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18
ENGLISH
Pattern 3
HR1
48k 48k 48k 48k
1 2 3 4
• The maximum total capacity of indoor
units is 56.4kW(192 kBtu/h).
Pattern 4
12k 12k 12k 12k
1 2 3 4
• The maximum total capacity of a branch
pipe of HR unit is 14.1kW(48 kBtu/h).
HR1
B
Pattern 5
HR1
48k 48k
A
1 2
HR2
48k 48k
3 4
HR1
24k 24k 24k
12k 12k
B
Pattern 6
A
A
A
12 345
Pattern 7
Pattern 8
HR1
A
A
A
48k 48k
1 2
• * : Serial connection of HR units : Capacity sum of indoor units ≤ 192 kBtu/h
• * : Maximum indoor units per a branch are 8 indoor units
HR2
48k 48k
3 4
HR3
48k 48k
5 6
*
HR1
48k 48k
1 2
HR2
*
B
12k 12k 12k 12k
3 4 5 6
24k
7
24k
8
• Pipe installation from outside units to HR units
: 3 pipes(Low pressure Gas pipe, High pressure Gas pipe, Liquid pipe)
• Pipe installation from HR units to indoor units
: 2 pipes(Gas pipe, Liquid pipe)
B
A
1
HR1
Outside
Unit
Indoor Unit Y Branch pipe
Low pressure Gas pipe
High pressure Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Head Branch pipe
Indoor
Unit
Keep the 40m distance from the first branch to the farthest indoor.
5m(16ft)
15m(49ft)
1) under 40m(131ft)
Keep the sum of indoor capacity under 56.4kW(192 kBtu/h).
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
1) under 40m(131ft)
Y branch
Keep the sum of indoor capacity under 56.4kW(192 kBtu/h).
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