4.Connecting pipe installation
10
第一分歧管
Allowable value
Total piping length
Farthest piping
length L
Actual length
Equivalent
length
≤
120m
≤
60m
≤
70m
Piping part
L1+L2+L3+L4+L5+a+b+c+d+e+f
L1+L2+L3+L4+L5 +f (Connecting mode 1)
or L1+ L3 +L5 +f (Connecting mode 2)
Piping length
26.0kW
28.0kW
33.5kW
Equivalent length to the farthest
piping of the first branch
≤
20m
L2+L3+L4+L5 +f (Connecting mode 1)
or L3 +L5 +f (Connecting mode 2)
Equivalent length to the nearest branch
Height difference between
Outdoor upper
indoor and outdoor units
Height difference
Outdoor lower
Height difference between indoor units
≤
15m
≤
30m
≤
20m
≤
8m
a, b, c, d, e, f
─
─
─
Connecting mode 2
Equivalent length to the nearest branch
Equivalent length to the farthest
piping of the indoor unit
1st branch
Indoor unit
From the first branch farthest
piping equivalent length
H
ei
ght
d
iff
er
enc
e
bet
w
een
indoor
and
out
door
u
ni
ts
H
ei
ght
di
ffe
ren
ce
bet
w
ee
n
in
doo
r uni
ts
V.1
Содержание EDHP2209L
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