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When installing 8 indoor units using branch pipe and MCU(Outdoor unit Type C)
Outdoor unit
Section
Total length of pipe (m)
Maximum
allowable
The distance between
length of
the outdoor unit and
pipe
the furthest indoor unit
Difference of height between the
outdoor and indoor unit (m)=H1
Maximum
Difference of height between the
allowable
indoor units (m)=H2
height
Difference of height between the MCU
(m)=H3
Maximum allowable length after the
first branch pipe
N N
o o
t t
e e
3 pipes are connected between the outdoor unit and MCU and
N N
o o
t t
e e
2 pipes are connected between indoor unit and MCU.
You can install up to 4 MCU of the Type C outdoor unit.
MCU
#1
MCU
#2
Outdoor unit
Actual length
(m)
First refnet joint ~ Indoor unit : less than 30m
For example) b + g ≤ 30m, c + k ≤ 30m
Allowable length between MCU and indoor unit :
Type C
200
100
For example) a + c + k ≤ 100m
50(40)
15
15
less than 20m
For example) h, i, j, k < 20m
23
E-
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