- 3 -
In addition, the boiler is provided with two terminals for the room thermostat connection
(see Electrical Diagram). For that, the bridge joining both terminals
3-4
is to be removed
and the room thermostat is to be connected there.
1.5.- Burner mounting
The model
Sirena
is supplied with an oil burner
Domestic
. Follow the next instructions
to mount the burner over the boiler:
- Dismount the cover of the oil combustion chamber.
- Cut the insolation, which covers the hole of the combustion chamber, with a cutter.
- Follow the installation guide included with the burner to install the oil circuit.
- The boiler is provided with two terminals
5 - 6
for the burner electrical connection.
1.6.- Draught regulator mounting
To mount the draught regulator supplied with the boiler, follow carefully the next steps:
- Keeping the boiler empty of water, screw the draught regulator in the hole provided
in the boiler for such a purpose, ensuring a good sealed of it.
- Introduce the hexagonal lever through the lateral hole displacing the plastic tube
and placing the lever over the horizontal plane.
- Slide the lever in such a position that allows to open and close the boiler charge
door.
- Fix the lever with the screw.
- Ignite the boiler and wait for the temperature reaches the desired one in the
thermometer.
- Then turn the draught regulator up to the temperature shown in the thermometer.
- With the principal air inlet-door closed fix the chain with it and leave it tight.
2.- INSTALLATION WATER-FILLING
Water filling is to be carried out slowly and with the air vent open, so that the installation air
will be released. In addition, the other parts of the installation are to be properly purged by
means of the air vent valves fitted for such a purpose. Once the installation has been filled
up, close the filling valve.
NOTE: Switching on the boiler without water could result in serious damage to it.
3.- SAFETY LOCKING
The boiler is provided with two types of operating safety locking:
3.1.- Temperature safety locking
It will occur every time the temperature in the boiler exceeds 110º C. The safety
thermostat built-in button will be pressed in order to unlock it, once the plug covering
this button has been previously loosened.
