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Mitsubishi Electric MSZ-RZ50VU-SC / MUZ-RZ50VUHZ-SC Air Conditioner and Heat Pump, 5.0/6.0 kW, R290, Wi-Fi

The Mitsubishi Electric MSZ-RZ50VU-SC / MUZ-RZ50VUHZ-SC is a powerful air-to-air heat pump designed for efficient heating and cooling of larger spaces in demanding Nordic climates. Heating operation is guaranteed at outdoor temperatures down to –35 °C, providing reliable indoor comfort even during severe winter conditions.
The unit delivers 6.0 kW nominal heating capacity, with a maximum heating output of up to 8.7 kW at +7 °C. It provides up to 7.0 kW at –15 °C and maintains up to 6.0 kW at –25 °C. A seasonal efficiency rating of SCOP 4.7 and an A++ heating energy class support economical year-round operation.
Nominal cooling capacity is 5.0 kW, with a capacity range of 1.4–5.8 kW. A SEER rating of 7.6 and an A++ cooling energy class help reduce electricity consumption during summer.
The system uses natural R290 refrigerant, which has an exceptionally low global warming potential and supports high energy efficiency with reduced environmental impact.
The advanced Plasma Quad Plus air purification system neutralises up to 99% of airborne particles, including PM2.5 particles, mould spores, allergens, bacteria, viruses and dust. The deodorising filter helps reduce unwanted odours, while Dual Barrier Coating protects important internal components from dust, grease and dirt.
The infrared 3D I-SEE Sensor monitors room temperature distribution and occupancy, automatically directing airflow where it is needed most. Double airflow vanes allow warm or cool air to be distributed in two directions simultaneously.
Optimised defrost technology enables continuous operation for up to 150 minutes, reducing heat loss and maintaining more stable heating performance in cold weather. The circulation and wood-stove mode helps distribute heat generated by another heat source, such as a fireplace.
The MELCloud Home application allows remote temperature adjustment, operating-mode control and system monitoring from a mobile device. Quiet mode can reduce outdoor-unit noise and switch off the indoor-unit display lighting and audible signals.
Technical information
| Parameter | Value |
|---|---|
| Indoor unit model | MSZ-RZ50VU-SC |
| Outdoor unit model | MUZ-RZ50VUHZ-SC |
| Product type | Air-to-air heat pump / air conditioner |
| Refrigerant | R290 |
| Refrigerant charge | 0.70 kg |
| Nominal heating capacity | 6.0 kW |
| Heating capacity range at +7 °C | 1.8–8.7 kW |
| Maximum heating capacity at –15 °C | 7.0 kW |
| Maximum heating capacity at –25 °C | 6.0 kW |
| Heating design load P-Design | 6.0 kW |
| SCOP, average climate | 4.7 |
| Heating energy class | A++ |
| SCOP, cold climate | 3.5 |
| Cold-climate heating class | A |
| Annual heating energy consumption | 1784 kWh |
| Nominal cooling capacity | 5.0 kW |
| Cooling capacity range | 1.4–5.8 kW |
| SEER | 7.6 |
| Cooling energy class | A++ |
| Annual cooling energy consumption | 230 kWh |
| Minimum guaranteed heating temperature | –35 °C |
| Minimum guaranteed cooling temperature | –10 °C |
| Indoor unit dimensions W × H × D | 998 × 305 × 247 mm |
| Indoor unit weight | 14.5 kg |
| Indoor airflow | 7.8 / 10.7 / 12.5 / 14.7 / 18.2 m³/min |
| Indoor sound pressure level | 25 / 32 / 37 / 41 / 46 dB(A) |
| Indoor sound power level | 59 dB(A) |
| Outdoor unit dimensions W × H × D | 840 × 880 × 330 mm |
| Outdoor unit weight | 58 kg |
| Outdoor sound level, heating/cooling | 54/51 dB(A) |
| Maximum outdoor-unit operating current | 15.3 A |
| Maximum total operating current | 15.7 A |
| Recommended fuse | 16 A |
| Power supply | 230 V / single phase / 50 Hz |
| Pipe size, liquid/gas | 1/4″–1/2″ |
| Maximum pipe length | 30 m |
| Maximum height difference | 15 m |
| Remote control | MELCloud Home |