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Finishing the outdoor unit installation
10 Finishing the outdoor unit installation
10.1 To check the insulation resistance of the compressor
10.2 To finish the outdoor unit installation
Installer reference guide
130
NOTICE
If, after installation, refrigerant accumulates in the compressor, the insulation
resistance over the poles can drop, but if it is at least 1 MΩ, then the unit will not
break down.
▪
Use a 500 V mega-tester when measuring insulation.
▪
Do NOT use a mega-tester for low voltage circuits.
1 Measure the insulation resistance over the poles.
If
≥1 MΩ
Insulation resistance is OK. This procedure is finished.
<1 MΩ
Insulation resistance is not OK. Go to the next step.
2 Turn ON the power and leave it on for 6 hours.
Result: The compressor will heat up and evaporate any refrigerant in the
compressor.
3 Measure the insulation resistance again.
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.
INFORMATION
For the requirements of the refrigerant piping insulation, see
piping
insulation" [
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.
Then
4
75].
e
f
"8.1.2 Refrigerant
ERLA11~16D + EBVZ16S18+23D
Daikin Altherma 3 R F
4P643604-1B – 2022.05
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