Shutdown - Process Technology LUFRAN Instruction

Shutdown:

1) Press the DISABLE HEATER button on the command panel of the controller.
Continue water flow through the heater to allow the heating columns to cool down.
2) Maintain water flow until the outlet temperature reaches ambient as referenced from
the Main screen.
3) Press the POWER OFF button located on the front panel of the heater.
Note: Steps 1 and 3 can also be accomplished through the remote control interface or
on the ROI. Refer to the REMOTE INTERFACE section of this manual for more
information.
4) Turn off the disconnect switch to complete the shutdown.
Note: For extended shut down periods, drain the heating columns and dry the columns
internally with nitrogen or another inert gas.
M-43-01
Revision - Date: 08 – 04/06/15
The heater must be disabled and allowed to
cool before the water flow is turned off.
Dangerous temperatures
conditions may result from improper shutdown
procedures.
The purge gas supply MUST be maintained
whenever there
columns.
Failure to maintain the purge will result in
shortened heating element life.
- 53 -
and
is liquid in the
Lufran Single Outlet Manual
pressure
heating