Mitsubishi
The Mitsubishi Ecodan R32 Ultra Quiet monobloc PUZ-WM85VAA is an 8.5kW air source heat pump, MCS certified with an ErP A+++ rating at 35°C and a SCOP of 4.84. It uses R32 refrigerant and offers quiet operation.
The Mitsubishi Ecodan R32 Ultra Quiet monobloc PUZ-WM85VAA (8.5kW) is a key component in modern UK domestic heating systems. This 8.5kW monobloc air source heat pump is designed for efficient performance, offering a robust solution for both new builds and retrofits. Engineers and homeowners alike can find comprehensive technical specifications, operational data, and installation considerations here, aiding in informed decision-making for heat pump integration and maintenance across the UK.
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Full technical specifications extracted from the manufacturer brochure. Empty sections are hidden.
The Mitsubishi Ecodan R32 Ultra Quiet monobloc PUZ-WM85VAA is an 8.5kW air source heat pump, utilising R32 refrigerant with a charge of 2.2 kg and a GWP of 675. This monobloc unit delivers a nominal capacity of 8.5 kW at A-7/W35 and 8 kW at A7/W55, with a maximum flow temperature of 55°C and operation down to -20°C ambient. Its efficiency is notable, achieving an ErP rating of A+++ at 35°C and A++ at 55°C, with a SCOP of 4.84 at 35°C and 3.48 at 55°C. The unit is MCS certified, ensuring compliance with UK installation standards. Physically, the outdoor unit measures 1020mm high, 1050mm wide, and 480mm deep, weighing 98 kg. Sound emissions are managed with a sound power level of 58 dB LwA and a sound pressure of 45 dB at 1m, with a quiet mode available. Electrical requirements include a single-phase 50Hz supply with a 25A MCB rating, and a minimum water flow rate of 24 lpm through 28mm pipework is specified.
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Specifications on this page are extracted from the manufacturer brochure. Always cross-check against the latest datasheet before commissioning or quoting. Last updated 28 June 2026.