CRAC/CRAH Sensor Hardware Installation Manual
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d. Position the supply sensor no lower than 4 inches above the subfloor and four (4)
inches below the raised floor tile.
e. Secure the sensor and wire to the raised floor frame stand with a plenum-rated zip
tie (usually purple in color).
2. Route the supply wire in the unit.
a. Route the supply wire to follow the path of existing wires in the unit using zip ties
to secure the supply wire to the unit wiring.
b. Continue routing the supply wire to the corner of the unit and then up the unit wall,
securing the wire with cable clips as needed.
c. Route the supply wire on the mounting rim, securing with cable clips as needed
and making sure there is sufficient wire length to mount the ThermaNode.
3. Route and install the return sensor.
a. Route the return sensor and wire along the mounting rim in the filter area.
b. Allow the sensor to hang over the mounting rim in the path of the return airflow.
Secure the return wire to the mounting rim with a cable clip.
c. Route the return wire to the corner of the filter area.
d. Use cable clips as needed along the filter mounting rim to secure the wire.
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