Pipe size table "B"
z
(Between separation tube to separation tube (header))
Total cooling capacity
of indoor unit (kW)
Outside diameter mm (in)
Liquid pipe Gas pipe
2.2 to 11.1 9.52 (3/8") 15.88 (5/8")
11.2 to 20.1 9.52 (3/8") 19.05 (3/4")
If the selected pipe diameter between separation tubes (based on table "B") becomes larger
than the pipe diameter between outdoor unit and the rst separation tube (based on table "A"),
please select the pipe whose diameter is equal to the one between outdoor unit and the rst
separation tube.
(If pipe diameter B > A, select pipe size from table A)
"Total cooling capacity of indoor unit" is the total value for the cooling capacity of indoor unit
connected downstream.
Pipe size table "C"
z
(Between separation tube (header) to indoor unit)
Model code
Cooling capacity of
indoor unit (kW)
Outside diameter mm (in)
Liquid pipe Gas pipe
04, 07, 09, 12,
14
1.1, 2.2, 2.8, 3.6, 4.5 6.35 (1/4") 12.70 (1/2")
18, 24, 30, 34 5.6, 7.1, 9.0, 10.0 9.52 (3/8") 15.88 (5/8")
36, 45, 54 *2 11.2, 12.5, 14.0 9.52 (3/8") 19.05 (3/4")
*2: If the selected pipe diameter between separation tube (header) to indoor unit (based on
table "C") becomes larger than the pipe diameter between separation tube to separation
tube (header) (based on table "B"), please select the pipe whose diameter is equal to the one
between separation tube to separation tube (header).
(If pipe diameter C > B, select pipe size from table B)
It is necessary to change a connection pipe diameter using Reducer.
- (06 - 18) -
SYSTEM
DESIGN
SYSTEM
DESIGN
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