Installation and User Manual for MPB series`
Contents
1. Megatherm wood pellet burner MPB serie s 6 Description of the controller Description e Diodes signalising the status of outputs and the working mode of the driver e LCD screen used for communication between the device and the user e Buttons steering the driver s work 6 1 DESCRIPTION OF BUTTONS NAnKTpo Agitoupyia Changes the burner s working mode STOP IGNITION AUTOMATIC WORK 2 Return to the previous menu Entry on the Menu s parameters Saves the change of a parameter 1 In the Ignition MODE activates the feeder for the time specified on the parameter Filling Feeder Time e Go to the previous menu or parameter 2 e Decreases the value of a parameter e In the Ignition MODE activates the ignition procedure e Go to the menu menu or parameter 2 Increases the value of a parameter tov KAVLGTNPO Megatherm wood pellet burner MPB serie s 6 2 TECHNICAL CHARACTERISTICS OF THE CONTROLLER Sensors KTY 210 Measurement range 0 120 C Measurement resolution 0 1 C Time of measurements 1s Data s reading LCD screen 2x20 signs Steering outputs Igniter 230V 2A 0 8A Feeder 230V 2A 0 8A Burner s fan 230V 2A 0 8A CH pump 230V 2A 0 8A WUW pump 230V 2A 0 8A Thermostat 2 contacts open close max 24V 2A Protection e Temperature STB 95 C e Electric Fuse 4A Inputs Room thermostat Open contact Tem2. All electrical installation and service work shall be done by certified and qualified personnel inaccordance with local codes and regulations Do not perform electrical work unless you have the required qualifications Perform a complete burner shutdown and disconnect the power supply prior to performing any work on the burner Observe all guidelines with respect to installation service or cleaning DO NOT install in a sleeping room DO NOT connect to any air distribution duct or system DO NOT terminate the vent in any enclosed or semi enclosed area such as carports garage attic crawl space under a sun deck or porch narrow walkway or closed area or any location that can build up a concentration of fumes such as a Stairwell covered breezeway etc Megatherm wood pellet burner MPB serie s 2 The principle of working The device s work is based on providing fuel via steering the feeder appropriately and the work of a fan which steers the burning process After reaching a particular temperature of the heating water the driver goes into the mode of sustaining the temperature or switches the burner completely off The ignition of fuel starts automatically with the help of igniter which is connected to this driver The regulator operates also on the useful warm water buffer The WUW pump starts working when the regulator detects too low temperature of the WUW buffer It is also possible to st
3. Magathexm Wood pellet burners MPB Installation amp User Manual This manual is for the Installer Read understand and follow these instructions for safe installation and operation 1 Megatherm wood pellet burner MPB serie s Contents 1 Warnings Cautions and NoOteS aanrarnnrunnnannnennnnennnennnnennvennrnennnnnn 3 2 The principle of working cccccccecceeseeeseeeeseeeseeeeeeeeaseesaeenaseesaenages 4 3 Technical specifications enden nen 4 4 BOilEr 4 el ti E a iA 5 S 10 SEE E E A 5 6 Description of the controller s sssssereressssessasanensnnennnnnnnnenennonenenne 6 7 Operation functions sic in cicernwuaexcedetsrssacaas deatacsdecendedss vs bades ane 8 G Parameter EEE EE EE 10 9 Ma nufactur r sS EN Hede 13 10 ROOM therost t irssi reir ss r eieeees inv tat iar aara iaaa 16 LL IRS USG cosines cde vaud ir aa Ea RAE 17 12 SEENDE DUNNER vanne nEaN R a aa 18 13 SP f the DANE sxcecssiencccdaveciseemiseeseetatesrccicenisgenidaegeuiacessatcences 18 14 Cleaning b rner s chamber cs cecicectedseiasdeenthoweiateeddemiadateuaiwere 19 15 Restart the burner after an error ssssssssrssssssnrrnnnnnnnnsunrnnnnnrrnrnnnnne 19 16 Feeders filling r dedure ceienies cnsesasnexeendaunnseseunankenneneindeeuucesmmmessans 19 17 Burner s safety Systems ssssssssssrsrrsrrrnrnsrssssnsnnnnrnnnnnarnnrnrrrnren 20 13 EONS 2 21 19 Warranty ERE ENER EE EE 22 MPB 50 Wood Pellet Burner Installation Ma
