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Summary of Contents for Opop Naturo 12
- Page 1 OPOP NATURO User Manual...
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Page 2: Table Of Contents
Contents 1. Introduction....................3 2. Boiler characteristics… ..................3 3. Technical description ..................3 4. Technical specifications .................. 7 5. List of replaceable spare parts… ..............10 6. Safety instructions for boiler installation............10 7. Safety instructions for boiler operation… ............14 8. -
Page 3: Introduction
20 metres. The OPOP NATURO boiler belongs to the highest emission class and is intended for burning solid fuels, specifically dry, split firewood. The boiler must be connected to a chimney suitable for its output. - Page 4 On both sides of the boiler, there are secondary air dampers. These dampers should remain closed when lighting the boiler to maximise chimney draught. Once the boiler is fully loaded with firewood, the secondary air dampers can be opened to the marked position. The purpose of secondary air is to improve emissions and ensure the combustion of gases at a higher flame temperature.
- Page 6 3.2 Internal features of the boiler Inside the boiler, there are two grates. One is a sliding grate, which moves using the grate lever, and the other is a fixed slanted grate, which is suspended on hooks and does not move. The loading chamber is lined with shielding plates, which protect the boiler plate from combustion by- products, thus extending the boiler’s lifespan.
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Page 7: Technical Specifications
TECHNICAL SPECIFICATIONS OPOP NATURO 16 Data name Unit wood Operational draught – minimum Operational draught – recommended 18–22 Nominal heat output [kW] 16 * Efficiency 88.6 Boiler class as per ČSN EN 303-5+A1 Warranty-approved fuel Firewood Water volume [ l ]... - Page 8 Naturo Naturo Naturo Naturo Naturo [kg] Boiler weight G2" inlet/outlet connection (external thread) G 1/2" Cooling loop circuit (internal thread) Drain and fill connection G 1/2" (internal thread) Connection for output regulator installation G 3/4" (internal thread) [mm] 1082 A – total boiler height [mm] 1011 B –...
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Page 10: List Of Replaceable Spare Parts
List of replaceable spare parts 3ó=o 7003211... -
Page 11: Safety Instructions For Boiler Installation
7003213 Rear cover assembly 7003256 Spacer plate, left front 5771012 OPOP NATURO 16 nozzle 7003246 Front cover plate Safety instructions for boiler installation The boiler must always be installed in accordance with applicable standards and regulations. The manufacturer’s safety instructions must be followed. - Page 12 We recommend having the boiler professionally inspected once a year, preferably before the heating season, focusing on the correct connection of the flue, expansion vessel, wear on the grates, etc., and ensuring the correct functioning of the cooling circuit and draught regulator. Connection to the chimney The boiler may only be installed to a chimney that complies with ČSN 73 4201:2010 (Chimneys and Flue Pipes).
- Page 13 It is not permissible to install boilers in living spaces, including hallways. A continuous air supply for combustion must be provided to the room where the boiler is installed. The boiler must be installed in compliance with the requirements of ČSN 06 1008 – Fire safety of thermal equipment.
- Page 14 Connection of boiler with overheating protection device The OPOP Naturo boiler is equipped, in accordance with the requirements of ČSN EN 303-5+A1:2023 and Government Regulation No 26/2003, with a safety heat exchanger for dissipating excess heat. This device ensures that the maximum water temperature in the boiler does not exceed 110 °C. The safety heat exchanger is designed as a flow water heater, controlled at the inlet by a thermostatic discharge valve.
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Page 15: Safety Instructions For Boiler Operation
• failure to make the recommended connection of the cooling circuit to the boiler as per the operating instructions may lead to overpressure in the cooling circuit, potentially causing leakage. Damage caused in this way is not covered by warranty •... - Page 16 • prolonged operation at low temperatures below the dew point of flue gases (65 °C) • incorrectly sized boiler relative to the heat loss of the space being heated • boiler ignition with the bypass damper closed • improper operation. •...
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Page 17: Installation Of Boiler And Accessories
Since the OPOP NATURO boiler has the same connection dimensions as U26 cast-iron boilers, U26 flanges can be used. These flanges screw onto the boiler connectors. - Page 18 8.3 Filling valve installation At the lower rear of the boiler, there is a G 1/2” connector with an internal thread for connecting the filling/bleed valve. This valve can be found among the boiler accessories in the ashpan compartment. After filling the boiler/system with water, close the valve. The maximum overpressure of the heating water is 2 bar.
- Page 19 8.5 Installation of the primary damper regulator The primary air damper controls the boiler’s output and combustion quality. It can be adjusted manually using an adjustable screw. Alternatively, it can be connected to a primary damper regulator chain. If the damper is connected to a regulator chain, the screw on the damper should be set to allow for minimal opening.
- Page 20 8.6 Changing the position of the grate lever The grate lever is used to move the sliding grate. This enables the grate to be cleaned. Move the lever to the second limit position to allow all the ash to fall into the ashpan. By default, the lever is installed on the right-hand side of the boiler.
- Page 21 which also houses the thermo-manometer (fig. 3). Another screw is located near the ash door at the bottom (fig. 4). Additional screws are located at the rear of the boiler (fig. 5). Remove the cotter pin of the grate mechanism on the external side of the boiler, beneath the side cover.
- Page 22 Install the locking bolt (right) and the grate rod (left) The locking bolt and the grate rod are installed Reinstall the cotter pin and then reinstall the boiler side cladding.
