Start-Up - Beretta Idrabagno Lx 11Serie Manual Del Instalador Y Usuario

ENGLISH
on/standby status.
B
If no action is taken, once 2 minutes have passed the appliance exits the
menu and returns to the normal operation screen.

4.4 Start-up

personnel.
The following checks and operations must be carried out:
- check that the fuel shut-off and water taps of the water system are open
- set the system's master switch to "on".
The appliance is powered and is normally off.
ent on the display, it remains on for 10 seconds, then it blinks 5 times and
switches off for 5 seconds. After which the sequence for switching on
the segments restarts. In this way the appliance ignores every ignition
request.
-
All the icons on the display appear for 2 seconds. After which only the
icons regarding the current operating mode stay on.
In ON mode, the appliance is on with the possibility of producing domestic
hot water.
If there is no domestic hot water request, the water heater goes into
stand-by.
every 2 seconds a segment to compose the writing "Sb".
22
When "Sb" is visible on the display, it remains on for 10 seconds, then
it blinks 5 times and switches off for 5 seconds. Then the activation se-
quence of the segments restarts.
In stand-by, if the temperature measured by the domestic hot water probe
is > 65°C the fan is started. When the temperature drops below 65°C the
fan remains powered for another minute and then is switched off.
Fig. 5
Domestic hot water pick-up
- Open a domestic hot water tap. Once the time set in the parameter
the display shows the tap symbol and the delivery temperature of the
-
symbol is shown on the display.
- The appliance will produce domestic hot water at the temperature set
in the parameter "Domestic hot water maximum setpoint" (see table of
- When the water tap is shut-off, the boiler switches off and prepares for
the next start-up.
The switching on and off of the burner is managed in two modes:
- absolute: burner switching off threshold at 70°C
- correlated: burner switching off threshold when the setpoint of +4°C is
reached.
Fig. 6
The switching back on point is the same for both modes and is the set-
point -1°C.
Fig. 7
CHANGING THE DOMESTIC HOT WATER SETPOINT
- Pressing the "+" or "-" key it is possible to change the setpoint for the
-
domestic hot water. With the "+" key the value increases, with the "-"
-
key it decreases.
Fig. 8
If there is a fault the water heater carries out a "STOP" (see section Op-
Fig. 9
Fig. 10
Fig. 11