NIBE VEDEX 3300 is intended for heating domestic houses and other buildings.
The boiler is environmentally approved for wood firing to the accumulator tank. NIBE VEDEX 3300 can be set for pellet firing.
NIBE VEDEX 3300 is a wood-fired boiler with induction flue gas fan. Max. wood length is 0.5 m. The boiler is designed to be connected to an external water heater for heating domestic hot water.
When firing, the boiler water is partially heated by the hearth and partly by the flue gas ducts.
Average output during wood burning operation is approx. 35kW (max. output is approx. 40kW).
Hot water heating
An accumulator tank with integrated water heater or coil is needed for hot water heating.
The hot water capacity is determined by the choice of water heater size or the length of coil.
Heating
Hot water is taken from the top of the boiler and routed to the accumulators. Return water from the accumulator tanks is lead via a charger pack to the bottom of the boiler. The hot water is led from the accumulators to the radiator circuit via a shunt valve (SV1), where the desired temperature to the radiators is maintained by mixing the hot accumulator water with the cooled return water from the radiator circuit.