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Water heater VTS VOLCANO VR MINI 3 EC (compact hydronic fan heater)
VTS VOLCANO VR MINI 3 EC is a compact hydronic fan heater designed to provide forced convection heating using a building's hot water system. The device combines a water coil and an electronically commutated (EC) motor-driven fan to deliver controlled airflow and quick heat transfer in small commercial and light industrial spaces. The unit is suitable for wall or ceiling mounting and is intended to operate as a local heating source where a reliable connection to a central hot water circuit is available.
The integrated EC motor offers precise airflow regulation with higher electrical efficiency and lower noise compared with conventional motors. The compact housing and modular design simplify installation in confined spaces and allow mounting on walls or ceilings. Because the heater uses hydronic heating, it integrates directly with existing boiler or district heating systems, eliminating the need for electric resistive elements and reducing on-site electrical load. The forced convection layout ensures fast room warm-up and uniform heat distribution.
Install the VOLCANO VR MINI 3 EC on a suitable wall or ceiling surface following local mounting regulations and ensuring secure support for the unit weight. Connect the hydronic coil to the building hot water supply and return lines using appropriate fittings and ensure the system is flushed and filled according to plumbing practices. Supply electrical power to the EC fan motor and controls per wiring diagrams provided by the manufacturer. Adjust fan speed and any available control settings to match required room temperature and flow rates. Commission the unit by checking for leaks, verifying proper airflow, and confirming stable operation at the intended water temperature and pressure.
For efficient and reliable operation, use the unit with water temperatures and flow rates compatible with hydronic fan coil practice and follow routine maintenance: periodic coil cleaning, inspection of fan and motor connections, and verification of pipe fittings. Coordinate control settings with the building heating system to avoid short-cycling and ensure uniform distribution of heat. Consult a qualified HVAC technician for system integration, balancing, and seasonal servicing.
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