Page 1
INTERIO PELLET BOILER 18/25 USER AND MAINTENANCE MANUAL...
Page 2
Dear users, Congratulations on choosing a boiler from the IMPORTANT INFORMATION production range of ThermoFLUX d.o.o. We kindly ask all individuals operating and handling the boil- The initial commissioning and user training er to thoroughly study this manual and adhere to must be performed by a service technician the instructions for use and safety.
CONTENT: Content: Language selection Notes on the manual Stand by status Simple and safe operation Stand bymode with a built-in water Technical changes temperature sensor Copyright Stand by mode with a connected Safety measures room thermostat Warning signs The buzzer option Other warnings Filling the spiral General overview of the boiler...
Non-compliance may result in life-threatening tions provided in this manual. injuries. Technical Changes RISK OF SUFFOCATION DUE TO CARBON ThermoFLUX d.o.o. continuously develops and improves its boi- MONOXIDE. lers. The information provided in this manual was accurate at the time of printing. WARNING! All details in this manual regarding standards and regulations Risk of bodily injury.
OTHER WARNINGS Overheating of the system. If the heating system overheats despite all safety elements, the following steps should be taken. • Do not open the fireplace doors. Never touch hot surfaces! • Turn off the boiler by pressing the button for 3 seconds.
GENERAL OVERVIEW OF THE BOILER The Interio 18 and 25 boilers have a modern design, intended for users who do not have enough space for installing boilers with large pellet storage tanks. The boiler is compact and requires only 1m² for installation. With a 50 kg pellet storage capacity, digital...
Technical specifications Unit of mea- Interio 18 Interio 25 surement Boiler weight Operating power range 5 - 18 7-25 Water content in the boiler Minimum flue draft Mba/Pa 0,05/5 0,05/5 Supply/return pipe inch 1’’ Efficiency 89,7 90,7 Flue gas temperature °C...
SAFETY INSTRUCTIONS PROPER USE Basic principles The Interio boiler is designed and tested in compliance with the Fuel that can be used in stoves safety provisions derived from the EN 303-5:2012 directive; however, improper use may result in physical injuries, potentially leading to the death of the user and/or third parties, as well as damage to the boiler itself or other material assets.
Local standards The system startup is performed by personnel autho- During installation and assembly, all local laws, standards, rized by ThermoFLUX d.o.o., or the importer. and regulations in effect in the country where the boiler is being installed must be followed.
Chimney and flue gas pipes Conditions for installation The following conditions must be met before the system can be put into operation. The boiler installation must be done according to regulations The boiler must be connected to the chimney. The chimney with a minimum distance of 50 cm from the sides and 40 cm should be designed and built in accordance with the EN from the rear of the boiler.
Page 11
Wall brackets Outer casing and insulation Cleaning access The boiler must not be connected: • T-piece with to a chimney or flue pipe that is connected to and used by cleaning access another heat source (gas boilers, wood boilers and stoves, pellet boilers and stoves) •...
LEGEND Starting point Solar Return heating Manometer Safety valve Heating circuit Bleed valve Filling/drain valve Shut-off valve Circulation pump Temperature sensor Accumulation tank Ball valve Thermometer Mixing valve Check valve Overflow vessel Expansion tank Electrical connection NOTE 1. Solar heating is controlled by a separate regulation. Electrical connection Hall sensor Domestic hot water...
BUTTON DESCRIPTION The boiler comes with a built-in circulation pump, expansion ve- Increase in temperature and program functions ssel, and safety valve. On the back of the boiler are connection (setting day, time...) points for: • Decrease in temperature and program functions Power supply 230 VAC, 50 Hz (setting day, time...) •...
The regulation on “Interio” pellet boilers is the central electronic component. It consists of the main control module and a control unit with a display located on the body of the boiler. The control unit allows you to manage the boiler’s functions and check the information about the current state of the boiler.
Schematic representation of the menu on the control system Pressing the SET button takes us to the main menu. MENU VALUE DESCRIPTION Menu 01 SETTING TIME TABLE NUMBER 1 AND DATE SET TIME M- 2 - 1 Menu 02 ACTIVATE TABLE NUMBER 2 SET program PROGRAM...
