Specifications

TEMPERATURE CONTROL
12
CONTROLLER FUNCTIONS
If one or more controllers are installed, at least one must be on for the water heater to operate. If all
controllers are off, the water heater will only deliver cold water.
on / off button – This button must be pressed once to turn on the controller.
A controller cannot be turned on if water is flowing from a hot tap.
To turn off a controller, press the on / off button once. The light will go out.
A controller can be turned off whilst water is flowing.
on / off operating light – The light in the on / off button will glow when the controller is turned on.
The light will go out when the controller is turned off.
priority light – This light will glow on a controller when that controller has priority.
The Bathroom controller(s), if they are turned on, have priority over the Kitchen
controller.
Priority means that controller has control of the water heater temperature setting.
The water temperature setting can only be adjusted by the controller that has priority.
in use light – This light will glow on all controllers, whether they are on or off, when hot water is
flowing, regardless of which controller has priority.
display panel – The current temperature setting is displayed on all controllers (whether hot water is
flowing or not), when any controller is on.
If all controllers are off, then the display remains blank.
The water volume can also be displayed on the Kitchen controller. The x10l symbol
glows when the water volume is displayed.
 (up button) – The up button increases the temperature setting.
Refer to “Temperature Adjustment” on page 15.
 (down button) – The down button decreases the temperature setting
Refer to “Temperature Adjustment” on page 15.
water volume button (Kitchen controller only) – This feature enables an alarm to sound when a set volume
of water has flowed through the water heater
Refer to “Water Volume Function” on page 20.
water volume operating light – The light in the water volume button will glow when the water volume button
is pressed and the water volume mode is turned on.
The light will go out when the water volume button is pressed and the water volume
mode is turned off.
water volume symbol – The x10l symbol below the display panel glows when the water volume mode is
turned on and the water volume is displayed.