4. 3 seconds This mode activates procedures connected with the burner s putting out i e burning off and cleaning While activating the driver for the first time the STOP mode is activated Every next time its status is saved in the regulator s non volatile memory Activating the driver again Megatherm wood pellet burner MPB serie s automatically causes switching on of the lately used working mode In the table beneath a short description of particular functions of the burner activated depending on the working mode of the driver is shown HANSON DESCRIPTION OF FUNCTIONS NAME STOP Burner stopped Filling the feeder FEEDER PIECING Filling stops automatically after about 10 minutes IGNITION Ignition of pellet The mode would be automatically changed after detecting a flame by the sensor CLEANING The cleaning of the burner from he left ashes The cleaning function also as a blow down before ignition Heating the boiler up to the set temperature Showing the actual WORK power of the burner MAINTAIN Sustaining the set temperature if the burner s working mode is in the mode of continuous work Putting off the burner Active in the STOP mode or in the PURMINGOEF temporal working mode of the burner STANDBY Standby of the burner for the decline of the temperature of a hysteresis if the burner s working mode is in the temporal mode Megatherm wood pellet burner 8 Parameter s
5. at the maximum power it is set 2 When thermostat is OFF the burner burns off This is mostly suggested for low consumption houses less than 3 000kg year or for connecting with timer If external control Yes Manufacturer s settings 1 When thermostat is ON the burner works at the maximum power it is set 2 When thermostat is OFF the burner goes at maintain mode and keeps a small fire In both cases when the thermostat is OFF the CH pump stops 14 TEMPERATURE CALIBRATION In this menu the manufacturer calibrates the temperature sensors It is possible to add a regular offset for the temperature of the furnace and the warm useful water The parameter is set in the bracket of 10 to 10 C 10 Room thermostat The room thermostat or a timer can be connected on the connector which is at the back of the controller by replacing the bridge or on the PINs 1 amp 2 in the controller It is forbidden to give voltage to this connection The connection with the room thermostat must be only a Cold junction When a room thermostat is connected in the controller we have the two following options If external control No Manufacturer s settings 3 When thermostat is ON the burner works at the maximum power it is set 4 When thermostat is OFF the burner burns off This is mostly suggested for low consumption houses less than 3 000kg year or for connecting with timer 16 Megatherm wood pellet burner MPB serie s If
6. MPB serie s To move round the menu and to set particular parameters there are four buttons placed on the driver s panel MODE 4 MENU OK The parameters chosen by the user are divided into four groups A CH FURNACE SETTINGS B WUW BUFFER SETTINGS C BURNER SETTINGS D DRIVER SETTINGS The division of particular parameters in groups is shown in the Settings table gt CH FURNACE SETTINGS A FUNCTION FUNCTION SETTING SETTING MANUFACTURER NO NAME UNIT RANGE SETTING TE EET NE AEE c px 5 Em e ow om 5 fre Winter Summer Winter gt WUW BUFFER SETTINGS B FUNCTION FUNCTION SETTING SETTING MANUFACTURER NO NAME UNIT RANGE SETTING ae 20 80 ao 2 re k Pony ae 3 ee Yes No No 10 Megatherm wood pellet burner MPB serie s gt BURNER SETTINGS C FUNCTION FUNCTION SETTING SETTING MANUFACTURER NO NAME UNIT RANGE SETTING BURNER POWER i 2 1 WORK KW 10 80 30 BURNER POWER 2 MAINTAIN kW 23 3 BURNER ve Continuous ie 3 MODE Single Continuous j BURNER FLAME j T MEASUREMENT 2 Burner has 3 modes continuous mode single mode and analogue mode Single mode The burner reaches the desired HEATING WATER TEMPERATURE and burns off Then it starts its operation again when the temperature of the boiler goes down to the tempera
