The Daikin FDYA125A9-C2V is a high-performance reverse-cycle ducted air-conditioning system delivering 12.5kW rated cooling and 15.0kW rated heating capacity. Designed for discreet whole-home comfort, it combines an Australian-made indoor unit with an energy-efficient R32 inverter outdoor unit.
Its high-efficiency DC fan motor, automatic airflow adjustment and flexible zoning capability allow the system to be configured around the requirements of the property. Only the supply-air outlets, return-air grille and separately purchased controller remain visible inside the home.
Features
12.5kW rated cooling capacity
15.0kW rated heating capacity
Reverse-cycle heating and cooling
Energy-efficient inverter technology
R32 refrigerant
Australian-made indoor unit
High-efficiency DC indoor fan motor
Aerodynamic Sirocco fan
Automatic airflow adjustment
Three selectable indoor fan speeds
Flexible zoning capability
Night-time quiet mode
Cooling operation at outdoor temperatures up to 50°C
Conditional R22 retrofit capability
Single-phase power supply
System Components
| Component | Model |
|---|
| Indoor unit | FDYA125AV19 |
| Outdoor unit | RZAS125C2V1 |
Indoor & Outdoor Specifications
| Specification | Details |
|---|
| Indoor Model | FDYA125AV19 |
| Indoor Dimensions | 360 × 1520 × 935mm (H × W × D) |
| Indoor Weight | 56kg |
| Outdoor Model | RZAS125C2V1 |
| Outdoor Dimensions | 1430 × 940 × 320mm (H × W × D) |
| Outdoor Weight | 93kg |
| Supply Air Flange | 245 × 1152mm |
| Return Air Flange | 2 × 400mm oval |
| Pipe Sizes | 9.5mm liquid / 15.9mm gas, flared connections |
| Refrigerant | R32 |
| Cooling Capacity | 5.0–12.5–14.0kW (minimum–rated–maximum) |
| Heating Capacity | 4.1–15.0–16.0kW (minimum–rated–maximum) |
| Air Flow | 755L/s nominal / 840L/s maximum |
| Drain | ID 25mm / OD 32mm |
| Power Supply | 1-phase, 220–240V, 50Hz |
| Max Current | Not stated in the current Daikin product brochure; confirm using the current installation manual or outdoor-unit nameplate |
Performance Data
| Specification | Cooling | Heating |
|---|
| Rated Capacity | 12.5kW | 15.0kW |
| Rated Power Input | 3.45kW | 3.80kW |
| EER / COP | 3.62 | 3.95 |
| Indoor Sound Level – High | 44.8dB(A) | 46.2dB(A) |
| Outdoor Sound Level at 1m | 52dB(A) | 54dB(A) |
Additional Technical Data
| Specification | Details |
|---|
| Fan Speeds | High / Medium / Low |
| External Static Pressure | 70–160Pa |
| Maximum Piping Length | 75m |
| Compressor Type | Hermetically sealed swing compressor |
| Outdoor Cooling Range | −5°C to 50°C dry bulb |
| Outdoor Heating Range | −15°C to 15.5°C wet bulb |
| Outdoor Sound Power Level | 71dB(A) |
Optional Controls & Accessories
| Model | Description |
|---|
| BRC1E63 | Nav Ease wired controller |
| BRP15B61 | Daikin Airbase wireless LAN adaptor |
| BRC24Z4B9 | Four-zone controller for 24V zone equipment |
| BRC24Z8B9 | Eight-zone controller for 24V zone equipment |
All controls and accessories listed above are optional and sold separately. Compatibility, required interfaces and zone-equipment voltage must be confirmed before ordering.
Typical Applications
Medium-to-large residential homes
Whole-home ducted air conditioning
Open-plan living areas
Multi-zone residential installations
Replacement of selected existing ducted systems
New-build and renovation projects
Important Information
This package includes the FDYA125AV19 indoor unit and RZAS125C2V1 outdoor unit only.
A wall controller is not included and must be ordered separately.
Ductwork, plenums, supply-air grilles, return-air grilles, dampers, zone motors and installation materials are not included.
The return-air opening is 2 × 400mm oval, as specified for the FDYA125AV19 in Daikin’s official table.
Installation must be completed by a suitably licensed air-conditioning and refrigeration technician.
Optional controls and zoning components must be selected to suit the installation design.
R22 retrofit capability is conditional. Existing pipework must be assessed against Daikin’s requirements by the installer.
Specifications remain subject to Daikin’s current engineering documentation and product revisions.
Sources: Daikin Australia Premium Inverter Ducted system, Daikin OEM FDYA125AV19 technical data and the official Daikin Ducted Systems brochure.