E2600 Controller-Drive Tray Installation Guide
94
Procedure – Connecting AC Power Cords
1.
Make sure that the circuit breakers in the cabinet are turned off.
2.
Make sure that both of the Power switches on the controller-drive tray are turned off.
3.
Connect the primary power cords from the cabinet to the external power source.
4.
Connect a cabinet interconnect power cord (or power cords specific to your particular cabinet) to the AC power
connector on each power canister in the drive tray.
5.
If you are installing other drive trays in the cabinet, connect a power cord to each power canister in the drive
trays.
Procedure – Connecting DC Power Cords
WARNING
(W14)
Risk of bodily injury
– A qualified service person is required to make the DC power
connection according to NEC and CEC guidelines.
NOTE
Make sure that you do not turn on power to the controller-drive tray until this guide instructs you to do so.
For the proper procedure for turning on the power, see “
Turning on the Power and Checking for Problems in a
E2600 Controller-Drive Tray Configuration
” on page
NOTE
Before turning off any power switches on a DC-powered controller-drive tray, you must disconnect the
two-pole 20-amp circuit breaker.
1.
Disconnect the two-pole 20-amp circuit breaker for the storage array.
2.
Make sure that all of the DC power switches on the DC-powered controller-drive tray are turned off.
3.
Make sure that all of the DC power switches on the DC-powered drive trays are turned off.
4.
Connect the DC power connector cables to the DC power connectors on the rear of the controller-drive tray
and the drive trays.
NOTE
The three source wires on the DC power connector cable (–48 VDC) connect the controller-drive tray to
centralized DC power plant equipment, typically through a bus bar located above the cabinet.
NOTE
It is not mandatory that the second DC power connection on each of the drive tray’s DC power-fan canisters
be connected. The second DC power connection is for additional redundancy only and can be connected to a second
DC power bus.
5.
Have a qualified service person connect the other end of the DC power connector cables to the DC power plant
equipment as follows:
a.
Connect the brown –48 VDC supply wire to the negative terminal.
b.
Connect the blue return wire to the positive terminal.
c.
Connect the green/yellow ground wire to the ground terminal.
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