USING THE BOILER
LEARNING YOuR wAY AROuND THE CONTROL PANEL
Before carrying out any work on the boiler, switch the
power off at the mains switch fitted in the boiler room
by the electrician.
1 - ON/Off switch
This must be used to switch the boiler off before carrying out any
work on it.
2 - Power selection switches
The control panel is fitted with two switches allowing the user to
select the boiler power according to his needs.
When only the first switch is pressed down, the boiler power is limited
to the first stage using +/- half of the power (ideal in summer). In
order for the boiler to run at full power, both of the switches must be
pressed down.
3 - Summer/Winter selector switch
“Winter” position: provides both domestic hot water and central
heating functions. “Summer” position: The central heating circulator
is switched off. Only the domestic hot water function is provided. If
there is not enough hot water available, we recommend setting the
thermostat (9) to a higher
value. When the weather turns cold again, simply select “Winter” to
reactivate the heating system..
4 - Mano-thermometer
Reads the boiler primary circuit (central heating) temperature
andpressure directly.
5 - Thermostat adjustable between 60 and 85° C
Central heating systems are generally designed to operate at a
maximum of 80° C. When used at lower temperatures, a 3-way mixer
valve installed on the heating flow pipeallows the temperature to be
set manually or, if you decide to install a regulator, automatically.
We recommend that you set the thermostat to the maximum values
to get the best out of the domestic hot water system.
There is a risk of burns from hot water!
The water stored in the domestic hot water tank in the boiler can be
at a very high temperature.
In all cases, install the thermostatic mixer on the domestic hot water
flow pipe which must not exceed 60° C.
A mixer or mixing valve at each point of use is recommended.
6 - Safety thermometer
When the temperature in the boiler exceeds 103°C, the manually reset
safety thermostat is started up.
CENTRAL HEATING SYSTEM GAuGE PRESSuRE
Your boiler is fitted with a central heating safety valve, set to 3 bar, and
with a pressure gauge.
First make sure that the water in the system is still pressurised. When
cold and after the air in the system has been bled, the pressure gauge
should show a pressure of between 1 and 2, depending on the height
of the building: (1 bar = 5m / 1.5 bar = 10 m and 2 bar = 15 m).
To add water, open the filling valve.
Make sure that the drain cock is properly closed after filling and isolate
the filling circuit from the central heating circuits. Bleed the air in the
system to get an accurate water pressure reading.
7 - Boiler shutdown indicator light
This light is lit when the safety thermostat starts up or when the water
pressure in the boiler is too low.
8 - Control Unit
Please see the enclosed instructions if you have chosen this option.
Control panel
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6
3
7
5
4
8
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