10. Installation
72
Refrigerant pipe installation
Classification
Example
Remarks
Maximum
allowable
height
difference
Outdoor unit ~
Indoor unit
Pipe length
110 m / 110 m
Note 1)
H1 ≤ 110 m / 110 m
Indoor unit ~
Indoor unit
40 m or less
H2 ≤ 40 m
But, when AM∗∗∗∗NQDEH∗ / AM∗∗∗JNV∗ is installed,
H2 is 15 m or less.
Indoor unit ~
Indoor unit
(in one MCU)
15 m or less
H3 ≤ 15 m
MCU ~ MCU
30 m or less
H4 ≤ 30 m
Maximum
allowable
length after
branch joint
First branch
joint ~ Farthest
Indoor unit
Pipe length
45 m or less
Installing only
with MCU
g+j ≤ 45 m
Installing
with MCU and
Y-joint
b+h+k ≤ 45 m
l+m+q ≤ 45 m
l+r ≤ 45 m
45 ~ 90 m
Note 2)
Required conditions must be satisfied
EEV kit
Model name
Remarks
EEV kit ~
Indoor unit
Actual pipe
length
2 m
MEV-E24SA
1 indooor
Apply to products without EEV
(Wall mount & ceiling)
MEV-E32SA
20 m or less
MXD-E24K132A
2 indooor
MXD-E24K200A
MXD-E32K200A
MXD-E24K232A
3 indooor
MXD-E24K300A
MXD-E32K224A
MXD-E32K300A
※
Please refer to the EEV Kit manual.