19 | Electrical installation
Installer and user reference guide
121
REYQ8~20+REMQ5U7Y1B
VRV IV+ heat recovery
4P561154-1A – 2020.10
1 Measure the insulation resistance over the poles.
If Then
≥1MΩ Insulation resistance is OK. This procedure is
finished.
<1MΩ Insulation resistance is not OK. Go to the next step.
2 Turn ON the power and leave it on for 6hours.
Result: The compressor will heat up and evaporate any refrigerant in the
compressor.
3 Measure the insulation resistance again.