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21
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Finishing the outdoor unit installation
Installer and user reference guide
112
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
21 Finishing the outdoor unit installation
In this chapter
21.1 To insulate the refrigerant piping
After finishing the charging procedure, the piping must be insulated. Take into
account the following points:
▪
Make sure to insulate the connection piping and refrigerant branch kits entirely.
▪
Be sure to insulate the liquid and gas piping (for all units).
▪
Use heat resistant polyethylene foam which can withstand a temperature of 70°C
for liquid piping and polyethylene foam which can withstand a temperature of
120°C for gas piping.
▪
Reinforce the insulation on the refrigerant piping according to the installation
environment.
Ambient temperature
Humidity
Minimum thickness
≤30°C
75% to 80% RH
15 mm
>30°C
≥80% RH
20 mm
Between outdoor and indoor unit
NOTICE
It is recommended that the refrigerant piping between indoor and outdoor unit is
installed in a ducting or the refrigerant piping is wrapped with finishing tape.
1
Insulate and fix the refrigerant piping and cables as follows:
g
b
a
f
e
c
d
a
Gas pipe
b
Gas pipe insulation
c
Interconnection cable
d
Field wiring (if applicable)
e
Liquid pipe
f
Liquid pipe insulation
g
Finishing tape
2
Install the service cover.
Inside the outdoor unit
To insulate the refrigerant piping, proceed as follows:
Summary of Contents for VRV 5-S Series
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