Xylem IM131R01 AQUAVAR AV II - Manual (Page 35)

AQUAVAR II Controller Program Flow Chart
Single Pump Constant Pressure
II. Single Pump - Pump Protection
The AQUAVARII controller has the ability to protect the pump by shutting it off in low/no suction or run out conditions.
To set run out protection:
For steps 1 through 8, refer to the flow chart on page 36.
Instructions
1. Password The password protection prevents
untrained personnel from accidentally
changing the base settings.
• From the main menu, hold down the
key for 2-3 seconds until the display
changes to:
34
Programming
Diagram 13
FAILURE TO SAVE SETTINGS AFTER PROGRAMMING RESULTS IN LOSS OF
PROGRAM VALUES WHEN POWER IS REMOVED!
WARNING
REQUIRED
VALUE
50 PSI
Auto-START
ON
ERROR 1 ERROR 2 ERROR 3 ERROR 4 ERROR 5
TOTAL RUN
TIME
0000: 41
SAVE ??
– + v
SW Ver.
Date:
ITT Ind.
50 PSI
Press • long
Low/no suction protection can be managed by the installation of a suction line pressure switch,
or float switch for a tank. This switch is connected to the AQUAVAR II controller as described
earlier in the Electrical Installation section. The cut off setting for this switch should be the
maximum NPSH required by the pump.
Note
PASSWORD 0000
Screen
*