SET FREE mini
Variable Refrigerant Flow System
Heat Pump Series
Johnson Controls-Hitachi Air Conditioning India Limited
Welcome
Air, it's a wonderful thing. Invisible, silent and life-giving, air makes our entire world possible. It surrounds us, continuously energising, cooling and warming. It can be unpredictable and sometimes challenging, but when air is in harmony with us, everything seems much easier. This is our vision: To create the air that makes life better.
Air Conditioning: An Invisible Performance
Behind every outstanding performance, there are people who help run the show smoothly away from the audience's eye. We've developed unique technologies that work behind the scenes to give you comfortable cooling.
Mastery Behind the Scenes
The results are not seen, but definitely felt.
Born in Japan with a Global Presence
Since 1952, Hitachi's cooling and heating technology has been helping make life more harmonious for people around the world. Today, our long heritage of precise Japanese engineering ensures that no detail is overlooked in our quest to create Living Harmony.
Technology of the future with expertise from the past.
Japanese Technology, designed for India.
24 factories around the world.
Air to Unlock New Perspectives
"At Hitachi, we understand the power of 'air', and what it can do to elevate the environment of one's home and businesses. With our unparalleled Japanese heritage, we are constantly evolving and innovating to create cutting-edge products that make the best use of air enabling you to be the air Xperts. We understand the power of collaboration and treasure your trust in us to handle your end-to-end project requirements, from specialized solutions, advisory and installation to lifetime maintenance. With us, you can leave worry at the door."
Helping You Form an Ideal Living Environment
Introducing the new SET FREE mini that sets you free from the restraints of multiple outdoor and same Hi Wall indoor unit combinations. Relax in a comfortable airflow with your centralized air conditioning system and advanced controls that complement your modern lifestyle. SET FREE mini with its innovative technology and compact size offers you more space.
The Art of Choosing
Indoor Unit Styles
- 4 way cassette
- 4 way compact cassette
- 2 way cassette
- 1 way cassette
- Hi wall
- Floor/Ceiling convertible
- In-the-ceiling
- In-the-ceiling (Duct type)
Take Control of the Power
- airCloud Pro
- Wireless remote control
- Touch screen wired control
- Advanced wired remote control
- Central Station mini
Air for Every Need
Air for the new beginnings at home
Air for the perfect workspace
Air for the finest cafés
Air for the best retail space
Solutions by Bedroom Count
Solution for 2BHK
Diagram illustrating unit placement in a 2-bedroom apartment. Includes a table detailing room, indoor unit style, and capacity (HP).
| Room | Indoor Unit Style | Capacity - HP |
|---|---|---|
| Master bed room | In-the-ceiling | 2.5 |
| Children bed room | Hi wall | 2.0 |
| Living room | 4 way cassette | 2.0 |
| Total # of Indoor Units | 3 | 6.5 |
| Total # of Outdoor Units | 1 X 5.0 HP | 5.0 |
Note: airCloud Pro, a WiFi-enabled centralized control of air conditioning system, is recommended as an option.
Solution for 3BHK
Diagram illustrating unit placement in a 3-bedroom apartment. Includes a table detailing room, indoor unit style, and capacity (HP).
| Room | Indoor Unit Style | Capacity - HP |
|---|---|---|
| Master bed room | In-the-ceiling | 2.5 |
| Children bed room | Floor/Ceiling convertible | 2.0 |
| Guest bed room | 1 way cassette | 1.5 |
| Dining room | Hi wall | 1.0 |
| Living room | 4 way cassette | 2.0 |
| Total # of Indoor Units | 5 | 9.0 |
| Total # of Outdoor Units | 1 X 7.0 HP | 7.0 |
Note: airCloud Pro, a WiFi-enabled centralized control of air conditioning system, is recommended as an option.
Solution for 4BHK
Diagram illustrating unit placement in a 4-bedroom apartment with a study. Includes a table detailing room, indoor unit style, and capacity (HP).
| Room | Indoor Unit Style | Capacity - HP |
|---|---|---|
| Master bed room | In-the-ceiling | 2.5 |
| Children bed room | 4 way compact cassette | 1.5 |
| Guest bed room | 1 way cassette | 2.0 |
| Study room | Floor/Ceiling convertible | 2.0 |
| Dining room | Hi wall | 1.0 |
| Living room | 4 way cassette | 2.5 |
| Total # of Indoor Units | 6 | 11.5 |
| Total # of Outdoor Units | (1 x 6.0 HP) + (1x 4.0 HP) | 10.0 |
Note: airCloud Pro, a WiFi-enabled centralized control of air conditioning system, is recommended as an option. *We recommend to use two SET FREE mini ODU for optimum power consumption at partial load.
