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Know Exactly What Size System You Need

Professional load calculations using Manual J standards.

Midea MSFNS-H18B-2A | MO1AS-H18B-2A 1.5 Ton Mini-Split Heat Pump 208/230V

SKU: MO1ASMSFNS18
SEER2 18.3, EER2 9.9, HSPF2 8.7, R454B refrigerant, 19 dBA silent, wide temp 5°F–122°F cooling, 5°F–72°F heating, 5/8" drain pipe, fan speeds Turbo/High/Medium/Low/Silent, WiFi via dongle, wired/IR/remote thermostat, 23 lbs, fan motor ZKFP-58-8-1-6 58W, easy maintenance.

Performance & Efficiency

  • Cooling Capacity: 17,000 BTU/h (Min: 6,300 BTU/h, Max: 17,900 BTU/h).

  • Heating Capacity: 18,000 BTU/h (Min: 4,600 BTU/h, Max: 18,800 BTU/h).

  • SEER2: 18.3, EER2: 9.9.

  • HSPF2: 8.7, COP: 2.88.

  • Moisture Removal: 2.2 L/h.

  • Standard Operating Temperature Ranges:

    • Cooling: 5℉ to 122℉ (-15℃ to 50℃).

    • Heating: 5℉ to 72℉ (-15℃ to 24℃).

Outdoor Unit Specifications

  • Compressor Type: Rotary (Model KSN140D21UFZ).

  • Refrigerant Type: R454B.

  • Outdoor Airflow: Max 1,235 CFM.

  • Noise Level: 57 dBA.

  • Size & Weight: 30-1/8" x 11-7/8" x 21-7/8" (765 × 303 × 555 mm).

  • Net/Gross Weight: 62 / 67 lbs (28.2 / 30.6 kg).

Electrical & Power Requirements

  • Voltage: 208/230V, 60Hz, 1Ph.

  • System MCA: 15.0A, System MOCP: 20.0A.

  • Compressor RLA: 9.5A, Outdoor Fan Motor RLA: 0.4A.

  • Indoor Fan Motor RLA: 0.6A.

  • System Power Input @ Cooling: 1,717W.

  • System Power Input @ Heating: 1,830W.

Piping & Refrigerant

  • Throttle Type: Capillary.

  • Liquid & Gas Piping Sizes: 1/4" (6.35mm) & 1/2" (12.7mm).

  • Max Piping Length: 98 ft (30 m).

  • Max Height Difference: 66 ft (20 m).

  • Refrigerant Pre-Charged Amount: 38 oz (1.08 kg).

Features

  • Indoor unit TU1 copper coil.

  • 1~100% fan speed setting.

  • WiFi capability (via WiFi dongle).

  • Multiple control options: Infrared wired controller (Model: 120L), Wireless remote controller.

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