Holman WX8RS EVIE Rain Sensor User Manual

User Guide

WX8RS EVIE Rain Sensor

User Guide
For additional help, visit https://www.holmanindustries.com.au/

INTRODUCTION
Your EVIE Sensor communicates to the WX8 to automatically disable your
watering schedules after 5mm of rain, reducing your water usage in the process.
The sensor uses two electrodes (A) connected
to a Radio Frequency (RF) Transmitter.
When water begins to fill the sensor, the circuit between the two electrodes
completes, and the RF Transmitter can wirelessly communicate to the WX8
to stop watering. After the water in the sensor evaporates, the circuit is once
again disconnected, and the RF Transmitter tells the WX8 it can continue with
your watering schedules. The sensor holds a maximum of 25mm of rainfall.
Your EVIE Sensor regulates how quickly watering will resume
after rain. This comes from the amount of rainfall collected,
and how quickly it evaporates in heat or wind.

When water fills above the internal electrodes (A), the
EVIE Sensor will detect the moisture and any automatic
watering starts will be disabled in Holman Home

As the water evaporates and the water level drops below the centre weir (B),
the sensor will report back to your WX8 as dry, and any automatic watering
starts will be reinstated in Holman Home

PAIRING TO THE WX8 IRRIGATION CONTROLLER

Your EVIE Sensor should
already be paired with your
WX8 Irrigation Controller

1. 2. Check the DEVICE INFORMATION (C)
      page in Holman Home to ensure
      your EVIE Sensor is paired
      to the WX8 correctly and the battery is in good condition

2. If your EVIE Sensor does not appear
   to be paired to your WX8 , please see
   our pairing instructions overleaf

INSTALLATION

To communicate to the WX8 Irrigation Controller , the
EVIE Sensor needs to be installed no more than 20 metres
from the controller with a clear line of sight

The EVIE Sensor needs to be mounted horizontally on a gutter
and attached with the wing nut screw (D) provided

Choose a gutter location where the EVIE Sensor will not be
knocked by surrounding trees or by potentially strong wind

Ensure the EVIE Sensor is with 50m range of your WX8

Use the elbow screw (E) to level the EVIE Sensor on your gutter

CHECKING YOUR EVIE SENSOR

To check if your EVIE Sensor is
working, please follow these steps:

1. Fill the sensor with water

2. Stand at ground level, holding the
   sensor under your gutter near the
   intended installation point

3. You will need to wait up to a minute
   for Holman Home to detect moisture
   through the EVIE Sensor

4. Holman Home should currently
   report (F) that the EVIE Sensor
   is detecting and that automatic
   watering starts have been disabled

5.  Once Holman Home has confirmed it is
   working correctly, empty the water and
   install the sensor in the desired location

TROUBLESHOOTING

If for some reason the EVIE Sensor has been disconnected from your WX8,
Holman Home will show this in the DEVICE INFORMATION screen (F).
The following instructions highlight how to re-pair your EVIE Sensor to the WX8:

1. Bring your EVIE Sensor to your WX8 irrigation controller so
   that you can operate both devices simultaneously

2. On the EVIE Sensor, remove the rubber plug (G) on the underside
   and check there are two CR2032 batteries (H) installed

3. On your WX8, turn the dial to OFF

4. Press and hold START for 5 seconds until the LEDs of ZONE 1 and 2
   both flash, alternating between red and blue (for 20 seconds only)

The next step must be completed in the first 20
seconds while the LEDs are still flashing

If you run out of time it is possible to attempt the process again

5. On the EVIE Sensor, press and hold the internal button (I)
until the WX8 LEDs of ZONE 3 and 4 are alight

If the pairing succeeds, these LEDs will be blue

If the pairing fails, these LEDs will be red

6. After pairing is successful, on the WX8, turn the
dial to RUN to exit the pairing mode

7. Wait at least one minute for the Holman Home to show EVIE Sensor
is connected to the WX8 in the DEVICE INFORMATION screen (J)
8. Replace the rubber plug back into EVIE Sensor (G)
9. Follow the instructions for CHECKING YOUR EVIE SENSOR as listed overleaf
10. Re-install your EVIE Sensor as per the INSTALLATION instructions overleaf

For additional pairing help, please visit
https://www.holmanindustries.com.au/ to access additional
support pages or contact our Customer Service team

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