Viking ESFR Service Manual download pdf (Page 28)

6.4 Wiring Diagram

6.5 Pressure Switch Set-Up for Automatic Pressure Control System:

1. Connect to power supply. Turn on power supply. The pressure switch needs

to be set-up without any pressure against it.

2. The pressure switch should have a digital reading displaying 0.0.

3. Depress the Mode/Enter button several times. The first variable to be

defined is EF.

4. Depress the Set button. The value that will appear is HI.

5. Depress the Mode/Enter button several times until the value that appears is

dS1.

6. Depress the Set button. The value that appears is the factory or previously

set value. Depress the Set button and hold until the value changes (5

seconds). Set the value to 0.

7. Depress the Mode/Enter button to return to dS1.

8. Depress the Mode/Enter button to change the value to dr1.

9. Depress the Set button. The value that appears is the factory or previously

set value. Depress the Set button and hold until the value changes (5

seconds). Set the value to 0.

10. Depress the Mode/Enter button to return to dr1.

11. Depress the Mode/Enter button several times to change the value to Uni.

12. Depress the Set button. The value that appears is the factory or previously

set value. Depress the Set button and hold until the value changes (5

seconds). Set the value to PSI.

13. Depress the Mode/Enter button to return to Uni.

14. Wait (15 seconds) until the switch will display EF.

15. Depress the Mode/Enter button several times until the valve SP1 appears.

16. If the switch has returned itself to run mode (displaying 0.0 or 0) then

depress the Mode/Enter button and the value SP1 appears.

17. Depress the Set button. The value that appears is the factory or previously

set value. Depress the Set button and hold until the value changes (5

seconds). Set the value to maximum system pressure that is desired.

18. Depress the Mode/Enter button to return to SP1.

19. Depress the Mode/Enter button to change the display value to rP1.

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Viking ESFR Service Manual Page 28