
31InRow Half-Rack RC Installation
Install the temperature sensor.
1. Insert the rack temperature sensor connector in the temperature sensor port at the user interface.
See “User interface connection pinout” on page 25.
a. For a top installation, push the rack temperature
sensor through the wire channel located at the
top of the equipment in the left hand side just
above the user interface connectors.
b. For a bottom installation, route the sensor
through the wire clamps along the electrical
panel and then push the sensor through the
customer access hole in the bottom of the
equipment.
2. Route the sensor through either the top or the bottom
of the adjacent server rack.
3. Secure the temperature sensor cable to the front door
of the adjacent server rack at multiple locations using
the provided wire clips as shown. See “Installation kit” on page 3.
The sensors must be installed where lack of sufficient cooling air is most likely. The optimum
position of the rack temperature sensors will vary from installation to installation, but should be
located in the airflow to allow accurate readings.
Servers most likely to have insufficient air or inadequately cooled air due to the recirculation of
hot air from the hot aisle include:
a. Servers positioned at the top of a rack.
b. Servers positioned at any height in the last rack at an open end of a row.
c. Servers positioned behind flow-impairing obstacles such as building elements.
d. Servers positioned in a bank of high-density racks.
e. Servers positioned next to racks with Air Removal Units (ARU).
f. Servers positioned very far from the equipment.
g. Servers positioned very close to the equipment.
gen0767a
Wire clip
Temperature
sensor
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