Design and Technical Manual

4. INDOOR UNITS
Model name ASU18RLF ASU24RLF
Power source 1ø 208/230V 60Hz
Available voltage range 187-264V
Capacity
Cooling Rated
Btu/h 18,000 24,000
kW 5.28 7.02
Heating Rated
Btu/h 20,000 27,000
kW 5.85 7.92
Input Power W 41 69
Running current A 0.32 0.53
Fan
Airow
rate
Cooling
High
CFM
(m
3
/h)
542 (920) 659 (1120)
Med 436 (740) 530 (900)
Low 365 (620) 436 (740)
Quiet 324 (550) 365 (620)
Heating
High 542 (920) 647 (1100)
Med 436 (740) 530 (900)
Low 365 (620) 436 (740)
Quiet 324 (550) 365 (620)
Fan type × Q'ty Cross ow ×1
Fan motor output W 42 42
Sound pressure level
Cooling
High
dB(A)
43 49
Med 37 42
Low 33 37
Quiet 31 33
Heating
High 44 48
Med 37 42
Low 33 37
Quiet 31 33
Heat
exchanger
Dimension (H × W × D) in.(mm)
Main:15-7/8 x 33-3/4 x 1-1/16 (378 x 832 x 26.6)
Sub:3-5/16 x 33-3/4 x 1/2 (84 x 832 x 13.3)
Fin pitch FPI Main: 21, Sub: 18
Rows × Stages Main:2 x 18, Sub:1 x 4
Pipe type Copper tube
Fin Type Aluminum
Enclosure
Material Polystyrene
Color
WHITE
(Approximate color of MUNSELL N9.25 /)
Dimensions
(H × W × D)
Net
mm
12-5/8 x 39-1/4 x 9 (320×998×228)
Gross 12-9/16 x 42-15/16 x 16-7/8 (319×1090×429)
Weight
Net
lbs.(kg)
31(14) 31(14)
Gross 40(18) 40(18)
Connection
pipe
Size
Liquid
in.(mm)
Ø1/4 (Ø6.35)
Gas Ø1/2 (Ø12.70) Ø5/8 (Ø15.88)
Method Flare
Drain hose
Material PVC
size in.[mm] Ø 1/2(I.D.), Ø 5/8(O.D.) [Ø 12(I.D.), Ø 16(O.D.)]
Operation range
Cooling
°F (°C) 64 to 90 (18 to 32)
%RH 80 or less
Heating °F (°C) 60 to 88 (16 to 31)
Remote controller type Wireless [Wired (option)]
Note: Specications are based on the following conditions.
Power source of specications: 230V
Cooling: Indoor temperature of 80°F(26.7°C)DB/67°F(19.4°C)WB,and outdoor temperature of 95°F(35°C)DB/75°F(23.9°C)WB.
Heating: Indoor temperature of 70°F(21.1°C)DB/60°F(15.6°C)WB,and outdoor temperature of 47°F(8.3°C)DB/43°F(6.1°C)WB.
Pipe length: 16.4ft.(5m) [Outdoor unit - Branch box], 9.8ft. (3m) [Branch box - Indoor unit]
Height difference: 0 ft.(0m) [Outdoor unit - Indoor unit].
The protective function might work when using it out the operation range.
- (04 - 13) -
INDOOR UNITS INDOOR UNITS