The Midea Breezeless 360º 3x1 Cassette Air Conditioner is designed to efficiently and quietly cool three rooms with a single outdoor unit. Its Breezeless 360° panels diffuse air in all directions through perimeter micro-blades, eliminating direct drafts and providing uniform comfort. The compact 600×600 mm design integrates perfectly into modular ceilings, combining aesthetics, quiet operation, and A++ efficiency.
Set Components
- 3× Indoor units: MCA4U-09NX (cassette 600×600, 2.63 kW cooling / 2.93 kW heating)
- 1× Outdoor unit: M3O-21N8 (multisplit 3 outlets, R-32 refrigerant)
- 3× Decorative panels: MCP-600B (Breezeless 360º technology)
Key Features
- 360º Breezeless Air Diffusion: Perimeter airflow distributes air evenly without drafts.
- Integrated condensate pump: Lifts water up to 1000 mm, making installation in false ceilings easier.
- Supports fresh air intake: Ready for partial indoor air renewal.
- Quiet operation: From just 31.5 dB(A), ideal for homes, offices, or commercial spaces.
- Recommended area: Up to 25 m² per cassette (approx. 75 m² combined).
- A++ efficiency: High-reliability Inverter compressor with R-32 refrigerant.
Performance and Efficiency
- Total combined capacity: 6.15 kW (cooling) / 6.59 kW (heating)
- SEER (cooling): 6.50
- EER (cooling, nominal): ≈ 3.24 (6.15 kW / 1.90 kW)
- COP (heating, nominal): ≈ 3.72 (6.59 kW / 1.77 kW)
- COP at −7 °C: 3.10
Technical Specifications — Indoor Units (MCA4U-09NX)
- Nominal capacity: 2.63 kW (cooling) / 2.93 kW (heating)
- Airflow (low/med/high): 330 / 520 / 620 m³/h
- Sound pressure (low/med/high): 31.5 / 38.5 / 42 dB(A)
- Sound power level: 55 dB(A)
- Refrigerant connections: liquid 1/4" · gas 3/8"
- Dimensions (W×H×D): 570×245×570 mm
- Net weight: 16.1 kg
Decorative Panel (MCP-600B)
- Technology: Breezeless 360º with diffuser micro-blades
- Dimensions (W×H×D): 620×40×620 mm
- Net weight: 2.7 kg
Technical Specifications — Outdoor Unit (M3O-21N8)
- Nominal capacity: 6.15 kW (cooling) / 6.59 kW (heating)
- Heating capacity at −7 °C: 4.13 kW
- Refrigerant: R-32 (GWP 675) · charge 1.4 kg · 0.95 t CO₂eq
- Compressor: Inverter rotary
- Nominal consumption: 1.90 kW (cooling) / 1.77 kW (heating)
- Airflow: 3,000 m³/h
- Sound pressure: 57.5 dB(A) · sound power: 66 dB(A)
- Refrigerant connections: 3× liquid 1/4" · 3× gas 3/8"
- Max. total/vertical pipe length: 60 m / 15 m
- Operating range: cooling −15 °C to 50 °C · heating −15 °C to 24 °C
- Power supply: 220–240 V~ 1 ph 50 Hz
- Dimensions (W×H×D): 890×673×342 mm
- Net weight: 46.8 kg
Set Dimensions and Weight
- Indoor units (each): 570×245×570 mm · 16.1 kg
- Panels (each): 620×40×620 mm · 2.7 kg
- Outdoor unit: 890×673×342 mm · 46.8 kg
Includes
- 3× MCA4U-09NX cassettes with integrated condensate pump
- 1× M3O-21N8 outdoor unit
- 3× MCP-600B Breezeless 360º panels