ENGLISH-49
0
2
INST
ALLING
THE
PRODUC
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Note 1) Required condition
Classification
Condition
Example
First branch joint ~
Farthest Indoor unit
45 m (148’) ≤ b+c+d+e+f+g+p ≤ 90 m (295’): Size
of the branch pipe (b, c, d, e, f, g) must be increased
by 1 grade
Total length of
extended pipe
If the size of the main pipe (pipe that connects
between the outdoor unit ~ first branch joint) was
not increased by 1 grade: a+(b+c+d+e+f+g)×2
+h+i+j+k+l+m+n+p ≤ 300 m (984’)
If the size of the main pipe (pipe that connects
between the outdoor unit ~ first branch joint)
was increased by 1 grade: (a+b+c+d+e+f+g)×2
+h+i+j+k+l+m+n+p ≤ 300 m (984’)
Each Y-joint ~ Each
indoor unit
h, i, j, … p ≤ 45 m (148’)
Difference between the distance of the outdoor unit to the farthest indoor
unit and nearest indoor unit ≤ 45 m (148’)
(a+b+c+d+e+f+g+p)-(a+h) ≤ 45 m (148’)
Note 2) When indoor unit is located at higher level than outdoor unit, allowable height difference is 40 m
(131’)
, but when the
indoor unit is located at lower level than outdoor unit, allowable height difference is 50 m
(164’).
HR (AM072/096/120/144HXWA
✴
)
Classification
Installation examples
Installing with MCU
only
Installing with MCU
and Y-joint
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