburning time check the level sensors clean them Flame is disappeared at burning time Flame is not disappeared in end blow state check photocell clean it Burner internal temperature is reached over check burner temp from INFO menu set point as fixed in
11. 6 or 8mm wooden pellets You cannot use any other fuel to run this burner The unique construction of PV 180a allows it to be used with different boilers liquid fuel solid fuel and universal boilers The PV 180a burner is connected to the boiler with a 129 mm flange similar to oil burners The burner is equipped with a safety thermostat a melting chute temperature sensor and auxiliary battery for protection against back burning Burner main components are shown on Figure 1 1 Cheramic burning chamber 11 2 Secundary air holes 12 3 Tertiary air holes 13 4 Moving grate 14 5 Grate 15 6 Ignitor 16 7 Flame sensor 17 8 Burner connecting nut 18 9 Safety thermostat 19 10 Grate motor Figure 1 Burner main components Feed screw motor Fan Plugs Backup battery Keyboard Display Mains transformer Fuel level sensor Fuel inlet PV 180a Figure 2 Dimensions Table 1 Specification Unit PV 180a mm 746 mm 295 mm 331 i mm 310 diameter mm 283 mm 297 i mm 274 4 W total width W burner housing width Mass kg 4 Supply voltage VAC 220 240 Power max W 620 C H total height Power average W 60 120 Power at standby W Noise dB 5 8 Operating temperature 0 60 Nominal heat input kW 180 Min heat input kW 80 1 According to EN 15270 7 z PV 180a Fuel PV 180a uses premium wooden pellets as fuel Wood pellets are con
12. Only the fan is working the igniter is off Pellets start burning properly BURNING Status of normal working External auger works by level sensor internal auger and fan are working by Photocell must see the flame HOLD FLAME Boiler has reached an estimated temperature and boiler thermostat switched off pilot flame is held in the burning chamber BURN END Boiler has reached an estimated temperature and boiler thermostat switched off 23 PV 180a the burner The external auger has stopped the internal feeder and fan are still working until all fuel is burned END BLOW When photocell doesn t see any flame only the fan keeps on working with minimum speed in order to make sure there is no fuel in burner IGN ERROR Flame is not recognized after ignition FAN ERROR Fan rotation problem GRATE ERROR Grate is stucked BATTERY LOW Battery is not connected or empty NO POWER Supply power is not detected burner works on battery Settings To enter settings menu press OK To go back to log screen press ESC Table 5 Main menu Men Menu Description Default Selection list unr parameter ENG value 1 STATUS gt Submenu for status information 6 POWER Actual power level AUTO AUTO 80 100 120 140 160 180 7 BASE AIR Fan speed correction for all fan 0 2 1 0 1 2 3 4 5 speeds 8 LANGUAGE Language selection ENG See language list 9 PARAMETERS gt Parameter setup menu 1 see Status menu description 2
13. burner and auger Exeption is ignition element for this item warranty is 1 year Warranty does not cover defects caused by an accident misuse abuse improper installation or operation lack of reasonable care unauthorized medication loss of parts tampering attempted repair by a not authorized person power supply errors or using poor quality fuel 34 PV 180a WARRANTY SHEET Burner type PV 180a Serial number III Date of sale O Wis Customers contact details ese ee ee ee FF iN Installators name and signature esse ee ee ee Re ee WARRANTY SHEET Burner type PV 180a Serial number sees see sede ee Date of sale a EE Jonen Customers contact details esse esse dee ee ed ee Installators name and signature esse ee ee ee ee Re ee ee 35
14. centrated and homogenized fuel made from sawdust and cutter shavings Pellets are pressed with high temperature No extra materials are added pellets are held together by a natural ingredient found in wood lignin Pellets are CO gt neutral renewable fuel Pellets must be stored in a dry and ventilated room It is recommended to wear a respirator when handling pellets Refilling must be carried out before the storage runs empty In case it happened burner has to be restarted and the loading time can be up to 20 minutes that external auger has enough time to refill itself Table 2 Pellet properties Length 3 5 x diameter Water content 8 10 96 Ash content Ca 0 596 To replace 1000 I light oil ca 2 tons or 3 m Installation You will need the following tools in order to install the burner e Spanner no 13 for fixing the flange of the burner to the boiler e Spanner no 10 for connecting the body of the burner with the burning camber and fix the bottom grate holder e _ Cross head screwdriver for fixing the cover of the burner e 6mm hex wrench for fixating the boiler to the flange In order to install the burner the boiler must correspond to the following reguirements e The door of the boiler must have a 130 mm opening placement opening for the oil burner e The thickness of the boiler door must be less than 90mm e The construction of the boiler must make it possible to open the door of the boiler with the burner connect
