HEAT RECOVERY MODEL
a
d
c
b
H1
H2
H3
H4, f
e
Outdoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
RB
unit
RB
unit
RB
unit
RB
unit
H1
a
bcde
f
H2
H3
g h i j k
Outdoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
RB
unit
RB
unit
RB
unit
RB
unit
RB
unit
RB
unit
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.
Difference in height between RB unit and RB unit (H3) 15m or less.
Difference in height between
RB unit and indoor unit (H4) 5m or less
.
e
40m (actual pipe length)
f
10m (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.
Difference in height between RB unit and indoor unit (H3) 5m or less.
b+c+d+e+f 40m (actual pipe length)
10m (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.
Difference in height between RB unit and RB unit (H3) 15m or less.
Difference in height between RB unit and indoor unit (H4) 5m or less.
g+i 40m b+f 40m (actual pipe length)
j 10m (actual pipe length)
a+b+c+d+e+f+g+h+i 200m (total pipe length)
H1
a
Outdoor
unit
b
g
i
h
H2
H3
Indoor
unit
Indoor
unit
edc
f
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
RB
unit
RB
unit
RB unit
4 brunch
H4
j
From outdoor unit to first separation tube a 70m (actual pipe length)
(For the outdoor unit stated below : maximum 40m)
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