On first operation follow these steps:
insert batteries as indicated and reset the chronostat
with a small tip through the hole (7).
6 buttons are present under the plastic door covering
the batteries, see Fig. 2:
’
’
programming;
’
’
setting the clock;
’
’
confirmation (5);
’
’
forward (4);
’
’
back (6);
’
’
accessible through hole (7) for
program
reset.
Three buttons are on the front, close to the display:
’
’ (manual),
’
’
(temperature-time),’ ’(On/Off).
Set the clock (Fig. 7), as follows:
1. Open the plastic door covering batteries.
2. Press the button ’
’ for at least 2 seconds.
3. Set the day with buttons ’
’ or ’
’.
4. Confirm with button ’
’.
5. Adjust current hour with buttons ’
’ or ’
’.
6. Confirm with button ’
’.
7. Adjust current minutes with buttons ’
’ or ’
’.
8. Confirm with button ’
’.
After 1 minute of inactivity on buttons, the
programmable thermostat will automatically exit the
programming mode.
Pressing for at least 3 seconds the button ’
’ (back)
the Heating mode is selected and the symbol ’
’
appears. Pressing for 3 seconds the button
’
’ (forward), the Cooling mode is selected and the
symbol ’ ’ appears.
When batteries are replaced, the heating or cooling
mode must be reprogrammed.
The selection of the programming mode is made using
the following buttons ’
’ (forward), ’
’ (back),
’
’ (confirmation) and ’
’ (programming, see Fig. 2).
To enter the programming mode the button ’
’ must be
pressed for at least 2 seconds: the display will show
one of the following day combinations:
press ’
’ (forward) or ’
’ (back) to change and ’
’ to
confirm.
After the confirmation of the day combination (with
’
’ button), a time period combination will flash on
the display.
Using the ’
’ (forward), ’
’ (back), ’
’ (confirmation)
buttons, one of 4 different combinations can be
selected: (from 1 per day minimum, to 4 per day
maximum):
After confirming the selected time period/s with the
’
’ button, the start and finish times can be changed
using the ’
’ (forward), ’
’ (back) and
’
’ (confirmation) buttons, in 15 minute steps.
Pressing the ’
’ button at any time, will exit the
programming mode.
Using the two dials (Fig. 3 and 4) adjust the comfort
’
’ (sun) and reduced ’
’ (moon) temperatures.
The comfort setting will operate when the time period
is shown in the display and the reduced setting
between the displayed time periods.
If the holiday programme is selected, the luggage
symbol ’
’ will flash: pressing the ’
’ button will allow
the normal programme to be delayed by up to 99 days
using the ’
’ (forward) and ’
’ (back) buttons. During
this period only the antifreeze setting will be in
operation.
The first four days are shown in hours, after which the
display will automatically switch to days.
When the antifreeze program is activated, the current
hour or day will be included: in this case (but only in
heating mode), the antifreeze temperature is displayed
and can be modified with the ’
’ (forward) or
’
’ (back) buttons.
Using the manual button (see Fig. 5 button 1) will
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Heating on
Cooling on
Comfort/Reduced
Override
Manual
Holiday
Day display
Time period display
Int. temp. probe
Batteries discharged
Ext. sensor
Comfort ’ ’
or Reduced ’ ’
2
programmed time period instead of turning the heating
on only at the start of the timed period.
The optimum start function will automatically turn on
the heating up to a maximum of one hour before the
start of the programmed time period.
Moving dipswitch 3 to the upper position activates the
time proportional function. This function allows closer
control of the comfort temperature and helps prevent
overheating of the room, particularly when switching
on from cold, giving greater comfort and increased
economy.
Moving dipswitch 4 to the upper position selects the
remote sensor if connected to the thermostat.
In the lower position the internal sensor is selected.
The following accessories are available as options:
- Remote telephone interface (Fig. 9).
- Remote sensor (Fig. 9).
See overall for codes.
The remote telephone interface connects to a
telephone line and to the thermostat enabling the
heating to be switched on remotely by telephone to a
continuous comfort setting (see the wiring diagram
overleaf).
When the telephone interface is activated the symbol
’
’
flashes in the display.
The programmable thermostat should be positioned
about 1.5m from floor level and must avoid being
positioned near draughts, sources of heat or cold or
direct sunlight.
To install the thermostat:
1. The thermostat can be installed using either the
adaptor plate (Fig. 1) or fixed directly to the wall
through the goles in th battery compartment using
the two screws and plugs provided
2. The thermostat has been designed for fixed wiring
only. Cable access is through the rear of the
adaptor plate as shown in Fig. 1.
The backplate can be secured either to a flat vertical
mounting surface or to a single gang flush mounted
wiring box: the fixing centres are shown in Fig. 1.
override the programme being used as follows:
1. Pressing it once changes the temperature to the
opposite one in use until the programme time period
changes again.
For example: if the temperature is at the reduced
setting, pressing the button once will change it to
the comfort level.
When the next time period occurs, the temperature
will stay at the comfort level and go to the reduced
setting when the time period ends.
The display will show the ’
’ (manual) and
’ ’ (override) symbols
2.
Pressing the button twice will change the
temperature setting to a continuous comfort setting.
The display will show the ’
’ (manual), ’
’ (sun)
symbols and the temperature only
3. Pressed three times the temperature setting will
change to a continuous reduced setting. The display
will show the ’
’ (manual), ’
’ (moon) and the
temperature only.
Pressing the manual button once more returns the
thermostat to normal programmed operation.
By pressing the ’
’
button (see Fig.5, button 3) the
user can choose whether the display willshow the
current time or the room temperature.
When showing the room temperature the display will
also show the sensor being used for thermostat
control: IN for the internal sensor and OUT for a
remote sensor (see Fig. 7)
Where a remote sensor is connected it is possible to
select which one will be used - see ’Additional
functions’ below.
Pressing the ’ ’ On/Off button (2 ) will stop normal
operation and activate the antifreeze setting which can
be changed using the ’
’ (forward) and ’
’ (back)
buttons from -5°C to 25°C.
Four dipswitches are located at the top left of the rear
face of the thermostat (see Fig.8). These are used to
activate additional functions, see below:
This microswitch must be kept in the '
' position.
Moving dipswitch 2 to the upper position activates the
optimum start function. This turns the heating on
before the start of a programmed time period so that it
the comfort temperature by the start of the
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