The indoor unit ARTH30KHTA is powered via the outdoor unit and operates on 220–240V, 50Hz with an available voltage range of 198–264V, and the indoor unit supply is 220–240V. Rated cooling capacity is 8.5 kW (29,000 Btu/h) with a capacity range of 4.1–11.0 kW (14,000–37,500 Btu/h), while rated heating capacity is 10.0 kW (34,100 Btu/h) with a range of 4.2–12.0 kW (14,300–41,000 Btu/h). Cooling input power is 2.18 kW rated / 3.36 kW max and heating input power is 2.20 kW rated / 3.12 kW max, with rated current of 9.6A (cooling) and 9.7A (heating). Efficiency is EER 3.90 and COP 4.55, with TCSPF values of 5.108 (hot), 5.148 (average) and 5.458 (cool), and HSPF values of 4.843 (hot), 4.624 (average) and 4.201 (cool). Cooling sensible capacity is 8.43 kW, power factor is 98.7% (cooling) and 98.6% (heating), moisture removal is 0.1 L/h (0.2 pints/h), and maximum operating current is 22.6A for both cooling and heating. Airflow for both cooling and heating is 695 l/s (2,500 m³/h) high, 589 l/s (2,120 m³/h) medium, and 486 l/s (1,750 m³/h) low, using a sirocco fan ×2 with 197W motor output and a static pressure range of 60 to 210 Pa. Sound pressure level for both cooling and heating is 41 dB(A) high, 38 dB(A) medium, and 36 dB(A) low, with cooling sound power level 61 dB(A) (high). The heat exchanger is 336 × 890 × 53.2 mm with 1.3 fin pitch and 4 × 16 rows × stages, using copper pipe and aluminium fins, and the enclosure is steel sheet. Net dimensions are 400 × 1,050 × 500 mm (gross 460 × 1,230 × 640 mm) with net weight 39 kg (gross 46 kg). Connection piping is Ø9.52 mm (3/8") liquid and Ø15.88 mm (5/8") gas with flare connections, the drain hose is PVC with tip Ø25 (I.D.) / Ø32 (O.D.), the operating range is 18–32°C (≤80%RH) cooling and 16–30°C heating, the controller is wired, and the IP rating is IPX0.


The outdoor unit AOTH30KCTA operates on 220–240V ~ 50Hz with an available voltage range of 198–264V and a starting current of 10.5A. Airflow is 1,086 l/s (3,910 m³/h) in cooling and 1,147 l/s (4,130 m³/h) in heating via a propeller fan ×1 with 120W motor output. Sound pressure level is 51 dB(A) cooling and 53 dB(A) heating, with sound power level 69 dB(A). The heat exchanger includes Main 1: 966 × 905 × 18.19 mm and Main 2: 966 × 905 × 18.19 mm, with fin pitch 1.45 and rows × stages 1 × 46 per main coil, using copper tube with aluminium blue-fin treatment. The compressor is DC twin rotary with 2,180W motor output, refrigerant is R32 with a charge of 2,100 g, and refrigerant oil is RmM68AF (800 cm³). Enclosure material is steel sheet in beige (approx. Munsell 10YR 7.5/1.0), net dimensions are 998 × 940 × 320 mm (gross 1,176 × 1,027 × 445 mm) with net weight 64 kg (gross 73 kg). Piping is Ø9.52 / Ø15.88 flare, pre-charge length is 30 m, maximum length 75 m, and maximum height difference 30 m, with operating ranges of −10 to 50°C cooling and −15 to 24°C heating. The drain hose is LDPE with tip Ø13.0 (I.D.) / Ø16.0–Ø16.7 (O.D.), and the IP rating is IPX4. Electrically, AOTH30KCTA is specified for 220–240V, 50Hz, with maximum operating current 22.6A, starting current 10.5A, circuit breaker 25A, power cable 4.0 mm², connection cable 1.5 mm², and limited wiring length 76 m. Safety devices include a main PCB current fuse of 250V 30A or 35.5A, 250V 3.15A, and 250V 10A ×2, fan motor thermal protection that activates at 150 ±15°C (stop) and resets at 120 ±15°C (restart), compressor discharge temperature protection that activates at 110°C and resets after 7 minutes, compressor temperature protection that activates at 108°C and resets at 80°C or less, and outdoor temperature protection (COOL/DRY only) that activates at −20°C and resets at −15°C.