Vertiv Liebert PCW - Important Safety Instructions; Main Switch

Liebert PCW - UM - 273895 - 04.10.2018
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This document, written in English, is the original version.
Conventions
DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
WARNING indicates a hazardous situation that, if not avoided, could result in death or serious injury.
CAUTION indicates a hazardous situation that, if not avoided, may result in minor or moderate injury.
NOTICE indicates a property damage message.
NOTICE
The manual is retained for the entire service life of the machine;
The user reads the manual carefully before carrying out any operations on the machine;
The unit control must be used exclusively for the purpose which it is intended for; the manufacturer takes no liabil ity
in case of an incorrect use or a modication of the unit control
WARNING
This manual was prepared to enable the end user to carry out only the operation that can be done with the panels
closed.
Only qualied personnel are allowed to carry out operations that require opening of the door or the equipment panels.
The panel key supplied with the unit must be kept by a person responsible for the maintenance.
CAUTION
Before proceeding with installation, read all instructions, verify that all parts are included and check the nameplate to
make sure the voltage matches available utility power.
For identication of the unit (model and serial no.) in case of the necessity for assistance or spare parts, locate the
identication label on the outside of the unit.
WARNING
This unit operates and restarts automatically.
If the electrical connection is live, there are residual risks: electric shock, burns, moving parts, automatic restarting
from the remote control.
• Before any operation that requires opening of the door or the equipment panels (maintenance, cleaning,
etc.), disconnect the unit from the power supply.
The ON/OFF switch on the control panel does not isolate the power from the unit, even in the “unit o󰀨” mode. To cut
o󰀨 the power supply, open the insulation device (main switch) which is positioned on the electrical panel cover, behind
the door:
MAIN SWITCH
Unscrew the door and open it to access the main switch.
• After opening the door pay attention to the cable and components still energized.
• Open the main switch to cut o󰀨 the power before removing any protective cover.