7. R E 5 SEREORMENGE kg h 5 0 25 0 20 0 PELLETS FEEDING i 7 6 PERIOD seconds 10 60 20 7 PvP PELLETS multiplier 0 2 4 1 0 AIR FLAME DETECTOR gt 2 8 TRESHOLD K 5 9 10 FURNACE PROTECTION 80 9 OVERHEAT C 60 90 i IGNITION STABILIZATION SE See BOs ii MAXIMUM BURNER POWER iy Scone age MINIMUM FURNACE P 7 3 12 TEMPERATURE C 20 60 35 p EXTERNAL CONTROL i SEEING is TEMPERATURE i F r 14 CAERA HON C 10 0 10 0 0 0 12 Megatherm wood pellet burner MPB serie s 9 Manufacturer s menu Activation of Manufacturer s menu In order to activate the manufacturer s settings menu go to the settings menu of the driver DRIVER SETTINGS and sub menu ENABLE SERVICE MODE and with the help of buttons MENU OK and or choose the code 112 Then press MODE and leave the sub menu go to the menu MANUFACTURER SETTINGS CAUTION Manufacturer s settings are exclusively the suggestion All of the values depend on the kind of solid fuel the sysytem the user s requirements etc The producer of the burner reserves the changes of the ranges of settings in next versions of the driver Description of manufacturer s settings E MANUFACTURER SETTINGS 1 FEEDER FILLING TIME In this menu the manufacturer sets the time of the feeder s filling The time is the protection from filling up of the burner This time depends on the angle of arrival of the large feeder The parameter is set in the brac
8. d the burner s chamber to be cleaned once a week 15 16 Restart the burner after an error 1 Turn off the burner by pressing the button on or Fi 2 Open the boiler s door and check the burners tube 3 Remove any ashes and impurities from burners tube 4 Close the door and switch on the controller by pressing the button g 5 By pressing the button MODE gt once changes the operation from Stop to ignition By pressing the button MODE gt changes the operation from Ignition to Automatic Feeder s filling procedure Remove the plastic tube connection the burner with the feeder Reset the controller by pressing the button I Stop appears on the LCD scree By pressing the button MODE D once changes the operation from Stop to BR U N e ignition 5 CHOICE FUNCTION appears on the LCD screen 6 Press the button to start the feeder KS 19 Megatherm wood pellet burner MPB serie s 7 Feeders operation lasts 11min Manufacturer s setting Feeder s filling time 8 When the wood pellet starts to come out of the feeder switch off the controller 9 Connect the feeder with the burner by using the plastic pipe 17 Burners safety systems For total fail safe security the burner is equipped with four safety systems 1 The plastic pipe connecting the feeder with the burner This tube will melt away from the burner in event of a too high temperature th
9. e ash to accumulate The exhaust gas channels should not be so narrow that they can easily be clogged with ash The distance between the front edge of the burner and the rear part of the combustion chamber should be at least 350mm for the MPB 50 and500mm for the MPB 80 burner The minimum distance to the bottom of the fireplace depends on the boiler design There must be enough space for the quantity of ash build up that is created during at least one week s use in the winter heating season 5 Chimney We recommend that you have a local chimney sweeper or other corresponding authority make an inspection and provide advice and instructions on the chimney measurements in accordance with local codes and regulations The chimney should then of a length and diameter that gives a draught of 10 25 Pa Measures have to be taken if the chimney is smaller or much larger in diameter in order to give the proper draught and flow If there is not enough draught in the chimney exhaust gases stack in boiler s combustion camber or in the chimney with the risk of explosion Also gas flow into the boiler s room can happened Always check the exhaust gas temperature Directly after the boiler it should be from 160 C to 250 C Too high a temperature can damage the chimney and is not economical Too low a temperature a very high chimney or a large chimney diameter creates a risk for condensation that can cause corrosion and damage due to freezing
