Samsung AM TXMDEH Series Installation Manual page 20

Refrigerant pipe installation
Classification
Maximum
allowable Outdoor unit
length of ~ Indoor units
pipe
Maximum
Outdoor unit
allowable
~ Indoor units
height
Maximum allowable length
after Y-joint
EEV Kit
EEV Kit ~
Actual pipe lengh
Indoor units
❋ When the equivalent length between an outdoor unit and the farthest indoor unit exceeds 90 m, upgrade the low
pressure pipe of the main pipe one step.
20
The distance between the outdoor unit and the farthest indoor unit ≤ 150 m
Actual Length
Ex) 8 indoor units
a+b+c+d+e+f+g+p≤ 150 m
Equivalent
The distance between an outdoor unit and the farthest indoor unit ≤ 175 m
length
Main pipe The main pipe(a) from the outdoor unit to the first Y-joint should be less than
length 110 m.
Total length The sum of the total length of pipes should be less then 300 m.
Height H1: The difference of height between an outdoor unit and indoor unit < 50 m
Height H2: The difference of height between indoor units ≤ 15 m
The distance between the first Y-joint
and the farthest indoor unit ≤ 40 m
Actual Length
Ex) 8 indoor units
b+c+d+e+f+g+p≤ 40 m
2 m or less
20 m or less
Y-joint connection
Model name
MEV-E24SA
MEV-E32SA
MXD-E24K132A
MXD-E24K200A
MXD-E32K200A
MXD-E24K232A
MXD-E24K300A
MXD-E32K224A
MXD-E32K300A
Y-joint / EEV kit connection
Ex) 6 indoor units
a+b+c+d+j ≤ 150 m
Allowable length between EEV kit and
an indoor unit ≤ 20 m
Ex) h, l, j ≤ 20 m
Remarks
1 indoor
2 indoor
Apply to products
without EEV (Wall
mounted & ceiling)
3 indoor