Design Technical Manual

Table Of Contents
COOLING ONLY TYPE IS MIXED
z
Example 20 (OK)
Capacity ratio
100%
Outdoor unit
Indoor unit 1
RB unit 1 RB unit 2
Indoor unit 2 Indoor unit 3
Model
Cooling
capacity
(Btu/h)
Total
capacity
(Btu/h)
Connectable indoor
unit capacity
Judgement
Min. Max.
Outdoor unit AOUA72T 72000 72000
50%
36000
150%
108000

36000 < 72000 < 108000 → OK
Capacity ratio of Cooling only type is
36000/72000=50% ≤ 50%OK
Indoor unit 1 AUUA18 18000
72000
Indoor unit 2 AUUA18 18000
Indoor unit 3 AUUB36 36000
RB unit 1 RU01AH -
18000
7500
27000

7500 < 18000 < 27000 → OK
RB unit 2 RU01AH -
18000
7500
27000

7500 < 18000 < 27000 → OK
z
Example 21 (Prohibited)
Capacity ratio
117%
Outdoor unit
Indoor unit 1
RB unit 1 RB unit 2
Indoor unit 2 Indoor unit 3
Model
Cooling
capacity
(Btu/h)
Total
capacity
(Btu/h)
Connectable indoor
unit capacity
Judgement
Min. Max.
Outdoor unit AOUA72T 72000 72000
50%
36000
150%
108000

36000 < 84000 < 108000 → OK
Capacity ratio of Cooling only type is
48000/84000=57% > 50%→
Prohibited
Indoor unit 1 AUUA18 18000
84000
Indoor unit 2 AUUA18 18000
Indoor unit 3 ARUH48 48000
RB unit 1 RU01AH -
18000
7500
27000

7500 < 18000 < 27000 → OK
RB unit 2 RU01AH -
18000
7500
27000

7500 < 18000 < 27000 → OK
- (06 - 21) -
SYSTEM
DESIGN
SYSTEM
DESIGN