Technical data

9
2000225294A
User Instructions - Operating the Boiler
Diagram 1
HEATING "OFF"
HEATING "ON"
12170
ON/OFF
switch
Optional Programmer
(F24e & F28e ONLY)
Central heating
control knob
Digital Display
Domestic hot water
temperature control
knob
(F24e & F28e ONLY)
Running lamp illuminated green when burner is lit
(fault indicated by a red flashing light)
OPERATION OF THE BOILER
1. Check that all isolating valves on the boiler are open and that water flows from the hot water tap.
2. If you are in any doubt about the boiler being filled with water contact your installer or Saunier Duval's own
service organisation using the telephone number on the inside front cover of this booklet.
3. Check that the electrical supply to the boiler is ON and set any remote controls as required.
4. With the User controls in their "OFF" positions, as shown in the above diagram, turn the ON/OFF switch to the
ON (1) position, the running lamp will initially illuminate (green) then go off, the system pressure will be displayed
and should read on the digital display, at least 0.7bar (recommended 1.0bar), if less, pressurise as described in
the System Pressurisation section.
USER CONTROLS
CENTRAL HEATING CONTROL
1. Turn the central heating knob "ON", the lighting sequence will begin, the running lamp will illuminate (green) to
indicate the boiler has lit, the system temperature will now be displayed instead of system pressure.
The temperature of the central heating water can be adjusted by turning the central heating control knob
to desired setting between 1 'Min' and 5 'Max' or
frost protection. 5 'Max', is appoximately 87°C.
Set the control knob to
to switch off heating.
If the boiler fails to light, reset the controls, see paragraph below, TO RESET
If a fault occurs the running lamp will flash red and a fault code will appear on the digital display.
DOMESTIC HOT WATER CONTROL (F24e & F28e ONLY)
2. Position 0 - hot water OFF. Position 1 - hot water between 38
o
C and 55
o
C approx.
The ECO setting is recommended and ideally suited to normal family use (showers, washing up etc.).
Positions between ECO and MAX are for occasional use, for water above 55
o
C approx.
TO RESET
3. Turn the ON/OFF switch to 0, wait for 5 seconds, turn ON/OFF switch to 1, the boiler is reset.
If the fault persists contact your installer/service provider using the telephone number on the inside font cover of
this booklet.
TO TURN THE BOILER OFF
4. Turn the ON/OFF switch to the OFF (0) position.
Turn the gas supply OFF at the gas service cock if the boiler is to be out of use for some time.