PANDABLE: Your Space with SET FREE mini
Xpandable Outdoor Unit Range
Exceeds expectations with Xpandable Outdoor Unit range. Compact Outdoor Unit solution which Xpands your space. Xpandable working temperature range - air for every season. Xpandable external static pressure.
Xpand Your Space
Comparison of conventional outdoor units versus compact SET FREE mini outdoor units, showing how SET FREE mini allows for more creative design and decor without space constraints.
Air for Every Season
Xpandable working temperature range: SET FREE mini with its unique 3-Row Coil design enhances heating capability as low as -20°C ambient condition. It also runs stably under high ambient conditions up to 52°C.
Xpandable External Static Pressure
The high external static pressure of condenser fan up to 30 Pa overcomes resistance of hot air path and avoids hot air short circuit conditions, ensuring efficient operation.
Xpandable Indoor Unit Styles
Indulge in the art of choosing with Xpandable style of Indoor Units. Choose from a range of Cassette, Hi wall, In-the-ceiling and Floor/Ceiling convertible units that enhance your interior collection.
Indoor Unit Capacity that Xpands Across All Your Needs
A bar chart illustrates the capacity range (in HP) for various SET FREE mini indoor unit types, including 4 way cassette, 4 way compact cassette, 2 way cassette, 1 way cassette, Hi wall, Floor/Ceiling convertible, In-the-ceiling, and In-the-ceiling (Duct type).
Xpanding Connectivity
Connect multiple Indoor Units (ranging from 2 to 10 units) to a single Outdoor Unit for an artistic presence and flexibility.
Xpanding Diversity for Desired Comfort
SET FREE mini can connect from 50% to 130% of the Indoor Unit capacity against the outdoor capacity, based on usage pattern, ambient temperature, and indoor conditions. This allows for connecting more air conditioning space with fewer Outdoor Units.
Choice of Smart Controllers
Individual Controllers
- airCloud Pro: Smart WiFi-enabled controller with advanced features for remote control and monitoring.
- Wireless remote control: Simple, handy operation from anywhere in the room.
- Touch screen wired control: Elegant design with an ultra-clear touchscreen display.
- Advanced wired remote control: LCD remote with smart functions.
Centralized Controllers
- Central Station mini: Compact touch screen panel for centralized control of up to 160 indoor unit functions.
Leading with Innovative Technologies
Hitachi's SET FREE mini incorporates advanced technologies for enhanced performance and efficiency.
Stepless Compressor Control
Hitachi's intellectual Compressor Driver technology ensures compressor efficiency with accuracy to ±0.1 Hz. High efficiency Twin Rotary Compressors with rare earth magnets, stepless frequency conversion for comfort and lower power consumption, and a broad operating frequency (15-120 Hz) for stability.
Lower Power Consumption
Features a new type self-holding 4-way reversing valve that only operates briefly when the mode changes, saving energy and improving reliability.
Smart Defrosting
Intelligent Defrosting technology automatically learns operating data to determine optimal defrosting cycles, reducing frequency and enhancing heating capacity and comfort.
Single Control PCB Design
Low standby power consumption (less than 5W) and a Single Control Chip Design for rapid response and high reliability.
The Beauty of Silence
SET FREE mini utilizes 10 advanced technologies in the Outdoor Unit for exceptionally silent operation, including low noise DC inverter compressors, low noise fans, BLDC fan motors, anti-vibration designs, and sound insulation.
- Capacity Priority Mode: System runs based on capacity requirement, adjusting compressor and fan speed to lower noise.
- Low Noise Mode (Optional): Offers 3 noise level options, reducing noise by 1-4 dB.
- Silent Night Mode (Optional): Automatically reduces compressor and fan speed when ambient temperature is 30°C or below, decreasing noise by 3-10 dB.
Refrigerant Cooled PCB
Improves reliability at elevated temperatures by dissipating heat via refrigerant, resulting in a 10% average temperature drop and ensuring efficient operation even in extreme conditions.
H-Link II
A network system requiring only two transmission wires to connect up to 64 Outdoor/Indoor Units, offering flexible installation options and centralized controller connectivity.
Piping Flexibility
Longer and more flexible piping has been realized, aiding in dealing with various piping restrictions. Maximum piping lengths and level differences are detailed in tables.
