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Zener 8000 Application Manual

Pid irrigator control
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ZENER 8000
SW08024
Application Guide
PID Irrigator Control

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Summary of Contents for Zener 8000

  • Page 1 ZENER 8000 SW08024 Application Guide PID Irrigator Control...
  • Page 2 Application SW08024: PID Irrigator Important Warnings:  ALL PROTECTION PROVIDED BY THE ZENER 8000 IS FOR OPERATIONAL PURPOSES ONLY. SEPARATE INDEPENDENT METHODS MUST BE EMPLOYED TO PREVENT ECONOMIC LOSS.  THIS EQUIPMENT CONTAINS HIGH VOLTAGE AND REMAINS CHARGED FOR A PERIOD AFTER POWER IS REMOVED.

  • Page 3: Commissioning Overview

    Each step must be completed in order shown before proceeding to the next. Before proceeding to power the ZENER 8000 and operating the pump, check all wiring is correct and that the pump and plumbing system is in a state fit for operation. If any parameters are changed it is important to ‘save changes’ when prompted exiting the menu.

  • Page 4: Application Overview

    ZENER 8000 automatically adjusts the speed to ensure constant pressure is maintained. When demand decreases the drive will reduce speed to reduce pressure accordingly. As the flow & speed reduce the load (current) also reduces. If the installed flow switch detects “no-flow”, the ZENER 8000 will stop pumping and await reset.

  • Page 5: System Requirements

    Application SW08024: PID Irrigator System Requirements: ZENER 8000 with the Application: “PID Irrigator” fitted with an extended features board (AF08001). A pressure transducer and a pressure gauge (for calibration purposes) located between the pump and any discharge valves. A 4-20mA pressure transducer. However different devices can be used by varying the appropriate parameters.

  • Page 6: Control Wiring

    CLOSED Pressure Ref 4 ************************************************************************* Ensure the ZENER 8000 is in local mode (remove link in terminal 5) to prevent operation while programming and performing preliminary checks. NOTES: 1. If the optional ‘Flow switch’ is not installed, a bridging link must be fitted. i.e. +5V  D3(35) 2.

  • Page 7: Operation Displays

    Application SW08024: PID Irrigator Operation Displays The operational displays show the operating state of the ZENER 8000. The operational displays include: Speed  / Reference Display, Meter Display, PID Display, PID / Meter Display and kWhr / Hours Run Display. Press (ENTER) to step through each display.

  • Page 8: Loading An Application

    Factory defaults must be restored to prepare the ZENER 8000 for application loading. To restore defaults follow the procedure below. NOTE: To restore defaults the ZENER 8000 must not be PID Irrigator in REMOTE mode. Remove terminal 5. User Menu ▼...
  • Page 9 Application SW08024: PID Irrigator Application ‘CONFIG’ & ‘USER’ Menu: There are now 2 additional menus with this application, a ‘CONFIG MENU’ and a ‘USER MENU’. CONFIG MENU USER MENU The ‘CONFIG MENU’ is created for initial The ‘USER MENU’ is created for the operator. setup.

  • Page 10: Config Menu Parameters

    22.0Amps ▼ PRESS TO STEP THROUGH APPLICATION PARAMETERS PRESS ENTER TO EDIT AND SAVE CHANGES Ensure the ZENER 8000 is in local mode (remove terminal 5) to prevent unexpected operation. Initial parameters to adjust: Parameter Default Explanation Rated Motor Amps ?? Amps.
  • Page 11 Application SW08024: PID Irrigator Parameter Default Explanation No Flow Q time 20 sec Enter the out of tolerance time to register “No Flow” This feature requires an external no flow switch. Link terminal 1 to Terminal D3(35) if a flow switch is not installed. High Trip Level 180 psi Adjust if required...
  • Page 12 Use the ▲ to increase the speed above the minimum speed level. If the motor shaft or pump rotates in the wrong direction, remove the input power, wait for the ZENER 8000 to discharge and swap any two motor phase wires. Re-apply input power and recheck direction Check pressure transducer feedback: Press FWD/ ▲...

  • Page 13: Check The Following

    2. The ZENER 8000 operates and stabilises at a speed where the PV = SV. 3. The pressure (i.e. PV) indicated on the ZENER 8000 is correct with reference to the gauge. If not correct turn the pump off and investigate.
  • Page 14 Stop the ZENER 8000 oscillate Double the value H01 Proportional band Start the ZENER 8000 and observe the time it takes to reach pressure or reacts to changes Repeat from step 2.1 if the system still overshoots or oscillates. Otherwise proceed to step 3.
  • Page 15 The remaining parameters to implement & adjust if required are: Pipe Fill: The pipe fill option allows the ZENER 8000 to operate at a reduced speed to fill the pipes on start. Pipe fill is only activated when a start/run command is first given.
  • Page 16 Application SW08024: PID Irrigator Thermistor Input: Allows a thermistor input for motor protection into terminals 40 and 42 on the option board. This function needs to be enabled if required. ESC to Menu> <DOWN>>> G00 INPUT/OUTPUT <ENTER><DOWN>>>G09 Thermistor<ENTER to edit><<UP/DOWN to select enable>>and<ENTER to save><ESC>...
  • Page 17 Application SW08024: PID Irrigator Parameters programmed by the Application: The following parameters are automatically programmed by the ‘Application’ when it is loaded. They are listed below for reference purposes only. Application Menu: // Pressure Error Trip config "Rated motor amps" G230= 2 //UA1 active in PID closed loop B02= ? G231= 101 //UA1 signal: "PV-A OutOfReg"...

  • Page 18: Troubleshooting Guide

     Problem with pump/motor not increasing pressure to pipe fill level. Check Pump/motor More Information or Assistance: For details on all the features and parameters available refer to the ZENER 8000 Reference Manual available on the ZENER website: www.zener.com.au Page 17 Document: IM00160A...
  • Page 19 ZENER AUSTRALIAN DISTRIBUTORS New South Wales Queensland Sydney Regional NSW Zener Varidrive Solutions Zener Varidrive Solutions Zener Electric Queensland Pty Ltd 366 Horsley Road 1 William Street Unit 23, 28 Burnside Road Milperra NSW 2214 Maryville NSW 2293 Yatala QLD 4207...

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