10
11
D) Timer operating modes
The programmable timer has 3 operating modes, they are available
through selector 1.
I
permanently ON mode (the channel, or the channels
selected are always active)
AUTO
operation follows the programs (the channels, 1 and 2, are
activated and de-activated following the programs (see C
paragraph for programming procedure)
0
permanently OFF mode (the channel, or the channels
selected are always inactive)
Permanently ON mode (I)
Proceed as follows in order to set one channel always active:
Position selector
1
to I, press button
6
once to activate channel
1
,
twice to activate channel
2
; the selected channel will flash for three
seconds (indicator
3
), after that it will be displayed fixed and symbol
will be displayed (indicator
4
), now the channel is permanently
active. Selector
1
is to remain set to I.
When both channels are to be set always active, repeat the above
procedure and select the channel which was not previously set. In-
dicator
3
will confirm permanent activation of both channels by di-
splaying digits
1
and
2
.
When only one channel is set to be permanently active, the other
channel follows the set programs (see C paragraph for programming
procedure).
In order to stop permanent activation of the channels, position se-
lector
1
to
AUTO
.
Program operation mode (AUTO)
The channels activate and deactivate following the programs (see C
paragraph for programming procedure).
When a programmed start time is active, the symbol
(indicator
4
)
and the active channel (indicator
5
) are displayed.
Permanently OFF mode (0)
Proceed as follows in order to set one channel always inactive:
Position selector
1
to
0
, press button
6
once to select channel
1
,
twice for channel
2
; the selected channel will flash (indicator
3
), do
not press any other button for three seconds, now the selected chan-
nel will remain permanently inactive (indicator
3
will keep flashing the
selected channel). Selector
1
is to remain set to position
0
.
Should it be needed to set both channels always inactive, repeat the
above procedure for the channel not previously involved. Indicator 3
will keep flashing digits
1
and
2
, confirming both channels are inac-
tive.
When only one channel is set to be permanently inactive, the other
channel follows the set programs (see
C
paragraph for programming
procedure).
In order to stop permanent de-activation of the channels, position
selector
1
to
AUTO.
It is possible to permanently activate one channel and permanently
de-activate the other.
Proceed as follows:
position selector
1
to I, press button
6
once to select channel
1
, twice
for channel
2
; the selected channel will flash for three seconds (indi-
cator
3
), afterward it will be displayed fixed and symbol
will ap-
pear (indicator
4
), now the channel is permanently active
Quickly move selector
1
to
0
, without stopping in
AUTO
, press but-
ton 6 once or twice to select the channel to be permanently de-acti-
vated; the chosen channel will flash (indicator
3
), while the previously
activated channel will keep being displayed fixed and symbol � will
keep being shown (indicator
4
), do not press any other button for
three seconds, now the channel will remain permanently inactive (in-
dicator
3
will keep flashing the selected channel).
E) SKIP function setting
The SKIP function (program by-pass) allows to change the operatio-
nal mode of the timer from ON to OFF and vice-versa, after pressing
button 6. Such function is displayed by the symbol
.
In order to activate or de-activate the SKIP function, press button 6
again.
The SKIP function is active only when the programmable timer is set
to AUTO.
The operational status is shown on the display by the
symbol
(indicator 4).
F) Technical characteristics
Electric connection: 220-
240Vca 50/60 Hz
Relay exit: 2 x 5A; 250Vca
single-pole contact
Lithium battery for program
memory in excess of 5 years
Minimum commutation time:
1 minute
Relays
CH1: ON/OFF switch (3-5)
CH2: ON/OFF switch (4-5)
1.2.4. “OPEN THERM” remote control programming (optional
equipment)
The heating units can be connected to an “Open Therm” remote con-
trol (option) supplied by the manufacturer.
In this instance the electronic timer (when available) has to have both
channels, 1 and 2, programmed as permanently ON (see 1.2.3 para-
graph);
The remote control allows for full management of the heating unit
(CH, DHW, CH and DHW flow temperatures, operation programs,
etc.) with the exception of the EXCHANGER TEMPERATURE MAIN-
TENANCE and CYLINDER ACTIVATION/DE-ACTIVATION, are to be
managed via the relevant adjusters/selectors: 12b (pic.1) for CYLIN-
DER function and 13b for EXCHANGER TEMPERATURE MAINTE-
NANCE function.
WARNING
When a Remote Control is connected, selector 11 is to be set to
COMFORT
and the programmable timer (when available) has
to have both channels, 1 and 2, programmed as permanently ON
(see 1.2.3 paragraph);
See 3.2.11 paragraph for “Open Therm” remote control installation
procedure.
See the “Open Therm” remote control own manual for programming
procedure
M
1
2
3
4
CH1
CH2
5
