Vertiv | Liebert® CRV4 | User Manual 91
System Operation and Maintenance
Figure 8-2 Removal of the Fan Assembly
• Turn O the fan/ unit prior to replacement of the lter.
• The speed regulating control board of the outdoor EC fan has a possibility of an electric shock leading to
injury. Therefore, do not touch the board when the unit is powered On.
• While the unit is powered On, do not strictly touch the fan mesh enclosure as it may end up damaging
caused by the fan operation.