10. ereby breaking contact between pellets fuel replenishment and the burner 2 The burner s fall tube is equipped with a back burn protection system which is triggered at 65 C The back fire protection system is placed on the fall tube In the event of the alarm being triggered always investigate the cause and rectify 3 The Overheating Boiler sensor STB sensor which is activated when the boiler s temperature is higher than 95 C When this protection is activated the light next to the STB sensor is ON and the the feeder is turned off The you must reset the STB sensor the feeder to work again 4 The photo sensor senses that ignition has taken place and is running normally 20 Megatherm wood pellet burner 18 Errors MPB serie s Indication Description Solution CH 11111 STOP WUW III Malfunction of the water temperature sensors 1 The driver starts up relevant emergency procedures for every sensor in order to prevent the boiler from working beyond the safe range for the installation of the central heating 2 When the boiler cools down then restart the controller and set the burner on automatic mode Furnace protect The temperature in the boiler is higher than 92 C If the temperature is above 95 C the STB sensor is activated and the feeder is turned off automatically the light next to the STB sensor is ON At any case the pumps are activated to avoid higher temperatur
11. es 1 Wait till the boilers water temperature goes down to 60 C 2 Reset the STB sensor so the light next to it to be OFF 3 Restart the controller and set the burner at automatic mode Burner alarm The temperatures on burner s feeder pipe is higher than 65 C Back fire protection This is happened either the chimney s draught is no the appropriate or the burner hasn t been cleaned 1 If the temperature goes down to 60 C and the photo sensor scans light then the burner s operation continuous normally 2 If the temperature goes down to 60 C and the photo sensor doesn t scan any light then the signal Burner alarm is still on the LCD and you must restart the controller NO pellet 1 No pellet on the silo 1 Fill up the silo with pellet 2 Fill the feeder with pellet Filling feeder procedure 3 Set the burner at automatic mode 2 The feeder doesn t work If the light next to STB sensor is ON it means that overheat of the boiler has occurred and STB has turned the feeder OFF 1 Reset the STB sensor so the light next to it to be OFF 2 Restart the controller and set the burner at automatic mode Check the cable from feeder to the controller 3 Problem during ignition procedure Burner s tube hasn t been cleaned properly 1 Clean the burner 2 Restart the controller and set the burner at automatic mode Igniter doesn t work 1 Change the igniter in
12. et of 60 to 90 C The furnace s protection can be activated when e working of room thermostat and simultaneously surpassing the protection temperature of the furnace e setting Summer function and simultaneously surpassing the protection temperature of the furnace e setting the STOP mode and simultaneously surpassing the protection temperature of the furnace surpassing the temperature of the heating water over 90 C 10 IGNITION STABILIZATION When ignition has occurred the air fan works for the time which has been set by this parameter This operation drives the ignition gases out of the boiler faster 11 MAXIMUM BURNER POWER In this parameter the installer can set the maximum burner power where the user can set by visiting the burner s menu This prevents the user to set the burner at a maximum power than the one it is required by the system 12 MINIMUM FURNACE TEMPERATURE In this menu the manufacturer sets the minimal temperature of the furnace which can be set by the user The activity of the room thermostat causes the setting of the boiler 15 Megatherm wood pellet burner MPB serie s into this parameter The minimal temperature of the boiler is set in the bracket of 20 to 60 oC 13 EXTERNAL CONTROL room thermostat This parameter it is activated only if room thermostat it is connected on the controller If external control No Manufacturer s settings 1 When thermostat is ON the burner works
