Design Technical Manual

Table Of Contents
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Example 23 (Prohibited)
Liquid pipe and Suction gas pipe: Connected
Discharge gas pipe: Not connected
Capacity ratio
100%
Outdoor unit
Header
Cooling
only type
Indoor unit 1
RB unit 1
RB unit 2
RB unit 3
Indoor unit 2 Indoor unit 3 Indoor unit 4
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
Prohibited
Because Cooling only type of indoor
unit is connected to the furthest
branch from outdoor unit side.
Indoor unit 1 AUUA18 18000
72000
Indoor unit 2 AUUA18 18000
Indoor unit 3 AUUA18 18000
Indoor unit 4 AUUA18 18000
RB unit 1 RU01AH -
18000
7500
27000

7500 < 18000 < 27000 → OK
RB unit 2 RU01AH -
18000
7500
27000

7500 < 18000 < 27000 → OK
RB unit 3 RU01AH -
18000
7500
27000

7500 < 18000 < 27000 → OK
- (06 - 23) -
SYSTEM
DESIGN
SYSTEM
DESIGN