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1.3 OPERATION
The Rinnai water heater is able to supply hot water at a constant temperature, making sudden changes that result
from the simultaneous use of several users or from variations in the temperature of the cold water used to feed the
appliance (pre-heated water from solar panels, etc).
To maximize these benefits, increasing comfort and reducing consumption, Rinnai recommends setting the appliance
to the minimum temperature most suitable for the intended use and using hot water without mixing with cold water.
The Rinnai instantaneous water heaters do not have a ‘pilot flame’.
The opening of any tap will immediately activate the electronic ignition:
as soon as the water flows through the appliance, the burner is turned
on by an electronic system; when the tap is closed and the water flow
stops, the appliance completely switches off the burner flame.
Inside the appliance, the water temperature is monitored by several
integrated sensors: when the hot water temperature exceeds 3°C the
set value, the ‘In Use’ indicator on the control switches off. This
means that the appliance burner is switched off and that the water is
no longer heated until the temperature has dropped below this value.
All Rinnai water heaters are equipped with a control panel for general
appliance control, hot water temperature selection and diagnostic
functions. The control panel allows you to have full control over the
appliance and to adapt it in a simple and immediate way to the use of
hot water according to your needs.
In the indoor models, the control panel is integrated on the front panel of the appliance and cannot be removed; in
the outdoor models, the control panel is available as a remote control to be connected to the appliance by means of a
cable that can be remotely installed in a domestic environment.
The outdoor models can operate without connecting the remote control: the operation of the appliance remains the
same as described previously, but the water heater works at a fixed temperature and it is not possible to change the
value to adapt it to different needs.
To be able to control the device from different environments, more conveniently, you can add three additional remote
commands to the initial configuration, for a maximum of four control panels. Additional remote controls are optional
accessories. However, only one control panel can be set as ‘Master’ (or main): normally this is the one placed in the
kitchen is selected. The additional control panels are automatically designated as ‘Sub’ (or secondary) commands and
are usually installed in environments such as the bathroom, the laundry, etc.
The maximum temperature available for secondary controls is always limited to 50°C from the system: this is to ensure
maximum comfort of use and above all to prevent the risk of burns during use in the environments in which they are
installed.
All control panels are individually programmable, although the appliance only heats the water at one temperature at
a time.
Indoor model
Outdoor model
Standard remote
controller (MC-601)
Control panel
Control panel
OPEN
ON
Cold
Hot
CLOSED
OFF
Cold
Hot
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