13. external control Yes Manufacturer s settings 1 When thermostat is ON the burner works at the maximum power it is set 2 When thermostat is OFF the burner goes at maintain mode and keeps a small fire In both cases when the thermostat is OFF the CH pump stops 10 11 12 13 First use Ensure that the installation has been done according to this manual Ensure that the plastic pipe is not connected to burner s feeding pipe Fill the feeder up with wood pellet by connected the power supply cable of the controller with the feeder s cable alternative you can fill the feeder by following the direction of paragraph 14 The filling of the feeder lasts 8 13min depended on feeders incline Ensure that the feeder is full Let the feeder working after the first pellets come out of the feeder for 10 15 minutes locate a plastic bag at the exit of the feeder Empty the plastic bag and place it back at the exit of the feeder Connect again the power supply cable of the controller with the feeder s cable for 2 minutes Weight the wood pellet which is in the bag for example 0 8kg Multiply it by 30 minutes 0 8x30 24kg hr This is the feeder s performance Repeat the steps 4 8 2 3 times until you make sure that you weight the right quantity Place this value i e 24kg hr on manufacturer s settings menu in the parameter 5 Feeder Performance Connect the power cable back to the controller and also we plug the feeders cable t
14. ipulate the working mode of the WUW pump with a priority or without it The driver enables the control of the furnace s work thanks to the room thermostat It is possible to steer the heating in relation to the actual temperature in the room The regulator is also equipped with the self control systems detecting the malfunction of the temperature s sensors and mechanisms monitoring the furnace s work preventing from going beyond the range of safety for the installation of the central heating 3 Technical specifications Type MPB 50 MPB 80 25 50kW 40 80kW Heat outup 21 800 68 800Kcal 34 400 68 800Kcal Maximum pellet consumption 5 10kg hr 8 16kg hr Average pellet 18 90kg 30 140kg consumption day Lenght total 565mm 610mm Width 270mm 270mm Height with feeding pipe 565mm 565mm Height without feeding pipe 280mm 280mm Diameter 180mm 180mm Power supply 230Volt 80Hz 230Volt 80Hz Average power consumption 40 50Watt approx 40 70Watt approx Fuel Wood pellet Wood pellet g 6 8mm hymidity lt 10 g 6 8mm hymidity lt 10 Weight 18kg 19kg Fedder s length 1 5m 1 5m Megatherm wood pellet burner MPB serie s 4 Boiler It is important to check that the combustion chamber in the boiler is big enough to ensure that the flame does not come in contact with the water cooled walls Verify that the boiler s capacity range complies with the burner There must be enough space for th
15. ket of 5 to 20 minutes 2 PELLETS IGNITION TIME In this menu the manufacturer sets the time of the pellet s ignition After the lapse of time the ignition cycle restarts The cycle is repeated once again Unsuccessful trials of ignition are seen on the screen as a message no pellets The cause of this condition may be also a broken or dirty flame s sensor The time of ignition is set in the bracket of 1 to 15 minutes 13 Megatherm wood pellet burner MPB serie s 3 FAN POWER IGNITION In this parameter the producer sets the power of the fan during the pellet s ignition The fan s power is set in the bracket of 5 to 50 If chimney s draught is over 15Pa then the parameter stays at 10 If chimney s draught is from 0 to 15Pa then the parameter must change to 15 20 4 PELLETS DOSE IGNITION In this parameter the manufacturer sets the dose of fuel needed to ignite the burner The parameter is set in the bracket of 50 to 500 grams Depending the pellet s quality the parameter can change from 280gram to 340grams The default value is 320grams 5 FEEDER PERFORMANCE In this parameter the manufacturer sets the performance of the feeder The whole work of the burner is based on this parameter The parameter is set in the bracket of 5 to 45 kg h with the step of 500grams 6 PELLETS FEEDING PERIOD In this parameter the manufacturer sets the period of feeding the pellet After the lapse of time the driver releases the next dose
