Installing Breaker Panel Site Input Power Cables - HP BladeSystem c7000 Setup And Installation Manual

Installing Breaker Panel site input power cables

WARNING!
of the breaker panel. You must verify that the correct size cables are installed into side A and side
B of the breaker panel.
WARNING!
the breaker panel input cables. Do not reconnect the input cables to the site power or battery until
all install procedures on the breaker panel and its ground strap are completed. Connection at the
site power or battery must be the last connection made in the installation procedure or any servicing
procedure.
Site input cables can vary in size based on the rack configuration, power load, cable distance to
the site battery, cable routing through overhead troughs, and other factors. Determine cable gauge
size for each configuration, according to site local electrical codes. The breaker panel can
accommodate up to 500 kcmil. Input lugs must have two-hole 3/8 inch–1 inch spacing.
To install the breaker panel site input power cables:
1. To access the breaker panel main input studs and nuts, slide the breaker panel back.
2. From the rear, remove the rear covers from the breaker panel.
3. With the flathead screwdriver, remove the rear ID panel from the rack. The site power cables
run behind it.
4. With the T-30 screwdriver and 1-mm wrench, remove the ground strap connection hardware.
5. From the front, using a T-25 screwdriver, remove the screws that secure the breaker panel to
the front cage nuts.
6. Slide the panel forward approximately three inches beyond the rack rails, and then with a
T-20 screwdriver, remove both front mounting brackets.
7. From the rear, pull the panel back enough to remove the stud nuts with the 14 mm socket
wrench, if necessary.
When the breaker is installed in the top U of the rack, the socket wrench has access to the
top lugs without sliding the breaker panel back
When another module is installed beneath the breaker panel, slide the panel out the rear to
enable access to the bottom input lugs.
8. Run the site input power cables into the rack rear through the center hole on the top where
the sheet metal grommets are installed.
A qualified electrician must determine the cabling requirements for the input power
You must disconnect the input cables from the site power or battery before connecting
Cabling the Breaker Panel 45