Samsung DVM S AM100MXVDGH/ET Technical Data Book page 71

10. Installation
Refrigerant pipe installation
H/R
Classification
Installing with
MCU only
Installing with
MCU and Y-joint
Outdoor unit ~
Indoor unit
Maximum
allowable
pipe length
Outdoor unit ~
Indoor unit
MCU ~ Indoor
unit
MCU
l
H1
Classification
Actual pipe
length 200 m or less (220
(Equivalent m or less)
length)
Total length
1000 m or less
of pipe
Pipe length 10 m or less
Equivalent
13 m or less
length
Pipe length 45 m or less
Installation with Y-joint
g
MCU
H2
Direct-connected indoor unit without MCU (Cooling only)
r
m
MCU
n o
H4
h
MCU MCU
Installing only
with MCU
Installing
with MCU and
Y-joint
Installing only
with MCU
Installing
with MCU and
Y-joint
x ≤ 10 m, y ≤ 10 m, z ≤ 10 m
x ≤ 13 m, y ≤ 13 m, z ≤ 13 m
Installing only
with MCU
Installing
with MCU and
Y-joint
H3
(Connecting Only Low Pressure Gas Pipe / Liquid Pipe
note 3)
p q
H3
Example
a+g+j ≤ 200 m (220 m)
a+b+h+k ≤ 200 m (220 m)
a+b+c+d+e+f+g+h+i+j ≤ 1000 m
a+b+c+...+r ≤ 1000 m
b+c ≤ 45 m, b+d ≤ 45 m,
b+e ≤ 45 m, f≤ 45 m, g+h
≤ 45 m, g+i ≤ 45 m, g+j ≤
45 m
c+d, c+e, c+f, g, h+i, h+j,
h+k, n, o, p, q, r ≤ 45 m
H1
H2
Remarks
Equivalent
length
Y-joint: 0.5 m
Distribution
header: 1 m
MCU: 1 m
71