Sterlco GC Series Central Chiller User Manual

Page 32

GC Series Central Chillers

Chapter 4: Operation

32 of 79

3. Set the Leaving Fluid temperature by depressing the

button to display

the menu.

Figure 12: Menu Screen

4. Depress the

button to highlight SETPOINTS and press

. If

passwords were setup (See Section 3-12 for information on the controller
passwords) the password screen will appear.

Enter the established Operator Password by depressing the

to move the

position of the cursor, and then depressing the

button to

increment or decrement the number. Once all of the numbers have been

entered depress the

to accept the password. The following screen will

appear.

Figure 13: Operator Setpoints Screen

5. Depress

to move the cursor to the Leaving Temp line. Use the

button to increment or decrement the value. Depress

to accept the

value and move the cursor down one line.

6. Depress the

button twice to return to the main status screen.

7. Depress the

to start the chiller.

8. Check pump rotation
9. Check the pump amp draw and pump pressure. Make sure that the amp draw

reading is within the running load and service factor amps.