ITT PumpSmart PS220, Руководство по конфигурации и эксплуатации

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PS220 Configuration & Operation Guide
PS220 70
Pump & VFD
Protection
4.4.1 Flow Bypass Recirculation Wizard
Flow Bypass Recirculation.
The PS220’s Flow Bypass Recirculation function will allow an individual pumps
flow to be monitored and can control the opening and closing of a minimum
flow bypass valve that may be required in the pumping system. An available
Relay Out can be used with this function to send the electrical signal to operate
the valves solenoid, or to trigger the external device to accomplish this.
This functionality requires the use of the Pumps Minimum Flow value. This
requires either SmartFlow, or an external flow meter, and Pump Protection to be
configured in advance.
This Wizard will show the step-by-step instructions to configure this function-
ality for use. This functionality can be configured with the PumpSmart PS220
Configuration Wizard.
To access this Wizard from the Home Screen, follow the path: Menu>PS220
Configuration>Pump & VFD Protection>Condition Monitoring>Next>No>Yes
The individual steps that will be performed are:
1. Configure the use of the Flow Bypass Recirculation function.
2. Configure the FLOW BYPASS source.
3. Configure the FLOW BYPASS On flow rate
4. Configure the FLOW BYPASS OFF RATIO
5. Configure the ON DELAY time
6. Configure the OFF DELAY time
7. Configure the FLOW RELAY START DELAY time
8. Exit the Wizard
The Screen Shots that follow will show you step by step, from start to finish,
how to configure this functionality.
2. Configure the FLOW BYPASS SOURCE.
1. “ARROW RIGHT” To change 1. “ARROWS UP/DOWN” to select
2. “SAVE” to continue
1. “ARROW DOWN”