Design Technical Manual

Table Of Contents
1-1-1. EXAMPLE OF REFRIGERANT SYSTEM
RB UNIT (SINGLE TYPE)
z
Example 1 (OK)
Capacity ratio
58%
Outdoor unit
Indoor unit 1
RB unit 1 RB unit 2
Indoor unit 2
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 < 42000 < 108000 → OK
Indoor unit 1 AUUA24 24000
42000
Indoor unit 2 AUUA18 18000
RB unit 1 RU01AH -
24000
7500
27000

7500 < 24000 < 27000 → OK
RB unit 2 RU01AH -
18000
7500
27000

7500 < 18000 < 27000 → OK
z
Example 2 (OK)
Capacity ratio
139%
Outdoor unit
Indoor unit 1
RB unit 1 RB unit 2
Indoor unit 2 Indoor unit 3 Indoor unit 4 Indoor unit 5 Indoor unit 6 Indoor unit 7 Indoor unit 8 Indoor unit 9
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

11.2 < 31.1 < 33.6 → OK
Indoor unit 1 AUUA7 7500
100500
Indoor unit 2 AUUA9 9000
Indoor unit 3 AUUA12 12000
Indoor unit 4 AUUA12 12000
Indoor unit 5 AUUA12 12000
Indoor unit 6 AUUA12 12000
Indoor unit 7 AUUA12 12000
Indoor unit 8 AUUA12 12000
Indoor unit 9 AUUA12 12000
RB unit 1 RU01AH -
16500
7500
27000

7500 < 16500 < 27000 → OK
RB unit 2 RU01CH -
84000
7500
96000

7500 < 84000 < 96000 → OK
- (06 - 03) -
SYSTEM
DESIGN
SYSTEM
DESIGN