ITT PumpSmart PS220, Руководство по конфигурации и эксплуатации

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PS220 Configuration & Operation Guide
181 PS220
Function & F
eatures
2. An unused Analog Input will need to be used for this choice to function correctly. Please check the settings of the
Analog Inputs in use by going to: Menu>PARAMATERS> Complete List>Scroll down to Group 76>Select and view
76.01&02. If available “NOT SELECTED” will be displayed. You may have to add an Extension Card to use an additional
input.
3. Configure the Response to Minimum Flow.
There are three choices for this response:
A. Disabled (Default)
The PumpSmart PS220 will continue to run. There will not be any indication of this event.
B. Warning.
The PumpSmart PS220 will continue to run. The warning message “Min Flow Warning” will display. The event will be
stored in the Event Log. It will continue to indicate the warning until the flow increases to a value above minimum flow.
C. Alarm & Control
The PumpSmart PS220 will indicate that the pump is running at or below minimum flow with a message “Min Flow
Warning”. After the response delay time has expired. The event will be stored in the Event Log. The PS220 will then re-
spond based on the Protections Options. If and when a hard fault occurs it will display the message “Min Flow Fault”. The
PS220 will have to be reset and manually restarted. Please refer to the sections “Protection Options” and “Fault Tracing” in
this manual.
4. Configure the Minimum Flow Value
This value should be the minimum flow value as recommend by the Pump Manufacturer. It should be at the rated speed
full speed of the pump. There is a graphic below which depicts this value on a performance curve.
For more detailed information on Minimum Flow please refer to the section on Minimum Flow in this manual.
5. Configure the Response to Dry Run.
For more detailed information on Dry Run please refer to the sections of “Dry Run” and “Dead Head” in this manual.
The choices are:
1. Disabled (Default)
The PumpSmart PS220 will continue to run. There will not be any indication of this event.
2. Fault.
The information entered with the Smartflow configuration Wizard will automatically determine the value used for this
protection’s response. The PumpSmart PS220 will fault off with the message “Dry Run Fault” when conditions are satisfied
based on the configuration of the “Protection Options”. The event will be stored in the event log. This fault is not an Au-
to-resettable fault. The PS220 will have to be reset, and manually restarted. Please refer to the “Protection Options” and
“Fault Tracing” sections in this manual.
3. Warning
The PumpSmart PS220 will respond with the message “Dry Run Warning” when conditions are satisfied based on the
configuration of the “Protection Options”. The event will be stored in the event log. This warning message will clear when
operating conditions return to normal. No further action will be taken.