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BM2 BIEMMEDUE SCUDO PELLET 200 Instruction Manual

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SPACE HEATER
SCUDO PELLET
INSTRUCTION
MANUAL
1
L-L 327.00-BM-EN

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Summary of Contents for BM2 BIEMMEDUE SCUDO PELLET 200

  • Page 1 SPACE HEATER SCUDO PELLET INSTRUCTION MANUAL L-L 327.00-BM-EN...
  • Page 2 Contents Page Par. Declaration of conformity General Conditions of supply General advice Installation instructions Floor installation Electrical connections Burner electrical connections 4.2.1 Service tank electrical connections 4.2.2 Scudo pellet electrical connections 4.2.3 Check of the correct phase rotation - phase warning lamp 4.2.4 Connection to hot air ducts Air delivery ducts...
  • Page 3 Distributed energy consumption Smoke extractor Lambda sensor Main fan Pellet service tank and pneumatic conveying Air compressor Container Loading from a tank truck 16.1 Reset alarm for no pellets in the container/silos 16.2 Scudo pellet safety devices Alarm consultation 17.1 Inverter faults and warning codes 17.2 Maintenance operations...
  • Page 4 L-L 327.00-BM-EN...
  • Page 5 1. GENERAL Space heaters described in this manual, are designed for use in medium to large-sized rooms and buildings where a fixed or mobile heating system is required. The air required for combustion, is suctioned directly by the burner (6) attached to the machine and can be removed: •...
  • Page 6 The following are also supplied: use and maintenance manuals for o space heater o burner o Service tank o Pneumatic conveying Warning All of the delivered documents constitute an integral part of the equipment. Thus they must be stored carefully and accompany the equipment if it changes owners. The parts must be transported and handled with a manual or automatic forklift with a sufficient load capacity.
  • Page 7 4. INSTALLATION INSTRUCTIONS Warning All operations described in this paragraph must only be performed by professionally qualified personnel. 4.1. FLOOR INSTALLATION The space heater may be installed by placing it: • on the floor in a stable position The centrifugal fan has a panel (B1) containing a sliding flap (C1) to introduce fresh air, to be adjusted only in the case of air suction ducts (see paragraph 4.4.2) Warning The accessory (A1) (see paragraph 4.3.2) for connection of the air suction duct and...
  • Page 8 Warning The accessory (A1) for connection of the air suction duct and panel (B1) with air adjustment flap (C1) must never be removed, even if no air suction ducts are connected: the lack of these panels may cause damage to the fan motor L-L 327.00-BM-EN...
  • Page 9 4.2. POWER CONNECTIONS Warning The heater's power supply line must be earthed and fitted with a residual current circuit breaker. The power cable must be connected to a switchboard equipped with a mains circuit breaker. Before switching on the heater and, therefore, before plugging it into the electrical power supply, check that the power supply specifications are the same as those stated on the dataplate.
  • Page 10 4.2.2 SERVICE TANK ELECTRICAL CONNECTIONS Connect the connection cable with the 5 pin plug between the SCUDO PELLET and service tank 4.2.3 SCUDO PELLET ELECTRICAL CONNECTIONS • Connect the TRH ambient thermostat cable • Insert the power supply plug into the specific socket inside the electrical compartment. •...
  • Page 11 4.2.4 CHECK OF THE CORRECT PHASE ROTATION - PHASE WARNING LAMP When the machine is connected to new mains it is necessary to check that the electrical phases have the right sequence so that the smoke extractor and the pellet suction turbine rotate in the correct direction and create a chamber vacuum sufficient for combustion and good operation.
  • Page 12 4.3. CONNECTION TO HOT AIR DUCTS 4.3.1. AIR DELIVERY DUCTS The space heater is set to operate with direct distribution of air. However, it can be connected to air distribution channels with an appropriate cross-section, if required for specific use needs, with the maximum diameter and length as shown in the “TECHNICAL SPECIFICATIONS TABLE”.
  • Page 13 4.4. CONNECTION TO EXHAUST DUCT Exhaust ducts must be in steel and compliant with EN 1443. Efficient combustion and correct operation of the burner depend on the chimney draught. The unit must be connected to the chimney in conformity to current legal provisions and following the requirements: •...
