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To dismantle the front casing panel it is necessary to:

1 - Remove the two screws "B";

2 - Move the front casing panel up and lift forward.

4.4 I

NITIAL

TART

4.5

OMBUSTION

. 4.2

HE CHECKS TO BE RUN BEFORE INITIAL START

1. Make sure that:

- the screw on the automatic air valve has been loosened when the

- If the water pressure in the system is below 1.5 bar, bring it up to the

- Ensure that the gas cock is closed;

- Make sure that the electrical connection has been made properly and

- Supply power to the boiler by pushing the On/Off button "A" (see

- Loosen the cap on the head of the pump to eliminate any air pockets;

- Repeat the procedure for bleeding the radiators of air;

- Check the system pressure and, if it has dropped, open the filling loop

2. Make sure that all gate valves are open;

3. Turn on the gas cock and check the seals on the connections with an

4. Press the reset button "E" for the lighting system; the spark will light the

5. Check the minimum and maximum pressure values for the gas going to

NALYSIS

system is full;

appropriate level;

that the earth wire is connected to an efficient earthing system;

.4.1) - the L.E.D. "B" will illuminate. Then push the button "C" in for

central heating - the L.E.D. "D" will illuminate. This will start the

circulation pump. After 7 seconds, the boiler will signal a shutdown due

to ignition failure. Leave the boiler as it is until all of the air has been bled

from the system.

again to bring the pressure back up to 1.5 bar.

approved soap solution and eliminate any leaks.

main burner. If the burner does not light the first time, repeat the

procedure.

the burner; adjust it if needed using the values indicated in the table in

section 5 (See the relative section for burner pressure adjustment within

the servicing manual).

The flue connector has two apertures,

taken for the temperature of the combustion by-products

and of the combustion air, as well as of the concentrations

of O

and CO

To access these intakes it is necessary to unscrew the front

screw and remove the metal plate with sealing gasket.

To achieve the best test conditions, turn the central heating

adjustment knob "G" to the "max" position and remove the

electrical connection to the heating sensor (see section 6.).

This will allow the appliance to operate at the maximum

heating power.

UP ARE AS FOLLOWS

, etc.

readings can be