Description
Ameristar 18,000 BTU 19 SEER2 Single Zone Wall Mount Mini Split Heat Pump System - R454B - 230V
Deliver efficient, year-round comfort to a single room or open living area with this Ameristar 19 SEER2 ductless mini split heat pump. The matched high-wall system combines inverter-driven heating and cooling with lower-GWP R-454B refrigerant and quiet, space-saving indoor comfort.
What's Included
- Outdoor condenser: M5THS1918A11NA
- Indoor wall-mounted air handler: M5MHWUN18A1N0A
- Wireless remote control
Key Features
- 19 SEER2 inverter heat pump for efficient heating and cooling
- Single-zone, high-wall ductless design
- R-454B refrigerant
- 208/230V, single-phase electrical supply
- Heating operation from -4°F to 86°F
- Professional installation required
System Specifications
| Nominal capacity | 18,000 BTU |
| Cooling capacity | 18,000 BTU/h |
| Heating capacity | 19,000 BTU/h |
| SEER2 | 19 |
| HSPF2 | 9.5 |
| EER2 | 12.5 |
| Voltage | 208/230V, 60 Hz, 1 phase |
| Maximum overcurrent protection | 20 A |
| Refrigerant | R-454B |
| Liquid line | 1/4 in. |
| Gas line | 1/2 in. |
| Recommended coverage | 750-900 Sq Ft. |
Indoor Unit Specifications
| Model | M5MHWUN18A1N0A |
| Mount type | High wall |
| Dimensions (W x D x H) | 43.31 x 8.74 x 13.11 in. |
Outdoor Unit Specifications
| Model | M5THS1918A11NA |
| Dimensions (W x D x H) | 33.26 x 14.96 x 27.51 in. |
Installation note: This system uses A2L-classified R-454B refrigerant and must be installed and commissioned by a qualified HVAC technician using procedures and equipment approved for R-454B. A line set and other installation accessories are sold separately unless otherwise noted.
Manuals & Documents
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