Standard Controller Functions - Rheem 874 Series Manual

°C
10L
X

STANDARD 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.
on / off operating light – The on / off operating light on the on / off ( ) button will glow when the controller is
priority light –
in use light –
display panel –
up () button –
8 8
down () button –
water volume (
water volume operating light – The water volume operating light on the water volume (
water volume symbol – The x 10L symbol below the display panel glows when the water volume function is
TEMPERATURE CONTROL – STANDARD
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.
turned on.
The light will go out when the controller is turned off.
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.
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 x 10L symbol
glows when the water volume is displayed.
The up () button increases the temperature and water volume settings.
"Temperature Adjustment – Standard Controller"
Refer to
°C
The down () button decreases the temperature and water volume settings.
10L
X
"Temperature Adjustment – Standard Controller"
Refer to
Function".
) button (Kitchen controller only) – This feature enables an alarm to sound when a set
volume of water has flowed through the water heater.
"Water Volume
Refer to
when the water volume (
on.
The light will go out when the water volume (
water volume function is turned off.
turned on and the water volume is displayed.
°C
8 8
10L
X
°C
8 8
10L
X
°C
8 8
10L
X
Function".
) button is pressed and the water volume function is turned
"Water Volume
and
8 8
X 10L
°C
8 8
X 10L
) button is pressed and the
°C
) button will glow