15. e in burning chamber Or if blinking the burner is out of normal operation Status can be seen on log screen Green light 3 indicates if there is fuel in the burner To move in menus use up and down buttons to change parameter press OK to go back to LOG press ESC button Figure 9 Front panel 1 diplay 2 yellow led showing the flame in the burner 3 green led showing the fuel in the burner 4 Plug for auger connection 5 Plug for boiler connection Starting Prior to the initial start up of the burner make sure that e The burner is connected to the boiler e The boiler thermostat is installed and is functioning properly e The boiler thermostat is turned to lowest temperature e The external auger is installed and connected to the burner 22 PV 180a e The smoke duct is connected to the chimney the dampers for smoke gases are open and there is sufficient draught When the burner is operating the negative pressure inside the boiler must stay between 4 6 Pa To turn on the burner switch on boiler main switch If burner displays Stopped then go to settings menu and change parameter Burner from OFF to ON The display shows Waiting Now turn boiler thermostat to desired temperature The burner will go to Loading state If this is the first run extern al auger needs to be fi
16. ed and removing ash from the furnace If the door of the boiler is too narrow for opening it with the burner then extra hinges must be installed PV 180a e If there is not sufficient less than 5Pa negative pressure in the furnace a draught fan should be installed for the exhaust gases e The boiler room where the burner is installed must fulfill all rules and recommendations given by authorities e The boiler must be positioned in a way that there is enough space for cleaning the burner the boiler and the smoke pipe and removing the ash If flue gas temperature at the top of the chimney is less than 80C there is a risk of condensation In this case a pipe should be installed throughout the length of the chimney Note It is recommended to use a flue gas analyzer for adjusting the burner The burner must be adjusted using the flue gas analyzer also when you change the size or the guality of the pellets Boiler reguirements Pellet burners need regular cleaning and therefore boiler construction must allow the door to be opened without removing the burner The minimum size of opening in boiler depends on the position of door hinges and vice versa Figure 3 below illustrates the situation Point C is critical In order to keep door width minimum and boiler opening small a double hinge solution can be used As double hinges add another degree of freedom door must be fastened on both sides Slide out doors with guide rails is also an option
17. fault settings for chosen 100a 20a 30a 50a burner model or change model 100a type Refilling fuel The fuel storage must be refilled before it runs empty Fuel can be added at any time during the operation To add fuel simply pour a new bag of pellets into your fuel storage If the storage runs empty before new fuel is added the external auger must be loaded again as described in chapter Starting Failing to do so will result Fuel error due to fuel loading timeout Maintenance Pellet burner PV 180a requires systematic maintenance The maintenance period depends on the quality of the pellets and heating intensity The average maintenance period is between 1 to 2 months Allthough the burner has an automatical cleaning system some ash collects on the grates and under the grates Depending on the quality of the pellets the maintenance period my vary To clean the burner Turn off the burner by turning the thermostat to 0 Let the burner cool down for at least 1 hour Open the boiler s door to gain access to burning chamber Remove carefully the cover stones from burning chamber Remove ash from the grates Remove the grates make sure that all holes on the plate are clean Remove all residues collected under the grates Place back all removed burner parts Close the boiler s door to finish the maintenance and turn the thermostat to desired temperature 103 00 OAR RE NB Check the boiler manual for boiler cleaning
18. iler is connected to the chimney It is recommended to wear a respirator while handling pellets The boiler room where the burner is installed must fulfill all rules and recommendations given by authorities All electrical connections must be done by trained professionals No flammable materials must be stored near the burner Warnings gt Changing the construction of the burner without written permission from the manufacturer is forbidden gt Use only spare parts provided or approved by the manufacturer in order to avoid any damage to the burner and dangers resulting from it gt Welding is allowed only after disconnecting the burner from electric supply The circuit board must be removed from the burner gt Do not open any boiler door while the burner is in operation The burner complies with following directives and standards Directive 2004 108 EC Directive 2006 95 EC Directive 2001 95 EC Directive 2006 42 EC EN 15270 2008 EN 230 2005 EN 60370 2 5 2002 PV 180a Package content The burner is shipped with following components included 1 Burner 2 Bottom grate smaller holes 3 Upper grate bigger holes 4 Brackets for hose 2x 5 Flange 6 Ceramic seal 7 7 pole boiler connector 8 Hose 9 Ceramic stones side 2 pieces 10 Ceramic stone cover 2 pieces 11 Ceramic stone end PV 180a Description PV 180a is a pellet burner that is intended to be used with
