DRIVE CONFIGURATION
Master VFD Control HMI Menu Settings
10
Extended VFD Parameters and Alarm Settings Screen
Viewed by pressing the F4 button, this screen shows additional information about VFD read parameters and
system alarm settings.
Access the screen requires entering the system passcode. Refer to
Extended VFD Read Parameters
This section of the screen shows current details of the VFD read parameters, including:
•
Drive status: STOPPED (red) or RUNNING (green)
•
Healthy/Trip
•
Auto/Hand: current mode
•
Drive Temp: internal drive temperature in Celsius
•
kW: instantaneous power draw by drive in KW
•
Run Time Hrs: actual VFD operating run time in hours
Alarm Settings
When a fault occurs, the Master VFD Control HMI Main screen will display the fault type and the alarm
buzzer will sound.
•
Warnings do not stop pump operation.
•
Alarm trips disable pump operation. The system will not enable the pumps again until the condi
-
tion is corrected.
•
To silence the alarm buzzer, press the “Alarm Acknowledge” button on the Main Screen. Refer to
“Master VFD Control HMI Main Screen” on page 8
The current alarm timers and levels are displayed and can be updated by pressing the corresponding button
of the desired setting.
•
Time settings are the amount of seconds that the pressure settings (PSI) needs to be exceeded
before the fault condition is triggered.
Fault
Fault Type
Description
Hi Hi Pressure
Trip
The discharge pressure reading is above the set level. The program regis
-
ters a HIGH PRESSURE ALARM and disables the pump.
Hi Pressure
Warning
The discharge pressure reading is above the set level. The program regis
-
ters a HIGH PRESSURE WARNING. Pump operation is not stopped.
Lo Pressure
Warning
The discharge pressure reading is below the set level. The program regis
-
ters a LOW PRESSURE WARNING. Pump operation is not stopped.
Lo Lo Pressure
Trip
The discharge pressure reading is below the set level. The program regis
-
ters a LOW PRESSURE ALARM and disables the pump.