Ease of Installation
Stop valves with 4-directional outlet piping facilitate easier pipe installation. Refrigerant pipes can connect from the front, right, rear, and bottom of the unit.
7-Segment Displays
The user-friendly Service Board, equipped with dial code switch and push button, allows for convenient setting and provides functions such as real-time status monitoring, fault code display, historical fault information, and optimization of control parameters.
Specifications
HP-CLASS Specifications (Outdoor Units)
| Model | RAS-3.0HNSKQ | RAS-4.0HNSKQ | RAS-5.0HNSKQ | RAS-6.0HNSKQ | RAS-7.0HNSKQ |
|---|---|---|---|---|---|
| Power Supply | 220-240V/1Ph/50Hz | ||||
| Rated Cooling Capacity W | 8000 | 9500 | 11200 | 14000 | 15500 |
| Rated Heating Capacity W | 9500 | 11200 | 12500 | 16000 | 17000 |
| Noise (Rated dB(A)) | 51 | 56 | 54 | 56 | 58 |
| Outer Dimensions (H x W x D) mm | 800 x 950 x 320 | 800 x 950 x 320 | 990 x 950 x 320 | 990 x 950 x 320 | 1380 x 950 x 320 |
| Total Indoor Unit Capacity Ratio | 50%~130% | ||||
| No. of Indoor Units Connectable | 2~4 | 2~5 | 2~6 | 2~6 | 2~10 |
| Net Weight kg | 74 | 74 | 87 | 87 | 118 |
| Gross Weight kg | 84 | 84 | 100 | 100 | 132 |
| Compressor Type | Twin Rotary | ||||
| Refrigerant Type | R410A | ||||
| Temp Range Cooling (°C) | -5 to 52 | ||||
| Temp Range Heating (°C) | -20 to 24 | ||||
Notes: Cooling/heating performance based on test conditions (Indoor 27°C DB/19°C WB for cooling, 20°C DB for heating; Outdoor 35°C DB for cooling, 7°C DB/6°C WB for heating; Piping 10m, Lift 0m). Noise tested 1.5m above ground, 1m from unit.
Indoor Life
SET FREE mini offers a variety of Indoor Units to achieve comfortable air conditioning that flexibly addresses various applications and shapes of space. By enhancing the "quality" of the air, the "quality" of time customers spend there is also enhanced.
Choice for Perfect Indoor Experience
Ceiling Cassette Types
4 Way Cassette
Features: Individual 4-way louver control, Motion Sensor technology (optional), higher ceiling installation (up to 5.5m in cooling mode), standard drain pump with 850mm lift, direct attachment of round-ducts available.
4 Way Compact Cassette
Features: Compact grid (600x600mm), quieter operation (as low as 24.5 dB(A)), higher ceiling installation (up to 4.6m in cooling mode), antibacterial drain pan, stylishly modern design.
2 Way Cassette
Features: Individual louver option, Motion Sensor technology (optional), higher ceiling installation (up to 4.6m in cooling mode), easy fine-tune for installment height.
1 Way Cassette
Features: Compact size (192mm height, 470mm depth), quiet operation (as low as 27 dB(A)), max. drainage height up to 1200mm, 3D air flow, sleek and compact design, adjustable air speed, fresh air provision (optional).
In-The-Ceiling & Concealed
In-the-ceiling
Features: Space-saving installation (192mm height), compact width (starting from 700mm), drain-up mechanism (900mm lift), designed for customized installations (rear/bottom air inlet).
In-the-ceiling (Duct type)
Features: Broad range of external static pressure (20-50 Pa), flexible installation, higher CFM, flexible mirror installation for hotel applications.
Floor concealed
Features: Blends unobtrusively with interior décor, low height (620mm) fits perfectly beneath a window, slim depth (202mm) requires little installation space.
Floor/Ceiling convertible
Features: Easy installation, suitable for creating a calming atmosphere, can be floor mounted or ceiling suspended, installation is simple and straightforward.
Exposed
Hi wall
Features: iClean+ technology (auto filter cleaning), Motion Sensor technology, wide range of capacity (0.8 HP to 4 HP).
Control Systems
SET FREE mini allows you to have control over your living environment, providing easy-to-understand and use control systems for optimal air conditioning management.
