Finishing The Outdoor Unit Installation; To Insulate The Refrigerant Piping - Daikin Sky Air Active Series Installer's Reference Manual

10 Finishing the outdoor unit installation

In this chapter

10.1 To insulate the refrigerant piping

AZAS100~140MUV/Y
Sky Air Active-series
4P743509-1 – 2023.08
10.1 To insulate the refrigerant piping...........................................................................................................................................
10.2 To check the insulation resistance of the compressor ..........................................................................................................
After finishing the charging procedure, the piping must be insulated. Take into
account the following points:
▪ 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
≤30°C
>30°C
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:
d c
a
b
g
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.
2×
10 Finishing the outdoor unit installation
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Humidity
75% to 80% RH
≥80% RH
e
f
2
1
2
59
60
Minimum thickness
15 mm
20 mm
Installer reference guide
59