
34
Nominal Cooling
BTU/h
Nominal Heating
BTU/h
Voltage/Frequency/Phase
Static Pressure
In. W. C.
Air Circ.
C.F.M. (m
3
/h) Clg/Htg
: Hi
Medium
Low
Quiet
Noise Level
dB(A)
(Clg/Htg)
: Hi
Medium
Low
Quiet
Running Current
Rated
(A)
: Cooling
Heating
Power Use
Rated
(W)
: Cooling
Heating
Fan Speeds
Stage
Air Filter
Connection Method
Conn. Pipe Diameter
Inch
Net Weight
lbs.
(kg)
Dimensions: Height
Inch (mm)
Width
Inch (mm)
Depth
Inch (mm)
Supply Duct Flange
Dimensions: Height
Inch (mm)
Width
Inch (mm)
Depth
Inch (mm)
Return Duct Flange
Dimensions: Height
Inch (mm)
Width
Inch (mm)
Depth
Inch (mm)
Refrigerant
ARU9RLF
Heat Pump
ARU12RLF
Heat Pump
ARU18RLF
Heat Pump
ARU24RLF
Heat Pump
9,000
12,000
18,000
24,000
10,200
13,500
20,000
27,000
208-230/60/1
208-230/60/1
208-230/60/1
208-230/60/1
0 ~ 0.36
0 ~ 0.36
0 ~ 0.36
0 ~ 0.20
353 (600)
383 (650)
554 (940)
783 (1,330)
324 (550)
353 (600)
518 (880)
730 (1,240)
294 (500)
324 (550)
483 (820)
648 (1,100)
265 (450)
283 (480)
442 (750)
607 (1,030)
28/28
29/29
32/33
33/35
27/26
28/28
31/32
32/34
26/25
27/27
30/31
30/32
25/24
26/24
29/29
29/29
0.30
0.35
0.44
0.66
0.30
0.35
0.44
0.66
49
58
73
111
49
58
73
111
4 + Auto
4 + Auto
4 + Auto
4 + Auto
Washable
Washable
Washable
Washable
Flare
Flare
Flare
Flare
suc 3/8 dis 1/4
suc 3/8 dis 1/4
suc 1/2 dis 1/4
suc 5/8 dis 1/4
41 (19)
41 (19)
50 (23)
59 (27)
7-25/32 (198)
7-25/32 (198)
7-25/32 (198)
7-25/32 (198)
27-9/16 (700)
27-9/16 (700)
35-7/16 (900)
43-5/16 (1,100)
24-13/32 (620)
24-13/32 (620)
24-13/32 (620)
24-13/32 (620)
5-15/16 (151)
5-15/16 (151)
5-15/16 (151)
5-15/16 (151)
25-19/32 (650)
25-19/32 (650)
33-15/32 (850)
41-11/32 (1,050)
3/4 (19)
3/4 (19)
3/4 (19)
3/4 (19)
6-27/32 (174)
6-27/32 (174)
6-27/32 (174)
6-27/32 (174)
22-19/32 (574)
22-19/32 (574)
30-15/32 (774)
38-11/32 (974)
3/4 (19) (Flat)
3/4 (19) (Flat)
3/4 (19) (Flat)
3/4 (19) (Flat)
R410A
R410A
R410A
R410A
Return Air-intake Choices
Standard Features
Wired Remote Control
Dry Mode
Weekly Timer
Auto Mode
Quiet Mode
Auto Restart/Reset
Condensate Pump
Fresh Air Intake
Filters are sized to keep
velocities and static
pressure loss low. This
will insure sufficient
static pressure is
available for ductwork,
fittings and supply
and return grilles. Alter-
native filter sizes with
equivalent face areas
can be used.
ARU
9RLF
ARU
12RLF
ARU
18RLF
ARU
24RLF
353
353
547
806
12 x 20
12 x 20
14 x 25
18 x 30
212
212
225
215
0.36
0.36
0.36
0.20
1" Fiberglass Filter
0.04
0.04
0.04
0.04
0.32
0.32
0.32
0.16
1" MERV 8 Pleated Filter
0.12
0.12
0.14
0.13
0.24
0.24
0.22
0.07
2" MERV 8 Pleated Filter
0.07
0.07
0.08
0.07
0.29
0.29
0.28
0.13
Field Supplied Filters
Bottom
ARU9, 12RLF
ARU18RLF
ARU24RLF
CFM
Typical Filter Size
Velocity, FPM
Unit External SP, in. W.C.
SP Loss, in. W.C.
Available Static Pressure
SP Loss, in. W.C.
Available Static Pressure
SP Loss, in. W.C.
Available Static Pressure
MULTI ZONE MINI-SPLITS
Compact Duct 9, 12, 18 and 24,000 BTUs
ARU9RLF, ARU12RLF, ARU18RLF, ARU24RLF
Compact Duct
Built-in drain pump allows for
installation of compact duct unit
in smaller spaces than tradi-
tional units.
Drain
Pump
13”
9.4”
Traditional
Compact Duct
Flexible Installation
Horizontal or vertical*.
*Internal drain pump will not
operate when the unit is mounted
in a vertical configuration.
Back
m
ulti
18, 24, 36,000 BTUs
f
lex
48,000 BTUs