Artesyn Centellis 2000 Shelf Release 3.0 Installation and Use (May 2014) - Manual (Page 90)

System Installation
Centellis 2000 Shelf Release 3.0 Installation and Use (6806800L99G) 90
Procedure
To ground the system, proceed as follows:
1. Connect the rack ground lug to the M5 shelf ground at the bottom left rear of the
shelf and torque the shelf ground lug nuts to maximum, refer Table 3-1 for torque
values. The lugs are marked with the corresponding grounding symbol. Artesyn
recommends to use an earth grounding cable with a two-hole lug, distance 5/8"
(15.9 mm). Grounding cable of size 1.25 mm
2
for AC system, and 2.5 mm
2
for DC
system
2. Permanently connect the system to the earth ground of the building.
3.3.3 Powering-Up the System
If problems occur during startup, refer to chapter Troubleshooting on page 185 .
Personal Injury
Touching the PSU/PEM power input terminals with metallic objects on your hands, wrists,
or hanging from your neck may lead to severe injuries through electric shock and burning.
Do not wear any metallic attire or commodity on your hands, wrists, or hanging from your
neck when working at the power input terminals or power input cables. Be extremely
careful when you use electrically conductive tools near the PSUs/PEMs.
Short Circuit and Personal Injury
Ensure that the power feeds you plan to remove or attach are powered off and cannot be
switched on while you are working.
Ensure that all power input lines are not energized. Be careful with the used tools in order to
prevent a short circuit.
Personal Injury
Surfaces may get hot. Allow sufficient cool down period when removing FRUs with bare
hands.