Ariston INTESA TP23 User Manual, Installation & Servicing Instructions - Page 4

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Winter and Summer Operating Modes
In the 'winter operating mode', the boiler will
produce both Central Heating and Domestic
Hot Water. In the 'summer operating mode', the
boiler will produce only domestic hot water.
Press button "F" to select winter mode. The
green LED "G" will illuminate.
Adjusting the Heating
It is possible to set the temperature of the
heating system by adjusting the knob "B".
By positioning the indicator somewhere
between MIN and MAX, a temperature may
be obtained which varies from approximately
42˚C to about 82˚C.
External (Room) Thermostat Control
If an external (room) thermostat is installed, it is recommended
that the temperature of the heating system be set by means of
the knob "B", leaving it at MAX position in order to obtain the
best performance from the boiler and to allow the regulation of
the external temperature to function efficiently.
Setting the Hot Water for Domestic Use
Both in the winter and summer mode, the temperature of the
domestic hot water may be adjusted by rotating the knob "C". A
delivery temperature for the water may be
selected between approx. 36˚C to 54˚C,
depending on the flow rate of the water and
the position of the knob between MIN and
MAX settings. N
: Should the Domestic
OTE
Hot Water not be hot enough, it may be
necessary to slow the flow rate from the
hot water outlet being used.
Turning Off the Central Heating
To turn off the Central Heating, press the Central
Heating button "F"; the respective green LED "G"
will go off. The boiler will stay in summer mode,
only providing Domestic Hot Water
Turning Off the Boiler
To turn the boiler off, press the button "A"; the
respective green LED "K" will go off.
Supplied By www.heating spares.co Tel. 0161 620 6677
3. Boiler Shutdown Situations
The boiler is equipped with safety devices that intervene in cer-
tain situations and shut it off. Most of these situations are commu-
nicated by means of the LED's and at times the user may be able
G
to remedy them.
Shutdown Due To Ignition Failure
F
In the event that the automatic ignition of the
burner has failed, the red LED. "I" will illumi-
nate. In order to reset the ignition, the button
"J" must be pressed and released. Should the
boiler fail to ignite a second time, check that the
external gas cock is open. If the problem per-
sists,
I
MPORTANT
resetting each time.
Shutdown Due To Overheating
In the event that the safety limit is exceeded for
B
the temperature of the water in the boilers
exchanger, the thermostat shuts off the boiler
and the red LED "I" illuminates.
To remedy this situation, wait a few minutes to
allow the exchanger to cool down, then press
and release the reset button "J".
If this situation occurs frequently, contact a
local Service Agent.
Temporary Shutdown Due To Defective
Discharge of Exhaust Fumes
The boiler is fitted with safety devices, which in the event of a
defective discharge of exhaust products, automatically interrupts
the gas supply, thereby shutting off the boiler.
C
The shut-off of the boiler is temporary and is indicated by the illumi-
nation of the yellow L.E.D. "H" for a period of about 15 minutes.
Once this time period has passed and the discharge state of
exhaust system has returned to normal, the boiler automatically
turns back on.
I
MPORTANT
If this situation occurs frequently, contact a local Service Agent so
that they may check that the exhaust fumes are being expelled
correctly, that the flue is installed correctly and that the area is
ventilated properly.
G
F
K
A
4
contact
a
local
Service
!! Always wait 2 minutes before
!
I
Agent.
J
I
J