8
D. Programmer operation modes
Selector 1 on the programmer sets the following boiler operation
modes:
I
permanently ON mode (the selected channel or channels
are always active)
AUTO operation through programmed setup (the two channels, 1
and 2, are activated or deactivated following the
programmed setup; please see paragraph C for
programming procedure)
O
permanently OFF mode (the selected channel or channels
are always off)
Permanently ON mode (I)
In order to have one channel always active, proceed as follows:
Position selector 1 to position I, press once button 6 to activate
channel 1, press it twice to activate channel 2; the selected channel
will flash for 3 secs (indicator
3
), after that it will be displayed fixed
and
symbol will be displayed (indicator 4), now the channel will
remain permanently active.
Selector 1 must remain set to position I.
In order to have both channel active, repeat the above described
procedure, by selecting the channel not previously activated. Indi-
cator 3
will display 1 and 2, confirming activation of both channels
When only one of the channel is permanently activated, the other
channel is operative following its programmed setup (please, see
paragraph C for detailed programming procedure).
In order to cancel the permanent activation of channels, set se-
lector 1 to AUTO.
Operation through programmed setup (AUTO)
This mode allows for channels to be active or inactive following the
programming setup (please, see paragraph C for programming
procedure).
When an ON/OFF interval is active,
symbol (indicator 4) and the
number of the active channel are displayed (indicator 5).
Permanently OFF mode (O)
When one channel is to be always inactive, proceed as follows:
Set selector 1 to position O, press once button 6 in order to select
channel 1, press it twice in order to select channel 2; the selected
channel will flash (indicator
3), do not press any button for 3 secs,
now the channel will be permanently inactive (indicator 3 will keep
flashing the selected channel).
Selector 1 is to be kept in position O.
In order to set both channel inactive, repeat the above described
procedure by selecting the channel that was not previously cho-
sen.
Indicator 3
will flash 1 and 2, confirming de-activation of both chan
-
nels.
When one channel is permanently deactivated, the other channel
operates following its programmed setup (please, see paragraph C
for detailed programming procedure).
In order to cancel the permanent de-activation of channels, set se-
lector 1 to AUTO.
It is also possible to permanently activate one channel and perma-
nently de-activate the other.
In order to implement the above described program, proceed as
follows:
set selector 1 to position I, press once button 6 in order to activate
channel 1, press it twice in order to activate channel 2; the selected
channel will flash for 3 secs (indicator
3), after it will be displayed
fixed and
symbol will be displayed (indicator 4), now the chan-
nel will be permanently active.
Rapidly set selector 1 to position O, without stopping in position
AUTO, press once or twice button 6 to select the channel to be per-
manently deactivated; the selected channel will flash (indicator
3),
while the previously activated channel will continue to be displayed
fixed, and
symbol will remain on (indicator 4), do not press any
button for 3 secs, now the channel will remain permanently deacti-
vated (indicator 3
will keep flashing the selected channel).
E. SKIP function programming procedure
The SKIP function (program skipping) allows to change the ope-
rational status of the programmer from ON to OFF and vice-versa,
after pressing button 6. the SKIP function stays active until the next
programmed intervention. The activation of the function is displayed
by the
symbol.
In order to deactivate the SKIP function, press again button 6. The
SKIP function is active only when the programmer is set to AUTO
mode.
The
symbol is displayed to show the boiler ON status (indicator 4).
Technical characteristics
Power supply: 220-240V approx. 50/60Hz
Relay output: 2 x 5A; 250V approx. single poled contact
Lithium battery maintaining program memory for 5 years
Minimum commutation intermission: 1 minute
1.2.4. Boiler shutdown
When the boiler malfunctions, the burner is automatically shu-
tdown.
Please, see the troubleshooting section in this manual, for possible
shutdown cause detection.
1.2.5 Burner shutdown
When the burner malfunctions, the boiler automatically shuts down
and light 1 turns on.
Should this happen, proceed as follows:
• check the gas stopcock to be open, and the presence of gas in the
network pipes, by lighting the burner of a kitchen stove.
• after verifying gas supply availability, reset the burner by pres
-
sing button 16 on the control panel: should the boiler not resume
operation within the third attempt, have the boiler serviced by an
Authorized Service Centre or qualified personnel.
Should the burner shut down frequently, showing a recurring mal-
function, have the boiler serviced by an Authorized Service Centre
or qualified personnel.
1.2.6 Shutdown due to overheating
Should the overheating red light 2 come on, signalling the safety
thermostat intervention due to a malfunction, contact an Authorized
Service Centre or qualified personnel for service.
1.2.7 Shutdown due to air/flue gas system malfunction
Should a malfunction occur, causing air intake and/or flue gas di
-
scharge system failure, the boiler stops operating.
Natural draught boiler model (BTN) shuts down, no. 9 red light star-
ts flashing, and this boiler status continues until correct air/flue gas
system correct operation is restored and reset button 19 is pres-
sed.
Forced draught boiler model (BTFS) stands-by, and this boiler sta-
tus continues until correct air/flue gas system correct operation is
restored.
WARNING
The only solution to this condition is accessible by having the
boiler serviced by qualified personnel or an Authorized Servi
-
ce Centre.