  • Page 14 4.5 MECHANICAL INSTALLATION Follow the steps below to install and start the machine  Make sure the burner is securely attached on the door  Completely tighten the closures on the burner door  Make sure the heat exchanger closing panel is completely closed ...
  • Page 15 By pressing the key the machine is switched on in the mode: • “0” machine stopped • “V” ventilation • “H” heating • “H+V” heating with forced ventilation Display bar for the smoke extraction status Display bar for the burner work phase By pressing this key you access the main fan menu.
  • Page 16 AUTO: programmable thermostat with room temperature setting and 2 heating time bands for each day with weekly programming By pressing the “calendar” key you access the weekly time programming screen. The SCUDO PELLET works only inside the time bands. The ambient sensor humidity and temperature values are shown on the display L-L 327.00-BM-EN...
  • Page 17 Press the humidity icon to set the limits for the machine to send an alarm to the user Press the graph key to consult the performance graphs over time for: Ta – room temperature detected Tc – combustion chamber temperature that also represents the hot air outlet temperature Trend of room humidity Press the key with the “pellet”...
  • Page 18 o force starting of the pneumatic system for pellet suction from the container o reset tank pellet level alarms o set the available suction time from the automatic suction system for filling the service tank before sending the empty container signal o set the container pellet loading completed: it needs to be reset each time the container is filled o the remaining load is displayed in kg and %...
  • Page 19 to the page of burner energy consumption On this page it is necessary to • implement the consumption in grams of pellets per second • implement the pellet heating power in MJ/kg the program displays: • The total operating hours of the burner •...
  • Page 20 Where it is possible to set the following parameters: • set the delay for smoke extractor shut off after the burner goes off (expressed in minutes) • Set the wash time in the combustion chamber before the burner switches on after having received the request for heat from the room thermostat (expressed in seconds) •...
  • Page 21 Press this key to access the work setting page of the lambda sensor. A password is required to access this page The following parameters can be set: • O oxygen value in the smoke during operation • Min and Max operating range in which the lambda sensor changes the extractor speed •...
  • Page 22 The system displays the following alarms:  Alarm for lack of pellets in service tank  Alarm for lack of pellets in container  Alarm for burner in safety stop  Alarm for overheating thermostat  Alarm for faulty fan motor ...
  • Page 23 Press the WiFi key to access the WiFi network setting page used for remote control of the machine key activates the wifi connection To connect to the network, the name and password need to be written. Press CONNECT for networks without password Press CONNECT SS for networks with password Press DISCONNECT to disconnect from the network Press HOT SPOT to activate the CMT hotspot network...
  • Page 24 6. CONNECTION TO A WIFI NETWORK AND CMT CONFIGURATION 6.1 WIFI ACTIVATION FROM PLC VP4 CMT connection by selecting the end customer WIFI network: from the HMI panel access the wifi set page by clicking on the icon. WIFI SET PAGE 1.
  • Page 25 7. disconnect current wifi, to change wifi first disconnect and then connect to the new wifi 8. Wifi security mode 9. Hot spot activation to enter data to send email (only for tablet and phone) 6.2 TABLET, PC OR SMARTPHONE CONNECTION FOR SETTING DATA FOR SENDING EMAIL By activating a hot spot it is possible to access cmt by WIFI: for example E’...
  • Page 26 6.3 OPENING THE CMT CONFIGURATION MENU Click as shown below to access setting browsing: It is possible to rename the CMT name when entered 6.4. SCUDO NAME ENTRY / CHANGE The name/code is then displayed on the panel L-L 327.00-BM-EN...
  • Page 27 6.5 DATA SETTING FOR SENDING EMAIL For example: L-L 327.00-BM-EN...
  • Page 28 To check if the data entered for sending email are correct, use the CMT viewer to access the control page shown below: Click on the circled icon from the Home Page to enter the page below: Use the “+” key to add the address for the test message to the group A contact list, then press the “arrow”...
  • Page 29 At this point the CMT needs to be reset: Press the key in the upper right Press the + key L-L 327.00-BM-EN...
  • Page 30 Press the configuration key and access the web page Password : 111111 Go to the Project page and press the “Restart project” key Return to the CMT page. Then press “SEND TEST MESSAGE” and if the error led under the button remains on the email has been sent successfully: if not, use the SHOW keys to see which error has appeared.
