
ALLOWABLE COMBINATIONS
= Allowed “Connectable Capacity”
combinations over 100%
AOU18RLXFZ
AOU18RLXFZH
Connect 2
indoor units
AOU18RLXFZ / AOU18RLXFZH
ZONE 1 ZONE 2 TOTAL
7 7 14
7 9 16
7 12 19
9 9 18
9 12 21
CHOOSE AN OUTDOOR UNIT:
Select either an 18, 24, 36 or 45,000
BTUh outdoor unit combined with
wall mounted, slim duct, compact
cassette or floor mount type indoor
units. Mix-and-match flexibility of
evaporator type and capacity allows
you to choose the indoor unit that
best fits the application, whether it
be hidden or showcased.
AOU24RLXFZ / AOU24RLXFZH
ZONE 1 ZONE 2 ZONE 3 TOTAL
7 7
7 9
7 12
7 15
7 18
9 9
9 12
9 15
9 18
12 12
12 15
7 7 7 21
7 7 9 23
7 7 12 26
7 9 9 25
9 9 9 27
AOU24RLXFZ
AOU24RLXFZH
Connect 2-3
indoor units
+
+
+
+
CHOOSE INDOOR UNITS:
ASU7RLF1
ASU9RLF1
ASU12RLF1
ASU15RLF1
ASU18RLF
ASU24RLF
AUU7RLF
AUU9RLF
AUU12RLF
AUU18RLF
“+” represents available circuit for future expansion when connecting this combination.
* The optional kit “K9FZ1818 (UTP-MU36A2)” is necessary for dual zone system “18+18” with AOU36RLXFZ1 only.
^ Wall mounted type ASU18RLF cannot be connected in this combination using AOU36RLXFZ1. Combination allowed
with AOU36RLXFZH.
◊
Actual rated cooling capacity of ASU15RLF1 is 14,000 BTU/h.
◊
ARU7RLF
ARU9RLF
ARU12RLF
ARU18RLF
ARU24RLF
AGU9RLF
AGU12RLF
AGU15RLF
AOU36RLXFZ1
AOU36RLXFZH
Connect 2-4
indoor units
AOU36RLXFZH
ZONE 1 ZONE 2 TOTAL
14
16
19
22
25
18
21
24
27
24
27
7 24 31
9 24 33
12 24 36
15 24 39
AOU36RLXFZ1 / AOU36RLXFZH
ZONE 1 ZONE 2
18* 18*
7 7 15
7 7 18
7 7 24
7 9 12
7 9 15
7 9 18
7 12 12
7 12 15
7 12 18
9 9 9
9 9 12
9 9 15
9 9 18
9 12 12
9 12 15
9 12 18
12 12 12
12 12 15
7 7 7 7 28
7 7 7 9 30
7 7 7 12 33
7 7 7 15 36
7 7 7 18^ 39
7 7 9 9 32
7 7 9 12 35
7 7 9 15 38
7 7 12 12 38
7 9 9 9 34
7 9 9 12 37
9 9 9 9 36
9 9 9 12 39
ZONE 3 ZONE 4 TOTAL
+
+
+
+
+
+
+
36
29
32
38
28
31
34
31
34
37
27
30
33
36
33
36
39
36
39

= Allowed “Connectable Capacity”
combinations over 100%
AOU45RLXFZ
Connect 2-5
indoor units
AOU45RLXFZ
ZONE 1 ZONE 2 TOTAL
18 18 36
12 24 36
15 24 39
18 24 42
24 24 48
ZONE 1 ZONE 2 ZONE 3 TOTAL
7 7 24 38
7 9 18 34
7 9 24 40
7 12 18 37
7 12 24 43
7 15 15 37
7 15 18 40
7 15 24 46
7 18 18 43
7 18 24 49
9 9 18 36
9 9 24 42
9 12 15 36
9 12 18 39
9 12 24 45
9 15 15 39
9 15 18 42
9 15 24 48
9 18 18 45
9 18 24 51
12 12 12 36
12 12 15 39
12 12 18 42
12 12 24 48
12 15 15 42
12 15 18 45
12 15 24 51
12 18 18 48
12 18 24 54
15 15 15 45
15 15 18 48
15 15 24 54
15 18 18 51
18 18 18 54
AOU45RLXFZ, con’t
ZONE 1 ZONE 2 ZONE 3 ZONE 4 TOTAL
7 7 7 15 36
7 7 7 18 39
7 7 7 24 45
7 7 9 12 35
7 7 9 15 38
7 7 9 18 41
7 7 9 24 47
7 7 12 12 38
7 7 12 15 41
7 7 12 18 44
7 7 12 24 50
7 7 15 15 44
7 7 15 18 47
7 7 15 24 53
7 7 18 18 50
7 9 9 9 34
7 9 9 12 37
7 9 9 15 40
7 9 9 18 43
7 9 9 24 49
7 9 12 12 40
7 9 12 15 43
7 9 12 18 46
7 9 12 24 52
7 9 15 15 46
7 9 15 18 49
7 9 18 18 52
7 12 12 12 43
7 12 12 15 46
7 12 12 18 49
7 12 15 15 49
7 12 15 18 52
7 15 15 15 52
9 9 9 9 36
9 9 9 12 39
9 9 9 15 42
9 9 9 18 45
9 9 9 24 51
9 9 12 12 42
9 9 12 15 45
9 9 12 18 48
9 9 12 24 54
9 9 15 15 48
9 9 15 18 51
9 9 18 18 54
9 12 12 12 45
9 12 12 15 48
9 12 12 18 51
9 12 15 15 51
9 12 15 18 54
12 12 12 12 48
12 12 12 15 51
12 12 12 18 54
12 12 15 15 54
AOU45RLXFZ, con’t
ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 TOTAL
7 7 7 7 7 35
7 7 7 7 9 37
7 7 7 7 12 40
7 7 7 7 15 43
7 7 7 7 18 46
7 7 7 7 24 52
7 7 7 9 9 39
7 7 7 9 12 42
7 7 7 9 15 45
7 7 7 9 18 48
7 7 7 9 24 54
7 7 7 12 12 45
7 7 7 12 15 48
7 7 7 12 18 51
7 7 7 15 15 51
7 7 7 15 18 54
7 7 9 9 9 41
7 7 9 9 12 44
7 7 9 9 15 47
7 7 9 9 18 50
7 7 9 12 12 47
7 7 9 12 15 50
7 7 9 12 18 53
7 7 9 15 15 53
7 7 12 12 12 50
7 7 12 12 15 53
7 9 9 9 9 43
7 9 9 9 12 46
7 9 9 9 15 49
7 9 9 9 18 52
7 9 9 12 12 49
7 9 9 12 15 52
7 9 12 12 12 52
9 9 9 9 9 45
9 9 9 9 12 48
9 9 9 9 15 51
9 9 9 9 18 54
9 9 9 12 12 51
9 9 9 12 15 54
9 9 12 12 12 54