Fortrezz WWA-002

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The WWA-02 alarms when water is detected and will also provide a Z-WaveTM alarm signal when the temperature drops below a low temperature setpoint or rises above a high temperature setpoint. The WWA-02 functionality is based on wireless (RF) transmissions. Any wireless transmission can be subject to RF interference and, although unlikely, this interference may cause the unit to not operate as intended. The WWA-02 must not be used in life support and/or safety applications.

Contents

Adding the sensor to Vera

To include a Z-Wave device you must put Vera in include mode by pressing the Z-Wave button once. When it goes into learn mode the Z-Wave light should be blinking slowly, then briefly press the button once and the controller will indicate the unit has been included in the network. Also, the LED will blink when the inclusion completes. Inclusion and exclusion are always done at normal transmit power mode.

If the sensor is not getting included, it could mean it has been added into another Z-Wave network previously, so you will have to exclude it.

To exclude a Z-Wave device you must put Vera in exclude mode by keeping the Z-Wave button pressed for about 3 seconds. When you release it, the Z-Wave light should start blinking fast and you will have to press and hold the button for approx. 2 seconds until the controller indicates the unit has been removed from the network. The LED will blink when the exclusion completes.

Associations

Once in a network, a controller can be used to associate the WWA-02 with other devices in the Z-WaveTM network, such as a light or another remote audible alarm. Refer to your controller’s documentation on how to associate WWA-02 with another device in your network. The WWA-02 supports three association groups with a maximum of 5 devices in each group. Basic Set commands are sent at 30-minute intervals to the associated groups while alarms are active.

  • A Basic Set Command is sent to the associated nodes, if any, assigned to Group1 to indicate that EITHER a Water Alarm OR Heat Alarm (under or over temperature) is active.
  • A Basic Set Command with value = 0xFF is sent to the associated nodes, if any, assigned to Group2 to indicate that a Water Alarm is active. When the water alarm is cleared by drying the contacts, one additional report with value = 0x00 is sent.
  • A Basic Set Command is sent to the associated nodes, if any, assigned to Group3 to indicate that a Temperature Alarm (over or under temperature) is active. When the temperature alarm is cleared due to temperature change, one additional report with value = 0x00 is sent.

Wakeup Notification

The WWA-02 will wakeup and send a notification every 4 hours (default) to allow a controller to query and update the status of the unit. A brief button press while in network will also cause the WWA-02 to wakeup and send a notification. The device stays awake for 5 seconds during this time or longer if communicating with the controller.


Status LED Indications

Number of Blinks  
                                                            Meaning
Fast Blinks, Normal Operation
             1
Wakeup Notification Sent (after quick button press while in Network)
             2
Water Alarm
             3
Temperature Alarm (either high or low setpoint triggered)
             4
An active alarm has been cleared (when a water alarm or a temperature alarm is no longer active)
             5
Low Battery (repeated every approx. 40 seconds)
Slow Blinks, After Battery Replacement or Inclusion / Exclusion
             1
In-Network (also, after button held while in-Network)
             3
Out of Network (also given if inclusion was not completed)


Configuration

The high and low temperature setpoints in the WWA-02 can be configured. The low temperature setpoint must always be set at least two degrees below the high temperature setpoint. The low temperature setpoint cannot be set less than –10 degrees C and the high temperature setpoint cannot be set greater than 70 degrees C.

  • Parameter 1 sets Low Temperature Trigger Point (degrees Centigrade, 1 signed byte, Default = 4)
  • Parameter 2 sets High Temperature Trigger Point (degrees Centigrade, 1 signed byte, Default = 70)

On Vera's Dashboard go to the sensor's properties page by clicking on the wrench key then on the "Device Options" tab where you can set or edit these parameters.

To do this click on the 'Add Configuration Setting' button, then indicate which variable number to set, and what value to set it to. Put the setting you want in 'Desired Value'. Vera will attempt to configure the node after you click the red 'Save' button. Since the sensor 's a battery operated device, Vera can't configure it right away, and you will have to configure it by pressing the button on the sensor several times near Vera.

Once Vera has configured the Z-Wave device, Vera will ask the device again for the value of the configuration setting and show it under 'Current Value'. If you set a value, configured the device, and the current value is something other than your desired value, that means the Z-Wave device did not accept the 'Desired Value' you gave it, and you may need to contact the manufacturer for clarification.

If you change the 'Data Size' option to say 'Monitor only', then when the device is next configured Vera will not change the value, but Vera will ask the device for the current value and show it in the 'Current Value' column. If you change it to 'Default', then the next time Vera configures the device, Vera will tell the device to go back to the default value for this setting, and you'll see the value in the 'Current Value' column.

References

http://fortrezz.com/files/WWA_02_manual.pdf

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