  • Page 31 If the email has been sent successfully this message will appear in the mailbox: If the email was not sent, the system generates informational messages related to the email configuration data entered: If the email is not generated the led indicated by the arrow will light up in red. L-L 327.00-BM-EN...
  • Page 32 6.6 CMT REGISTRATION IN THE WEINTEK DOMAIN Follow the steps below to register a CMT device: access internet from a pc, tablet or smartphone and enter: https://www.weincloud.net/easyaccess/domain an initial page will appear, access with the correct credentials: Press login Go to the DEVICE section L-L 327.00-BM-EN...
  • Page 33 CLICK ADD HMI, a subpage will appear to enter data, to retrieve Session ID and password, go to the CMT VIEWER section and as shown below enter them in the registration form. L-L 327.00-BM-EN...
  • Page 34 6.7 REMOTE CONNECTION USING THE EASY ACCESS APPLICATION If the local CMT device is on and correctly connected to the internet, enter the application screens using the “CMT viewer” application as shown below: The requested password is 111111 L-L 327.00-BM-EN...
  • Page 35 The following screen appears: L-L 327.00-BM-EN...
  • Page 36 6.8 CREATION OF DEVICE ASSIGNMENT DOMAIN Enter on the browser: https://account.ihmi.net/ Click on Register The above example shows how to set data for creating a domain L-L 327.00-BM-EN...
  • Page 37 Confirm the data and the page appears, click on LOGINNOW L-L 327.00-BM-EN...
  • Page 38 Click on login and access the screen to reach a cmt device 6.9 DATA NETWORK CONNECTION WITH THE SCUDO PELLET SIM CARD It is possible to transmit data to the cloud with an SIM card registered with a data transmission contract First the MOBILE Wi-Fi Hot spot device needs to be connected on the cMT Usb socket The list of devices accepted by cMT and tested by Weintex is as follows: •...
  • Page 39 6.9.1 NAME CHANGE on CMT It is possible to change the machine name. Remotely, access the wifi screen by pressing the indicated key Change the name in the line indicated by the arrow L-L 327.00-BM-EN...
  • Page 40 The new name will appear in the main page and the emails will arrive with the sender “scudolab01” L-L 327.00-BM-EN...
  • Page 41 7. PREPARATION AND ROOM TEMPERATURE SETTING - SWITCHING ON The ambient sensor is composed of a TRH model sensor that transmits the ambient temperature and humidity data to the PLC. The cable can have a maximum length of 50m and must be a SHIELDED type with earthed connection of the shielding.
  • Page 42 For example, if you select AUTO, temperature 21°C and time band 8-12 15-18 the SCUDO PELLET will heat the area in the indicated time bands so the temperature is 21°C. Outside of these two time bands, for each day of the week, even if the room temperature falls below 21°C SCUDO PELLET will not heat the area.
  • Page 43 The machine operating modes are: • “0” machine stopped • “V” ventilation • “H” heating • “H+V” heating with forced ventilation “V” ventilation In this phase only the main fan will push cold air at the speed set from the fan page with the “Man speed fan Hz “...
  • Page 44 8. EXPORTING GRAPHS It is possible to export the data below by pressing the data export key: • Tc machine temperature • Ta room temperature • Ur room humidity The files are sent to the registered email address, exported in .csv format. Use OPEN to open the files in Excel and select the following delimiters on the screen L-L 327.00-BM-EN...
  • Page 45 Select the dot as separator for decimals. Confirm with OK L-L 327.00-BM-EN...
  • Page 46 9 PELLET BURNER The burner is composed of a round combustion chamber, a main fan with variable speed, a dual electrode start-up system, a photocell flame detection system, an internal feed screw to feed the fuel, a flame control board directly connected with the SCUDO PELLET PLC and a compressed air self- cleaning system.
  • Page 47 The burner has been designed to burn quality pellets, with the following specifications: Description Pellet Diameter [mm] 6 Din Plus Max length [mm] Density [Kg/m Lower heating power [KW/kg] Lower heating power [MJ/kg] percentage of humidity max 8 in weight percentage of ashes max 1 in weight 9.1 BURNER SETTING...
  • Page 48 9.2 HOT AIR DELIVERY TEMPERATURE SETTING Select the “Set air temperature” box to set the desired delivery hot air temperature value. The burner will refer to this temperature for modulation of the 5 power stages. The “SA temperature” box displays the temperature which the machine is distributing to the ambient in that moment.
