Process Technology LUFRAN Instruction page 72

Maintenance Procedures (Continued):
M2:
Inlet/Outlet Process Sensor, Column TC Sensor(s)
The inlet process temperature sensor is located in the TEE fitting directly after the inlet
plumbing connection. The outlet process temperature sensor is located in the TEE
fitting directly before the outlet plumbing connection. The column temperature sensor(s)
are located in the top manifold of each heating column, labeled COLUMN TC. These
sensors should be checked for proper operation every 6 months.
Procedure M2-1: Outlet Process Temperature Sensor, Column TC Sensor
Inspection Procedure:
1) If the unit is in LOCAL mode, press the DISABLE HEATER button on the command
panel of the OIP. If the unit is in REMOTE mode disable the heater from the
customer supplied remote controller.
energizing.
2) Continue water flow through the unit for this procedure. Allow the unit to cool to
ambient inlet temperature.
3) Open the rear cabinet door. Locate the outlet process temperature sensor located in
the TEE fitting directly in front of the outlet plumbing connection.
M-43-01
Revision - Date: 08 – 04/06/15
Figure 43: Thermocouple Locations
This will also prevent the heaters from
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Lufran Single Outlet Manual