5. LCD Display Screen: While giving the operational status of the boiler and
water temperature, to aid in fault diagnostics the control unit has a built in
facility that automatically indicates a fault status. If more than one fault
simultaneously occurs, then only the highest priority fault is displayed.
(Figure 4)
5.1. Flame indication: When ignition occurs, flame symbol (1) is shown.
5.2. Service Mode symbol : Turn selector control knob (4 figure 3) 3 times
between C/H setting and the off position (no more than 2 seconds between
each turn) the boiler is now in service mode and will stay there for 15mins,
turn both C/H & DHW controls to max, this sets the boiler to max output
and will not modulate, turn both the controls to min to set the boiler on min
without modulation for setting up the default parameters.
5.3. Reset symbol : When reset symbol (3) is showed with fault code, the boiler
will need to be re-set. To re-set the boiler, the function switch must be
switched to position and after 15 seconds back to its previous (summer
or winter) position.
5.4. Set symbol
5.5. Domestic Hot Water Mode : When opening tap, system works at DHW
mode and shows tap symbol
5.6. Central Heating Mode : When selecting winter mode and working at CH
mode, system shows radiator symbol.
5.7. Digits : Digits shows CH,DHW temperature, fault codes etc.
6. Timer : This unit provides to enter burning programme for boiler. Programme can
be programmed according to user demands. Programming timer can be found in
Section 13.5.
FROST PROTECTION
The boiler has a built in frost protection device that protects the boiler from freezing. If
the boiler is to be left and there is a risk of frost, ensure that the gas and electrical
supplies are left connected. The frost protection device will light the boiler when the
Figure 4