Lamborghini Caloreclima EM 9/2-E Notice D'installation Et D'entretien page 36

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GAS CONNECTION

The system must be equipped with all the accessories required by current regulations.

We recommend the following:

always include a filter, do not apply mechanical strain to the components and, therefo-

re install a flexible joint as well as a pressure stabilizer and an interception cock at the

heating system inlet. The pipes must be laid using rigid pipes. Any flexible pipes must

be type approved.

Also bear in mind the necessary space required for carrying out maintenance opera-

tions on the burner and the boiler. After fitting the valve unit on the burner, check that

there are no gas leaks during the first ignition stage.

ADJUSTMENTS

COMBUSTION HEAD ADJUSTMENT

Adjust the combustion head by acting on the

screw A according to the indications shown on

the index.

GEARED MOTOR CONTROLLING AIR DELIVERY

The geared motor limit switch and auxiliary contacts are triggered by easily accessible

adjustable cams, which can be set against o graduated scale.

SETTING THE CONTACT TRIGGERING POINT

General information:

CAM V (2 Stufe) - Cam controlling air valve fully open position (maz. firing rate with

both stages in operation).

CAM IV (1 Stufe) - Cam controlling minimum air flow condition (min. firing rate 1st sta-

ge only in operation).

CAM II-III (MV1-MV2) - Auxiliari cam activating the 2nd stage valve.

RECOMMENDATIONS TO PROPERLY SET THE GEARED MOTOR

The geared motor is set upon testing as follows:

CAM V (2 Stufe) : is set on approx 90°-120°

CAM IV (1 Stufe) : is set on approx 25°÷50°.

CAM II-III (MV1-MV2): is set in such a way that the 2nd stage valve opens when the air

shut-off valve is at 60°÷80°.

Reference index