Safety Precautions & Measures
The important safety precautions and measures that should be followed during the installation and
maintenance of the Liebert CRV+ models are described in the following sections.
Read the manual prior to installation and operation of the unit. Only qualified personnel should move,
install, or service this equipment.
The user reads and takes into account all the precautions, compliance, and safety measures before
working on the equipment. The unit control must be used exclusively for the purpose which it is
intended for; the manufacturer takes no liability for incorrect use or a modification to the unit control.
Adhere to all the Warnings and Cautionary measures included in the manual.
Please read this manual carefully before installing, maintaining and troubleshooting; especially
the Warni
ng/ Danger/ Caution information in the User Guide. Apart from the User Guide, also
pay attention to the warning labels on the unit and its components.
This manual is retained for the entire service life of the machine. The user must read all the precautions,
danger, warnings, and cautionary measures mentioned in the manual prior to carrying out any operations
on the machine. Each machine is equipped with an electrical insulation, which allows the users to work in
safe conditions. The main switch is positioned on the electrical panel cover; Open the right door to access
it. Before any maintenance operation, switch off the machine with this electronic insulation device in order
to eliminate risks such as electrical shocks, burns, automatic restarting, moving parts, and remote
control. The panel key, supplied along with the unit, must be kept by the personnel responsible for the
maintenance. The protective covers can be removed after the electric power has been cut off by opening
the main switch.
In the following section, take a look at the various cautionary measures and warnings that need to be read
carefully prior to installing or operating the system.
Disconnect the local and remote power supplies prior to working with the unit.
Prior to the installation process, read all the instructions, verify if all the parts are in place, and check the
nameplate to ensure that the voltage matches the utility power that is available for that unit.
The controller doesn’t isolate power from the unit even in the Off mode. Moreover, some internal
components require and receive power even during the Off mode.
If the unit door is open while the fans are operating, the airflow may result in abrupt slamming of the door
resulting in injury. Another aspect is the presence of small objects in the fans bay which may result in
object ejection during the fan start-up and there is a probable risk of being hit by these objects leading to
grievous injury as well as causing equipment damage.
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