Smartstart Pre-Heat System; Preheat Function; Preheat Operation; Water Controller Functions - Rinnai REU-AM2626WDL Operation & Installation Manual

SMARTSTART PRE-HEAT SYSTEM

The "Preheat" function works in conjunction with various Rinnai water heater models when the separately installed
and optional Rinnai "Smartstart®" module is installed�
7
2
1
5
8

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�
2� Select the desired temperature using the 'Temperature Control' buttons
displayed in the digital monitor
3� Press the 'Preheat' button
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�
The waiting time may be longer or shorter than two minutes depending on your particular
installation configuration.
NOTE
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�

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
1
3
2
6
9
4
3
4
5 will illuminate to confirm that priority has been assigned to this
�
3
1 once� The 'Preheat' indicator
11
WATER TEMPERATURE CONTROL
PREHEAT
BUTTON
Used to start and stop
Smartstart preheater.
PREHEAT
INDICATOR
Indicates that Smartstart
preheater is activated*
DIGITAL
MONITOR
ON/OFF
BUTTON
to pass on priority to your desired water
8
6 until the required temperature is
2 and the 'In Use' indicator
CONTROLLER
5
PRIORITY INDICATOR
TEMPERATURE
6
CONTROL BUTTONS
WATER HEATER
7
'IN USE' INDICATOR
PRIORITY
8
TRANSFER BUTTON
WATER HEATER
9
ON INDICATOR
3 ). If more than
7 will illuminate,
HW_CF OIM