Mitsubishi 11.2 R32 1Ph Mono ASHP Outdoor Unit Std - PUZ-WM112VAA

The Mitsubishi PUZ-WM112VAA - 11.2kW R32 1Ph Mono ASHP Outdoor Unit UQ is a high-efficiency monobloc air source heat pump designed for space heating and domestic hot water applications, utilizing low-GWP R32 refrigerant for environmentally friendly operation, with ultra-quiet performance for residential installations.

Product Description

The Ecodan PUZ-WM112VAA is Mitsubishi Electric’s ultra-quiet R32 monobloc air source heat pump, offering compact design, superior energy efficiency, and the ability to achieve high water temperatures up to 75°C. It maintains reliable heating down to -25°C ambient, making it ideal for UK climates. This self-contained outdoor unit requires only water and electrical connections, suitable for residential and light commercial use without gas supplies or indoor units.

Key Features

• 11.2kW nominal heating capacity: Delivers efficient heating with inverter technology, maintaining performance at low temperatures.
• A+++ efficiency: ErP rated A+++ for 35°C flow (SCOP 4.78) and A++ for 55°C (SCOP 3.43), reducing costs and emissions.
• R32 refrigerant: Low GWP (675) for sustainable operation.
• Ultra-quiet operation: Sound pressure level of 45 dB(A) at 1m.
• MELCloud enabled: App-based remote control, monitoring, and optimization.
• High-temperature output: Up to 75°C water temperature for versatile applications.
• Scalable system: Up to 6 units can be cascaded for larger applications.

Technical Specifications

• Model: PUZ-WM112VAA – Ecodan R32 Monobloc ASHP.
• Heating capacity (A7/W35): 13.50 kW, COP 4.55.
• Heating capacity (A2/W35): 12.50 kW, COP 3.17.
• Heating capacity (A-7/W35): 12.10 kW, COP 2.80.
• Heating capacity (A2/W55): 11.30 kW, COP 1.93.
• Refrigerant: R32, 3.0 kg.
• Operating ambient temperature: -25°C to +35°C.
• Sound pressure level: 45 dB(A) at 1m.
• Sound power level: 60 dB(A).
• Water flow rate: 17.9 - 40.1 L/min.
• Water pipe connections: G1 (1" BSP).
• ErP rating (35°C): A+++, SCOP 4.78.
• ErP rating (55°C): A++, SCOP 3.43.
• Electrical supply: 220-240V, 50Hz, Single phase.
• Maximum current: 28 A.
• Fuse rating: 32 A.

Dimensions & Weights

• Width: 1050 mm.
• Depth: 480 mm.
• Height: 1020 mm.
• Weight: 119 kg.

System & Application Notes

• Ideal for residential properties requiring ultra-quiet operation.
• Compatible with Ecodan hydroboxes or cylinders for DHW and space heating systems.
• Self-contained monobloc design requires only water and electric connections; no refrigerant handling on site.
• Supports low-carbon heating solutions, MCS certified, and eligible for government incentives like RHI.
• Installation must be carried out by qualified engineers following Mitsubishi guidelines.
• Smart features optimize energy use with renewable sources and off-peak tariffs via MELCloud.