Multi Zone Outdoor Units 18, 24 and 36,000 BTUs
AOU18RLXFZ, AOU24RLXFZ,
AOU36RLXFZ1
Compact Size
The compact size of the outdoor
units allows for many installation
opportunities.
24” minimum
clearance
required
DC Twin Rotary
Compressor
A high performance,
low noise, large
capacity DC twin
rotary compressor
is used.
Nominal Capacities, SEER
and HSPF Ratings
Data below is based on AHRI 210/240
non-ducted wall mounted models.
Model
Typ e Combination 95◦F 47◦F 17◦F 17◦F 5◦F 47◦F
Non-Ducted 9+9 18,000 12.5 18.0 22,000 13,900 16,300 13,900 3.44 9.3
Ducted 9+9 18,000 12.1 16.0 22,000 13,900 16,300 13,900 3.52 9.0
AOU18RLXFZ
AOU24RLXFZ
AOU36RLXFZ1
Yellow rows represent models that are ENERGY STAR®qualified.
Mixed 9+9 18,000 12.3 17.0 22,000 13,900 16,300 13,900 3.48 9.2
Specific
Non-Ducted 9+7+7 22,000 12.5 18.0 24,000 14,100 19,800 16,300 4.04 9.5
Ducted 9+7+7 22,000 10.6 15.5 24,000 14,100 19,800 16,300 3.42 9.0
Mixed 9+7+7 22,000 11. 6 16.8 24,000 14,100 19,800 16,300 3.74 9.3
Non-Ducted 9+9+9+9 35,200 10.0 18.0 24,000 22,000 32,500 25,400 3.56 9.4
Ducted 9+9+9+9 35,200 9.0 16.0 24,000 22,000 32,500 25,400 3.32 8.7
Mixed 9+9+9+9 35,200 9.5 17.0 24,000 22,000 32,500 25,400 3.44 9.1
Indoor Unit
ASU7+ASU12 and
ASU9+ASU12
multi
18, 24, 36,000 BTUs
AOU36RLXFZ1
AOU18, 24RLXFZ
AOU
18RLXFZ
Heat Pump
ASU9+ASU9
Connectable Indoor Unit Number
Connectable Unit Capacity Class BTU/h
Rated Capacity Cooling/Heating BTU/h
Clg. Operating Range °F(°C)
Htg. Operating Range °F(°C)
Input Power: Clg/Htg Rated kW*
Voltage/Frequency/Phase
Current: Total Max.
Minimum Circuit Ampacity (A)
Outdoor Fan Airflow CFM (Clg/Htg)
Sound Pressure Level Cooling
Sound Pressure Level Heating dB(A)
Pre-Charge Length Total Ft (m)
Max. Pipe Height Difference Between
Outdoor Unit & Farthest Indoor Ft (m)
Cooling
Capacity
Btu/h
18,000 12.5 18.0 22,000 13,900 16,300 13,900 3.67 9.0
Max. Pipe Height Difference
Between Indoor Units Ft (m)
EER SEER
MAX.CRT.BKR (A)
Fan: Type x Quantity
Max. Length Total Ft (m)
Max. Length Each Ft (m)
Min. Length Total Ft (m)
Min. Length Each Ft (m)
Connection Method
Conn. Pipe Diameter
Net Weight lbs. (kg)
Dimensions: Height Inch
1
See table for allowed combinations within this connectable capacity range.
(A)
dB(A)
Inch
mm
Width Inch
mm
Depth Inch
mm
Refrigerant
Heating Rated
Capacity
Btu/h
2 2 to 3 3 to 4
14 to 21,000114 to 27,000127 to 39,000
18,000/22,000 22,000/24,000 35,200/36,400
14 to 115
(-10 to 46)
5 to 75
(-15 to 24)
1.44/1.87 1.76/1.73 3.52/3.00
208-230/60/1 208-230/60/1 208-230/60/1
10.0 13.7 20.3
12.1 16.7 24.6
15 20 30
1,795/1,619 1,942/1,942 2,119/2,237
Propeller x 1 Propeller x 1 Propeller x 1
49 51 53
49 52 55
98 (30) 98 (30) 164 (50)
164 (50) 164 (50) 230 (70)
82 (25) 82 (25) 82 (25)
49 (15) 49 (15) 66 (20)
16 (5) 16 (5) 16 (5)
49 (15) 49 (15) 49 (15)
33 (10) 33 (10) 33 (10)
Flare Flare Flare
Liq. 1/4 x 2
Suc. 3/8 x 2
119 (54) 124 (56) 149 (68)
27-9/16 27-9/16 32-11/16
700 700 830
35-7/16 35-7/16 35-7/16
900 900 900
13 13 13
330 330 330
R410A R410A R410A
Heating Maximum
AOU
24RLXFZ
Heat Pump
ASU9+ASU7+ASU7
14 to 115
(-10 to 46)
5 to 75
(-15 to 24)
Liq. 1/4 x 3
Suc. 1/2 x 1,
3/8 x 2
Capacity
Btu/h
AOU
36RLXFZ1
Heat Pump
ASU9 x 4
14 to 115
(-10 to 46)
5 to 75
(-15 to 24)
Liq. 1/4 x 4
Suc. 1/2 x 1,
3/8 x 3
COP
1
HSPF
341