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17
ENGLISH
Y branch, Header and HR unit connection pattern
Pattern 1
Pattern 2
Pattern 3
HR1
HR1
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
1
1
2
234567
HR2
2.1kW
(7kBtu/h)
2.1kW
(7kBtu/h)
2.1kW
(7kBtu/h)
2.1kW
(7kBtu/h)
2.1kW
(7kBtu/h)
7.25kW
(24kBtu/h)
7.25kW
(24kBtu/h)
3 4
B
HR1
1 2 3 4
Pattern 4
1 2 3 4
• The maximum total capacity of indoor
units is 58kW(192 kBtu/h).
• The maximum total capacity of a branch
pipe of HR unit is 14.5kW(48 kBtu/h).
• Impossible installation : Head branch pipe → HR unit
• Impossible installation : HR unit → Head branch
pipe → Y and Head branch pipe.
HR1
B
B
A
14.5kW
(48kBtu/h)
3.63kW
(12kBtu/h)
3.63kW
(12kBtu/h)
3.63kW
(12kBtu/h)
3.63kW
(12kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
Pattern 5
HR1
HR1
A
B
1 2
HR2
3 4
Pattern 6
A
A
A
12 345
14.5kW
(48kBtu/h)
7.25kW
(24kBtu/h)
7.25kW
(24kBtu/h)
3.63kW
(12kBtu/h)
3.63kW
(12kBtu/h)
7.25kW
(24kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
Pattern 7
Pattern 8
HR1
A
A
A
1 2
• * : Serial connection of HR units : Capacity sum of indoor units ≤ 192 kBtu/h
• * : Maximum indoor units
p
er a branch are 8 indoor units
HR2
3 4
HR3
5 6
*
HR1
1 2
HR2
*
B
3 4 5 6 7 8
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
14.5kW
(48kBtu/h)
3.63kW
(12kBtu/h)
3.63kW
(12kBtu/h)
3.63kW
(12kBtu/h)
3.63kW
(12kBtu/h)
7.25kW
(24kBtu/h)
7.25kW
(24kBtu/h)
• Pipe installation from outdoor 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
Outdoor
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
1,MFL69717904,영영 18. 8. 29. 영영 2:49 Page 17
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