Safety Precautions and Measures
The important safety precautions and measures that should be followed during the installation and maintenance 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.
Before working on the equipment, the user reads and considers all precautions, compliance and safety measures. 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
Warning/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 unit. The user must read all the precautions, danger, warnings, and
cautionary measures mentioned in the manual prior to carrying out any operations on the unit. Each unit is equipped with
an electric insulation which allows the users to work in safe conditions. The main switch is positioned on the electrical
panel cover; to access it, open the right door. Before any maintenance operation, switch o the unit with this electrical
insulation device 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 o by opening the main switch.
In the following sections, notice 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 the voltage matches the available utility power for the unit.
The controller doesn’t isolate power from the unit even in the O mode, and some internal components still require and
receive power during the O 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 that can result in object ejection during the fan
start-up and there is a probable risk of being hit by these objects resulting in grievous injury and causing equipment
damage.
The unit contains fluids and gases under high pressure. Therefore, the pressure should be relieved before working with
the piping.
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