Rheem Integrity 20 Owner's Manual And Installation Instructions page 8

TEMPERATURE CONTROL
FUNCTIONS OF ALL CONTROLLERS
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 –
priority light –
in use light –
display panel –
(up button) –
(down button) –The down button decreases the temperature setting (refer to
water volume button (Kitchen controller only) – This feature enables an alarm to
SILENCING A CONTROLLER
The controller emits a sound whenever a button is pressed. This sound can be
turned off to provide silent operation. To turn off the sound:
Press the on/off button, to deactivate the controller (on/off light is off).
Press and hold the up ( ) button.
Press the on/off button, whilst the up ( ) button is pressed.
The sound for the controller is deactivated. Repeat this procedure if you wish to
deactivate the sound on the other controllers. To restore the sound, repeat this
procedure.
This button must be pressed once to turn on the controller. The
light in the button will glow when the controller is on. 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.
This light will glow on a controller when that controller has priority.
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.
This light will glow on all controllers, whether they are on or off,
when hot water is flowing, regardless of which controller has
priority.
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.
The up button increases the temperature setting (refer to
Temperature Adjustment on page 7).
Temperature Adjustment on page 7).
sound when a set volume of water has flowed through the water
heater (refer to Water Volume Function on page 12).
8