AEC TK Series Cooling Tower Water Treatment Systems - Manual (Page 17)

17
Backwash Timer Adjustment Procedure
To adjust the length of the back wash timer on TK SERIES systems equipped
with the programmable relay follow the steps listed below.
1. Locate the programmable relay within the control panel.
2. From the main screen press OK
3. Use the diamond key to scroll down until the word parameter is flashing.
4. Press OK
5. T4 will appear.
6. use the diamond key to scroll down to T5
7. Use the diamond key to scroll left until the time is flashing.
8. Adjust the time by pressing the diamond key up or down on the flashing
number.
9. Repeat steps 7 and 8 until the proper time is shown.
10. Once the proper time is shown press OK to enter the value
11. Press ESC twice to return to the main menu and return the system to
service.
Note: This timer should not be changed from the factory setting (12 hours)
unless instructed to do so by AEC.