  • Page 49 The power default value set by BIEMMEDUE is “P3”. The default power levels set by BIEMMEDUE are: power level pellet consumption [kg/hr] power [kW] level 1 10.5 level 2 17.5 level 3 19.7 level 4 28.5 level 5 36.9 This table also shows the relative consumptions of pellets at the various powers expressed in kg/h. WARNING! Parameter programming must only be done by qualified technicians authorised by BIEMMEDUE S.p.A.
  • Page 50 9.4 SECONDARY PELLET IGNITER The burner has two hot blade igniters to light the pellets as shown in the following figure: There is a switch on the side of the burner that alternatively lights one or the other glow plugs. If the main glow plug breaks use the switch to light the secondary glow plug.
  • Page 51 9.6 FEED SCREW EXTRALOAD FUSE There is a resettable fuse on the side of the burner that controls the maximum amp of the feed screw in operation. If the feed screw stops for any reason, the fuse trips preventing irreversible damage to the feed screw and control electronics L-L 327.00-BM-EN...
  • Page 52 9.7 ALARM END FUEL Whenever the burner has no pellets, the PLC shows an alarm and put the SCUDO PELLET in stand- The burner display keys turn red. To reset the alarm the burner needs to be reset by pressing on the central key when the burner is in stand-by (the burner will not accept the reset in the cooling phase).
  • Page 53 9.8 BURNER PARAMETERS L-L 327.00-BM-EN...
  • Page 54 10. DISTRIBUTED ENERGY CALCULATION On the second BURNER page, the distributed thermal energy consumption can be consulted by password and has two types of thermal meter. This function is used to count the total thermal energy provided by the combustion of pellets. This count is in real time and measures the real burned thermal power in all burner operation phases.
  • Page 55 11. SMOKE EXTRACTOR The SCUDO PELLET must necessarily work with the smoke extractor that puts the combustion chamber under vacuum. This condition is necessary for correct combustion within the legal limits and to keep the combustion chamber and exchanger as clean as possible. Using the icon on the display: The following page opens: On this page it is possible to select:...
  • Page 56 Press the key To access the page to program the smoke extractor speed in relation to the various machine work phases. Where it is possible to set the smoke suction motor in order to compensate the vacuum in the chamber in the case of installation above 1500 m above sea level, to maintain a 30 Pa vacuum in the combustion chamber.
  • Page 57 12. LAMBDA SENSOR From the smoke extractor screen, press the icon to access the lambda sensor programming phase. The following parameters can be set: • O oxygen value, measured by the lambda sensor in the smoke during operation which must be maintained between 9% and 11%.
  • Page 58 13.MAIN FAN The SCUDO PELLET can operate in two modes:  Fan in automatic mode  Fan in manual mode These two modes can be selected on the main page with the “FAN SETTING” selector Press the key to change the mode When there is a request for heat from the room thermostat, the burner starts and the combustion chamber starts to heat.
  • Page 59 Fan in manual mode By selecting the “FAN SETTING” selector in manual mode, the main centrifugal fan starts to rotate with an initial speed of 25Hz and with a growing ramp until the value set by the end user. To select this speed press the “FAN” button. The following page opens: Press the blue key related to “Man.
  • Page 60 14. PELLET SERVICE TANK AND PNEUMATIC CONVEYING The SCUDO PELLET is supplied with a pellet load tank called “service” where the feed screw draws pellets to be able to feed the burner. The service tank is constantly refurnished by the automatic pneumatic conveyor system that suctions pellets directly from the container.
  • Page 61 Two 50mm diameter pipes, one suction and the other air replenishment, convey the pellets inside the loading cylinder. When the proximity (Px2) detects that the cylinder is full, the suction stops and the unloading hopper valve opens unloading the pellet inside the service tank. The suction restarts after the proximity (Px3) detects that the valve is closed and the tank is sealed.
  • Page 62 Delay time pellet suction The proximity (Px2) located on the top, also has the task of warning the PLC when the container is empty. This happens when the suction time exceeds the programmable time delay time pellet suction without the cylinder being filled: the PLC warns the end user that the container is empty or that the loading system is in safety stop.