16. nual January 2012 Version 2 Megatherm rreserves the right to change part or parts of this manual at any time without prior notice Megatherm wood pellet burner Warnings Cautions and Notes Read the safety instructions carefully before installation Always follow the safety instructions during installation and during maintenance MPB serie s Installation operation service and other work must be carried out by qualified personnel in accordance with local codes and regulations Always follow the instructions for operations and service Children and adults should be alerted to the hazards of high surface temperatures and should stay away to avoid contact to skinand or clothing There is a risk of burn from touching the equipment during operation The burner casing burner body flange and flame trap pipe are hot surfaces during operation Keep children away and do not touch the equipment during operation Only wood pellets are to be used with this burner No other fuel is to be used in the burner NEVER BURN ANY TYPE OF CORN CHERRY PITS STICKS OR OTHER TYPES OF FUEL IN THE BURNER Burning wood pellets according to recommendations and the specifications set forth will assure longer burner life and lessen potential maintenance issues Young children should be carefully supervised when they are in the same room with the burner
17. o the controller Switch on the controller and set the burner at Automatic mode When the maximum power of the burner is reached from 25 to 80kW then adjust the burners flame by calibrating the air For the MPB 50 the parameter Overflow pellet s air at Manufacturer s menu is set at 1 0 and the burning air is calibrated by adjusting the damper of the air fan For the MPB 80 the burning air is calibrated just by changing the value of Overflow pellet s air at Manufacturer s menu The value must be between 0 25 0 5 17 Megatherm wood pellet burner MPB serie s 12 Start of the burner 1 Activate the controller by pressing the button J 2 Itis written on the LCD screen the following CH C WUW C STOP 3 By pressing the button MODE lt gt once changes the operation from Stop to ignition By pressing the button MODE gt changes the operation from Ignition to Automatic 4 In Automatic mode starts the operation of the burner CH temperature WUW temperature CH 39 5 C 1 WUW 23 6 C IGNITION Burner function 5 When the photo sensors detects fire then the burner starts its Work by increasing its power gradually to the power it has been set i e 30kW 6 When the boiler s water temperature reaches the desired temperature HEATING WATER TEMPERATURE the the power of the burner goes down ta 3kW Maintain mode 7 The burner wo
18. of fuel In the cycle of maintain the parameter is ten times multiplied The feeding period of the pellet is set in the bracket of 10 to 60 seconds 7 OVERFLOW PELLETS AIR In this parameter the manufacturer sets the overflow of the air needed to burn the specified amount of the pellet This parameter should be increased if during the working cycle too low capacity of the fan would be noticed The overflow of the air is set in the bracket from 0 2 to 4 For the MPB 50 burner the default value is 1 0 Manufacturer suggests the calibration of the burning air to be made just from the damper on the air fan For the MPB 80 the default value is 0 4 Manufacturer suggests the calibration of the burning air to be made by changing the parameter between 0 25 0 50 14 Megatherm wood pellet burner MPB serie s 8 FLAME DETECTION TRESHOLD In this parameter the manufacturer sets the flame s detection threshold Beneath the pre set threshold s value the burner detects the vanishing of the flame The parameter is set in the bracket of 5 to 90 9 FURNACE PROTECTION OVERHEAT In this parameter the user sets the furnace s temperature which protects from the overheating The protection is activated when a higher temperature than the one that was previously set is reached and when the CH pump is turned off The driver starts the CH pump automatically and switches off the burner The protection of the furnace from the overheating is set in the brack
