AIRSTAGE Technical Reference
ARTG54LHTA / AOTG54LATL
Matched ducted system technical specifications
Performance, electrical, refrigerant, airflow, piping, dimensions and operating limits
This article provides the technical specifications for the ARTG54LHTA indoor unit and the corresponding AOTG54LATL outdoor unit. These models are designed to operate as a matched system.
1. Quick answer
| Indoor unit | ARTG54LHTA |
| Outdoor unit | AOTG54LATL |
| Matched system | Yes |
| Power supply | Single phase, 240 V, 50 Hz |
| Cooling capacity | 14.0 kW |
| Heating capacity | 16.0 kW |
| EER / COP | 3.00 / 3.60 kW/kW |
| Refrigerant | R410A |
| Maximum piping | 50 m length / 30 m height |
2. Model mapping and electrical specifications
| Item | Specification |
|---|---|
| Indoor unit | ARTG54LHTA |
| Outdoor unit | AOTG54LATL |
| Power phase | Single phase |
| Voltage / frequency | 240 V / 50 Hz |
| Available voltage range | 198-264 V |
3. Cooling and heating performance
| Specification | Cooling | Heating |
|---|---|---|
| Rated capacity | 14.0 kW | 16.0 kW |
| Capacity range | 6.2-15.2 kW | 6.2-18.0 kW |
| Rated power consumption | 4.66 kW | 4.44 kW |
| Maximum power consumption | 5.63 kW | 5.63 kW |
| Efficiency | EER 3.00 kW/kW | COP 3.60 kW/kW |
| Rated operating current | 19.5 A | 18.6 A |
| Maximum operating current | 23.5 A | 23.5 A |
| Moisture removal | 1.0 L/h | - |
Direct answer: The EER of the ARTG54LHTA is 3.00 kW/kW.
4. Compressor, refrigerant and piping
Compressor
- Type: Twin rotary x 1
- Motor output: 2,100 W
- Compressor model, weight and motor pole details: Not specified in the provided manual
Refrigerant charge
| Total pipe length | Required charge |
|---|---|
| Up to 20 m | 3,350 g |
| 30 m | 3,750 g |
| 40 m | 4,150 g |
| 50 m | 4,550 g |
- Refrigerant: R410A
- 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 type: RB
- Liquid pipe: Ø9.52 mm (3/8 in.)
- Gas pipe: Ø15.88 mm (5/8 in.)
- Connection method: Flare
Important: Confirm the actual installed pipe length before calculating additional refrigerant. The factory charge covers a total pipe length of up to 20 m.
5. Fan speed, airflow and noise
| Item | Specification |
|---|---|
| Indoor fan motor model | Not specified in the provided manual |
| Outdoor fan motor model | Not specified in the provided manual |
| Indoor airflow | Low 2,450 / Medium 3,000 / High 3,550 m³/h |
| Outdoor airflow | Cooling 6,750 / Heating 6,850 m³/h |
| Outdoor fan speed - cooling | Upper 850 rpm / Lower 800 rpm |
| Outdoor fan speed - heating | Upper 850 rpm / Lower 830 rpm |
| Indoor sound pressure | 36 dB(A) low / 45 dB(A) high |
| Outdoor sound pressure | 55 dB(A) cooling / 56 dB(A) heating |
6. Dimensions and weight
| Unit | Dimensions (H x W x D) | Net / shipping weight |
|---|---|---|
| ARTG54LHTA indoor | 425 x 1,250 x 490 mm | 54 / 61 kg |
| AOTG54LATL outdoor | 1,290 x 900 x 330 mm | 86 / 95 kg |
7. Operating range
| Condition | Range |
|---|---|
| Outdoor cooling | -5°C to 46°C |
| Outdoor heating | -15°C to 24°C |
| Indoor cooling | 18°C to 32°C, 80% RH or less |
| Indoor heating | 16°C to 30°C |
8. Direct answers to common questions
Source: Fujitsu General Design & Technical Manual covering ARTG30LHTA / ARTG36LHTA / ARTG45LHTA / ARTG54LHTA and AOTG30LATL / AOTG36LATL / AOTG45LATL / AOTG54LATL.