Beretta MYNUTE X R Instrucciones De Instalacion Y Uso página 27

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The interface normally displays the delivery temperature unless there is a domestic hot
water request in progress, in which case the domestic hot water temperature is displayed.
ƒ When there is a heat request and the boiler is igniting, the icon
display.
Heating REQUEST, the radiator icon blinks:
SUMMER MODE (only with water tank connected)
ƒ Set the boiler to the SUMMER status by pressing key 1 until the domestic hot water
icon is displayed.
In this status the boiler activates the traditional function of just domestic hot water, the
interface normally displays the delivery temperature. In the event of a domestic hot water
pick up, the display shows the temperature of the domestic hot water.
Domestic hot water REQUEST, the tap icon blinks:
OFF
ƒ Set the boiler to the OFF status by pressing key 1 until the central segments are dis-
played.
8.2
Adjusting the heating water temperature without an outdoor
temperature sensor connected
If there is no outdoor temperature sensor the boiler operates at a fixed point, the HEATING
setpoint in this case can be set on the main page of the screen.
The successive pressing of the key C or D on the main screen displays the current value of
the heating setpoint; the value blinks with a frequency of 0.5 sec ON, 0.5 sec OFF and the
icons
and
come on.
+
The successive pressing of the key C or D allows you to set the value of the heating setpoint
within the preset range:
[40°C - 80.5°C] for high temperature systems
[20°C - 45 °C] for low temperature systems
with steps of 0.5°C.
The level bars beside the heating icon show the setpoint value set with respect to the op-
erating range:
- four bars on = max setpoint.
- one bar on = min setpoint
appears on the
Bar
DAY
C
+
D
RESET
MENU
Keeping one of the two keys C or D pressed for longer, the meter increases the speed of
advancement modifying the set value. If no key is pressed for 5sec, the value set is taken as
the new heating setpoint and the display returns to the main page.
8.3
Adjusting the heating water temperature with an outdoor
temperature sensor connected
If an outdoor temperature sensor is installed and thermoregulation is enabled (parameter
OTR=1), the delivery temperature is automatically selected by the system, which quickly
adjusts the ambient temperature according to the variations in the outdoor temperature.
If you want to change the temperature, raising it or lowering it with respect to that auto-
matically calculated by the electronic board, it is possible to change the HEATING setpoint
selecting the desired comfort level within the range (-5 - +5).
Note: if an outdoor temperature sensor is connected it is in any event possible to have the
boiler operate at a fixed point by setting the parameter OTR = 0 (menu CH).
8.4
Adjusting the domestic hot water temperature
A CASE: Only heating with no water tank - regulation not applicable.
B CASE: Only heating + external water tank managed by a thermostat - regulation not
applicable.
C CASE: Only heating + external water tank managed by a probe - to adjust the temperature
of the domestic hot water stored in the water tank, proceed as follows:
On the main screen, pressing the key A rather than B displays the current domestic hot
water setpoint, the value blinks with a frequency of 0.5 sec ON, 0.5 sec OFF and the icons
and
come on.
A
+
B
The successive pressing of the keys A or B allows you to set the value of the domestic hot
water setpoint raising or lowering the value within the preset range in steps of 0.5°C.
The level bars beside the heating icon show the setpoint value set with respect to the
operating range:
- four bars on = max setpoint
- one bar on = min setpoint
8.5
Safety stop
If there are ignition faults or boiler operation malfunctions, carry out a "SAFETY STOP". On
the display, in addition to the fault code, the icon
frequency of 0.5sec ON and 0.5sec OFF.
The backlight blinks for 1min after which it switches off, while the icon
On the 4 digits a message scrolls containing the error code and its description .
ENGLISH
+
RESET
MENU
is also displayed, which blinks with a
continues blinking.
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