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Hitachi Set Free Mini R410A Single Phase VRF Heat Pump Outdoor Unit Inverter

Hitachi Set Free Mini R410A Single Phase VRF Heat Pump Outdoor Unit Inverter

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Product Overview: At a Glance

The Hitachi Set Free Mini R410A Single Phase VRF Heat Pump Outdoor Unit delivers a compact, flexible, and highly efficient HVAC solution. Designed for residential and light commercial spaces where space-saving is crucial, it supports simultaneous heating and cooling with advanced R410A inverter technology.

Key Features & Benefits

  • Ultra-compact design - footprint up to 37% smaller than traditional systems, ideal for tight spaces.
  • Flexible zoning - supports 2-pipe and 3-pipe configurations, with heat pump models from 4 to 6 HP.
  • High capacity support - Hitachi Set Free Mini units can accommodate up to 39 indoor units on higher-capacity models for large-scale applications.
  • Enhanced installation flexibility - external static pressure up to 30 Pa and piping lengths up to 500 m for versatile placement.
  • GentleCool operation - adjustable off-coil air temperature for immediate comfort without cold drafts.
  • Low noise and high efficiency - smooth drive control optimises COP during low-load operation.
  • Durable protection - triple coating safeguards outdoor units from corrosive and extreme environments.
  • Maintenance-friendly - built-in inspection window and smart defrosting for easy servicing.

Typical Applications & Use Cases

Perfect for residential, office, and small commercial buildings, the Set Free Mini VRF unit provides precise temperature control across multiple zones. Its compact footprint and flexible piping options make it suitable for plant rooms, rooftop installations, or areas with limited space, while supporting simultaneous heating and cooling where required.

Technical Overview

The Set Free Mini R410A VRF system uses inverter technology to efficiently deliver capacities from 4 HP to 6 HP, depending on the model. It supports up to 39 indoor units, accommodates both 2-pipe and 3-pipe configurations, and allows long piping runs up to 500 m. With low noise operation, GentleCool temperature control, and advanced corrosion protection, it ensures reliable, energy-efficient performance in a wide range of installations.

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

  • Set-Free FS(V)NME Mini 2 Pipe Heat Pump
  • Mini Set Free VRF 1 Phase - Heat Pump
  • VRF SET FREE Mini S and L (2-pipe / 3-pipe)

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Variant Variant total Quantity Price Variant total
Hitachi air conditioning unit on a white background
RAS-4FSVNME - 4HPRAS-4FSVNME
RAS-4FSVNME - 4HPRAS-4FSVNME
£0.00
£0.00/ea
 £0.00
£0.00
£0.00/ea
 £0.00
Hitachi air conditioning unit on a white background
RAS-5FSVNME - 5HPRAS-5FSVNME
RAS-5FSVNME - 5HPRAS-5FSVNME
£0.00
£0.00/ea
 £0.00
£0.00
£0.00/ea
 £0.00
Hitachi air conditioning unit on a white background
RAS-6FSVNME - 6HPRAS-6FSVNME
RAS-6FSVNME - 6HPRAS-6FSVNME
£0.00
£0.00/ea
 £0.00
£0.00
£0.00/ea
 £0.00
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Hitachi Set Free Mini R410A Single Phase VRF Heat Pump Outdoor Unit Inverter FAQs

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.
Are VRF outdoor units weather resistant?
Yes, VRF outdoor units are built for year-round UK operation, with weather-resistant casings and components designed to withstand varying conditions.
How many indoor units can connect to one outdoor VRF unit?
Depending on the model and capacity, a single outdoor VRF unit can connect to multiple indoor units, making it scalable for small or very large projects.
What does the outdoor unit do in a VRF system?
The outdoor unit houses the compressor and manages refrigerant distribution to all connected indoor units. It adjusts output based on demand, ensuring high efficiency.
What’s the difference between R410A and R32?
R410A has been widely used for years in HVAC systems, but it has a higher GWP compared to R32. Many new systems now transition to R32 for improved energy efficiency and to meet stricter environmental regulations.
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.

We're Here To Help With All Hitachi VRF Requirements

Need any help with our range of Hitachi Set Free Mini products? Our team is here to aid you with all Hitachi VRF system enquiries. Whether you need guidance on choosing the right centralised controller, installation advice, or ongoing support, our specialists in Hitachi commercial HVAC solutions can assist. Contact us today for expert advice and reliable service.

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