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Hybrid Tri-Fuel Boiler Room with Heat Pump, Pellet Burner & Water Treatment
Project Type
Boiler room
Date
June 2024
City
Kyiv
• Heat Sources: Primary Vaillant aroTHERM air-to-water heat pump paired with an Altep solid-fuel boiler retrofitted with a Pellas-X automatic pellet burner; backup Vaillant eloBLOCK electric boiler.
• System Automation & Controls: Integrated Vaillant system controller with VR 70/VR 71 expansion modules, custom electrical control panel with voltage monitoring relays, and a Vaillant internet gateway for remote system monitoring.
• Hydraulics & Distribution: Multi-circuit Meibes manifold with circulation and mixing pump groups; thermal buffer store; Vaillant indirect DHW cylinder.
• Water Treatment & Safety: Multi-stage well water filtration system featuring an Ecosoft softening/filtration column, brine tank, and Big Blue sediment housing; red and blue Zilmet expansion vessels for heating and DHW expansion management.
