APC ACRC100 Manuel D’Utilisation

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.

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.

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