Sterlco GP Series 5-15 HP Portable Chillers User Manual
Page 41

GP Series Portable Chillers
Chapter 4: Operation
41 of 93
Enter the established Operator Password by depressing the
to move the
position of the cursor, and then depressing the
or
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 15: Operator Setpoints Screen
5. Depress
to move the cursor to the CHILLED FLUID SP line. Use the
or
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.
10. Operate the chiller, looking for any leaks and listening for unusual noises or
vibrations that could indicate improper operation.
Elevated sound level and substantially reduced current draw indicate reverse
rotation. After several minutes of operation, the compressor internal protector
trips.