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MIDEA 18K Heat Pump System 21 SEER2 Series 208/230V

SKU: DLFEHBH18XAK

Indoor and Outdoor Unit 18K BTU (208/230V) Package

Contact Us for individual units.

 

Indoor Unit – Model DLFEHBH18XAK

Product Overview

  • Series: Midea INFINI Series (SEER 21)
  • System Type: Single-zone ductless mini-split heat pump
  • Application: Residential heating and cooling
  • Nominal Cooling Capacity: 18,000 BTU/h

Capacity & Performance

  • Cooling Capacity: 18,000 BTU/h
  • Heating Capacity:
    • 20,000 BTU/h at 47°F (8.3°C)
    • 12,500 BTU/h at 17°F (-8.3°C)
    • 13,800 BTU/h at 5°F (-15°C)
  • Efficiency Ratings:
    • SEER2: 21.0 Btu/Wh
    • EER2: 12.0 Btu/Wh
    • HSPF2: 9.0 Btu/Wh
    • COP at 5°F: 2.16

Electrical & Power

  • Voltage: 208/230V, single-phase, 60Hz
  • Power Supply: Indoor unit is powered via the outdoor unit
  • Power Input:
    • Cooling: 1,800W
    • Heating: 1,600W
  • Circuit Breaker Requirement: 20A
  • Indoor Fan Motor Output: 45W

Refrigerant & Piping

  • Refrigerant Type: R-410A
  • Piping Connection Sizes:
    • Liquid Line: 1/4 inch
    • Suction Line: 5/8 inch
  • Refrigerant Charge:
    • Pre-charged with ~42.3 oz (1,200 g) for a standard 25-ft line
    • Additional charge required at ~0.32 oz per additional foot beyond 25 ft
  • Maximum Recommended Piping Length: 98.4 ft
  • Maximum Height Difference: 65.6 ft

Physical & Mechanical Characteristics

  • Dimensions:
    • Width: 42.52 inches (1,080 mm)
    • Height: 13.19 inches (335 mm)
    • Depth: 8.90 inches (226 mm)
  • Weight:
    • Net Weight: ~33.1 lbs (15.0 kg)
    • Gross Weight: ~39.7 lbs (18.0 kg)

Mounting & Installation

  • Mounting Method: Wall-mounted using a dedicated mounting plate
  • Wall Penetration: Requires a circular opening (~3 to 3.5 inches diameter) for refrigerant piping, drain hose, and control wiring
  • Clearance Requirements:
    • Minimum top clearance of ~5.9 inches (15 cm) for return airflow
    • Additional side and rear clearances required (detailed in installation manual)

Control Features & Operating Modes

  • Operating Modes: Cool, Heat, Dry, Fan, Auto
  • Key Features:
    • Microprocessor control with wireless remote
    • Auto-restart after power loss
    • Refrigerant leakage detection
    • "Follow Me" temperature sensing (uses remote as sensor)
    • Integrated, washable air filter
  • Noise Level: As low as ~34 dB(A) in low-speed “sleep” mode

Outdoor Unit – Model DLCERBH18AAK

Product Overview

  • Series: Midea INFINI Series (SEER 21)
  • System Type: Single-zone outdoor condenser
  • Nominal Cooling Capacity: 18,000 BTU/h

Capacity & Performance

  • Cooling Capacity: 18,000 BTU/h
  • System Efficiency (Paired with DLFEHBH18XAK):
    • SEER2: 21.0 Btu/Wh
    • EER2: 12.0 Btu/Wh
    • HSPF2: 9.0 Btu/Wh
    • COP at 5°F: 2.16
  • Operating Temperature Ranges:
    • Cooling: 5°F to 122°F (-15°C to 50°C)
    • Heating: 5°F to 75°F (-15°C to 24°C)

Electrical & Compressor Details

  • Voltage: 208/230V, single-phase, 60Hz
  • Power Input:
    • Cooling: 1,800W
    • Heating: 1,600W
  • Compressor: Inverter-driven rotary compressor
  • Circuit Breaker Requirement: 20A
  • Outdoor Fan Motor Output: 60W

Refrigerant & Piping

  • Refrigerant Type: R-410A
  • Piping Compatibility: Matches the indoor unit’s 1/4 inch liquid and 5/8 inch suction lines
  • Refrigerant Charge & Guidelines:
    • Pre-charged with ~42.3 oz for a 25-ft line
    • Additional charge required at ~0.32 oz/ft beyond 25 ft
  • Piping Parameters:
    • Maximum recommended line length: 98.4 ft
    • Maximum height difference: 65.6 ft

Physical & Construction Characteristics

  • Construction:
    • Heavy-gauge, galvanized steel cabinet with a baked-enamel finish (white)
    • Anti-corrosive fin coating
  • Additional Features:
    • Basepan heater for heat pump operation
    • Auto-restart function
    • Refrigerant leakage detection
    • Condenser high-temperature protection
  • Noise Level: As low as ~56.5 dB(A)

Dimensions & Weight

  • Dimensions:
    • Width: 35.04 inches (890 mm)
    • Height: 27.64 inches (702 mm)
    • Depth: 16.54 inches (420 mm)
  • Weight:
    • Net Weight: ~103.6 lbs (47.0 kg)
    • Gross Weight: ~112.4 lbs (51.0 kg)

Summary

The Midea INFINI Series 18K BTU, 208/230V ductless mini-split heat pump is an energy-efficient, single-zone system designed for residential applications. The indoor unit (DLFEHBH18XAK) delivers 18,000 BTU/h of cooling and efficient heating across cold temperatures. Its high-efficiency ratings (SEER2 ~21.0, EER2 ~12.0, HSPF2 ~9.0) contribute to lower energy costs. Features include auto-restart, refrigerant leak detection, multiple operating modes, and quiet operation (~34 dB[A] in sleep mode).

The outdoor unit (DLCERBH18AAK) features an inverter-driven rotary compressor for optimal efficiency and rugged construction with a corrosion-resistant finish. Designed to operate in extreme temperatures (5°F to 122°F in cooling, 5°F to 75°F in heating), it maintains quiet performance at ~56.5 dB(A).

This system offers compact dimensions (indoor: ~42.52" W × 13.19" H × 8.90" D; outdoor: ~35.04" W × 27.64" H × 16.54" D) for flexible installation and pre-charged refrigerant for up to 25 feet of piping.

For additional technical details, including installation diagrams, wiring configurations, and full clearance requirements, refer to the official submittal data sheet or consult an authorized Midea distributor.

  • PRODUCT RESOURCES

    The following documents may not be readily available online. For specific manuals or certifications, we recommend contacting Midea customer support or an authorized Midea dealer:

    • Brochure
    • Submittal
    • Installation Manual
    • Owner's Manual
    • Service Manual
    • Parts Manual
    • AHRI Certificate
    • Extended Ratings

     

    Safety Information

    PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

    • This unit must be installed by a licensed HVAC technician to ensure proper operation and to avoid voiding the warranty.
    • Ensure the product is connected to the correct voltage and electrical specifications to prevent electrical hazards.
    • Do not attempt to modify or service internal components without professional assistance.
    • The unit is designed to operate in temperatures ranging from -4°F to 115°F.
    • Always refer to the installation manual for detailed safety instructions.
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