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30 Outdoor Unit
Branch pipe can not be used after header
Branch pipe can not be used after header
Example : 5 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Header
Ⓕ : Sealed piping
L 150m(492ft)
40m(131ft)
H 100m(328ft)
h 15m(49ft)
Example : 5 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Connection branch pipe
between Outdoor units:
ARCNN20
Ⓕ : Header
Ⓖ : Sealed piping
10m
(32.8ft)
or less
H 100m(328ft)
L 150m(492ft)
40m(131ft)
Master
Slave
h 15m(49ft)
u Combination of Y branch/header method
Refrigerant piping installation
Branch pipe can not be used after header
3 Outdoor Units
Example : 5 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch(Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Connection branch pipe
between Outdoor units:
ARCNN30
Ⓕ : Connection branch pipe
between Outdoor units:
ARCNN20
Ⓖ : Header
Ⓗ : Sealing
Master
Slave2
Slave1
10m
(32.8ft)
or less
H 100m(328ft)
L 150m(492ft)
40m(131ft)
h 15m(49ft)
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