Multi-Zone Outdoor Units · 6-zone
Z-MZ555HP
55,000 BTU 6-Zone Extreme Heat Outdoor Unit
In stock
The Z-MZ555HP is the flagship — powering 6 zones with 55,000 BTU. EVI inverter compressor maintains full heating output down to −13°F. Minimum operating temperature −22°F (−30°C). R454B refrigerant. AHRI certified.
- 55,000 BTU
- Capacity
- 6
- Zones
- 208-230V/60Hz
- Voltage
- 20.0
- SEER2
- 10.7
- HSPF2

Technical specifications
Performance
- Cooling Capacity (95°F)
- 53,000 BTU/h
- Heating Capacity (47°F)
- 55,000 BTU/h
- Heating Capacity (17°F)
- 45,000 BTU/h
- Heating Capacity (5°F)
- 48,000 BTU/h
- SEER2
- 20.0
- EER2
- 11.7
- HSPF2 (Region IV)
- 10.7
- COP (47°F)
- 3.7
Electrical
- Voltage
- 208/230V, 60Hz, 1Ph
- System MCA
- 39.5A
- System MOCP
- 40A
- Compressor RLA
- 28A
Refrigeration & piping
- Refrigerant
- R454B
- Liquid Line Size
- 6 x 1/4"
- Gas Line Size
- 4 x 3/8" + 2 x 1/2"
- Max Total Pipe Length
- 262 ft
- Max Pipe Length (1 IDU)
- 115 ft
System
- Zones Supported
- 6
- Compressor Type
- Twin-Rotary Inverter
- Min. Operating Temp
- −22°F (−30°C)
- Max. Operating Temp
- 122°F (50°C)
- Reference model
- CCOXHBMZ655HP
Physical
- Outdoor Noise Level
- 65 dBA
- Net Weight
- 247 lbs
- Dimensions (W×D×H)
- 37-1/2" x 16-5/16" x 52-1/2"
Certifications
AHRI Certified, UL Listed, Energy Star
Certificate documents are published per model where AHRI has issued one for that matched system; any that exist are listed under documents above.
Warranty
Up to 12-Year Parts & Compressor
Extended 12-year parts and compressor coverage applies to standard residential installations registered within 90 days of install. Other applications receive 5-year parts and 7-year compressor coverage.
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