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GP Series Portable Chillers Chapter 3: Installation 27 of 73
Operator Password. If you define a password for operators, then a password will be
required to carry out any function (other than reviewing the status screens). Entering the
operator’s password will give the user access to the setpoints for leaving temperature, high
temperature warning, high temperature fault.
Supervisor Password. If you define a password for supervisors (or setup personnel) then
most settings can be changed only after entering the password. The password will be
required to display the extended setpoints for operating parameters and alarms. Section 4-6
shows a table of setpoints and the restrictions between Operator and Supervisor.
To set password protections:
1. Press the
button to access the menu screen.
2. Press the
or to highlight SETPOINTS, and press .
3. Press the
or until the following screen appears for the Operator Password
or the following screen for the Supervisor Password
4. Press
to accept the screen, and then press until the Operator or Supervisor
Password line is highlighted.
5. Press
or to increment or decrement the number. The password can be between
0 and 9999.