Mitsubishi MXZ-2D20NL 20,000 BTU 2-Zone Heat Pump Unit - R454B - MXZ2D20NL
Mitsubishi 20,000 BTU multi-zone outdoor heat pump (MXZ-2D20NL). This is an extremely efficient unit that can connect to a variety of indoor unit types and can handle two zones (indoor units). This system uses the new R454B refrigerant, and is the direct replacement for MXZ-2D20NL.
Features
• Compressor overcurrent detection
• Compressor thermal protection
• Fan motor overheating/voltage protection
• Freeze-prevention base pan heater equipped as standard
• High-pressure protection
• Prolonged heating over an extended duration
• Quiet outdoor unit operation as low as 52 dB(A)
• Variable speed INVERTER-driven compressor
• Blue Fin anti-corrosion treatment applied to the outdoor unit heat exchanger for increased coil protection and longer life
What Our Experts Think
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Efficient 20,000 BTU multi-zone system ideal for small to mid-size homes needing two zones.
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Supports multiple indoor unit styles for flexible room-by-room comfort.
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Uses next-generation R454B refrigerant for improved efficiency and lower environmental impact.
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Reliable year-round heating and cooling with quiet, durable outdoor performance.
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Strong value as the updated replacement for the previous MXZ-2D20NA model.
Q&A
Q: How many zones can this outdoor unit support?
A: It supports up to two indoor units (two zones).
Q: What types of indoor units are compatible?
A: Wall-mounted, floor-mounted, ceiling cassette, and ducted Mitsubishi units.
Q: Is the R454B refrigerant more efficient?
A: Yes, it offers higher efficiency and reduced environmental impact compared to older refrigerants.
Q: Can it heat and cool at the same time?
A: It provides both heating and cooling, but not simultaneously across zones.
Maintenance Tips
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Keep the outdoor unit area clear of vegetation and debris for proper airflow.
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Rinse the coils gently every few months to prevent dust accumulation.
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Ensure indoor filters are cleaned regularly to reduce strain on the system.
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Check for ice buildup in winter and remove obstructions promptly.
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Schedule annual professional service to verify refrigerant charge and system performance.