  • Page 63 15. AIR COMPRESSOR An air compressor is positioned above the space above the electrical panel with a 50 litre tank. The compressor is connected with the burner and is used to clean it at the end and beginning of every work cycle.
  • Page 64 16. CONTAINER The SCUDO PELLET constantly refills the service tank from the pellet storage container via 2 50mm diameter pipes which can be connected from both parts of the container. Two SCUDO PELLET can also be connected to a single container. 16.1 LOADING FROM A TANK TRUCK The pellet loading tank can be filled directly from a pellet transport tank truck.
  • Page 65 16.2 RESET ALARM FOR NO PELLETS IN THE CONTAINER/SILOS The pneumatic system suctions the pellets from the container and fills the service tank, see par. 14. When the pellets run out in the container the system sends an alarm message to warn the user that the fuel needs to be replenished.
  • Page 66 17. SCUDO PELLET SAFETY DEVICES The scudo pellet has a series of controls to operate safely. They constantly monitor the correct operation of the machine and trip in the event of faults, warning the end user. The safety devices are: Overheat thermostat on the combustion chamber It trips if the combustion chamber is overheated.
  • Page 67 LIMIT thermostat on the pellet feed (in the burner) A thermostat with automatic reset (calibration 60°C) is inserted on the pellet feed pipe inside the burner. It trips in the event of backfire and stops the pellet feed screw thus interrupting the flow of fuel to the furnace.
  • Page 68 The values measured by the Tc sensor can be seen on the PLC display. Two photocells for control of the pellet combustion flame (in the burner) The two photocells constantly control that the flame luminosity is within the limits set on the burner flame control panel.
  • Page 69 Combustion chamber vacuum pressure switch Located inside the electrical panel, the pressure switch is connected to the negative fitting of the combustion chamber and with the positive fitting outside the electrical panel, this is to prevent the vacuum created by the electrical panel fan from impacting the pressure switch reading. An air filter protects the pressure switch from impurities.
  • Page 70 Burner door micro This device controls that the burner door is always tightly shut correctly so that the seal inside the door keeps it airtight and the combustion smoke does not leak from the door. L-L 327.00-BM-EN...
  • Page 71 Lambda sensor The smoke extractor rotation speed control and thus oxygenation of the flame is entrusted to a lambda sensor which controls the oxygen quantity in the smoke to keep the value around the set value. All of the parameters needed for controlling the machine combustion can be set from the dedicated pages.
  • Page 72 17.1 ALARM CONSULTATIONS Press the following key to access the ALARMS page various events recorded by the PLC can be read for faults recorded by the system the PLC indicates a series of alarms on the PLC The active alarm is written in the alarm line of the home screen Press the alarm consultation key to access the page of active alarms L-L 327.00-BM-EN...
  • Page 73 Press the key indicated by the red arrow for 2 seconds, all active alarms that have been solved will be deleted. Alarms that are still active are not deleted. Press the key indicated by the blue arrow to access the alarm log page of resolved alarms. This page is used to provide a history of the alarms occurring to the SCUDO PELLET to understand any critical issues of the machine or installation during the maintenance phase.
  • Page 74 17.2 INVERTER FAULTS AND WARNING CODES When a fault occurs the relative icon is immediately displayed and an error screen appears on the display showing the fault number followed by “F”. Recognition / deletion of the faults • To browse the current fault list, press ▲▼ •...
  • Page 75 Check the power supply voltage • Interruptions in the mains power. Undervoltage • Load peaks above the prescribed limits. r0949 = 0: warning for hardware r0949 = 1 or 2: warning for software Check the following: • The converter is overloaded •...
  • Page 76 18. MAINTENANCE OPERATIONS 18.1 REMOTE DISABLED During machine maintenance phases the possibility for an operator in remote to start the machine should be excluded. The remote connection is disabled by pressing the switch on the main electrical panel Maintenance operations are basically related to cleaning the burner, combustion chamber and exchanger.
  • Page 77 The burner runs an automatic cleaning cycle every 120 hours of operation, increasing the internal fan speed to the maximum. Instead, the burner runs a cleaning cycle with compressed air every 1000 hours. 18.3 CLEANING THE COMBUSTION CHAMBER The machine needs to be stopped every 200 hours of operation to check/clean the combustion chamber. Carry out the following operations: •...
