AOTG30LBTA4 (Outdoor) & Compatible Indoor Units (Multi-Split)

This article provides the technical specifications for the General Airstage AOTG30LBTA4 outdoor unit and the compatible indoor units used in a four-room multi-split matched system.


MANUAL 1

MANUAL 2

Quick Answer

  • What is the cooling capacity? AOTG30LBTA4 cooling capacity is 8.0 kW.
  • What is the heating capacity? AOTG30LBTA4 heating capacity is 9.6 kW.
  • What is the EER? AOTG30LBTA4 EER is 3.60 kW/kW (cooling).
  • What is the COP? AOTG30LBTA4 COP is 4.00 kW/kW (heating).
  • What power supply is required? Single phase, 240 V, 50 Hz.
  • What refrigerant is used? R410A.
  • What is the outdoor unit size? Dimensions (H × W × D): 830 × 900 × 330 mm.
  • What is the maximum total pipe length? 70 m.

Model Mapping

  • Outdoor unit model: AOTG30LBTA4
  • Indoor unit model: Multiple compatible indoor units (four-room multi-split system)
  • System type: Four room multi inverter

Electrical Specifications

  • Power supply: Single phase
  • Voltage: 240 V
  • Frequency: 50 Hz

Cooling Performance (AOTG30LBTA4)

  • Cooling capacity: 8.0 kW
  • Power consumption (cooling): 2.22 kW
  • Energy Efficiency Ratio (EER): 3.60 kW/kW
  • Rated operating current (cooling): 9.3 A

Quick Answer (EER): The EER of AOTG30LBTA4 is 3.60 kW/kW.

Heating Performance (AOTG30LBTA4)

  • Heating capacity: 9.6 kW
  • Power consumption (heating): 2.40 kW
  • Coefficient of Performance (COP): 4.00 kW/kW
  • Rated operating current (heating): 10.1 A

Compressor & Refrigerant Details

Compressor

  • Compressor type: Hermetic type, inverter
  • Motor configuration: 4 poles, 3-phase, DC motor
  • Compressor design: Twin rotary
  • Compressor model: TNB220FPBMT
  • Compressor weight: 14.3 kg (including oil)

Refrigerant

  • Refrigerant type: R410A
  • Precharged refrigerant (standard): 2,800 g
  • Factory charge by total pipe length (FULL CHARGE):
    • 2,800 g (50 m total piping)
    • 3,050 g (60 m total piping)
    • 3,300 g (70 m total piping)
  • Additional charge rate: 25 g per meter

Piping Limits

  • Maximum pipe length (total): 70 m
  • Maximum pipe length (each indoor unit): 25 m
  • Minimum pipe length (each indoor unit): 5 m
  • Minimum pipe length (total): 20 m
  • Maximum elevation (between indoor units): 10 m
  • Maximum elevation (between indoor and outdoor units): 15 m

Fan Motor, Speed & Airflow (Outdoor Unit)

Fan Motor

  • Outdoor unit fan motor: MFE-60TVT

Fan Speed

  • Cooling: 820 rpm
  • Heating: 780 rpm

Airflow

  • Outdoor airflow (high): 3,300 m³/hr

Noise Levels (Outdoor Unit)

  • Cooling: 50 dB
  • Heating: 51 dB

Dimensions & Weight

Outdoor Unit (AOTG30LBTA4)

  • Dimensions (H × W × D): 830 × 900 × 330 mm
  • Weight: 68 kg (net) / 75 kg (shipping)

Notes for Support Teams

  • This is a four-room multi-split outdoor unit designed to operate with multiple compatible indoor unit models.
  • When answering “Does this support X meters of pipe?”, confirm both:
    • Total pipe length (system total) limit: 70 m
    • Per indoor unit pipe length limit: 25 m
  • When answering “How much refrigerant is required?”, confirm:
    • Base precharge: 2,800 g
    • Additional charge: 25 g/m (apply per installation total beyond the precharged allowance, per service procedure)

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