Sterlco GC Series Central Chiller - Manual (Page 29)

GC Series Central Chillers Chapter 3: Installation 29 of 79
Note: If you choose to define an Operator Password you must also define a
Supervisor Password to complete the security setup.
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 or 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.
6. Press to accept the Password and move to the next line.
7. For either Operator or Supervisor password the time that the password will allow the
controller to be active can be set by the Operator or Supervisor Password Time. With the
PW Time value highlighted, press or to increment or decrement the time. The
password time for either setup can be from 0 to 99 minutes.