- Page 23 Loading door To change the door opening, you must first unscrew the front cover with the OPOP logo. 4 screws hold this cover in position. 2 can be found at the front bottom of the cover, see fig. 1. The other two can be found after removing the upper cover, see fig.
- Page 24 The door can then be slid into place and secured with the shaft. The final step is to reposition of the door closing handle and the locking pin to the opposite side of the door. Note that a groove is burned into the door to position the handle on the other side, as shown in fig.
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Page 25: Boiler Operation
8.9 Checking the movement of the bypass damper. The bypass damper has a rod extending from the upper rear part of the boiler (a lever with a black ball as a handle). Check that there is nothing blocking the movement of the rod. Slide the handle towards the boiler and then out of the boiler. - Page 26 Close the secondary air dampers on both sides of the boiler during ignition. This reduces the demand on the chimney draught and slightly increases the draw from the loading chamber to the heat exchanger. Ignite the wood with additional paper placed in the loading chamber or a similar solid fire starter (Pepo).
- Page 27 Opening the primary damper during ignition using the screw on the damper Secondary air dampers positioned to closed during ignition in the boiler Position of the secondary air damper at the marking after fully loading the fuel Wood placed lengthwise Wood placed crosswise...
- Page 28 Minimum opening of the primary damper – the damper should never be Bypass damper closed fully closed Re-loading and opening the loading doors: It is very important to know that during the main combustion in the boiler, it is not recommended to open the boiler door.
- Page 29 Use of the supportive damper: On the ash door, there is a so-called support damper, which can be opened during combustion if the chimney draught does not meet the minimum requirement or if the wood you are using is too dry, or if you are using only soft dry wood.
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Page 30: Boiler And Heating System Maintenance
10. Boiler and heating system maintenance To achieve the highest operating efficiency and thus the best boiler performance, the internal parts of the boiler body must be properly cleaned regularly, approximately once a week (depending on the intensity of heating and the quality of the fuel used). This is done by scraping the build-up from the walls with a scraper and steel brush, which are included among the boiler’s accessories. - Page 31 During this task, ash should be placed in fireproof containers with lids. Not least, be sure to wear protective gear and observe personal safety. The shielding spacer plates in the loading chamber can be removed. They are hinged. You can remove them by moving them upwards and away from the boiler body.
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Page 32: Determination Of The Storage Tank Size
After the heat in the tank has been depleted, the boiler can be restarted. The storage tank ensures thermal comfort while maintaining the quality operation of the boiler. Hydraulic diagrams for connecting boilers to a storage tank are available in the OPOP design documentation. -
Page 33: Troubleshooting
13. Troubleshooting The boiler does not provide sufficient output: have the chimney inspected by a professional company use prescribed fuel that does not exceed the prescribed moisture content check the tightness of the cleaning door check that the cleaning opening is sealed with the cleaning plug check the position of the bypass damper check the flue gas path for leaks clean the boiler and flue gas ducts... -
Page 34: Regulations And Standards
OPOP s.r.o. OPOP NATURO 12 OPOP s.r.o. OPOP NATURO 16 OPOP s.r.o. OPOP NATURO 25 OPOP s.r.o. OPOP NATURO 30... -
Page 35: Identification Labels
Contact details OPOP s.r.o., Zašovská 750, Valašské Meziříčí, 757 01 (*) Tank volume = 45 × Pr × (1 – 2.7/Pr) or 300 litres, whichever is higher, where Pr is expressed in kW (**) Tank volume = 20 × Pr, where Pr is expressed in kW... -
Page 36: Warranty Policy
The OPOP boiler must be installed in a separate boiler room specially designed for heating purposes. The boiler room must provide enough space for the installation and maintenance of the boiler. - Page 37 coverings, use of flammable paints), before starting the work the boiler must be shut down. When the heating season ends, the boiler and flue pipe must be thoroughly cleaned. The boiler room must be kept clean and dry. It is prohibited to interfere with the structure or electrical wiring of the boiler. The manufacturer is not responsible for damage caused by improper settings or operation of the product.
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Page 38: Warranty Certificate
18. Warranty certificate For the OPOP NATURO Hot Water Boiler Manufacturer: OPOP s.r.o., Valašské Meziříčí Tel.: 571 675 589, fax: 571 611 225 Date of dispatch from the factory: Terms of warranty: The user is required to entrust commissioning, regular maintenance, and fault rectification to authorised service professionals only. - Page 39 Steel weldment – we guarantee its permanent tightness for two years from the date of dispatch from the production facility. We provide an extended warranty of 60 months if a pressure expansion vessel is not used in the heating system, the required temperature range of the heating water is maintained, and the leak is due to faulty material or welding work.
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Page 40: Registration Form
We are delighted that you have decided to purchase our product. This decision entitles you to a 20% discount on spare parts. To take advantage of this offer, please complete the registration form and send it to the following address: OPOP s.r.o. Sales Department Zašovská 750 757 01 Valašské... -
Page 41: Contact Information
CONTACT INFORMATION Below you will find a complete directory of contacts to help you obtain comprehensive information, from product orders and spare parts to technical support for installed OPOP products. Sales Department Phone: (+420) 571 675 240 (+420) 571 675 108... - Page 42 OPOP s.r.o. Zašovská 750 757 01 Valašské Meziříčí Bank: UNI CREDIT BANK, Account No 1008228004/2700 Company Registration No 14091704, VAT No CZ14091704 Phone: Sales Department: 571 675 589, Secretariat: 571 611 250, Production: 571 675 405 Supplies: 571 675 114, Financial Department: 571 675 472...
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