The DAIKIN FBA125B-VF2Y is a premium slim-line reverse cycle ducted system designed for larger homes, apartments, offices, and commercial spaces where ceiling space is limited but 3-phase power is available. Its ultra-low profile indoor unit makes it ideal for narrow roof cavities, bulkheads, and underfloor installations while still delivering powerful year-round heating and cooling. With 12.5kW cooling and 15.0kW heating capacity, this model is ideal for medium to large living areas, open-plan homes, offices, and spaces around 55–85m² depending on insulation and layout. The system can modulate from 3.5kW up to 14.0kW in cooling mode and from 3.5kW up to 16.5kW in heating mode, helping maintain stable temperatures while reducing energy use.

Key Features & Benefits

Slim-Line Low Profile Indoor Unit

The indoor unit measures only 245mm high, making it one of Daikin’s most compact ducted options for tight roof spaces and restricted ceiling cavities. Indoor dimensions are approximately 245mm high, 1400mm wide, and 800mm deep, while the outdoor unit measures approximately 870mm high, 1100mm wide, and 460mm deep.

3-Phase Power Supply

This model operates on 380–415V 3-phase power, making it suitable for homes and light commercial properties with 3-phase electrical supply. It helps spread electrical demand more evenly across circuits compared to equivalent single-phase systems.

Premium Inverter Technology

Daikin’s Premium Slim-Line range uses a DC fan motor, smart control logic, cross-pass heat exchanger, and hermetically sealed swing compressor to provide smoother temperature control, quieter operation, and improved seasonal efficiency.

Improved Energy Efficiency

The system delivers an EER of 3.40 and a COP of 3.87. Residential TCSPF ratings reach up to 5.03 in hot climates, while HSPF ratings reach up to 5.32, helping reduce ongoing running costs while maintaining strong heating and cooling performance.

Strong Airflow Performance

The unit provides nominal airflow of approximately 600 litres per second with multiple indoor fan speeds available for flexible operation. Indoor sound levels are approximately 40dBA at 1.5 metres, helping deliver even conditioned air across larger living areas while maintaining quiet performance.

Automatic Airflow Adjustment

The fan speed can automatically adjust to suit the duct design for improved airflow distribution and simplified commissioning. The DC fan can also provide static pressure up to 150Pa for greater installation flexibility.

Long Pipe Run Capability

The system supports refrigerant pipe lengths up to 85 metres, giving installers greater flexibility for larger homes, apartments, and more complex ducted layouts.

Flexible Return Air Options

The indoor unit offers either rear or bottom suction return air options, allowing greater flexibility depending on the duct design and ceiling space available.

Built-In Condensate Pump

A built-in condensate pump with up to 850mm lift capability comes standard, helping simplify drainage installation in tighter ceiling spaces.

Night Quiet Mode

Daikin’s Night Quiet Mode automatically reduces outdoor operating noise during sleeping hours and resumes normal operation in the morning, helping minimise disturbance to occupants and neighbours. Outdoor sound levels are approximately 50dBA in cooling mode and 51dBA in heating mode.

R22 Retrofit Capability

This model supports R22 retrofit applications, allowing existing pipework to often be reused when replacing older systems. This can help reduce installation time and overall project costs.

R32 Refrigerant

The system uses modern R32 refrigerant for improved efficiency and lower environmental impact compared to older refrigerants.

Wired Controller Included

The system is commonly supplied with Daikin’s BRC1E63 Nav Ease wired wall controller for simple temperature control, scheduling, and system management. Features can include weekly scheduling, quick cool/heat mode, temperature limits, home leave function, and backlit display.

Ideal Applications

• Apartments
• Townhouses
• Medium to large homes
• Home offices
• Small commercial spaces
• Properties with limited ceiling space

Why Choose the DAIKIN 12.5kW Premium Slim-Line Ducted System?