19. perature sensors KTY 210 Visual signalling LED diodes Signalling the status of outputs LCD screen Messages measurements settings Power supply 230 V 50Hz 2VA Working temperature 5 C 50 C Casing protection IP20 Megatherm wood pellet burner MPB serie s 7 Operation functions After switching the driver on on the LCD screen appears the program s logo defining the type of the driver current version of software and the manufacturer s logo PELLETS DRIVER REG 03 G v4 0 While activating the driver carries out a test of the connected sensors In case of one lacking on the screen appears an appropriate message The work of the driver without a heating water temperature sensor CH is blocked and an emergency mode is activated CH pump is still on CH C WUW C STOP Correct connection of sensors causes displaying of actual CH furnace s temperature and the temperature of useful warm water of the WUW buffer if the function is active On the screen appears which function is currently used by the driver CH temperature WUW temperature CH 39 5 C 1 WUW 23 6 C IGNITION Burner function The driver may work in three working modes STOP IGNITION AUTOMATIC WORK The change of the working mode happens when the MODE 42 button is pressed on the regulator s panel Activating the STOP mode is possible in all modes after pressing the MODE 2D button for
20. rks at Maintain mode till the boiler s water temperature goes down to the temperature HEATING WATER TEMPERATURE CH FURNACE HYSTERESIS 13 Stop of the burner 1 The burner can be either at Work or Maintain or standby 2 Press the button MODE gt continuously till STOP MODE appears on the screen 3 Itis written Burning off till the photo sensor stops to detect fire 3 5 min 4 When he photo sensor stops to detect fire cleaning procedure takes place for few seconds 18 Megatherm wood pellet burner MPB serie s 14 Cleaning burner s chamber xx 1 The burner can be either at Work or Maintain or standby 2 Press the button MODE4 gt continuously till STOP MODE appears on the screen 3 It is written Burning off till the photo sensor stops to detect fire 3 5 min 4 When he photo sensor stops to detect fire cleaning procedure takes place for few seconds 5 When Stop appears on the LCD screen waiting few minutes till the burner cools down 6 Open the boilers door clean the burners tube and close back the door 7 By pressing the button MODE lt gt once changes the operation from Stop to ignition By pressing the button MODE D changes the operation from Ignition to Automatic The frequency of cleaning burner s chamber is depended on wood pellet s quality If premium pellet is used It is suggeste
21. side the burner 21 Megatherm wood pellet burner 19 Warranty 5 years in metal parts 2 years in electric parts feeder s motor amp air fan 1 year in electronic controller No waarranty is given for the heating element igniter Megatherm Pellet heating systems Vasilika Thessaloniki 57006 Greece tel 30 2396023437 www megatherm gr info megatherm gr 22 MPB serie s
22. ture HEATING WATER TEMPERATURE CH FURNACE HYSTERESIS The CH FURNACE HYSTERESIS must be more than 10 C Continuous mode The burner reaches the desired HEATING WATER TEMPERATURE and goes down at 3kW maintain When the boiler s temperature goes down to the temperature HEATING WATER TEMPERATURE CH FURNACE HYSTERESIS the burner increases its power from 3kW maintain to the maximum burner power i e30kW The CH FURNACE HYSTERESIS must be no more than 5 C Analogue mode The burner reduces its power 1 3 for example from 30kW to 21kW 10 C before the furnace reaches the HEATING WATER TEMPERATURE When the temperature of the furnace is 510 C before HEATING WATER TEMPERATURE the burner reduces its power again 1 3 for example from 21kW to 12kW gt DEVICE SETTINGS D FUNCTION FUNCTION SETTING SETTING MANUFACTURER NO NAME UNIT RANGE SETTING Polish 1 A E aa English English Germany Greek FACTORY SETTINGS Here gi 11 Megatherm wood pellet burner MPB serie s ENABLE SERVICE 3 MODE eee 000 999 112 gt MANUFACTURER SETTINGS E FUNCTION FUNCTION SETTING SETTING MANUFACTURER NO NAME UNIT RANGE SETTING FILLING FEEDER p 7 1 TIME minutes 5 20 11 PELLETS IGNITION i 3 2 TIME minutes 1 15 6 FAN POWER p i 3 IGNITION o 9 30 10 PELLETS DOSE p a 4 IGNITION g 50 500 320 FEEDE
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