Samsung AM JXVAF Series Installation Manual page 50

Refrigerant pipe installation
Allowable length of the refrigerant pipe and the installation examples
H/P
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)
50
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]
1000m
Total length
(3281') or
of pipe (m)
less
10m (33') or
Pipe length
less
Equivalent 13m (43') or
length less
Outdoor unit
Outdoor unit
Distribution header
Outdoor unit
Example
Installing only with a+b+c+d+e+f+g+p ≤
Y-joint 200m(220m)/656'(722')
Installing with
200m(220m)/656'(722'),
Y-joint and
distribution header
200m(220m)/656'(722')
Installing only with
distribution header 200m(220m)/656'(722')
Installing only with a+b+c+d+e+f+g+h+i+j+k+l+m+n+p
Y-joint
Installing with
a+b+c+d+e+f+g+h+i+j+k
Y-joint and
distribution header
Installing only with a+b+c+d+e+f+g+h+i ≤
distribution header
r ≤ 10m (33'), s ≤ 10m (33'), t ≤ 10m (33')
r ≤ 13m (43'), s ≤ 13m (43'), t ≤ 13m (43')
Module installation
Branch joint
Indoor unit
Distribution header
Indoor unit
Distribution header
Indoor unit
a+b+h ≤ Equivalent length
Y-joint: 0.5m (1.64'),
a+i+k ≤ Distribution header:
a+i ≤
≤ 1000m
≤ 1000m (3281')
1000m (3281')
Branch joint
Remarks
1m (3.28')