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Summary of Contents for Megatherm Nani 35
- Page 1 Wood-pellet burner Nani 35 Wood pellet burner Nani 35 Installation & User Manual This manual is for the Installer. Read, understand, and follow these instructions for safe installation and operation.
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Page 2: Table Of Contents
18. Burner's safety systems ............. 19. Errors ..................20. Warranty .................. Nani 35 Wood Pellet Burner Installation Manual - June 2015 - Version 3 Megatherm reserves the right to change part or parts of this manual at any time without prior notice... -
Page 3: Warnings, Cautions, And Notes
Wood-pellet burner Nani 35 Warnings, Cautions, and Notes Read the safety instructions carefully before installation. Always follow the safety Electric switch must instructions during installation and during used to the power supply maintenance cable as an emergency stop Installation, operation, service, and other... -
Page 4: The Principle Of Working
Wood-pellet burner Nani 35 The principle of working The burner's operation is based on providing fuel via controlling the feeder appropriately and also the air fan which steers the burning process. After reaching a particular temperature of the heating water, the burner goes into the mode of maintaining the temperature or switches the burner completely off. -
Page 5: Boiler
Wood-pellet burner Nani 35 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 the ash to accumulate. -
Page 6: Description Of The Controller
Wood-pellet burner Nani 35 Description of the controller Description: Diodes signalising the status of outputs and the working mode of the driver, LCD screen used for communication between the device and the user, Buttons steering the driver's work. DESCRIPTION OF BUTTONS: Πλήκτρο... - Page 7 Wood-pellet burner Nani 35 TECHNICAL CHARACTERISTICS OF THE CONTROLLER Sensors: KTY-210 Measurement range: 0 – 120 °C Measurement resolution: 0.1 °C Time of measurements: Data's reading: LCD screen 2x20 signs Steering outputs: • Igniter: ~230V 2A (0.8A) • Feeder: ~230V 2A (0.8A) •...
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Page 8: Operation Functions
Wood-pellet burner Nani 35 Operation functions After switching the burner on, it is appeared on the LCD screen the program's logo defining the type of the driver and the version of the current software PELLETS DRIVER ** REG-03/G v4.0 ** While activating, the burner carries out a test of the connected sensors. - Page 9 Wood-pellet burner Nani 35 In the table beneath a short description of particular functions of the burner, activated depending on the working mode of the driver, is shown. FUNCTION'S DESCRIPTION OF FUNCTIONS NAME STOP Burner stopped. Filling the feeder. FEEDER FILLING Filling stops automatically after about 10 minutes.
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Page 10: Parameter's
Wood-pellet burner Nani 35 Parameter's To move round the menu and to set particular parameters there are four buttons placed on the driver's panel: “MODE/ ”, “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”. - Page 11 Wood-pellet burner Nani 35 SELF CLEANING TIME 0-60 BURNER FLAME 0-100 ------- MEASUREMENT ** 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 temperature “HEATING WATER TEMPERATURE - CH FURNACE HYSTERESIS”.
- Page 12 Wood-pellet burner Nani 35 FAN POWER 5 - 50 (IGNITION) PELLETS DOSE 50 - 500 (IGNITION) FEEDER kg/h 5.0 – 45.0 14.0 PERFORMANCE PELLETS FEEDING seconds 10 - 60 PERIOD OVERFLOW AIR multiplier 0.2 - 2 (WORK) OVERFLOW AIR multiplier 0.2 - 2...
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Page 13: Manufacturer's Menu
Wood-pellet burner Nani 35 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/ "... - Page 14 Wood-pellet burner Nani 35 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%.
- Page 15 Wood-pellet burner Nani 35 OVERFLOW PELLETS AIR (MAINTAIN) In this parameter the manufacturer sets the overflow of the air needed to burn the specified amount of the pellet during “Maintain” mode. 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.
- Page 16 The PT 1000 sensor is given by the manufacturer under request and it is used to measure temperature higher than 100 C (industrial applications). Notice: Nani 35 is not suggested to be installed in industrial applications. EXTERNAL CONTROL (room thermostat) This parameter, it is activated only if room thermostat it is connected on the controller...
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Page 17: Room Therostat
Wood-pellet burner Nani 35 1. When thermostat is ON, the burner works 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. -
Page 18: First Use
Wood-pellet burner Nani 35 First use – adjusting the burner's fire 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 following the direction of paragraph 16 (Feeder's Filling Procedure). -
Page 19: Stop Of The Burner
Wood-pellet burner Nani 35 “ignition”. By pressing the button “MODE/ “ 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 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) -
Page 20: Restart The Burner After An Error
Wood-pellet burner Nani 35 By pressing the button “MODE/ “ once changes the operation from “Stop” to “ignition”. By pressing the button “MODE/ “ changes the operation from “Ignition” to “Automatic”. ** The frequency of cleaning burner's chamber is depended on wood pellet's quality. -
Page 21: Self Cleaning
Wood-pellet burner Nani 35 17. Self cleaning operation Self cleaning can be activated only when the burner is equipped with an electro- valve and it is connected with an air-compressor. Minimum requirements for air-compressor: 10Lt at 7bar, or 6Lt at 8 bar... -
Page 22: Errors
Wood-pellet burner Nani 35 19. Errors Indication Description Solution / 1. The driver starts up relevant emergency CH: !!!!!! WUW: !!!!!!! procedures for every sensor in order to prevent STOP the boiler from working beyond the safe range Malfunction of the water... -
Page 23: Warranty
Wood-pellet burner Nani 35 20. Warranty 2-years in metal parts 2-years in electric parts (feeder's motor & air-fan) 2-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...
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