1-2. Outdoor unit
Type Inverter heat pump
Model name AOUH09LUAS1 AOUH12LUAS1 AOUH18LUAS1
Power supply 208/230 V ~ 60 Hz
Power supply intake Outdoor unit
Available voltage range 187—253 V
Starting current A 4.6 6.4 8.1
Fan
Airflow rate
Cooling
CFM (m
3
/h)
906 (1,540)
1,171 (1,990) 1,395 (2,370)
Heating 1,089 (1,850) 1,460 (2,480)
Type × Q'ty Propeller fan × 1
Motor output → 23 49
Sound pressure level *1
Cooling
dB (A)
44 48 52
Heating 48 49 55
Heat exchanger type
Dimensions
(H × → × D)
in (mm)
Main1: 19-13/16 × 34-11/16 ×
11/16
(504 × 881 × 18.19)
Main2: 19-13/16 × 33-1/2 ×
11/16
(504 × 851 × 18.19)
Main1: 23-1/8 × 34-11/16 × 11/16
(588 × 881 × 18.19)
Main2: 23-1/8 × 33-1/2 × 11/16
(588 × 851 × 18.19)
Fin pitch FPI 20
Rows × Stages
Main1: 1 × 24
Main2: 1 × 24
Main1: 1 × 28
Main2: 1 × 28
Pipe type Copper
Fin type
Type (Material) Aluminum
Surface treatment PC fin
Compressor
Type DC rotary × 1 DC twin rotary × 1
Motor output → 900 1,030
Refrigerant
Type R410A
Charge
lb oz 2lbs.3oz. 2lbs.10oz. 2lbs.12oz.
g 1,000 1,200 1,250
Refrigerant oil
Type RB68
Amount
in
3
(cm
3
)
20.7 (340) 24.4 (400)
Enclosure
Material Steel sheet
Color
Beige
Approximate color of Munsell 10↔R 7.5/1.0
Dimensions
(H × → × D)
Net
in (mm)
21-5/16 × 31-7/16 × 11-7/16
(542 × 799 × 290)
24-7/8 × 31-7/16 × 11-7/16
(632 × 799 × 290)
Gross
23-11/16 × 37 × 14-3/4
(602 × 940 × 375)
27-1/4 × 37 × 14-3/4
(692 × 940 × 375)
→eight
Net
lb (kg)
70 (32) 84 (38) 86 (39)
Gross 77 (35) 95 (43)
Connection pipe
Size
Liquid
in (mm)
Ø 1/4 (Ø 6.35)
Gas Ø 3/8 (Ø 9.52) Ø 1/2 (Ø 12.7)
Method Flare
Pre-charge length
ft (m)
49 (15) 66 (20)
Max. length 66 (20) 98 (30)
Max. height difference 49 (15)
Operation range
Cooling
°F (°C)
14 to 115 (-10 to 46)
Heating -5 to 75 (-21 to 24)
Drain hose
Material PP
Tip diameter in (mm) Ø 1/2 (Ø 13.0) (I. D.), Ø 5/8 to 11/16 (Ø 16.0 to 16.8) (O. D.)
NOTES:
• Specifications are based on the following conditions:
– Cooling: Indoor temperature of 80 °FDB (26.67 °CDB) / 67 °F→B (19.44 °C→B), and outdoor temperature of 95 °FDB (35 °CDB) / 75 °F→B (23.9 °C→B).
– Heating: Indoor temperature of 70 °FDB (21.11 °CDB) / 59 °F→B (15 °C→B), and outdoor temperature of 47 °FDB (8.33 °CDB) / 43 °F→B (6.11 °C→B).
– Pipe length: 24 ft 6 in (7.5 m), Height difference: 0 ft (0 m). (Between outdoor unit and indoor unit.)
• Protective function might work when using it outside the operation range.
• *1: Sound pressure level
– Measured values in manufacturer’s anechoic chamber.
– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.
1-2. Outdoor unit - (01-3) - 1. Specifications
GENERAL
INFORMATION
GENERAL
INFORMATION