The Midea Breezeless 360º 4x1 Cassette Air Conditioner allows you to cool or heat four rooms with a single high-performance multisplit system. Its Breezeless 360° panels distribute air from the entire perimeter, creating an enveloping airflow without direct drafts. Ideal for homes, offices, or commercial spaces with 600×600 mm modular ceilings, this set combines power, A++ efficiency, and quiet operation for total comfort.
Set Components
- 2× Indoor units: MCA4U-09NX (2.63 kW cooling / 2.93 kW heating)
- 1× Indoor unit: MCA4U-12NX (3.52 kW cooling / 3.81 kW heating)
- 1× Indoor unit: MCA4U-18NX (5.28 kW cooling / 5.57 kW heating)
- 1× Outdoor unit: M4O-36N8 (4-port multisplit, R-32 refrigerant)
- 4× Decorative panels: MCP-600B (Breezeless 360º)
Key Features
- Breezeless 360º Technology: diffuse, enveloping air with perimeter outlet that eliminates cold drafts.
- Integrated condensate pump: lifts water up to 1000 mm, ideal for suspended ceilings.
- Fresh air connection: improves air quality through partial ventilation.
- Quiet operation: from 31.5 dB(A) at low speed.
- Recommended area: up to 25 m² (MCA4U-09NX), 35 m² (MCA4U-12NX), and 45 m² (MCA4U-18NX) — total approx. 130 m².
- High A++ efficiency: Inverter technology with eco-friendly R-32 refrigerant.
Performance and Efficiency
- Total combined capacity: 10.55 kW (cooling) / 11.14 kW (heating)
- SEER (cooling): 6.50
- EER (cooling, nominal): ≈ 3.23 (10.55 kW / 3.26 kW)
- COP (heating, nominal): ≈ 3.92 (11.14 kW / 2.84 kW)
- COP at −7 °C: 3.11
Technical Specifications — Indoor Units
MCA4U-09NX
- Capacity: 2.63 kW (cooling) / 2.93 kW (heating)
- Airflow (low/med/high): 330 / 520 / 620 m³/h
- Sound pressure: 31.5 / 38.5 / 42 dB(A)
- Refrigerant connections: liquid 1/4" · gas 3/8"
- Dimensions (W×H×D): 570×245×570 mm
- Net weight: 16.1 kg
MCA4U-12NX
- Capacity: 3.52 kW (cooling) / 3.81 kW (heating)
- Airflow (low/med/high): 330 / 520 / 620 m³/h
- Sound pressure: 31.5 / 38.5 / 42 dB(A)
- Refrigerant connections: liquid 1/4" · gas 3/8"
- Dimensions (W×H×D): 570×245×570 mm
- Net weight: 16.1 kg
MCA4U-18NX
- Capacity: 5.28 kW (cooling) / 5.57 kW (heating)
- Airflow (low/med/high): 300 / 540 / 660 m³/h
- Sound pressure: 31.5 / 41 / 44 dB(A)
- Refrigerant connections: liquid 1/4" · gas 1/2"
- Dimensions (W×H×D): 570×245×570 mm
- Net weight: 16.2 kg
Decorative Panel (MCP-600B)
- Technology: Breezeless 360º with microfin diffusers
- Dimensions (W×H×D): 620×40×620 mm
- Net weight: 2.7 kg
Technical Specifications — Outdoor Unit (M4O-36N8)
- Nominal capacity: 10.55 kW (cooling) / 11.14 kW (heating)
- Heating capacity at −7 °C: 7.33 kW
- Refrigerant: R-32 (GWP 675) · charge 2.10 kg · 1.42 t CO₂eq
- Compressor: Inverter rotary
- Nominal consumption: 3.26 kW (cooling) / 2.84 kW (heating)
- Airflow: 4,000 m³/h
- Sound pressure: 63 dB(A) · sound power: 68 dB(A)
- Refrigerant connections: 4× liquid 1/4" · 3× gas 3/8" + 1× gas 1/2"
- Max. pipe length/vertical: 80 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): 946×810×410 mm
- Net weight: 68.8 kg
Set Dimensions and Weight
- Indoor units: 570×245×570 mm · 16.1–16.2 kg (each)
- Panels: 620×40×620 mm · 2.7 kg (each)
- Outdoor unit: 946×810×410 mm · 68.8 kg
Includes
- 2× MCA4U-09NX Cassettes
- 1× MCA4U-12NX Cassette
- 1× MCA4U-18NX Cassette
- 1× M4O-36N8 Outdoor Unit
- 4× MCP-600B Breezeless 360º Panels