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Hitachi Primairy R32 3 Phase Heat Pump Inverter Outdoor Unit

Hitachi Primairy R32 3 Phase Heat Pump Inverter Outdoor Unit

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Product Overview: At a Glance

The Hitachi Primairy R32 3 Phase Heat Pump Inverter Outdoor Unit delivers efficient heating and cooling for commercial and light industrial applications. Featuring advanced inverter technology and R32 refrigerant, it provides reliable performance while reducing energy consumption.

Key Features & Benefits

  • Three-phase inverter technology - optimises energy efficiency and reduces running costs.
  • Wide capacity range - available from ~8.0 to ~16.0 kW to suit various commercial spaces.
  • R32 refrigerant - environmentally friendly with lower global warming potential.
  • Reliable performance - ensures consistent heating and cooling year-round.
  • Seamless indoor unit integration - works with compatible units for optimal comfort.
  • Compact and robust design - suitable for commercial rooftop or external installations.
  • Reduced energy consumption - inverter control adjusts output to match demand efficiently.

Typical Applications & Use Cases

Ideal for commercial offices, retail units, and light industrial environments, the Primairy R32 outdoor unit delivers precise climate control while minimising energy costs. Its flexibility and compatibility make it suitable for new builds or retrofitting into existing systems.

Technical Overview

With cooling and heating capacities between 8.0 and 16.0 kW (capacities approximate series' upper 3-phase range (full: 7-17kW cool / 8-19kW heat)), the Primairy R32 inverter units combine R32 refrigerant efficiency with advanced inverter modulation. Designed for three-phase power, they integrate seamlessly with Hitachi indoor units, providing reliable, energy-efficient climate control for medium to large commercial spaces.

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Items on this page may also be known under the following references:

  • Primary ODU RAS-(U/T)NES(N/M)H1
  • R32 Global PAC Primairy RPFC Floor / Ceiling

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Hitachi outdoor air conditioner on a white background
RAS-5.0UFESMH1 - 5HPRAS-5.0UFESMH1
RAS-5.0UFESMH1 - 5HPRAS-5.0UFESMH1
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£0.00/ea
 £0.00
£0.00
£0.00/ea
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Hitachi outdoor air conditioner on a white background
RAS-6.0UFESMH1 - 6HPRAS-6.0UFESMH1
RAS-6.0UFESMH1 - 6HPRAS-6.0UFESMH1
£0.00
£0.00/ea
 £0.00
£0.00
£0.00/ea
 £0.00
Hitachi outdoor air conditioner on a white background
RAS-6.5UFESMH1 - 6.5HPRAS-6.5UFESMH1
RAS-6.5UFESMH1 - 6.5HPRAS-6.5UFESMH1
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£0.00/ea
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Hitachi Primairy R32 3 Phase Heat Pump Inverter Outdoor Unit FAQs

What is the Hitachi Primairy range?
Primairy is Hitachi’s cost-effective commercial VRF solution, designed for small to medium-sized projects.
Why choose Hitachi Primairy?
It offers reliable performance, simplified installation, and competitive pricing, making it ideal for budget-conscious projects.
Does the Primairy range still provide high efficiency?
Of course, despite being cost-effective, Primairy systems maintain energy-efficient operation for long-term savings.
What is a heat pump?
A heat pump transfers heat rather than generating it through combustion, offering efficient heating and cooling. Modern heat pumps can deliver multiple units of heating for every unit of electricity consumed, helping lower running costs.
What is R32 refrigerant and why is it used in HVAC systems?
R32 is a next-generation refrigerant with lower global warming potential (GWP) than older gases such as R410A. It delivers high efficiency while helping reduce environmental impact, making it a popular choice for modern heat pumps and air conditioning units in the UK.
What does inverter technology mean in HVAC?
Inverter-driven compressors adjust their speed to match demand, rather than switching on and off. This improves efficiency, reduces energy use, and delivers more consistent comfort compared to non-inverter models.
What’s the difference between single-phase and three-phase HVAC systems?
Single-phase systems are common in UK homes and small businesses, while three-phase systems are designed for larger commercial or industrial applications where higher power and efficiency are required.

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Need any help with our range of Hitachi Primairy products? Looking for advice on Hitachi heat pump systems? Our team is here to support you with both air-to-water heat pumps and RAC (Room Air Conditioning) split systems. Whether you need efficient residential heating and cooling or a commercial renewable energy solution, we can provide expert recommendations. From product selection and energy efficiency advice to installation and after-sales service, we make sure you get the most from Hitachi heat pump technology. Contact us today for help with your Hitachi heat pump or RAC system.

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