Fujitsu AOUH18LMAS1, Service Manual

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1. Specifications
1-1. Indoor unit
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
k→ 5.28 6.45
Btu/h 18,000 22,000
Min.—Max.
k→ 2.05—5.86 2.67—8.00
Btu/h 7,000—20,000 9,100—27,300
Heating
Rated
k→ 6.33 7.39
Btu/h 21,600 25,200
Min.—Max.
k→ 2.34—8.50 2.40—10.84
Btu/h 8,000—29,000 8,200—37,000
Heating
(17°F)
*1
Rated
k→ 3.99 4.60
Btu/h 13,600 15,700
Max.
k→ 6.95 8.41
Btu/h 23,700 28,700
Input power
Cooling
Rated
k→
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
k→/k→ 3.80 3.66
Btu/h→ 13.0 12.5
COP Heating
k→/k→ 4.00 3.95
Btu/h→ 13.6 13.5
SEER Cooling Btu/h→ 21.1 22.5
HSPF Heating Btu/h→ 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)
LO→ 377 (640) 436 (740)
QUIET 300 (510) 371 (630)
Heating
HIGH 589 (1,000) 730 (1,240)
MED 500 (850) 530 (900)
LO→ 377 (640) 436 (740)
QUIET 300 (510) 371 (630)
Type × Q'ty Crossflow fan × 1
Motor output → 59 78
Sound pressure level*
3
Cooling
HIGH
dB (A)
46 46
MED 41 42
LO→ 35 37
QUIET 30 33
Heating
HIGH 46 48
MED 41 38
LO→ 35 34
QUIET 30 30
Heat exchanger type
Dimensions (H × → × 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
→hite
Approximate color of Munsell N 9.25/
Dimensions
(H × → × 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)
→eight
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.)
1-1. Indoor unit
- (01-1) -
1. Specifications
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A
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