Page 17
TABLE NUMBER 1 MON - SUN SETTING THE DAY OF THE WEEK 00-24 SETTING THE HOUR SETTING THE MINUTES 00-59 SETTING THE DATE 01-31 1-12 SETTING THE MONTH 00-99 SETTING THE YEAR TABLE NUMBER WEEK PROGRAM (∏ - 2 - 3) BUTTONS 1 AND 2 - SELECT THE BUTTONS 5 AND 6 NAVIGATE HAS THE POSSIBILITY...
Setting the clock The clock is set in the following way: Setting programmed ignition and shutdown The boiler has the ability to be programmed for ignition and shut- down during the day, regulated in three ways. (Diagram 1) DAY PROGRAM, where 2 (two) different ignition and shutdown ti- mes for the boiler can be set.
Diagram 2. Diagram 3. Diagram 4. Language selection The STAND BY function can be set to ON or OFF as follows: Activate the STAND BY mode by pressing the SET button, then use buttons 5 or 6 to select menu item MENU 04 – STAND BY STATUS. Language selection is performed by pressing the SET button, then Pressing the SET button opens the ON or OFF selection (choose using buttons 5 or 6 to navigate to menu item MENU 03 –...
The buzzer option STAND-BY FUNCTION SET TO ON If the STAND BY function is activated (ON), when the boiler reac- hes the set temperature and exceeds it by 3°C, the boiler will shut The BUZZER option is used if you want the boiler to emit a sound down after a 2-minute delay, which was pre-set at the factory.
IGNITION AND SHUTDOWN Boiler shutdown To turn off the boiler, press button 4. hold for 3 seconds. Sequence of ignition and regulation description The display will show FINAL CLEANING. The intake fan operates at maximum power, while the pellet dispenser stops working. The basic function of the regulation is to ensure reliable ignition of the fuel, optimal combustion conditions, and controlled shut- down sequence.
Modulation Cleaning is divided into: • Daily • Periodic As the water temperature in the boiler approaches the set value, the regulation starts to modulate its operation and sets it to mi- nimal power. Modulation starts 4°C below the set temperature. Daily cleaning and inspection For example: If we set the boiler temperature to 65°C and the power to 5, the regulation will work at power 4 when the tempe-...
Cleaning the ash container Under the cover, there are two plates with a spot where • the cleaning lever is placed. Turn off the boiler and wait for it to cool down • With a protective glove, pull the closing handle downward and open the door, remove the ashtray from the boiler, and empty the contents of the tray into a fireproof container.
Remove the cover and remove the accumulated ash in the chamber (preferably with a vacuum cleaner), also vacuum the ash deposits from the fan blades. Removing the side panel If it becomes necessary to remove the side panel (in case of clea- ning flue pipes, unblocking the circulation pump, etc.), the proce- dure is as follows: •...
ALARMS DISPLAY DESCRIPTION SOLUTION Cancel the alarm can be executed Alarm active- by pressing the button 4 indicated next to the sign for alarm After that, the display lists FINAL CLEANING lasting 4 minutes. After that we can restart the boiler if we solve the problem. The flue gas temperature sensor is faulty or SMOKE SENSOR not connected.
BOILER AND PROPER DISPOSAL. The boiler must be commissioned by a qualified technician Disposal authorized by ThermoFLUX d.o.o, or the authorized importer. The boiler must operate in accordance with the conditions expressed in this manual. The following elements are made of iron and can be disposed of at waste disposal sites.
Page 27
Visit our website www.servis.thermoflux.ba and find out the prices of service services and parts. You can find the list of service providers, as well as authorized representatives for other coun- tries, on our website www.thermoflux.ba. INT ER IO 18 /2 5...
Page 28
Thermoflux d.o.o. Bage 3, 70101 Jajce Bosna i Hercegovina +387 30 65 71 00 www.thermoflux.ba tfinfo@thermoflux.ba ThermoFLUX...
Need help?
Do you have a question about the Interio 18 and is the answer not in the manual?
Questions and answers