1. Specifications
Type
Wall mounted
Inverter heat pump
Model name
ASUH18LMAS
ASUH24LMAS
Power supply
208/230 V ~ 60 Hz
Power supply intake
Outdoor unit
Available voltage range
187—253 V
Capacity
Cooling
Rated
kW
5.28
6.45
Btu/h
18,000
22,000
Min.—Max.
kW
2.05—5.86
2.67—8.00
Btu/h
7,000—20,000
9,100—27,300
Heating
Rated
kW
6.33
7.39
Btu/h
21,600
25,200
Min.—Max.
kW
2.34—8.50
2.40—10.84
Btu/h
8,000—29,000
8,200—37,000
Heating
(17°F)
*1
Rated
kW
3.99
4.60
Btu/h
13,600
15,700
Max.
kW
6.95
8.41
Btu/h
23,700
28,700
Input power
Cooling
Rated
kW
1.38
1.76
Min.—Max.
0.45—1.86
0.43—2.63
Heating
Rated
1.58
1.87
Min.—Max.
0.55—2.82
0.52—3.53
Heating
(17°F)
*1
Rated
1.28
1.51
Max.
0.41—3.06
0.39—3.60
Current
Cooling
Rated
A
6.2
7.8
Heating
7.0
8.3
EER
Cooling
kW/kW
3.80
3.66
Btu/hW
13.0
12.5
COP
Heating
kW/kW
4.00
3.95
Btu/hW
13.6
13.5
SEER
Cooling
Btu/hW
21.1
22.5
HSPF
Heating
Btu/hW
12.5
12.0
Power factor
Cooling
%
96.8
98.1
Heating
98.1
98.0
Moisture removal
pints/h (L/h)
4.0 (1.9)
6.3 (3.0)
Maximum operating current*
2
Cooling
A
13.4
15.4
Heating
13.9
15.9
Fan
Airflow rate
Cooling
HIGH
CFM (m
3
/h)
577 (980)
647 (1,100)
MED
489 (830)
530 (900)
LOW
377 (640)
436 (740)
QUIET
300 (510)
371 (630)
Heating
HIGH
589 (1,000)
730 (1,240)
MED
500 (850)
530 (900)
LOW
377 (640)
436 (740)
QUIET
300 (510)
371 (630)
Type × Q'ty
Crossflow fan × 1
Motor output
W
59
78
Sound pressure level*
3
Cooling
HIGH
dB (A)
46
46
MED
41
42
LOW
35
37
QUIET
30
33
Heating
HIGH
46
48
MED
41
38
LOW
35
34
QUIET
30
30
Heat exchanger type
Dimensions (H × W × D)
in (mm)
Main 1: 8-1/4 × 31-5/16 × 1-1/16
(210 × 796 × 26.6)
Main 2: 4-15/16 × 31-5/16 × 1-1/16
(126 × 796 × 26.6)
Sub 1: 3-5/16 × 31-5/16 × 1/2
(84 × 796 × 13.3)
18-3/16 × 35-6/16 × 1-1/16
(462 × 898 × 26.6)
Fin pitch
FPI (mm)
Main 1: 21 (1.2)
Main 2: 21 (1.2)
Sub 1: 18 (1.4)
21 (1.2)
Rows × Stages
Main 1: 2 × 10
Main 2: 2 × 6
Sub 1: 1 × 4
2 × 22
Pipe type
Copper
Fin type
Aluminum
Enclosure
Material
Polystyrene
Color
White
Approximate color of Munsell N 9.25/
Dimensions
(H × W × D)
Net
in (mm)
11 × 38-9/16 × 9-7/16
(280 × 980 × 240)
13-6/16 × 45-4/16 × 11
(340 × 1,150 × 280)
Gross
12-11/16 × 42-7/16 × 13-5/8
(322 × 1,078 × 346)
15-15/16 × 50 × 17-11/16
(405 × 1,270 × 450)
Weight
Net
lb (kg)
29 (13.0)
36 (16.5)
Gross
36 (16.5)
49 (22.0)
Connection pipe
Size
Liquid
in (mm)
Ø3/8 (Ø9.52)
Gas
Ø5/8 (Ø15.88)
Method
Flare
Drain hose
Material
PP+HDPE
Tip diameter
in (mm)
Ø17/32 (Ø13.8) (I.D.),
Ø19/32 to 21/32 (Ø15.0 to 16.8) (O.D.)
Operation range
Cooling
°F (°C)
64 to 90 (18 to 32)
%RH
80 or less
Heating
°F (°C)
86 (30) or less
Remote controller type
Wireless (Wired, Mobile app*
4
[FGLair
™
] [option])
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1. Specifications
W
A
LL
MO
U
N
TED
A
SU
H
18
-2
4L
MA
S
W
A
LL
MO
U
N
TED
A
SU
H
18
-2
4L
MA
S