LG ARUN038GS2 Installation Manual - Page 32

Outdoor Unit

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Prohibited pattern HR1 1 2 3 4 48k 48k 48k 48k • Capacity sum of indoor units is over 160kBtu/hr. Pattern Pattern A HR1 HR2 1 2 3 4 36k 36k 36k 36k A HR1 HR2 1234 12k 24k 24k 12k 5678 48k 48k 48k 12k 1 Indoor unit A Y Branch pipe Outdoor Unit Low pressure Gas pipe High pressure Gas pipe Liquid pipe HR Unit Gas pipe Liquid pipe Indoor 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. ) 1) under 40m 2) Same horizontal level It's not allowed Height Y branch Indoor Unit Indoor Unit Indoor Unit 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 Indoor Indoor Indoor Indoor Unit Unit Unit Unit Keep the sum of indoor capacity is under 160kBtu/hr 32 Outdoor Unit

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