Vertiv | SmartAisle2 | User Manual 83
Installation
Figure 2-92 Bottom line connection
• When the pipes are laid down, before welding the exhaust pipe and the liquid pipe of the small compressor
oil overflow) the copper welding sealing o to protect (not directly) to prevent an oil fire when exposed to
heat in the copper tube.
• Do not open the time line for more than 15 minutes; else it will aect the operation of the compressor lubri-
cant life stability of critical components and systems due to moisture absorption.
• Consider the roof installation trunking, and for the recommendations of the laid down tube and the tube
method, refer to the CRV+ Series of PACs user manual.
Refrigerant charging
• Do not use Inferior refrigerants or low quality refrigerant as it may severely damage the system. In case of
any use of a low quality or inferior refrigerant, the warranty will be void.
Liebert CRV+ air conditioning at the factory is charged with 105nitrogent 2 bar packing. For recommended
amount of refrigerant charge and filling process, refer to the Liebert CRV+ series of PACs user manual.
Additional refrigerant oil
• If poor quality refrigerant oil or the incorrect type of oil is used, it will result in damaging the refrigeration
system. Warranty will be void as the customer will be solely responsible for using degraded oil.
Adding the refrigerant will cause dilution of the refrigerant oil of the system. For lubricating and for cooling
eects of refrigerant oil, add refrigerant oil. For a detailed procedure, refer to the user manual on the CRV+ series
of PACs.