User's Manual

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
multi
18, 24, 36,000 BTUs
flex
48,000 BTUs