Closed Loop Flow Pulsaguard Protection; Open Loop Speed Pulsaguard Protection; Pulsaguard Calibration - Closed Loop Flow Control - Idex Pulsafeeder MPC Vector Installation, Operation & Maintenance Manual

8.3 Closed Loop Flow PulsaGuard Protection

When a flow meter is installed in the system, PulsaGuard will turn off your motor if the present system flow rate is
below a user desired low flow threshold for more than 10 seconds. This will protect the pump in under-loaded or
overloaded conditions, which would cause the flow to be reduced below the user's acceptable threshold limit.
The MPC VECTOR will also trigger an alarm condition if the flow set point cannot be reached for some reason. This
alarm will be displayed on the MPC VECTOR display but will not shut the motor off.

8.4 Open Loop Speed PulsaGuard Protection

If the MPC VECTOR is operating without flow meter feedback PulsaGuard can read the motor current and shut off
the pump if the current drops below the shut off level and stays under that level for 10 seconds, effectively protecting
equipment from under-loaded conditions.
The PulsaGuard pump protection may be enabled and disabled as desired from the System Setup menus. Note that
once a PulsaGuard calibration is performed the pump protection is automatically enabled, you will not have to
manually enable it.
8.4.1

PulsaGuard Calibration - Closed Loop Flow Control

1. The starting display will be:
2. Press the MENU key
3. Press the ENTER key
4. Press the UP key
5. Press the ENTER key
6. Using the UP and DOWN arrow keys set the low flow setpoint
S E T P T X X . X X X
F L O W X X . X X X
- M E N U -
C A L I B R A T I O N
C A L I B R A T I O N
P U M P F L O W
C A L I B R A T I O N
P U L S A G U A R D
M I N S E T P O I N T
S E T P T : 0 . 0 0 G P M
M I N S E T P O I N T
S E T P T : 0 . 5 0 G P M
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