1. Specifications
Type Inverter, Heat pump
Model name AOU45RLXFZ
Power source 1Ø 208/230 V 60 Hz
Available voltage range 187—264V
Connectable indoor unit
Number 2 to 5
Total capacity range 34,000 to 54,000 Btu/h
Combination of indoor unit
Non-Duct
ASU9RLF1 x 5
Duct
ADUH09LUAS1 x 5
Mix
Capacity
Cooling
Rated
Btu/h 45,000
kW 13.2
Min. - Max.
Btu/h 12,000—48,000
kW 3.5—14.0
Heating
Rated
Btu/h 48,000 46,000 47,000
kW 14.0 13.5 13.77
Min. - Max.
Btu/h 12,000—54,000
kW 3.50—15.80 3.52—15.83
Heating
(17°F)*
1
Rated
Btu/h 28,200 27,800 28,000
kW 8.26 8.15 8.21
Min.—Max.
Btu/h 6,500—36,900
kW 1.90—10.81
Heating
(5°F)*
2
Rated
Btu/h 31,400
kW 9.20
Min.—Max.
Btu/h 5,500—31,400
kW 1.61—9.20
Input power
Cooling
Rated
kW
4.28 4.59 —
Max. 4.77 4.86 —
Heating
Rated 3.88 3.89 —
Max. 4.32 4.41 —
Heating
(17°F)*
1
Rated 3.33 3.36 —
Max. 4.90 —
Heating
(5°F)*
2
Rated 4.89 —
Max. 4.89 —
Current
Cooling
Rated A
18.8 20.1 19.4
Heating 17.0 17.1
EER2 Cooling Rated Btu/hW 10.5 9.8 10.2
SEER2 Cooling Btu/hW 20.0 18.2 19.1
COP2 Heating Rated kW/kW 3.60 3.46 3.53
HSPF2 Heating Btu/hW 9.2 8.3 8.8
Power factor
Cooling
Rated %
99.0 99.3 —
Heating 99.2 99.5 —
Starting current A 20.1
Maximum operating current*
3
A 23.8
Fan
Type × Q'ty Propeller × 1
Airflow rate
Cooling
CFM (m
3
/h)
2,472 (4,200)
Heating 2,472 (4,200)
Motor
Type × Quantity DC motor × 1
Output W 111
Sound pressure level*
4
Cooling
Rated dB (A)
53
Heating 55
Heat exchang-
er
Dimension (H x W x D) in (mm) 38-1/16 × 36-5/16 × 2-3/16 (966 × 922 × 55)
Fin pitch FPI 18
Rows × Stages 3 × 46
Pipe type (Material) Grooved H-pin (Copper)
Fin
Type (Material) Corrugate (Aluminum)
Surface treatment Corrosion resistance (Blue Fin)
Compressor
Type × Quantity DC twin rotary × 1
Motor output W 2,100
Refrigerant
Type R410A
Charge lb (g) 8 lb 13 oz (4,000)
Refrigerant oil
Type RB68
Amount
in
3
(cm
3
)
70.2(1,150)
Enclosure
Material Painted galvanized steel
Color
Beige
(Approximate color of Munsell 10YR 7.5/1.0 NN)
Dimensions
Net
(H x W x D) in (mm)
39-5/16 × 38-3/16 × 14-9/16 (998 × 970 × 370)
Gross 45-3/4 × 45-1/4 × 18-13/16 (1,162 × 1,150 × 478)
Weight
Net
lb (kg)
205 (93)
Gross 229 (104)
Connection
pipe
Size
Liquid
in (mm)
Ø1/4 (Ø6.35) x 5
Gas Ø3/8 (Ø9.52) x 3 + Ø1/2 (Ø12.70) x 2
Method Flare
Pre-charge length (Total)
ft (m)
164 (50)
Max. length (Total) 262 (80)
Max. length (Each) 82 (25)
Min. length (Total) 49 (15)
Min. length (Each) 16 (5)
Max. height difference between outdoor
unit and each Indoor Units.
49 (15)
Max. height difference between indoor
units.
33 (10)
Operation range
Cooling
°F (°C)
14 to 115 (-10 to 46)
Heating 5 to 75 (-15 to 24)
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1. Specifications
OUTDOOR UNIT
AOU45RLXFZ
OUTDOOR UNIT
AOU45RLXFZ