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Rinnai Australia 15 Operation Manual
SMARTSTART® PRE-HEAT OPERATION
ABOUT THE SMARTSTART® PREHEAT SYSTEM
Preheat Function
The “Preheat” function works in conjunction with various Rinnai water heater models and the
separately installed and optional Rinnai “Smartstart®” module.
When the “Preheat” function is activated and used in accordance with these instructions, water in the
pipework connected between the water heater and the hot water outlets in your house is warmed
before any outlets are opened. This results in water savings and added convenience.
The “Preheat” function is activated as follows:
1. Ensure that the hot water unit is on (temperature digits are displayed in the digital monitor ).
If more than one controller is fitted press the ‘Transfer’ button to pass on priority to your
desired controller, the ‘Controller On’ indicator will illuminate to confirm that priority has been
assigned to this controller and that the hot water unit is ready to deliver hot water.
2. Select the desired temperature using the 'Temperature' buttons until the required
temperature is displayed in the digital monitor .
3. Press the ‘Preheat’ button once. The ‘Preheat’ indicator and the ‘In Use’ indicators
will illuminate, signifying that the preheat system has been activated.
4. Wait approximately two minutes before opening an outlet. This will allow the water in the
pipework to be warmed.
Other Controller Functions
Controller functions such as temperature control and transfer of priority between multiple controllers
is not affected by the operation of the preheat. Such functions are described in the applicable sections
of this manual.
The waiting time may be longer or shorter than two minutes depending on your
particular installation configuration.
The “Preheat” function is cancelled 5 minutes after activation and the ‘Preheat’
indicator will go out. This is to conserve energy. To reactivate, simply repeat
steps 2-4 above.
* If the ‘Preheat’ button is pressed and the ‘Smartstart®’ preheat unit is not
installed, the ‘Preheat’ indicator will still light but there will be no “Preheat”
function. The ‘Preheat’ indicator will go out after a short time and will not affect the
other functions of the water controller or water heater.
After using the Shower Saver / Bath Fill function wait 30 seconds before
activating the “Preheat” function. Attempting to use the “Preheat” function
earlier will result in voice prompts being repeated until the system is reset. The
system can be reset by pressing the ‘On /Off' button twice.
DIGITAL
MONITOR
Indicatesthat'Smartstart®'
preheater is activated*
PREHEAT INDICATOR
2
5
8
1
2 3
ON/OFF
BUTTON
4
CONTROLLER ON
INDICATOR
5
TEMPERATURE
BUTTONS
6
WATER HEATER
'IN USE' INDICATOR
7
TRANSFER
BUTTON
8
Usedto start and stop 'Smartstart®'
preheater.
PREHEAT BUTTON
1
1
6
2
8
2
1
8
5
4
4
6
3 3 47 75 3 7
6
3
8
5
6
3
1
2
7
NOTE
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