LG ARWB80LA2 Installation Manual page 35

Prohibited pattern
HR1
1 2
48k 48k
• Capacity sum of indoor units is over 160kBtu/hr.
Pattern
1
Indoor unit
A
Low pressure Gas pipe
Outdoor
High pressure Gas pipe
Unit
Liquid pipe
1) Keep the 40m distance from the first branch to the farthest indoor.
2) Keep the horizontal level between HR units.( for example, the same flour. )
Y branch
Keep the sum of indoor capacity is under 160kBtu/hr
3 4
48k 48k
A
HR1
1 2
12k 24k
Y Branch pipe
Gas pipe
HR
Unit
Liquid pipe
1) under 40m
2) Same horizontal level
Indoor Indoor
Unit Unit
Keep the sum of indoor capacity is under 160kBtu/hr
1) under 40m
2) Same horizontal level
Indoor Indoor Indoor Indoor
Unit Unit Unit Unit
Pattern
A
36k
HR2
3 4 5 6 7
24k 12k 48k 48k 48k
Indoor
Unit
Indoor Indoor
Unit Unit
Indoor Indoor Indoor Indoor
Unit Unit Unit Unit
HR1 HR2
1 2 3 4
36k 36k 36k
8
12k
It's not allowed
Height
Installation Manual 35