Replacement Instructions for the AC Tranfer Switch HP Modular Cooling System

3. Using a T-25 Torx driver, secure the AC transfer switch chassis
to the water group controller chassis by inserting four
Torx screws.
CAUTION: To prevent damage to the cables and ensure
proper fit of the transfer switch chassis, be sure to route all
cables through the U-shaped opening in the rear of the
chassis.
4. Slide the metal AC transfer switch box back into the MCS unit
on the sliding rails.
5. Complete the operation checklist.
Operation checklist
1. If power was disconnected, restore power to the MCS unit.
a. Open the rear MCS door.
b. Connect the network cable to the RJ-45 connector on the
power inlet box.
c. Connect the two AC power cables to the power connectors
on the power inlet box.
d. Open the front MCS door.
e. Turn on the AC1 breaker on the AC transfer switch.
f. Turn on the AC2 breaker on the AC transfer switch.
2. Clear all old logs from the web interface to ensure that any
additional alarms are current.
3. Confirm that no additional warning or alarm messages have
been detected by looking at the operator display.
Returning the failed component
Instructions are provided on the return label supplied with the
replacement component. The return label is either in the box in which
the component was shipped or in the plastic pouch attached to the
box.
For further information about the Customer Self Repair program, see
http://www.hp.com/go/selfrepair.