1-2 SYSTEM CONSTRUCTION CONDITIONS
1-2-1 REFRIGERANT PIPING
COOLING ONLY / HEAT PUMP MODEL
a+e 100m (actual pipe length)
Difference in height between outdoor unit and indoor units (H1) maximum 50m.
Difference in height between adjacent indoor units (H2) maximum 15m.
e 40m (actual pipe length)
a+b+c+d+e 200m (total pipe length)
a+b+c+d+e+f 100m (actual pipe length)
Difference in height between outdoor unit and indoor units (H1) maximum 50m.
Difference in height between adjacent indoor units (H2) maximum 15m.
b+c+d+e+f 40m (actual pipe length)
a+b+c+d+e+f+g+h+i+j+k 200m (total pipe length)
a+g+i 100m a+b+f 100m (actual pipe length)
Difference in height between outdoor unit and indoor units (H1) maximum 50m.
Difference in height between adjacent indoor units (H2) maximum 15m.
g+i 40m b+f 40m (actual pipe length)
a+b+c+d+e+f+g+h+i 200m (total pipe length)
a
dcb
H1
H2
e
Outdoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
H1
a
bcde
f
H2
g h i j k
Outdoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
H1
a
Outdoor
unit
b
g
i
h
H2
Indoor
unit
Indoor
unit
edc
f
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
(For the outdoor unit stated below:maximum 40m)
a 70m (actual pipe length)
From outdoor unit to first separation tube a 70m (actual pipe length)
a 70m (actual pipe length)
– 7 –