Line Up Overview
Individual Controllers
| Feature | Wired remote controller HCWA10NEGQ | Advanced wired remote controller PC-ARF1 | Wireless remote controller PC-AWR | Wireless remote controller PC-LH3C |
|---|---|---|---|---|
| Connection Capacity (Indoor Units) | 16 | 16 | 16 | 16 |
| Temperature Setting Rate | 0.5°C/1.0°C/1.0°F | 0.5°C/1.0°C/1.0°F | 1.0°C/1.0°F | 1.0°C |
| Indoor Fan Speed | 3/4/6 taps | 3/4/6 taps | 3/4/6 taps | 3 taps |
| Louver Direction | • | • | • | • |
| Individual Louver Setting | • | • | • | • |
| Remote Control Primary-Secondary Setting | • | • | • | • |
| Automatic Restart with Eco-operation | • | • | • | • |
| Automatic Reset Temperature (Cooling) | • | • | • | • |
| Temperature Indication | • | • | • | • |
| Filter Sign | • | • | • | • |
| Filter Sign Reset | • | • | • | • |
| Louver Open/Close | • | • | • | • |
| Room Name Setting | • | • | • | • |
| Alarm Sign | • | • | • | • |
| Identifying Indoor Units side-by-side | • | • | • | • |
| Screen Adjustment | • | • | • | • |
| Language | • | • | • | • |
| Temperature Unit-°C/°F | • | • | • | • |
| Adjusting Brightness of Run Indicator | • | • | • | • |
| Sensor Condition Check | • | • | • | • |
| Main 5 Functions | • | • | • | • |
Centralized Controllers
| Feature | Central Station mini PSC-A32MN | Central Station PSC-A64S | Centralized on/off controller PSC-A16RS |
|---|---|---|---|
| RCS Group | 32 | 64 | 16 |
| Total Connection Capacity (Indoor Units) | 160 | 160 | 160 |
| Building Scale | Small | Medium | Medium |
| Operation Panel | Touch screen | Button | Button |
| Display Layout | List Options | All Together | By Layout |
| Operation Unit | By Block | By Group | By RCS Group |
| Alarm History Display | 100 | - | - |
| Operation Lock/Set | • | • | • |
| Built-in Timer (On/Off) | • | • | • |
| Weekly Schedule | • | • | • |
| Power Consumption visualization | • | • | • |
Wired Remote Controller HCWA10NEGQ: Features include temperature display, operation mode selection, fan speed setting, timer settings, and filter sign indicator. Specifications: Outer Dimensions (H×W×D) 88.0×88.0×15.5 mm.
Advanced Wired Remote Controller PC-ARF1: Offers room name indicator, swing louver indicator, fan speed indicator, ventilation indicator, and a liquid crystal display. Includes functions like run/stop, operation mode, temperature setting, fan speed, and louver control. Example system configuration shown for 2 to 16 IDU connections.
Central Station mini
For small-scale buildings. Features include RC group capacity, block patterns, indoor/outdoor unit connectivity, and building scale suitability. Specifications cover power supply, consumption, communication, wiring length, and display type.
Functions: Monitor function (Run/Stop/Abnormality, Setting Temperature, RCS Operation Prohibited, Accumulated Operating Time, etc.) and Control function (Run/Stop, Fan Speed, Operation Mode, Louver, Temperature Setting, etc.).
airCloud Pro
Control is in your hands: New IoT VRF management for 24/7 control via smartphone, tablet, or PC.
Intuitive Simplicity
airCloud Pro is designed to make managing air conditioning systems simpler than ever before.
Control from Anywhere
Enjoy remote access from your smartphone, tablet, or laptop to control your VRF system(s) from a single app.
Is airCloud Pro for me?
Benefits include saving energy, saving time, delegating administrators, and creating comfortable climates.
Future-proof
Compatible with new and previous Hitachi Variable Refrigerant Flow systems, with regular updates.
airCloud Pro Pilot
A simple yet powerful tool to simplify your job, save energy, create comfort, and facilitate easy plug-and-play installation.
Simplify Your Job
Features centralized control, simplified troubleshooting, smartphone alerts, and flexible user management.
Save More Energy
Includes intuitive scheduling and individual controller lock.
Create Better Comfort
Allows adjustment of temperature, fan speed, and modes, with an integrated weather forecast display.
Easy Plug-and-Play
airCloud Gateway facilitates easy installation via 3G/4G or Ethernet, with automatic detection of Indoor Units.
Receiver Kit for Wireless Remote Controller
Details various receiver kits (e.g., HR4A10NEWQ, PC-ALHC1, PC-ALHD1, PC-RLH11) and their compatibility with different indoor unit types (4-way cassette, 2-way cassette, Floor/Ceiling convertible, In-the-ceiling, Floor concealed, Hi wall).
Imagination - The Beginning of Creation
Concluding statement on the creative potential enabled by the system.
