smw$
xtcli power up Hostname
Hostname
is the cabinet, system, or partition ID; examples include
c0-0
(for a cabinet),
S0
(for a
system), or
p0
(for a partition).
4.7
Preconditioner Air Temperature Sensor Replacement
4.7.1
Remove a Preconditioner Air Temperature Sensor
Prerequisites
Tools Required:
T15 Torx driver
Balldriver Set, 11 Piece 5/64-3/8-in.
Time Required:
10 minutes
Procedure
1. Power down all of the cabinets in the row.
a. Enter the following command in a terminal window on the SMW:
smw$
xtcli power down Hostname
Hostname
is the cabinet, system, or partition ID; examples include
c0-0
(for a cabinet),
S0
(for a
system), or
p0
(for a partition).
b. For cabinets, place main circuit breakers CB1 and CB2 in the OFF (down) position.
c. For blower cabinets, place the MAIN DISCONNECT switch on the rear panel of the blower cabinet PDU
in the OFF (down) position.
Figure 115. Circuit Breakers for Cabinet (left) and Blower (right)
2. Remove all six blowers from the blower cabinet next to the pre-conditioner.
3. From inside the blower cabinet, disconnect the control cable from the temperature strip.
4. Remove the T15 screws (4) that attach the temperature sensor to the cabinet.
5. Remove the temperature sensor from the cabinet.
Preconditioner Cabinet Procedures
121