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PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
37
ENGLISH
3 Outdoor Units
Example : 6 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : Header branch
Ⓒ : Indoor Units
Ⓓ : Sealing
Ⓔ : Connection branch pipe between Outdoor
units: ARCNN31
Ⓕ : Connection branch pipe between Outdoor
units: ARCNN21
10m
(33ft)
or less
H 110m(361ft)
40m(131ft)
L 200m(656ft)
40m(131ft)
Master
Slave2
Slave1
ODU Capacity
Master ≥ Slave1 ≥ Slave2
Branch pipe can not be used after header
Total pipe length = A+a+b+c+d+e+f ≤ 1000m(3281ft)
L
Longest pipe length *Equivalent pipe length
A+f ≤ 200m(656ft) A+f ≤ 225m(738ft)
l
Longest pipe length after 1st branch
f ≤ 40m(131ft)
H
Difference in height (Outdoor Unit ÷ Indoor Unit)
H ≤ 110m(361ft)
h
Difference in height (Indoor Unit ÷ Indoor Unit)
h ≤ 40m(131ft)
h1
Difference in height (Outdoor Unit ÷ Outdoor Unit)
h1 ≤ 5m(16ft)
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