LG Multi V Plus II System Installation Manual page 35

Outdoor unit with r410a air conditioner
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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
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
Slave2
Slave1
Master
10m or
less
Branch pipe can not be used after header
Slave2
Slave1
Master
10m or
less
Branch pipe can not be used after header
Refrigerant piping installation
L 150m
40m
L 150m
40m
Installation Manual 35

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