9
RESET
MENU
136°F
OK
MODE
− When there is a heat request and the boiler has ignited, the
“
” icon appears on the display. The boiler will start-up and
continue working until the set temperatures are reached,
after which it will then go back to standby.
AIR PURGING FUNCTION
9
NOTICE:
Each ti
me the boiler is started up an automatic air
purging cylce is carried out; lasting 2 min. When the air
purging is in progress, all heat requests are inhibited and
the sliding “AIR PURG.” message appears
.
RESET
MENU
AIR P
OK
MODE
DHW ONLY
:
press
the “
MODE/OK” button
until the faucet
symbol appears to select the DHW ONLY mode
, the domestic hot
water mode is now activated.
The display normally shows the
DHW temperature
.
RESET
MENU
136°F
OK
MODE
CH&DHW
:
press
the “
MODE/OK” button repeatedly to select
both the faucet and radiator symbol indicating the boiler is in
the CH (central heating) & DHW (domestic hot water) mode
, the
central heating and domestic hot water modes are now both
active. The display normally shows the domestic hot water
delivery temperature unless a call for central heating is made in
which case it will show the actual supply temperature to the
heating system.
RESET
MENU
136°F
OK
MODE
4.8 ADJUSTING THE HEATING WATER TEMPERATURE
WITHOUT AN OUTDOOR TEMPERATURE SENSOR
CONNECTED
When there is no outdoor temperature sensor, the boiler
operates at a fixed setpoint. If the central heating mode is
active, to adjust the central heating temperature rotate the
knob until the “ ” symbol highlighted. Rotate the knob to
change the setpoint value.
After few seconds the value will be confirmed automatically.
9
CAUTION:
Adjusting your maximum heating setpoint
past the design temperature of your heat emitters may
cause minor injuries or property damage. Consult with
the installing service agency regarding proper design
temperatures before adjusting.
RESET
MENU
172°F
OK
MODE
4.9 ADJUSTING THE HEATING WATER TEMPERATURE
WITH AN OUTDOOR TEMPERATURE SENSOR
CONNECTED
When an outdoor temperature sensor is installed, the outlet
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
automatically calculated by the electronic board, it is possible
to change the central heating setpoint by rotating the knob
with the “
”
symbol and selecting within the range (0-10) the
desired comfort level (see section
“10.13 Setting the outdoor reset
curve with an outdoor sensor” page
).
Note: when there is an outdoor temperature sensor connected
it is still possible to have the boiler operate at a fixed setpoint by
setting the values of the MINIMUM CH SETPOINT and MAXIMUM CH
SETPOINT at the desired HEATING setpoint
.
9
CAUTION:
Adjusting your maximum heating setpoint past the
design temperature of your heat emitters may cause minor
injuries or property damage. Consult with the installing
service agency regarding proper design temperatures before
adjusting.
4.10 ADJUSTMENT OF THE DOMESTIC HOT WATER
TEMPERATURE
To adjust the domestic hot water temperature (bath, shower,
kitchen, etc.) rotate the knob with the “ ” symbol. Rotate the
knob to change the setpoint value.
After few seconds the value will be confirmed.
RESET
MENU
114°F
OK
MODE
