You are here: Using The System > FP AHU > First-time Setup (Modbus) > Run FP AHU Discover Wizard (Modbus)

Run FP AHU Discover Wizard (Modbus)

  1. Configure FP AHU Control Points (DXFAU / FAU Only / Adiabatic).

Unlike a physical unit, a Modbus-controlled FP AHU does not require a WEMScontroller4. All information is instead sent down a RS485 connection. The only required item is at least one temperature sensor.

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  1. Go to Discovery | FP AHU Discover, and then click Next to begin the wizard.

The FP AHU Discover Wizard

  1. Select the type of interface for the FP AHU, and then click Next.

The FP AHU Discover Wizard

  1. Enter an appropriate description for the new FP AHU, and then click Next.

Currently for BT this description is the PIRM ID, which is a unique 8 digit reference number used to identify every piece of equipment in the BT Estate. The description entered in this field will appear when the pointer hovers over the FP AHU Object on the Floorplan.

The FP AHU Discover Wizard

  1. Enter a location for the new FP AHU, and then click Next.

The FP AHU Discover Wizard

  1. Enter an asset name, and then click Next..

The FP AHU Discover Wizard

  1. Select the Modbus manufacturer, and then click Next. ClosedView Modbus options …
  2. Available Modbus options:

    • AirSys DXFAU: Electrical and fresh-air cooling
    • AirSys FAU: Fresh-air cooling only
    • EW DXFAU: Electrical and fresh-air cooling
    • EW FAU BTA 66-196: Fresh-air cooling only
    • EW FAU eBTA 200-600: Fresh-air cooling only
    • QE630 Adiabatic

The FP AHU Discover Wizard

  1. Select the Modbus slave and unit numbers, and then click Next.

The FP AHU Discover Wizard

  1. Click Next to the confirmation screen.

The FP AHU Discover Wizard

  1. Finally, click Finish to complete the FP AHU Discover Wizard.

The FP AHU Discover Wizard

Next Step

The FP AHU Discover Wizard is now complete. The next step is to configure the control points:

WEMS User Guide version 4.0 20150130.
This guide relates to features up to and including 1.18.0.3