Sterlco GC Series Central Chiller User 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.