This document covers the specifications for the indoor model ARTH60KHTA and the outdoor model AOTH60KBTA. The indoor system power supply is 220–240 V, 50 Hz (available voltage range 198–264 V) and the indoor unit is supplied 220–240 V from the outdoor unit.
Indoor unit (ARTH60KHTA): Rated cooling capacity is 15.5 kW (52,900 Btu/h) with min–max 5.0–16.5 kW (17,100–56,300 Btu/h), and rated heating capacity is 18.0 kW (61,400 Btu/h) with min–max 5.1–19.0 kW (17,500–65,300 Btu/h). Rated input power is 4.94 kW (cooling) and 4.94 kW (heating), with maximum input power 6.02 kW (cooling) and 6.74 kW (heating). Rated current is 21.1 A (cooling) and 21.4 A (heating). Efficiency is EER 3.14 kW/kW and COP 3.68 kW/kW. Seasonal performance is TCSPF 4.573 (Hot), 4.821 (Average), 5.181 (Cool) and HSPF 4.491 (Hot), 4.135 (Average), 3.523 (Cool). Sensible cooling capacity is 14.02 kW. Power factor is 99.0% (cooling) and 99.0% (heating). Moisture removal is 2.8 L/h (4.9 pints/h), and maximum operating current is 29.5 A. Airflow (Sirocco fan ×2, motor output 197 W, static pressure 60–260 Pa) is 986/836/689 L/s (3,550/3,010/2,480 m³/h) for High/Med/Low in both cooling and heating. Sound pressure is 45/41/39 dB(A) (cooling High/Med/Low) and 44/41/38 dB(A) (heating High/Med/Low). Net/gross weight is 67 kg / 76 kg, piping Ø9.52 liquid / Ø15.88 gas (flare), drain hose PVC (Ø31 I.D., Ø32 O.D.), operation range 18–32°C (cooling, 80%RH or less) and 16–30°C (heating), remote controller wired, IP rating IPX0.
Outdoor unit (AOTH60KBTA): Power supply is 220–240 V ~ 50 Hz (available voltage range 198–284 V) with starting current 21.7 A. Airflow is 1,945 L/s (7,000 m³/h) for both cooling and heating with propeller fan ×2 and 100 W motor output. Sound pressure is 53 dB(A) cooling and 55 dB(A) heating, with sound power 71 dB(A). Heat exchanger includes Main 1: 1,386 × 985 × 18.19 mm and Main 2: 1,386 × 985 × 18.19 mm, fin pitch 1.45 / 1.45, rows × stages 1 × 66 / 1 × 66, copper tube, aluminium, blue fin. Compressor is DC twin rotary, motor output 2,550 W. Refrigerant is R32, charge 3,400 g, oil type RmM68AF, amount 1,150 cm³. Enclosure is steel sheet, beige (approx. Munsell 10YR 7.5/1.0). Dimensions are 1,418 × 970 × 370 mm (net) and 1,589 × 1,057 × 495 mm (gross), weight 95 kg net / 107 kg gross, piping Ø9.52 liquid / Ø15.88 gas (flare), pre-charge length 30 m, max length 50 m, max height difference 30 m, operation range -10 to 50°C (cooling) and -15 to 24°C (heating), drain hose LDPE (Ø13.0 I.D., Ø16.0–Ø16.8 O.D.), and IP rating IPX4.
Electrical characteristics (AOTH60KBTA): Power supply 220–240 V, 50 Hz, maximum operating current 29.5 A, starting current 21.7 A, recommended circuit breaker 32 A, power cable 4.0 mm², connection cable 1.5 mm², and limited wiring length 51 m.
Safety devices (AOTH60KBTA): Circuit protection current fuses are 500 V, 50 A, 250 V, 10 A, and 250 V, 3.15 A. Fan motor thermal protection activates at 122 ±9°C (fan motor stop) and resets at 107–126°C (fan motor restart). Compressor discharge temperature protection activates at 110°C (compressor stop) and resets after 7 minutes (compressor restart). Compressor temperature protection activates at 108°C (compressor stop) and resets at 80°C or less (compressor restart). Outdoor temperature protection (COOL/DRY only) activates at -20°C (compressor stop) and resets at -15°C (compressor restart).