AirStage AO54FJ, Service Manual

Page: 132 / 169

Example 1
Selection of pipe size (Example 1)
Total capacity of indoor unit (1 refrigerant system)
Example1 : Total capacity = 18.3
Example2 : Total capacity =
(unit : mm)
Gas Pipe
Liquid Pipe
19.05
a b c
9.52
Length [m] (Example) 20
12.70 12.70
6.35 6.35
15.88
6.35 6.35
15 10
d
10
e
15.88
15
1
AR12
AR18 AR22 AR22 AR22
AR12 AR18 AR22
2 3 4
Total capacity
a
d c b e
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
A
1 2
3
4
Outdoor
unit
a+e=35m
Pipe length
100m (actual pipe length)
a+b+c+d+e=70
Difference in height between outdoor unit and indoor unit maximum 30m.
Difference in height between the highest and the lowest indoor unit maximum 5m.
From outdoor unit to the first header tube a=20m 60m (actual pipe length)
From the first header tube to the farthest indoor unit e=15m 40m (actual pipe length)
115m (total pipe length)
Example 2 cannot selected.
Capacity(kW)
3.50 3.50 5.30 6.00 18.3
Example 2
Capacity(kW)
5.30 6.00 6.00 6.00 23.3
23.3
22.8
22.8
(2) Refrigerant system
System configuration
EV kit
07-04