Component Replacement: Temperature Sensors
56 InfraStruXure InRow RC Service
7. Locate the temperature sensor that
needs to be replaced. Note its
connection location on the circuit
board diagram, and note where it is in
the unit.
t
8. Disconnect the corresponding RJ-45 connection from the control board and remove the sensor from
the unit (possible connection labels: NTC1-NTC6, NTC8).
9. Attach the correct color tie wraps near each end of the new sensor cable.
10. Continue to the next section “Replace sensors rear access” or “Replace sensors front access” on
page 57 to continue the procedure.
Temperature Sensor Connections
Port # Color Name Port # Color Name
Black Lower Return Air Brown Upper Return Air
Red Lower Supply Air Orange Upper Supply Air
Yellow Entering Fluid Green Leaving Fluid
Blue Not Used Violet Rack Air Inlet
Note
Colors are indicate the color of the tie wrap attached near
each end of the sensor cable.
na2112a
