Midea Ducted Air Conditioner (C- 5.3 kW / H-6.0 kW): MTJ-18HWFNX-QRD1W(GA) / MOX330U-18HFN8-QRD0W(GA)

The Midea MTJ-18HWFNX-QRD1W(GA) is a compact and quiet R32 duct-type air-to-air heat pump with high static pressure, suitable for ceiling installation and connection to air ducts. It provides flexible air distribution to multiple rooms simultaneously.

When paired with the MOX330U-18HFN8-QRD0W(GA) outdoor unit, the system delivers 5.3 kW of cooling capacity and 6.0 kW of heating capacity, maintaining A/A energy efficiency and stable operation down to –15 °C.
The unit features an airflow of 945–1025 m³/h, a static pressure of 30 Pa, a universal control panel, and a built-in low-temperature cooling module.

This model is designed for offices, apartments, commercial spaces, and other areas where concealed, efficient, and quiet climate control is required.

Recommended heating/cooling area

• Energy-efficient building (Class A): up to 50 m²
• Average insulation (Class B): 40–45 m²
• Older buildings (Class C): 35–40 m²

Technical specifications
Indoor unit: MTJ-18HWFNX-QRD1W(GA)
Outdoor unit: MOX330U-18HFN8-QRD0W(GA)

Capacity and performance

• Cooling capacity: 5.3 kW (2.1–7.6)
• Heating capacity: 6.0 kW (2.2–6.4)
• Power consumption (cooling/heating): 1.63 / 1.50 kW
• SEER / SCOP: 6.4 / 4.1
• Energy efficiency class: A / A

Airflow and noise level

• Airflow (min./max.): 945 / 1025 m³/h
• Noise level (indoor unit): 35 / 39 / 45 dB(A)
• Noise level, outdoor unit: 51 dB(A)

Dimensions and weight

• Indoor unit: 920 × 210 × 635 mm
• Outdoor unit: 805 × 555 × 330 mm
• Indoor unit weight: 17 kg
• Outdoor unit weight: 40 kg

Technical connections

• Pipe diameter: 1/4″ + 1/2″
• Refrigerant: R32
• Refrigerant charge: 1.15 kg
• Recharge: 12 g/m
• Pipe run without recharge: 15 m
• Max. pipe run length: 25 m
• Max. height difference: 15 m

Operating temperatures

• Cooling: –15…+50 °C
• Heating: –25…+24 °C

Power supply and electrical installation

• Power supply: 230 V / 1-phase / 50 Hz
• Power cable: 3×1.0 / 3×2.5 mm²
• Communication cable: 3×0.5 mm² (shielded)