19. lled with pellets It can take up to 20 minutes To stop the burning turn boiler thermostat to lowest point The burner will now finish the process after all fuel is burnt Caution Never turn off a working burner from the main switch of the boiler Use the thermostat switch for that purpose In order to stop safely let the burner burn empty Do not leave the burner unattended when it has been necessary to use the emergency stop Log Log screen displays last events burner states and their duration All states are described in Table 4 The duration is in form mm ss m in the middle or hh mm h in the middle For example Igniting 01m25 means the burner ignition state lasted 1minute and 25 seconds Last row of the log shows current state To reach the last row press the down button until you reach the current state The duration of current state updates every second or minute Table 4 Burner states Status Description STOPPED The burner is not switched on WAITING The burner is switched on and waiting for command from the thermostat of the boiler TESTING Testing the fan battery feeder CLEANING Removing ash from burning chamber LOADING Loading pellets into burner for ignition after the command from boiler thermostat LOADING2 Second try if the first ignition was not successful IGNITING Loaded amount of pellets are in the burning chamber igniter and fan are working till photocell recognizes flame PREBURN
20. ng it at the same time 13 PV 180a 7 Fix the flange of the burner to the door of the boiler Put a ceramic seal on the neck of the burning chamber Put the chamber neck through the boiler door and flange The rear wall of the burning chamber has to lean on the door of the boiler Caution The connection between the burner and the boiler must be tight in order to avoid any leakage of smoke gases 8 Fixate the burning chamber to the flange with two M8 bolt Make sure the burning chamber is placed horizontal 14 PV 180a 9 Connect the burner body to the burning chamber like it was before disassembling push the burner body and slightly rotate it at the same time Be sure that the burner halves are correctly connected 10 Fixate the halves of the burner with a M8 nut The nut has to be rolled tight but not too hard 15 PV 180a 11 Place back the burner cover and fix the screws again 12 Place back the bolts and fix the bottom grate holder 16 PV 180a 13 Place back the lower grate smaller holes and then the upper grate bigger holes efully back ceramic stones 14 Place car PV 180a TT Caution After the installation of the burner always make sure that the end of the igniter is positioned through its
21. opening and not stucked behind the dividing wall 18 PV 180a Pellet container The burner the auger and the pellet container are a common system The size and the location of the pellet container depends on the needs and possibilities of the specific boiler room While choosing the pellet container you must keep in mind that e Ifthe pellet container is in the same room as the boiler then the size of the pellet container must not exceed 500 liters approx 350kg e The container must be made of fireproof materials e The container must be positioned in a way that the raising angle of the feeding auger does not exceed 45 It is advisable to use a container that can be closed with a cover External auger A feeding auger transports pellets from the pellet container to the burner The burner controls the work of the auger The auger is connected to the burner with a special hose The hose is made of melting material that acts as a safety measure against back burning The uppon side of auger with motor must be fixed with delivered chain to a storage or to some other object nearby Figure 7 shows correct position for external auger As the hose is a safety device it must be placed strictly as described below The vertical distance between auger outlet and burner inlet must be in range of 40 70cm and horizontal displacement 10 20cm typical auger angle 30 45 External auger cannot be installed in position with angle greater than 45
22. times When hold flame lasts more then one hour automatic mode is turned off and burner goes to burn end state In hold flame state new fuel is fed after every 127s and fan is working by speed given by par10 End burn In the end burn state all fuel inside the burning chamber and feeder tube must be burned no more fuel added from external auger Internal feeder and fan keep on working as in previous states hold flame or burning After the feeder has made periodically 15 half rotations par26 the feeder starts working continiously until 32 half rotations is made End blow Only the fan keeps on working with speed shown in par9 to burn out all coals Feeder is turned off This state lasts until no flame is recognized plus one minute Table 7 Air table for PV 180a Power kW Fan rps Cycle s Feeder rot 80 30 30 5 100 33 24 5 120 36 20 140 39 17 5 160 42 15 180 45 13 5 cycle length and feeder rotations are different if feeder production changed in parameters setup 30 PV 180a Controller board description D o IT o Lu E Lu a SBB ver3 1 2010 8 C26 4 a R47 a Ab C2 EN 1516 o Figure 10 Controller board 31 PV 180a Table 8 X1 and X2 connectors X1 Description X2 Description 1 Igniter Grate motor 2 Igniter Grate motor 3 1 2 3 Battery positive terminal Flue gas fan 4 Battery negative terminal 5 6 7 4
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