4.7.2
Install a Preconditioner Air Temperature Sensor
Prerequisites
Tools Required:
T15 Torx driver
Balldriver Set, 11 Piece 5/64-3/8in
Time Required:
10 minutes
Procedure
1. Place the new temperature sensor in the cabinet and reinstall the T15 Torx screws (4).
2. Connect the control cable to the temperature sensor.
3. Install all six blowers in the blower cabinet next to the pre-conditioner.
4. Power up all of the cabinets in the row.
a. For blower cabinets, place the MAIN DISCONNECT switch on the rear panel of the blower cabinet PDU
in the ON (up) position.
b. For cabinets, place main circuit breakers CB1 and CB2 in the ON (up) position.
Figure 116. Circuit Breakers for Cabinet (left) and Blower (right)
a. Close the rear door of the cabinet.
b. Enter the following command in a terminal window on the SMW:
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).
4.8
Preconditioner Temperature and Humidity Sensor Replacement
Preconditioner Cabinet Procedures
122