1. Specifications
Type Inverter heat pump
Model name AOU9RLFC AOU12RLFC AOU18RLFC
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—253 V
Starting current A 4.1 6.7 7.7
Fan
Airflow rate
Cooling
CFM (m
3
/h)
795 (1,350) 1,207 (2,050) 1,457 (2,475)
Heating 989 (1,680) 1,083 (1,840) 1,386 (2,355)
Type × Q'ty Propeller × 1
Motor output W 115
Sound pressure level *1
Cooling
dB (A)
44 49 54
Heating 49 50 55
Heat exchanger type
Dimensions
(H × W × D)
in (mm)
23-5/32 × 34-11/16 × 1-7/16
(588 × 881 × 36.4)
Fin pitch FPI 20
Rows × Stages 2 × 28
Pipe type Copper
Fin
Type (Material) Aluminum
Surface treatment PC fin
Compressor
Type × Q'ty Rotary × 1
Motor output W 850 1,000
Refrigerant
Type R410A
Factory charge lb (g) 2 lb 10 oz (1,200) 2 lb 14 oz (1,300)
Refrigerant oil
Type FREOL α68SZ FREOL α68SZ/Equivalent
Amount
in
3
(cm
3
)
21.3 (350)
Enclosure
Material Steel
Color
Beige
Approximate color of Munsell 10YR 7.5/1.0
Dimensions
(H × W × D)
Net
in (mm)
24-1/2 × 31-3/32 × 11-11/32 (620 × 790 × 290)
Gross 28-1/16 × 37-7/32 × 15-9/16 (713 × 945 × 395)
Weight
Net
lb (kg)
84 (38) 86 (39)
Gross 93 (42) 95 (43)
Connection pipe
Size
Liquid
in (mm)
Ø1/4 (Ø6.35)
Gas Ø3/8 (Ø9.52) Ø1/2 (Ø12.70)
Method Flare
Pre-charge length
ft (m)
49 (15)
Max. length 66 (20)
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 LDPE
Size in (mm) Ø1/2 (Ø13.0) [I.D.], Ø5/8 to Ø11/16 (Ø16.0 to Ø16.7) [O.D.]
NOTES:
• Specifications are based on the following conditions:
– Cooling: Indoor temperature of 80 °FDB/67 °FWB(26.67 °CDB/19.44 °CWB), and outdoor temperature of 95 °FDB/75 °FWB (35 °CDB/23.9 °CWB).
– Heating: Indoor temperature of 70 °FDB/59 °FWB (21.11 °CDB/15 °CWB), and outdoor temperature of 47 °FDB /43 °FWB (8.33 °CDB/6.11°CWB).
– Pipe length: 24 ft 7 in (7.5 m), Height difference: 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.
- 46 -
1. Specifications
OUTDOOR UNIT
AOU9-18RLFC
OUTDOOR UNIT
AOU9-18RLFC