Beretta CIAO AT User Manual

13
ENGLISH
USER GUIDE
Depending on the type of application, some of the functions described in this manual might not be available.
5 CONTROL PANEL (see "3.14 Control panel")
RESET
+
+
-
-
MODE
6 COMMISSIONING
- Position the system’s master switch to the “on” position.
- Open the gas tap to allow fuel to fl ow.
6.1 Ignition
To start up the boiler, proceed as follows:
- power the boiler
- open the gas tap to allow fuel fl ow
- adjust the room thermostat to the required temperature (~20°C).
After ignition, the boiler is in standby mode until the burner ignites following a demand for
heat. Burner ignition is indicated by the
symbol on the display.
The level bar indicates whether the boiler is operating with a modulation range of 0 to 50%
=
or 51% to 100% = .
The boiler continues to function until the temperatures set on the boiler are reached, or the
heat request terminates; it will then go back to standby.
In the event of shutdown due to a fault, the digital display will show the relevant error code
and, in the case of a non-volatile error, the fl ame lockout symbol
.
6.2 Operating modes
- Repeatedly pressing the MODE button displays in sequence the possible operating
modes:
- OFF ● WINTER ● SUMMER ● CH ONLY (DO NOT SET THIS CONFIGURATION)
OFF
MODE
M
OD
E
WINTER
MODE
M
OD
E
SUMMER
Winter: press MODE until you see . The boiler is ready to supply both DHW and
CH. The digital display indicates the CH water temperature.
Summer: press MODE until you see . The boiler supplies only domestic hot water. The
digital display normally indicates the outlet temperature, and in the event of DHW demand
the temperature of the DHW.
OFF: to switch off the boiler press the MODE button until you see OF on the display. For
further details see "4.6 Temporary switch-off".
- Adjusting the CH water temperature
To adjust the CH water temperature, press the CH+ button to increase the value, CH- to
decrease it, within the CH setpoint limits (30°C - 80°C).
+
-
During a CH demand the symbol fl ashes on the display until the demand is met.
- Adjusting the domestic hot water temperature
To adjust the DHW temperature, press the DHW+ button to increase the value, DHW- to
decrease it, within the DHW setpoint limits (35°C - 60°C).
+
-
During a DHW demand the symbol fl ashes on the display, alternating with the letters
SA, until the demand is met.

Beretta CIAO AT Specifications

General

Brand	Beretta
Model	CIAO AT
Category	Boiler
Language	English