Supplied By www.heating spares.co Tel. 0161 620 6677
5
GETTING STARTED
2.1
BEFORE SWITCHING ON
Before switching the appliance on please familiar-
ise yourself with:
●
how to isolate the appliance from the gas, water,
and electricity supplies;
●
how to check and top-up – if necessary – the
system water pressure;
●
the time clock or programmer;
●
any external thermostats and their functions;
●
the appliance controls.
2.2
APPLIANCE CONTROLS (see fig. 1)
The appliance controls are situated on the lower
front of the appliance. The appliance controls
include:
●
pressure gauge;
●
appliance mode selector;
●
temperature selector;
●
2-digit LED display;
●
burner ON mode (green);
●
fault indicator (red);
●
optional integral time clock/programmer (if fit-
ted).
The pressure gauge shows the current pressure
of your heating system, the gauge should be set
between 1 and 1.5 BAR. When the appliance is
operating the gauge may rise or fall slightly, this is
quite normal. The minimum permissible level for
the safe and efficient operation of the appliance is
0.5 BAR. Should the pressure fall below 0.5 BAR,
the boiler may lockout.
The appliance mode selector is used to switch
the boiler to the various operating modes:
●
RESET “
”
●
OFF “
”
●
ON “ ”.
NOTE
The appliance frost protection is active in all of
the above modes.
The temperature selector can be used to vary the
temperature of the water that circulates around
your radiators and/or hot water tank. The tempera-
ture range is adjustable between 40 °C and 80 °C
for standard CH systems and between 20 °C - 45
°C under-floor CH systems.
The 2-digit LED display normally shows the
operating temperature of the appliance, however it
can also display additional characters or flashing
numbers to signify specific operating modes or
fault codes.
When the status indicator (Green) is lit it indi-
cates that the flame is detected and the burner is
fully in ON status.
When the fault indicator (Red) is lit it indicates
that the appliance has identified a possible fault
and performed a safety shut-down.
The integral time clock or programmer (when
fitted) can be used to switch the heating and/or hot
water on and off at pre-determined intervals.
2.3
LIGHTING THE BOILER
Ensure the gas and electrical supply to the boiler
are turned on.
Turn the mode selector switch to the ON position.
When there is a request for heating or hot water via
the time clock or programmer, the boiler will begin
an ignition sequence. When the appliance reaches
the set temperature, the burner will go off for a
minimum period of approximately 3 minutes.
When the programmer/time clock or external ther-
mostats heating request has been satisfied, the
appliance will switch off automatically.
2.4
ADJUSTING THE OPERATING TEMPERATURE
Rotate the temperature selector – clockwise to
increase, counter-clockwise to decrease – to the
desired temperature setting. The temperature can
be set between 40 °C - 80 °C standard CH systems
and between 20 °C - 45 °C under-floor CH sys-
tems.
NOTE
If the appliance fails to ignite during the ignition
sequence, it will enter a lockout condition. Should
this occur, please allow a period of at least two
minutes before re-setting the appliance.
