AIRSTAGE Technical Reference
ARTG45LHTDP / AOTG45LBTB
Matched ducted system technical specifications
Performance, electrical, refrigerant, piping, airflow, static pressure, noise and dimensional data
This article summarises the technical specifications for the ARTG45LHTDP indoor unit and corresponding AOTG45LBTB outdoor unit. These models operate as a matched system.
1. Quick answer
| Indoor unit | ARTG45LHTDP |
| Outdoor unit | AOTG45LBTB |
| Matched system | Yes |
| Power supply | Single phase, 240 V, 50 Hz |
| Cooling / heating capacity | 11.5 kW / 14.0 kW |
| EER / COP | 3.45 / 3.80 kW/kW |
| Refrigerant | R410A |
| Factory charge | 3,350 g for up to 20 m piping |
| Additional charge | 40 g per metre over 20 m |
| Maximum pipe length / height | 50 m / 30 m |
| Static pressure range | 30-200 Pa |
2. Model mapping and electrical specifications
| Item | Specification |
|---|---|
| Indoor unit | ARTG45LHTDP |
| Outdoor unit | AOTG45LBTB |
| Power supply | Single phase |
| Voltage | 240 V |
| Frequency | 50 Hz |
| Available voltage range | 198-264 V |
3. Cooling and heating performance
| Specification | Cooling | Heating |
|---|---|---|
| Rated capacity | 11.5 kW | 14.0 kW |
| Capacity range | 2.8-14.0 kW | 4.2-15.5 kW |
| Rated power consumption | 3.33 kW | 3.68 kW |
| Maximum power consumption | 5.00 kW | 5.02 kW |
| Efficiency | EER 3.45 kW/kW | COP 3.80 kW/kW |
| Rated operating current | 14.0 A | 15.4 A |
| Maximum operating current | 21.0 A | 21.0 A |
| Power factor | 99.1% | 99.6% |
| Moisture removal | 2.6 L/h | - |
Direct answer: The EER of the ARTG45LHTDP is 3.45 kW/kW.
4. Compressor, refrigerant and piping
| Item | Specification |
|---|---|
| Compressor type | Twin rotary × 1 |
| Compressor motor output | 2,100 W |
| Compressor model | Not specified in the manual |
| Refrigerant | R410A |
| Factory charge | 3,350 g |
| Pre-charge length | 20 m |
| Additional charge rate | 40 g per metre over 20 m |
| Maximum pipe length / height | 50 m / 30 m |
| Refrigerant oil | POE (RB68), 800 cm³ |
Connection details
- Liquid pipe: Ø9.52 mm (3/8 in.)
- Gas pipe: Ø15.88 mm (5/8 in.)
- Connection method: Flare
- Drain hose: Ø25 mm I.D. / Ø32 mm O.D.
5. Fan, airflow, static pressure and noise
| Item | Specification |
|---|---|
| Indoor fan | Sirocco fan × 3, 375 W motor output |
| Static pressure range | 30-200 Pa |
| Indoor fan power | Quiet 70 W; low 90 W; medium 135 W; high 225 W |
| Indoor airflow | Quiet 1,430; low 1,650; medium 2,040; high 2,550 m³/h in cooling and heating |
| Outdoor fan | Propeller × 2, 100 W × 2 motor output |
| Outdoor airflow | 6,650 m³/h cooling / 6,200 m³/h heating |
| Indoor sound pressure | Quiet 29; low 31; medium 35; high 40 dB(A) in cooling and heating |
| Outdoor sound pressure | 55 dB(A) cooling / 55 dB(A) heating |
| Outdoor sound power | 69 dB(A) |
6. Dimensions and weight
| Unit | Net dimensions (H × W × D) | Gross dimensions | Weight |
|---|---|---|---|
| ARTG45LHTDP indoor | 300 × 1,400 × 700 mm | 400 × 1,638 × 875 mm | 46 kg net / 55 kg gross |
| AOTG45LBTB outdoor | 1,290 × 900 × 330 mm | 1,460 × 1,050 × 445 mm | 86 kg net / 95 kg gross |
7. Operating range
- Outdoor cooling: -15°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
What is the cooling capacity?
11.5 kW.
11.5 kW.
What is the heating capacity?
14.0 kW.
14.0 kW.
What are the EER and COP?
EER 3.45 kW/kW and COP 3.80 kW/kW.
EER 3.45 kW/kW and COP 3.80 kW/kW.
Does the system support a 50 m pipe run?
Yes. The maximum pipe length is 50 m, with a maximum height difference of 30 m.
Yes. The maximum pipe length is 50 m, with a maximum height difference of 30 m.
What additional refrigerant charge is required?
40 g per metre for pipe length over 20 m.
40 g per metre for pipe length over 20 m.
What is the indoor airflow range?
1,430-2,550 m³/h.
1,430-2,550 m³/h.
What is the static pressure range?
30-200 Pa.
30-200 Pa.