Beretta MySmart 28 C.S.I. Installer And User Manual page 11

4.3 Switch-off
Temporary switch-off
In the event of absence for short periods of time, set the mode selec-
tor (fig. 36) to (OFF).
In this way (leaving the electricity and fuel supplies enabled), the
boiler is protected by the following systems:
Antifreeze: when the temperature of the water in the boiler drops
below 5°C the circulator starts and, if necessary, the burner at mini-
mum output to bring the water temperature to safety values (35°C).
During the anti-frost cycle, the symbol
digital monitor.
Circulator antiblocking: an operation cycle is activated every 24 h.
Switching off for long periods
In the event of absence for long periods of time, set the mode selec-
tor (fig. 36) to (OFF).
Turn the main system switch OFF.
Turn off the fuel and water taps of the heating and domestic hot water
system. In this case, anti-frost device is deactivated: empty the sys-
tems, in case of risk of frost.
4.4 Faults
BOILER STATUS
Off status(OFF)
Stand-by
ACF alarm lockout module
ACF electronics fault alarm
Limit thermostat alarm
Tacho fan alarm
Water pressure switch alarm
NTC domestic water fault
NTC heating outlet fault
Heating outlet probe over-temperature
Outlet/return line probe differential alarm
NTC heating return line fault
Heating return line probe over-temperature
Outlet/return line probe differential alarm
Cleaning the primary heat exchanger
NTC flue gases fault
Flue gases probe over-temperature
Parasite flame
Low temperature system thermostat alarm
Exceeded the maximum number of RESET by remote control
(Reset possible only by boiler control panel)
Temporary pending ignition
Water pressure switch intervention
Calibration service
Calibration installer
Chimney sweep
Vent cycle
Pre-heating enabled
Preheating heat request
External probe presence
Domestic water heat request
Heating heat request
Antifreeze heat request
Flame present
(fig. 38) appears on the
DISPLAY
OFF
-
A01
A02
A03
A04
A06
A07
A08
A09
A11
A77
A99
80°C flashing
flashing
ADJ
ACO
P
P flashing
60°C
80°C
MySMART C.S.I.
TYPES OF ALARMS
None
Signal
Definitive lockout
Definitive lockout
Definitive lockout
Definitive lockout
Signal
Temporary stop
Temporary then definitive
Definitive lockout
Temporary stop
Temporary then definitive
Definitive lockout
Signal
Temporary stop
Temporary then definitive
Temporary stop
Temporary stop
Definitive lockout
Temporary stop
Temporary stop
Signal
Signal
Signal
Signal
Signal
Signal
Signal
Signal
Signal
Signal
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