LG ARUN038GS2 Installation Manual page 32

Prohibited pattern
1
48k
• Capacity sum of indoor units is over 160kBtu/hr.
1
Indoor unit
Low pressure Gas pipe
Outdoor
High pressure Gas pipe
Unit
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
32 Outdoor Unit
HR1
2 3 4
48k 48k 48k
Pattern
HR1
1 2
12k 24k
Y Branch pipe
A
HR
Unit
Liquid pipe
Indoor
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
Keep the sum of indoor capacity is under 160kBtu/hr
Pattern
A
3 4 5 6
24k 12k 48k 48k
Gas pipe
Indoor
Unit
Liquid pipe
1) under 40m
2) Same horizontal level
Indoor Indoor
Unit Unit
Indoor Indoor Indoor
Unit Unit
A
HR1
1 2
36k 36k
HR2
7 8
48k 12k
Indoor
Unit
Indoor
Unit Unit
HR2
3 4
36k 36k
It's not allowed
Height