General Assist Technical Reference
ARTG18LLLA & AOTG18LACC
Matched ducted system technical specifications
Indoor unit: ARTG18LLLA | Outdoor unit: AOTG18LACC | Refrigerant: R410A
This article provides the principal performance, electrical, dimensional, airflow, noise and refrigerant specifications for the ARTG18LLLA indoor unit and its matched AOTG18LACC outdoor unit.
1. Quick answer
| Indoor unit model | ARTG18LLLA |
| Outdoor unit model | AOTG18LACC |
| Matched system | Yes |
| Power supply | Single phase, 240 V, 50 Hz |
| Cooling capacity | 5.20 kW |
| Heating capacity | 6.00 kW |
| EER / COP | 3.59 / 3.85 kW/kW |
| Refrigerant | R410A |
| Maximum pipe length / height | 30 m / 20 m |
2. Electrical and performance specifications
Electrical supply
| Item | Specification |
|---|---|
| Supply | 240 V, single phase, 50 Hz |
| Available voltage range | 198–264 V |
| Maximum operating current | 13.1 A |
| Starting current | 7.0 A |
| Manual circuit-breaker reference | 25 A — confirm all wiring and protection against current local requirements |
3. Compressor, refrigerant and piping
| Item | Specification |
|---|---|
| Compressor | DC twin rotary × 1 |
| Compressor motor output | 1,100 W |
| Refrigerant | R410A |
| Factory charge | 1,650 g for pipe length up to 15 m |
| Additional charge | 20 g per metre over 15 m |
| Maximum pipe length | 30 m |
| Maximum height difference | 20 m |
| Liquid / gas pipe | Ø6.35 mm (1/4 in.) / Ø12.70 mm (1/2 in.), flare connection |
| Refrigerant oil | POE (RB68), 600 cm³ |
Refrigerant charging: The factory charge covers up to 15 m total pipe length. Add 100 g at 20 m, 200 g at 25 m or 300 g at the maximum 30 m pipe length.
4. Fan, airflow and sound levels
| Fan setting | Indoor airflow | Equivalent |
|---|---|---|
| Quiet | 750 m³/h | 208 L/s / 441 CFM |
| Low | 820 m³/h | 228 L/s / 483 CFM |
| Medium | 880 m³/h | 244 L/s / 518 CFM |
| High | 940 m³/h | 261 L/s / 553 CFM |
| Sound / outdoor airflow | Cooling | Heating |
|---|---|---|
| Indoor sound pressure | 27 dB(A) quiet / 32 dB(A) high | 27 dB(A) quiet / 32 dB(A) high |
| Outdoor sound pressure | 55 dB(A) | 56 dB(A) |
| Outdoor airflow | 2,460 m³/h | 2,460 m³/h |
Specified sound-pressure levels are laboratory values measured in an anechoic chamber. Actual installed sound levels may be higher due to the surrounding environment, ductwork and mounting conditions.
5. Dimensions and weights
| Unit | Net dimensions (H × W × D) | Shipping dimensions | Weight |
|---|---|---|---|
| ARTG18LLLA indoor | 198 × 900 × 620 mm | 276 × 1168 × 772 mm | 23 kg net / 27 kg gross |
| AOTG18LACC outdoor | 620 × 790 × 290 mm | 713 × 945 × 395 mm | 41 kg net / 44 kg gross |
6. Operating range
| Condition | Range |
|---|---|
| Outdoor cooling | -10°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 |
7. Direct answers to common questions
Source: Fujitsu General Design & Technical Manual DR_AR007EF_05, dated 29 May 2020. Specifications and designs may change without notice. Confirm current installation instructions and local electrical requirements before installation or service work.