Rinnai Zen I24 User And Installation Manual page 14

1.4.2 HEATING FUNCTION ( CH )
The heating function will also be mentioned as CH.
Using the Rinnai WiFi room thermostat, it is possible to choose between one of the two heating modes: by pressing
the button of fig.1, on the right side of the WiFi thermostat, you select the desired heating mode and the relevant
symbol appears on the display. To change the heating mode, it is necessary that the heating function is deactivated
(the display must appear empty).
•
'Space-heating' mode:
the Rinnai remote control is equipped with a temperature sensor that
constantly monitors the temperature of the environment in which it is
installed.
The boiler mantain the room heated according to the temperature set on the
remote control: when the temperature detected in the room is higher/lower
than the set temperature, the boiler stops/activates accordingly. The preset
temperature is 22°C; it is possible to select temperatures ranging from 5°C
to 40°C.
The room thermostat should be installed in an optimum location in the dwelling,
typically the hallway.
•
'Flow-heating' mode (default setting):
The Rinnai remote control allows you to adjust the flow temperature of the heating system. When the measured
temperature is higher/lower than the set temperature, the boiler stops/activates accordingly. The preset temperature
is 55°C; it is possible to select temperatures ranging from 35°C to 80°C. the boiler should be left at the temperatures
set by the commissioning installer/engineer.
Heating temperature setting
To set the heating temperature follow the procedure:
•
Press once the heating mode button (1):
a 'beep' is heard and the button
temperature value previously selected is flashing;
the boiler fires and the display shows the icon
burner is on;
when the set temperature is achieved, the boiler switches the burner
off and the icon of the flame is no more displayed.
•
Rotate the adjusting dial (2) to modify the desired set temperature.
To deactivate the heating function of the boiler follow the procedure:
•
Press once the heating mode button (1):
a 'beep' is heard and the button
value.
To verify the real water delivery temperature of the heating system (this may differ from the set temperature)
it is necessary to keep the thermostat knob pressed for three seconds: the display shows the real value for
NOTE
ten seconds and then returns to normal display.
During normal operation, the boiler can operate at a pre-set regime which is particularly favorable
for the reduction of polluting emissions and fuel consumption; during this operation the boiler
operates at its maximum energy efficiency and the green "Eco" symbol shown on the side appears
on the display.
PUSH
lights up; on the display the
as soon as the
turns off; the display does not show anymore the heating temperature
14
Room
temperature
sensor
Fig.1
PUSH
Heating
mode
button