About the SRC63ZR-W
The Mitsubishi Heavy Industries SRC63ZR-W is the high-performance outdoor component of a split air conditioning system, engineered to deliver exceptional climate control for larger residential or commercial spaces. As the 'engine' of the system, this Premium Inverter unit combines robust power with advanced energy-saving technology to provide reliable, year-round comfort.
With a nominal cooling capacity of 6.3kW and an even more potent heating capacity of 7.1kW, the SRC63ZR-W is ideally suited for spacious environments such as open-plan living areas, master suites, small-to-medium offices, retail shops, or specialised applications like server rooms that require consistent temperature management. Its significant output ensures that desired temperatures are reached quickly and maintained effectively, regardless of the external weather conditions. The unit's capability as a heat pump makes it a versatile, all-in-one solution for both the hot summer months and the cold UK winters.
The core of the SRC63ZR-W's performance lies in its advanced inverter technology. Unlike traditional fixed-speed systems that operate on a harsh start-stop cycle, the inverter continuously adjusts the compressor's speed to meet the exact demand of the room. This intelligent modulation prevents energy wastage, results in significantly lower electricity consumption, and maintains a more stable and comfortable indoor temperature. This efficiency is reflected in the high SEER and SCOP ratings achieved when paired with a compatible indoor unit, leading to tangible savings on energy bills over the unit's lifespan.
Demonstrating a commitment to environmental responsibility, this model uses R32 refrigerant. R32 has a Global Warming Potential (GWP) that is almost 70% lower than the older R410A refrigerant, making it a more sustainable choice that helps reduce the system's overall carbon footprint without compromising on performance. The unit is built for durability and reliability, designed to operate effectively across a wide range of outdoor temperatures, right down to -15°C for both cooling and heating modes. This ensures dependable performance throughout the year, from frosty winter mornings to summer heatwaves.
Installation flexibility is a key design feature. The SRC63ZR-W supports a maximum total pipe length of 30 metres and a maximum vertical height difference of 20 metres between the indoor and outdoor units. This provides installers with considerable freedom when siting the unit, allowing it to be placed discreetly on a flat roof, in a garden, or on a side wall, optimising aesthetics and minimising acoustic impact. The unit comes pre-charged with refrigerant for pipe runs up to 15 metres, simplifying the installation process.
It is essential to note that the SRC63ZR-W is an outdoor unit and must be installed as part of a complete system with a compatible Mitsubishi Heavy Industries indoor unit. Due to the use of fluorinated greenhouse gases (F-Gas), UK regulations mandate that the installation, commissioning, and subsequent maintenance of this equipment must be performed by a qualified and F-Gas certified engineer. This not only ensures legal compliance but also guarantees the safety, efficiency, and warranty validity of your system.
Applications
- Large open-plan living and dining areas
- Small to medium-sized commercial offices
- Retail shops and boutiques
- IT server rooms and communications closets
- Doctor's surgeries or veterinary clinics
- Large home gyms or converted workshops
Installation guidance
- Requires a dedicated 230V/1ph/50Hz power supply.
- Mains power is connected directly to this outdoor unit.
- A 16A fuse or circuit breaker is recommended for protection.
- Supports a maximum total pipe length of 30 metres.
- Allows for a 20m maximum vertical height difference between units.
- Connects via 1/4" liquid and 1/2" gas flare pipes.
- Unit is pre-charged for pipe runs up to 15 metres.
- Installation and commissioning must be carried out by an F-Gas certified engineer.
Frequently asked questions
Is this a complete air conditioning system?
No, this product is the outdoor unit only. It must be paired with a compatible Mitsubishi Heavy Industries indoor unit (such as the SRK63ZR-W) to create a functioning system.
What size room is this 6.3kW unit suitable for?
This unit is designed for larger spaces, typically between 45 and 65 square metres. However, final suitability depends on factors like insulation, ceiling height, and window coverage, so a professional calculation is recommended.
Can this unit provide heating in winter?
Yes, this is a heat pump model with a powerful 7.1kW heating capacity. It is an efficient, year-round climate control solution capable of operating in outdoor temperatures as low as -15°C.
Can I install this unit myself?
No. Due to the R32 refrigerant, UK law requires that any installation, servicing, or handling of the refrigerant circuit must be performed by a qualified and F-Gas certified engineer to ensure safety, compliance, and warranty validity.
