AIRSTAGE Technical Reference
ARTG45LHTB / AOTG45LATT
Matched ducted system technical specifications
Capacities, electrical data, refrigerant charge, piping limits, airflow, sound levels and dimensions
This article provides the technical specifications for the ARTG45LHTB indoor unit and its matched AOTG45LATT outdoor unit.
1. Quick answer
| Indoor unit | ARTG45LHTB |
| Outdoor unit | AOTG45LATT |
| Matched system | Yes |
| Power supply | 3N ~ 415 V, 50 Hz |
| Cooling capacity | 12.5 kW |
| Heating capacity | 14.0 kW |
| EER / COP | 3.27 / 3.81 kW/kW |
| Refrigerant | R410A |
| Factory charge | 3,450 g for up to 30 m piping |
| Additional charge | 50 g per metre over 30 m |
| Maximum pipe length / height | 75 m / 30 m |
2. Model mapping and electrical specifications
Matched combination: ARTG45LHTB indoor unit with AOTG45LATT outdoor unit.
| Electrical item | Specification |
|---|---|
| Phase | Three phase and neutral |
| Voltage | 415 V |
| Frequency | 50 Hz |
| Available voltage range | 342-457 V |
3. Cooling and heating performance
| Specification | Cooling | Heating |
|---|---|---|
| Rated capacity | 12.5 kW | 14.0 kW |
| Capacity range | 5.7-14.0 kW | 6.0-16.2 kW |
| Rated power consumption | 3.82 kW | 3.67 kW |
| Maximum power consumption | 6.37 kW | 6.37 kW |
| Efficiency | EER 3.27 kW/kW | COP 3.81 kW/kW |
| Rated operating current | 5.5 A | 5.3 A |
| Maximum operating current | 11.0 A | 11.0 A |
| Moisture removal | 1.0 L/h | - |
4. Compressor, refrigerant and piping
Compressor
- Type: Twin rotary x 1
- Motor type: DC twin rotary compressor
- Motor output: 3,750 W
- Compressor model, weight and motor pole details: Not specified in the provided manual
Refrigerant charge
| Total pipe length | Required refrigerant charge |
|---|---|
| Up to 30 m | 3,450 g factory charge |
| 40 m | 4,950 g |
| 50 m | 5,450 g |
| 60 m | 5,950 g |
| 70 m | 6,450 g |
Additional charge: Add 50 g of R410A per metre when the total pipe length exceeds the 30 m pre-charge length.
- Maximum piping length: 75 m
- Maximum piping height: 30 m
- Liquid pipe: Ø9.52 mm (3/8 in.)
- Gas pipe: Ø15.88 mm (5/8 in.)
- Connection method: Flare
- Refrigerant oil type: POE
5. Fan speed, airflow and sound levels
| Item | Specification |
|---|---|
| Indoor fan motor model | Not specified in the provided manual |
| Outdoor fan motor model | Not specified in the provided manual |
| Outdoor fan speed - cooling | Upper 850 rpm / Lower 800 rpm |
| Outdoor fan speed - heating | Upper 780 rpm / Lower 750 rpm |
| Indoor airflow | Low 2,250 / Medium 2,750 / High 3,250 m³/h |
| Outdoor airflow | Cooling 6,750 / Heating 6,200 m³/h |
| Indoor sound pressure | Low 35 / High 43 dB(A) |
| Outdoor sound pressure | Cooling 54 / Heating 54 dB(A) |
6. Dimensions and weight
| Unit | Dimensions (H x W x D) | Weight |
|---|---|---|
| ARTG45LHTB indoor | 425 x 1,250 x 490 mm | 54 kg net / 61 kg shipping |
| AOTG45LATT outdoor | 1,290 x 900 x 330 mm | 104 kg net / 114 kg shipping |
7. Operating range
- Outdoor cooling range: -15°C to 46°C
- Outdoor heating range: -15°C to 24°C
- Indoor cooling range: 18°C to 32°C, 80% RH or less
- Indoor heating range: 16°C to 30°C
8. Direct answers to common questions
Source: Fujitsu General Design & Technical Manual covering ARTG36LHTB / ARTG45LHTB / ARTG54LHTB / ARTG60LHTA and AOTG36LATT / AOTG45LATT / AOTG54LATT / AOTG60LATT.