LG multi V ARUB160BT3 Instruction Manual page 37

Ú Y branch, Header and HR unit connection pattern
Pattern 1
HR1
1 2
48k 48k
• Impossible installation : Head branch pipe
Pattern 3
• The maximum total capacity of indoor
units is 58kW(192 kBtu/h).
Pattern 5
A
1
48k
B
HR2
3 4
48k 48k
HR unit
HR1
1 2 3 4
48k 48k 48k 48k
HR1 HR2
2 3 4
48k 48k 48k
Refrigerant piping system
Pattern 2
HR1
B
1
2 3 4
7k 7k 7k 7k
• Impossible installation : HR unit
pipe Y and Head branch pipe.
Pattern 4
1
12k
• The maximum total capacity of a branch
pipe of HR unit is 14.5kW(48 kBtu/h).
Pattern 6
HR1
A
B
1 2
24k 24k
A
5 6 7
7k 24k 24k
Head branch
HR1
B
2 3 4
12k 12k 12k
A
A
3 4 5
24k
12k 12k
Installation Manual 37