  • Page 78 • Open the door • Clean the combustion chamber and burner with the specific tools L-L 327.00-BM-EN...
  • Page 79 18.4 CLEAN THE FRONT EXCHANGER Carry out the following operations to clean the exchanger: • Open the air outlet • unhook the exchanger door • Extract the exchanger baffle plates • Suction the pellet dust • Reclose everything L-L 327.00-BM-EN...
  • Page 80 18.5 CLEAN THE REAR EXCHANGER Carry out the following operations to clean the rear exchanger: • Remove the two side panels (right and left) • Unscrew the screws to open the exchanger door • Suction the pellet dust • Reclose everything L-L 327.00-BM-EN...
  • Page 81 18.6 LAMBDA SENSOR CLEANING WITH SUCTION AND NEVER WITH COMPRESSED Follow the steps below to clean the lambda sensor: Disconnect the cable from the board in the electrical panel Unscrew the lambda sensor from the chimney Remove any external encrustation with a cloth. L-L 327.00-BM-EN...
  • Page 82 Use a suction to remove encrustations inside the sensor “tapping” gently with a tool. WARNING! Never clean the sensor with a blast of compressed air because combustion residue could plug/clog the exhaust intake holes of the sensor. 18.7 REPLACING THE BURNER GLOW PLUG The pellets are lit by two glow plugs, one in operation and a spare.
  • Page 83 Loosen the fixing screws Fixing screw Loosen the glow plug retaining bolt L-L 327.00-BM-EN...
  • Page 84 Retaining bolt Extract the broken glow plug Disconnect the glow plug from the terminal block. L-L 327.00-BM-EN...
  • Page 85 Remount the new glow plug making sure to centre the tip in the specific centring. L-L 327.00-BM-EN...
  • Page 86 ONLY FOR QUALIFIED TECHNICIAN AUTHORISED BY BIEMMEDUE SPA. 19. BURNER POWER SETTING Calibration of the quantity of pellets needed for ignition and for burner operation is obtained as follows: • extract the hose from the burner stub pipe and place it in a container while the burner is operating at power 5 and gather the pellet of only one discharge cycle •...
  • Page 87 20. TROUBLESHOOTING Message on PLC Fault Possible cause Remedy No pellets in the container/silos Filling the tank “Delay time pellet suction” time Increase the time on the pellet page too short Clogged pellet pipe Free/fix the pellet pipes The proximity Px2 did not close within the “delay time pellet suction”...
  • Page 88 BURNER OVER 90 Overheating of the boiler limit The main fan does not cool the Check the belt tightening and number thermostat Tc > 95°C combustion chamber of motor revolutions at 50Hz Main fan inverted rotation Check the fan rotation direction and invert the phase Excess combustion in the burner Check the burner times - pellets too...
  • Page 89 “Time CC to cleaning time on the Clean the combustion STOP SCUDO - CLEAN UP Clean combustion chamber and “smoke extractor” page has run chamber/exchanger and reset the time COMB.CHAMBER exchanger Pressure switch faulty Replace the pressure switch Pressure switch pipe Replace or clean the pressure switch clogged/damaged pipes...
  • Page 90 Burner photocells dirty or Clean or replace photocells damaged Internal burner feed screw Call the BIEMMEDUE service centre blocked or damaged Feed screw-burner connection Clean the pipe or replace it pipe clogged or not connected Insufficient pellets in the preload Faulty or empty feed screw phase due to a feed screw fault Feed screw partly discharged...
  • Page 91 Faulty main fan Check/replace the motor/inverter Air outlet obstructed Free up the air outlet Air outlet sheath too long or Follow the instructions in the machine closed technical specifications The burner SA air sensor has Combustion chamber clogged Clean the combustion chamber overheated >...
  • Page 92 Excess of pellets in the burner Clean the burner burn pot Burner clogged Clean the burner Feed screw inside the burner Contact the BIEMMEDUE service broken centre L-L 327.00-BM-EN...
  • Page 93 21. TECHNICAL DATA Description u.m. SCUDO PELLET 200 Rated thermal power kW [Hs] 55.73 Yield 1 91.40 Pellet consumption 1 Kg/h 10.56 Thermal gradient 1 °C kW [Hs] 92.47 Yield 2 94.90 Pellet consumption 2 Kg/h 17.52 Thermal gradient 2 °C...