Ariston ACO SERIES Manuale d'uso - Pagina 7
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G
C
LEFT
RIGHT
Comfort Function
The supply of water for domestic use can become more conven-
ient by means of the "COMFORT" function, which maintains the
secondary exchanger at a preset temperature when the boiler is
not running; thereby allowing a quicker delivery of domestic water
when required. This function is activated by pressing
the
button on the control panel. When the function is on, a
yellow L.E.D. "G" on the control panel will illuminate.
Note: If the "COMFORT" function is on during the pump overrun
period, it will be temporarily deactivated. The yellow L.E.D. "G"
will remain on to indicate that the boiler will resume the "COM-
FORT" mode once the pump overrun period is complete.
Periodic operation of the appliance will occur regardless of
demand on the boiler. This function is normal operation
Turning Off the Heating
Installation without an external thermostat:
To turn off the heating, turn the selector knob "C" to "
boiler will still provide domestic hot water.
Installation with an external thermostat:
To turn off the heating, turn the selector knob "C" to "
boiler will still provide hot water for domestic use. With an exter-
nal room thermostat, turn the dial of the thermostat down to the
frost setting.
Turning off the boiler
To turn the boiler off, push the button
off.
Display: Viewing Normal Functions
When the system is operating, i.e. while the boiler is fulfiling its normal
functions, the left-hand display will show a letter indicating the fol-
lowing functions:
No Request for Heat (Stand By)
0 0
Central Heating
C C
c c
Pump Overrun for Heating
d d
Water for Domestic Use
h h
Pump Overrun for Water for Domestic Use
The right-hand display (two-digit) shows:
- in heating mode: temperature of heating system flow;
- in domestic hot water mode: temperature of the DHW leaving
the boiler
". The
". The
; the display will go
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