Mechanical Installation
Vertiv
| Liebert
®
EXM
™
Parallel Cabinet User Manual |
9
1.6.1
Power Cable Connection Procedure
The system input, UPS bypass, UPS output and system output cables (all require lug type
terminations) are connected to power blocks behind the power isolator switches as shown in
. These are accessible when the side or top panel is removed.
Equipment Ground
The equipment ground busbar is near the input and output power supply connections as shown
in
. The grounding conductor must be connected to the ground
busbar.
All cabinets and cable trunking should be grounded in accordance with local regulations.
Once the equipment has been finally positioned and secured, connect the power cables as
described in the following procedure.
Refer to the appropriate cable connection drawing in
1.
Verify that the equipment is isolated from its external power source and all the power isolators are open.
Check that these supplies are electrically isolated and post any necessary warning signs to prevent their
inadvertent operation.
2.
Remove the panels.
!
WARNING
Risk of electric shock. Can cause equipment damage, injury and death.
Failure to follow adequate grounding procedures can result in electric shock hazard to
personnel and the risk of fire, should a ground fault occur.
!
AVERTISSEMENT
Risque de décharge électrique pouvant entraîner des dommages matériels, des blessures
et même la mort.
Le non-respect des procédures de mise à la terre peut entraîner des risques
d’électrocution du personnel, ou des risques d’incendie en cas de défectuosité de la mise à
la terre.
!
WARNING
Risk of electric shock. Can cause equipment damage, injury and death.
The operations described in this section must be performed by authorized electricians or
properly trained and qualified technical personnel wearing adequate safety clothing, eye
protection and gloves.
If you have any difficulties, do not hesitate to contact Vertiv. See the back page of this
manual for contact information.
!
AVERTISSEMENT
Risque de décharge électrique pouvant entraîner des dommages matériels, des blessures
et même la mort.
Toutes les opérations décrites dans cette section ne doivent être effectuées que par des
électriciens ou des techniciens professionnels dûment formés et qualifiés portant gants,
lunettes et vêtements de protection adéquats.
En cas de problème, n’hésitez pas à communiquer avec Vertiv. Pour obtenir les
renseignements de contact, consultez la dernière page de ce manuel.
NOTE
Proper grounding considerably reduces problems in systems caused by electromagnetic
interference.
