Samsung AM MXVAFC Series Installation Manual page 54

Refrigerant pipe installation
Allowable length of the refrigerant pipe and the installation examples
C/O
Classification
Installing only with
Y-joint
Installing with
Y-joint and
distribution header
Installing only with
distribution header
Classification
Outdoor unit ~
Indoor unit
Maximum
allowable
length of pipe
Outdoor unit
~ Outdoor
unit (Module
installation)
Maximum Outdoor unit ~
allowable Indoor unit
height
Indoor unit ~
difference of
Indoor unit
pipe
54
Single Installation
Outdoor unit
Branch joint
Indoor unit
Outdoor unit
Branch joint
Indoor unit
Outdoor unit
Distribution header
Indoor unit
200m (656')
Actual length
and below
(Equivalent
[220m (722')
length)
and below]
Total length 1000m (3281')
of pipe (m) or less
10m (33') or
Pipe length
Equivalent 13m (43') or
length
110/110m (361'/361')
50m(164') or less
Distribution header
Outdoor unit
Installing only with
Y-joint
Installing with
Y-joint and
distribution header
Installing only with
distribution header
Installing only with
Y-joint
Installing with
Y-joint and
distribution header
Installing only with
distribution header
r ≤ 10m (33'), s ≤ 10m (33'), t ≤ 10m (33')
less
r ≤ 13m (43'), s ≤ 13m (43'), t ≤ 13m (43')
less
Note 2)
Module installation
Outdoor unit
Branch joint
Indoor unit
Outdoor unit
Distribution header
Indoor unit
Distribution header
Indoor unit
Example
a+b+c+d+e+f+g+p ≤
200m(220m)/656'(722')
a+b+h ≤
200m(220m)/656'(722'),
a+i+k ≤
200m(220m)/656'(722')
a+i ≤
200m(220m)/656'(722')
a+b+c+d+e+f+g+h+i+j+k+l+m+n+p
≤ 1000m
a+b+c+d+e+f+g+h+i+j+k
≤ 1000m (3281')
a+b+c+d+e+f+g+h+i ≤
1000m (3281')
H1 ≤ 110/110m(361'/361')
H2 ≤ 50m(164')
Branch joint
Remarks
Equivalent
length Y-joint:
0 . 5 m (1 . 6 4'),
Distribution
header: 1m
(3 . 2 8')