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WATER CONTROLLER OPERATION
SMARTSTART PRE-HEAT SYSTEM
The "Preheat" function is only available on Rinnai water heater models installed in conjunction
with the optional Rinnai "Smartstart®" module�
NOTE
7
9
2
1
Preheat Button
1
Used to start and stop Smartstart preheater
3
Digital Monitor
5
Priority Indicator
Water Heater "In Use" Indicator
7
9
Water Heater On Indicator
Preheat Function
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.
Preheat Operation
1.
Ensure that the hot water unit is on (temperature digits are displayed in the digital monitor
one water controller is fitted press the 'Priority Transfer' button
controller. The 'Controller Priority' indicator
water controller and that the hot water unit is ready to deliver hot water.
1.
Select the desired temperature using the 'Temperature Control' buttons
displayed in the digital monitor
2.
Press the 'Preheat' button
signifying that the preheat system has been activated.
3.
Wait approximately two minutes before opening an outlet. This will allow the water in the pipework to be
warmed.
The waiting time may be longer or shorter than two minutes depending on your particular
installation configuration.
NOTE
The preheat function is completed 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.
Water Controller Functions
Water controller functions such as temperature control and transfer of priority between multiple controllers are not
affected by the operation of the preheat. Such functions are described in the applicable sections of this manual.
Rinnai
3
5
6
8
2
5
8
1
4
6
5
will illuminate to confirm that priority has been assigned to this
3
.
once. The 'Preheat' indicator
1
12
Preheat Indicator
2
Indicates that Smartstart preheater is activated*
4
On/Off button
6
Temperature Control Buttons
Priority Transfer Button
8
to pass on priority to your desired water
8
until the required temperature is
6
and the 'In Use' indicator
2
7
9
4
3
3
). If more than
will illuminate,
7
HW_CF OIM
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