Hitachi AirHome-600 Wall Mounted Air Conditioning RAK-VJ42RHAE / RAC-VJ42WHAE

Hitachi airHome 600 Air Conditioning RAK-VJ42RHAE / RAC-VJ42WHAE, 4.2kW-16000BTU Wall Mounted System, Inverter Heat Pump, + Wi-Fi Included.

The Hitachi airHome 600 air conditioning system (RAK-VJ42RHAE indoor unit paired with RAC-VJ42WHAE outdoor unit) is a compact wall mounted split air conditioning solution designed for small residential rooms.

This inverter-driven air conditioning system provides efficient cooling during warmer months and reliable heating in colder conditions, offering year-round climate control for bedrooms, home offices and apartments.

Key Features

DC Inverter Technology

The Hitachi airHome 600 air conditioning system uses inverter control to adjust compressor output according to room demand. This helps maintain stable indoor temperatures while improving energy efficiency compared to fixed-speed systems.

FrostWash Self-Cleaning Technology

Hitachi’s FrostWash function helps maintain the cleanliness of the heat exchanger by freezing and defrosting accumulated dust and particles, supporting long-term airflow performance.

AQtiv-Ion Air Purification

Integrated ionisation technology designed to help reduce airborne particles and support improved indoor air quality.

Mold Guard Function:

Helps reduce internal moisture build-up inside the indoor unit after cooling operation.

Built-In Wi-Fi Connectivity

This air conditioning system includes integrated Wi-Fi, allowing control via the Hitachi airCloud Go app for remote temperature adjustment and scheduling.

Quiet Operation

Engineered for low operating sound levels, making it suitable for bedrooms and quiet living areas.

Technical Specifications

Indoor Unit: RAK-VJ42RHAE
Outdoor Unit: RAC-VJ42WHAE

• Nominal Cooling Capacity: 4.2kW class

• Nominal Heating Capacity: Approx. 5.0kW class

• Refrigerant: R32

• System Type: Wall Mounted Split Air Conditioning System

• Power Supply: 220–240V / 1 Phase / 50Hz

• Compressor Type: DC Inverter

• Wi-Fi: Integrated

Suitable Applications

This Hitachi airHome 600 air conditioning system is suitable for:

• Bedrooms (approx. 30m² depending on insulation and heat load)

• Small home offices

• Apartments

• Study rooms

Room size suitability depends on insulation levels, glazing, ceiling height and internal heat gains.

What’s Included

• RAK-VJ42RHAE Indoor Unit

• RAC-VJ42WHAE Outdoor Unit

• Infrared Remote Controller

Pipework, trunking and installation materials are supplied separately at extra cost unless stated.

Installation

This air conditioning system must be installed and commissioned by an F-Gas certified engineer in accordance with UK regulations. Manufacturer warranty is subject to compliant installation and registration.

Warranty: This air conditioning system comes with 3 years manufacturer’s only parts warranty.

Please Note, this air conditioning system has to be installed by an F-GAS certified installer in accordance with F-GAS Regulations, and to validate and maintain the above manufacturers parts warranty, we have teams of installers and service engineers nationwide and we’d like to install this system for you, please contact us for installation price. Alternatively you may hire an F-GAS certified installer to install this system and provide us the evidence of it once installation is completed. This is a requirement of the Article 11 (5) EC/517/2014 on fluorinated greenhouse gases and The Fluorinated Greenhouse Gases Regulations 2015.