Specifications - ARTH54KHTA (Indoor) & AOTH54KBTA (Outdoor)

This article provides the technical specifications for the ARTH54KHTA indoor unit and its corresponding AOTH54KBTA outdoor unit.

Quick Answer

Model Mapping

• Indoor unit model: ARTH54KHTA
• Outdoor unit model: AOTH54KBTA
• These two units operate as a matched system.

Electrical Specifications

• Power supply: Single phase
• Voltage: 220-240 V
• Frequency: 50 Hz
• Available voltage range: 198-264 V

Cooling Performance (ARTH54KHTA)

• Cooling capacity: 14.0 kW
• Cooling capacity range: 4.5-15.0 kW
• Power consumption (cooling): 4.64 kW
• Maximum power consumption (cooling): 5.17 kW
• Energy Efficiency Ratio (EER): 3.02 kW/kW
• Rated operating current: 20.4 A
• Maximum operating current: 29.5 A
• Sensible capacity: 12.85 kW
• Power factor: 98.9%
• Moisture removal: 1.6 L/h

Heating Performance (ARTH54KHTA)

• Heating capacity: 15.5 kW
• Heating capacity range: 4.7-18.0 kW
• Power consumption (heating): 4.40 kW
• Maximum power consumption (heating): 5.23 kW
• Coefficient of Performance (COP): 3.52 kW/kW
• Rated operating current: 19.3 A
• Maximum operating current: 29.5 A
• Power factor: 99.1%

Compressor & Refrigerant Details

• Compressor type: DC twin rotary
• Motor output: 2,180 W
• Compressor design: Twin rotary
• Compressor model: Not specified in the manual
• Compressor weight: Not specified in the manual
• Refrigerant type: R32
• Factory charge: 2,700 g
• Additional charge rate: 40 g per meter
• Pre-charge length: 30 m
• Maximum piping length: 50 m
• Maximum piping height: 30 m
• Refrigerant oil type: RmM68AF
• Refrigerant oil amount: 800 cm³

Fan Motor, Speed & Airflow

• Indoor fan type: Sirocco fan x 2
• Indoor fan motor output: 197 W
• Static pressure range: 60 to 260 Pa
• Indoor airflow - cooling:
  • High: 3,550 m³/h
  • Medium: 3,010 m³/h
  • Low: 2,480 m³/h
• Indoor airflow - heating:
  • High: 3,550 m³/h
  • Medium: 3,010 m³/h
  • Low: 2,480 m³/h
• Outdoor fan type: Propeller fan x 1
• Outdoor fan motor output: 120 W
• Outdoor airflow:
  • Cooling: 4,450 m³/h
  • Heating: 4,450 m³/h

Noise Levels

• Indoor unit noise - cooling:
  • High: 45 dB(A)
  • Medium: 40 dB(A)
  • Low: 36 dB(A)
• Indoor unit noise - heating:
  • High: 45 dB(A)
  • Medium: 40 dB(A)
  • Low: 36 dB(A)
• Indoor sound power level, cooling high: 67 dB(A)
• Outdoor unit noise:
  • Cooling: 55 dB(A)
  • Heating: 57 dB(A)
  • Sound power level: 72 dB(A)

Dimensions & Weight

• Indoor unit dimensions (H x W x D): 425 x 1,250 x 490 mm
• Indoor unit gross dimensions (H x W x D): 490 x 1,440 x 655 mm
• Indoor unit weight: 53 kg (net) / 61 kg (gross)
• Outdoor unit dimensions (H x W x D): 998 x 940 x 320 mm
• Outdoor unit gross dimensions (H x W x D): 1,176 x 1,027 x 445 mm
• Outdoor unit weight: 67 kg (net) / 76 kg (gross)

Pipe Connection Details

• Liquid pipe size: Ø9.52 mm (3/8 in.)
• Gas pipe size: Ø15.88 mm (5/8 in.)
• Connection method: Flare
• Indoor drain hose size: Ø25 mm I.D. / Ø32 mm O.D.
• Outdoor drain hose size: Ø13.0 mm I.D. / Ø16.0 to Ø16.7 mm O.D.

Operating Range

• Indoor cooling operating range: 18 to 32°C
• Indoor cooling humidity limit: 80% RH or less
• Indoor heating operating range: 16 to 30°C
• Outdoor cooling operating range: -10 to 50°C
• Outdoor heating operating range: -15 to 24°C

Direct Answers to Common Questions

• What is the cooling capacity of ARTH54KHTA? 14.0 kW.
• What is the heating capacity of ARTH54KHTA? 15.5 kW.
• What is the EER of ARTH54KHTA? 3.02 kW/kW.
• What is the COP of ARTH54KHTA? 3.52 kW/kW.
• What refrigerant does this system use? R32.
• Does this system support a 50 m pipe run? Yes.
• What is the additional refrigerant charge? 40 g per meter over 30 m.
• What is the maximum piping height? 30 m.