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29InRow RC Installation
Temperature sensor
The remote temperature sensor monitors the room temperature,
monitoring the environment surrounding the cooling equipment to
ensure that the conditioned air is cooling the area.
Note: The remote temperature
sensor comes coiled inside the
equipment as shown, and must
be mounted as follows, or the
equipment will not operate
properly.
Install the temperature sensor.
1. Route the rack temperature sensor through the hole in
either the top or bottom of the unit.
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.
gen0744a
na2271a
Remote temperature
sensor
gen0767a
Wire clip
Temperature
sensor