1. Specifications
1-1. Specifications
Type
Inverter heat pump
Model name
AOU18RLXFZ
Power source
1Ø 208/230 V 60 Hz
Available voltage range
187—264V
Connectable indoor unit
Number
2
Total capacity range
14,000 to 21,000 Btu/h
Combination of indoor unit
Non-duct
ASU9RLF1 × 2
Duct
ARU9RLF × 2
Mix
Capacity
Cooling
Rated
Btu/h
18,000
kW
5.28
Min.—Max.
Btu/h
6,100—21,000
kW
1.8—6.2
Heating
Rated
Btu/h
22,000
kW
6.42
Min.—Max.
Btu/h
6,800—24,400
kW
2.0—7.2
Input power
Cooling
Rated
kW
1.44
1.49
1.46
Max.
2.06
2.14
2.10
Heating
Rated
1.87
1.83
1.84
Max.
2.10
2.08
2.09
Current
Cooling
Rated
A
6.3
6.6
6.4
Heating
8.2
8.0
8.1
EER
Cooling
Rated
Btu/W
12.5
12.1
12.3
SEER *
1
Cooling
-
18.0
16.0
17.0
COP
Heating
Rated
W/W
3.44
3.52
3.48
HSPF *
1
Heating
-
9.03
9.0
9.15
Starting current
A
8.2
Maximum operating current *
2
A
10.0
Fan
Type × Q'ty
Propeller × 1
Airflow rate
Cooling
CFM (m
3
/h)
1,795 (3,050)
Heating
1,619 (2,750)
Motor
Type × Quantity
DC motor × 1
Output
W
100
Sound pressure level
Cooling
Rated
dB (A)
49
Heating
49
Heat exchanger
Dimension (H × W × D)
in (mm)
26-7/16 × 35-7/16 × 1-7/16 (672 × 900 × 36.38)
Fin pitch
FPI
18
Rows × Stages
2 × 32
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
1,100
Refrigerant
Type
R410A
Charge
lb (g)
4 lb 14 oz (2,200)
Refrigerant oil
Type
POE
Amount
in
3
(cm
3
)
39.7 (650)
Enclosure
Material
Painted galvanized steel
Color
Beige
(Approximate color of Munsell 10YR 7.5/1.0 NN)
Dimensions
Net
(H × W × D)
in (mm)
27-9/16 × 35-7/16 × 13 (700 × 900 × 330)
Gross
34-1/16 × 41-5/16 × 17-1/2 (865 × 1,050 × 445)
Weight
Net
lb (kg)
119 (54)
Gross
137 (62)
Connection pipe
Size
Liquid
in (mm)
Ø1/4 (Ø6.35) × 2
Gas
Ø3/8 (Ø9.52) × 2
Method
Flare
Pre-charge length (Total)
ft (m)
98 (30)
Max. length (Total)
164 (50)
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)
NOTES:
• Specifications are based on the following conditions:
– Power source of specifications : 230 V
– Pipe length: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit—Indoor unit]
– Cooling: Indoor temperature of 80 °FDB (26.7 °CDB)/67 °FWB (19.4 °CWB), and outdoor temperature of 95 °FDB (35°CDB)/75 °FWB (23.9 °CWB).
– Heating: Indoor temperature of 70 °FDB (21.1 °CDB)/60 °FWB (15.6 °CWB), and outdoor temperature of 47 °FDB (8.3 °CDB)/43 °FWB (6.1 °CWB).
– *1: Test conditions are based on AHRI 210/240.
– *2: Maximum operating current is the total current of the indoor unit and the outdoor unit.
• For other combination, refer to the combination table.
• The protective function might work when using it outside the operation range.
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1-1. Specifications
1. Specifications
OUTDOOR UNIT
AOU18RLXFZ
OUTDOOR UNIT
AOU18RLXFZ