AIRSTAGE Technical Reference
ARTG45LHTA / AOTG45LBTC
Matched ducted system specifications
Capacity, electrical, refrigerant, airflow, noise, dimensions and piping data
Matched system: Indoor unit ARTG45LHTA is matched with outdoor unit AOTG45LBTC.
Quick Answer
| Indoor unit | ARTG45LHTA |
| Outdoor unit | AOTG45LBTC |
| Power supply | Single phase, 240 V, 50 Hz |
| Cooling / heating capacity | 11.5 kW / 14.0 kW |
| EER / COP | 3.11 / 3.65 kW/kW |
| Refrigerant | R410A, factory charge 2,900 g |
| Additional charge | 40 g per metre over 20 m |
| Maximum pipe length / height | 50 m / 30 m |
| External static pressure | Rated 60 Pa; selectable high settings 100, 150 or 200 Pa; operating range 60-260 Pa |
Model Mapping
- Indoor unit: ARTG45LHTA
- Outdoor unit: AOTG45LBTC
- These units operate as a matched system.
Electrical Specifications
| Item | Specification |
|---|---|
| Supply | Single phase, 240 V, 50 Hz |
| Available voltage range | 198-264 V |
| Maximum operating current | 23.5 A |
| Recommended circuit breaker | 32 A |
| Power cable | 4.0 mm² |
| Connection cable | 1.5 mm² |
| Limited wiring length | 51 m |
Cooling and Heating Performance
| Item | Cooling | Heating |
|---|---|---|
| Rated capacity | 11.5 kW | 14.0 kW |
| Capacity range | 5.7-13.5 kW | 6.0-15.5 kW |
| Power consumption | 3.70 kW | 3.84 kW |
| Maximum power consumption | 5.62 kW | 5.62 kW |
| Efficiency | EER 3.11 kW/kW | COP 3.65 kW/kW |
| Rated current | 15.5 A | 16.1 A |
| Maximum current | 23.5 A | 23.5 A |
Direct answer: The EER of ARTG45LHTA is 3.11 kW/kW.
Compressor and Refrigerant Details
- Compressor: Twin rotary x 1
- Compressor motor output: 2,100 W
- Compressor model and weight: Not specified in the manual
- Refrigerant: R410A
- Factory charge: 2,900 g
- Pre-charge length: 20 m
- Additional charge: 40 g per metre over 20 m
- Maximum pipe length: 50 m
- Maximum height difference: 30 m
- Refrigerant oil: POE (RB68), 800 cm³
Fan, Airflow and Static Pressure
- Indoor fan: Sirocco fan x 2; motor output 197 x 2 W
- Indoor airflow, cooling and heating: High 3,250 m³/h; Medium 2,750 m³/h; Low 2,200 m³/h
- External static pressure: Rated 60 Pa; high settings 100, 150 or 200 Pa; operating range 60-260 Pa
- Outdoor fan: Propeller x 1; motor output 111 W
- Outdoor airflow: 4,200 m³/h cooling; 4,650 m³/h heating
Noise Levels
| Location | Noise level |
|---|---|
| Indoor - cooling and heating | High 43 dB(A); Medium 39 dB(A); Low 35 dB(A) |
| Outdoor | 58 dB(A) cooling; 58 dB(A) heating; sound power 72 dB(A) |
Dimensions and Weight
| Unit | Net dimensions (H x W x D) | Gross dimensions | Weight |
|---|---|---|---|
| Indoor | 425 x 1,250 x 490 mm | 490 x 1,440 x 655 mm | 54 kg net / 61 kg gross |
| Outdoor | 914 x 970 x 370 mm | 1,078 x 1,064 x 479 mm | 75 kg net / 84 kg gross |
Pipe Connections
- Liquid pipe: Ø 9.52 mm (3/8 in.)
- Gas pipe: Ø 15.88 mm (5/8 in.)
- Connection: Flare
- Drain hose: Ø 23.4 mm I.D. / Ø 25.4 mm O.D.
Operating Range
- Indoor cooling: 18 to 32°C; 80% RH or less
- Indoor heating: 16 to 30°C
- Outdoor cooling: -15 to 46°C
- Outdoor heating: -15 to 24°C
Common Questions
| What is the cooling capacity? | 11.5 kW |
| What is the heating capacity? | 14.0 kW |
| What is the EER? | 3.11 kW/kW |
| What is the COP? | 3.65 kW/kW |
| What refrigerant is used? | R410A |
| Can the system support a 50 m pipe run? | Yes |
| What is the additional refrigerant charge? | 40 g per metre over 20 m |
| What is the maximum piping height? | 30 m |
Specifications should be confirmed against the applicable product documentation before installation or service work.