The Westbo Classic is a traditional wood-burning stove designed for heating residential spaces, combining classic aesthetics with modern combustion technology. Its primary function is to efficiently convert wood fuel into heat, which is then radiated into the room and circulated through a convection system.
Function Description
The stove operates on a principle of controlled combustion, drawing in air to fuel the fire and then expelling smoke through a chimney system. It is equipped with three air controls, allowing users to regulate the intensity of the fire and optimize combustion efficiency.
- Air Supply: The Westbo Classic features three distinct air controls to manage the combustion process. These controls allow for precise adjustment of the airflow into the burning chamber, influencing the rate of burn and heat output.
- Combustion Chamber: This is where the wood fuel is placed and burned. The design of the chamber, along with the air supply, aims to achieve a clean and efficient burn.
- Smoke Pipe: Smoke generated during combustion travels upwards through the smoke pipe, eventually exiting the building via the chimney.
- Convection Air System: The stove incorporates a convection system where air circulates around the hot smoke pipe and combustion chamber, heating up and then being released into the room. This helps distribute heat more effectively than radiant heat alone.
- Smoke Deflectors: These components are designed to increase the path of the smoke within the stove, allowing for more heat to be extracted from the exhaust gases before they enter the chimney. This enhances the stove's efficiency.
- Grate Shaker: A lever-operated grate shaker mechanism is included to facilitate the removal of ash from the burning chamber, allowing it to fall into the ash tray below.
- Ash Tray: Located beneath the burning chamber, the ash tray collects the ash, making it easy to dispose of.
Usage Features
The Westbo Classic is designed for user-friendly operation, from initial setup to daily firing and maintenance.
- Preparation for Installation: Before installation, it is crucial to inspect the stove for any transport damage. The stove should be carefully lifted off its pallet. For top connections, the center of the chimney hole needs to be measured and cut in the ceiling, ensuring it accommodates a 5.5-6 inch spigot (flue pipe). For rear connections, specific instructions must be followed.
- Chimney Connection: The stove can be connected to a new chimney, and it is recommended to follow the chimney supplier's instructions. A flue length of at least 3.5 meters from the stove's connection point is advised. Sharp bends and side pulls in the flue can negatively impact draft. A flue spigot is recommended for connection, and sealant should be applied to all joints. If a rosette collar is part of the connection kit, it should be placed on the flue pipe before connecting the stove.
- Building Notification and Regulations: Before installing the fireplace and chimney, a building notification is required. Users should consult local authorities for advice on building regulations and obtain necessary permissions.
- Floor Protection: To prevent sparks from damaging the floor in front of the stove, appropriate floor protection is necessary. This can include materials such as metal sheets, glass, tiles, or natural stone, with specific thickness requirements (e.g., 0.7 mm for metal sheet). Local regulations should be checked.
- Structural Support: If the building has wood joists, it is important to ensure they are strong enough to support the combined weight of the stove and chimney.
- Placement Near Combustible Walls: Specific distances to combustible walls must be maintained when placing the stove, as detailed in the instruction manual, to prevent fire hazards.
- Assembling the Stove: The assembly process involves several steps:
- Unpacking and checking for completeness and damage.
- Placing the main body of the stove and removing the transportation lock.
- Positioning the upper smoke deflector on top of the main body.
- Removing the upper part of the stove from the pallet, saving bolts and braces.
- Unscrewing the smoke pipe from the pallet and placing it on the main body against the sealing rope. If an adjustable ring is included, it is assembled at this stage.
- Threading rods through holes on the smoke pipe.
- Assembling cast iron rings and the steel tube.
- Assembling the 6-piece crown (if used) and placing the ring on top of the stove, fastening it. This step also allows for minor adjustments to the outer body for alignment. A steel shield is not needed if the distance to the ceiling exceeds 500 mm.
- Placing the lower smoke deflector on the cast iron rib.
- If a lion emblem is to be used, it is assembled by drilling 2x3.5mm holes.
- Finally, connecting the stove to the chimney.
- Firing Up: Fire starters or similar products are recommended for a quick and clean ignition. Lighter fluid should never be used. Thin wood and fire starters are placed in the burning chamber. The primary air control (2) on the lower door should be open, and in some cases, the lower door itself may need to be kept open. The grate should also be open (lever on the left). Air control 1 should be closed, and control 3 open (3-4mm). Once the fire is well-established, the air supply from underneath, the lower door, air control 2, and the grate can be closed.
- Continuous Firing: For ongoing heat, air controls 3 and 1 are used. Air control 3 primarily regulates the combustion rate. Users will learn to adjust this based on the burning chamber temperature and chimney draft. Once the stove is hot, air control 1 can be opened slightly (1-2mm) for optimal efficiency and clean burning. A recommended wood consumption is 1.5 to 3 kg per hour.
- Wood Handling:
- Preparation: Wood logs should have a diameter of 6-10 cm and be 6 cm shorter than the fireplace opening to allow for proper air circulation. Larger diameter logs should be split to dry better.
- Storage: Split wood logs should be stored for 1-2 years before use. Before burning, they should be stored at room temperature. Wood absorbs moisture in autumn and winter, so proper storage is important.
- Moisture Content: Wood logs must be dried to a maximum of 21% moisture, with 15-18% being ideal for best performance and fuel economy. A simple test is to knock two logs together; a dull sound indicates too much moisture. Burning moist wood is inefficient, produces less heat, causes soot on glass and in the chimney, and is environmentally harmful.
- Forbidden Fuels: It is strictly forbidden to burn painted, pressure-treated, glued wood, chipboard, plastic, or treated paper. These materials release harmful substances that damage the environment, the stove, and the chimney. Only clean wood logs should be used.
- Calorific Value: Different wood species have varying calorific values. Birch wood is recommended for its good calorific value. Oak or beech have higher calorific values but should be used in smaller quantities to avoid damaging the stove. Pine and spruce also have higher calorific values than birch.
Maintenance Features
Regular maintenance ensures the longevity and safe operation of the Westbo Classic stove.
- Emptying the Ashes: The ash tray is accessed by opening the lower door. Ash can be shaken down from the burning chamber using the grate lever. The ash tray should be emptied in a safe place, as embers can remain for several days.
- Cleaning Glass: Special glass cleaners, available from dealers, should be used for cleaning the stove's glass. Abrasive cleaners should be avoided.
- Chimney Fire Protocol: In the event of a chimney fire, all doors and air controls must be immediately closed. If necessary, authorities should be contacted.
- Inspection: It is recommended to contact a chimney sweeper for an inspection after installation and periodically thereafter.
- Installation by Authorized Technician: To ensure proper function and safety, the installation of the stove should ideally be carried out by an authorized technician. The dealer can recommend suitable technicians.
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