Samsung DVM S VRF - Page 154

10. Installation
154
Refrigerant pipe installation
Classification Example Remarks
Maximum
allowable
length of
pipe
Outdoor unit ~
Indoor unit
Actual
length
(Equivalent
length)
200m and
below
(220m and
below)
Installing only
with Y-joint
a+b+c+d+e+f+g+p ≤
200m(220m)
Equivalent
length Y-joint:
0.5 m, Distribu-
tion header: 1 m
Installing with
Y-joint and
distribution
header
a+b+h ≤ 200m (220m),
a+i+k ≤ 200m (220m)
Installing only
with distribu-
tion header
a+i ≤ 200m (220m)
Total
length of
pipe (m)
1,000 m or
less
Installing only
with Y-joint
a+b+c+d+e+f+g+h+i+
j+k+l+m+n+p ≤ 1000m
-
Installing with
Y-joint and
distribution
header
a+b+c+d+e+f+g+h+i+j+k
≤ 1000m
-
Installing only
with distribu-
tion header
a+b+c+d+e+f+g+h+i
≤ 1000m
-
Outdoor unit
~ Outdoor
unit (Module
installation)
Pipe length
10 m or
less
r ≤ 10 m, s ≤ 10 m, t ≤ 10 m
Equivalent
length
13 m or
less
r ≤ 13m, s ≤ 13m, t ≤ 13m
Maximum
allowable
height dif-
ference of
pipe
Outdoor unit ~
Indoor unit
110/110m
Note 2)
H1 ≤ 110/110m
Indoor unit ~
Indoor unit
50m or less H2 ≤ 50m
But, when AMFNQDEH / AMJNV is installed, H2 is 15 m or less.
Maximum
allowable
length after
branch joint
First branch
joint ~ Far-
thest Indoor
unit
Pipe length
45 m or
less
b+c+d+e+f+g+p ≤ 45m, i ≤ 45m -
45 m~
90m
Note 1)
Required conditions must be satisfied Exclude H/R