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3 - COMBUSTION ADJUSTMENT (References on drawings at page 9)

For the combustion adjustment we suggest to proceed in this way:

- Let the burner starts and after the flame ignites at the minimum output, disconnect the servomotor by opening the

connection 5) (page 1) placed on panel.

- Thereafter proceed successively to the adjustment of the maximum, minimal outputs and to the intermediate

output.

3.1 - Maximum output setting

Gas

- Disjoint the cam with adjustable profile 6) from the servomotor by re-setting the button 5).
- Turn manually clockwise the cam 6) till to reach the position of 130° (on the edge of the servomotor) in

correspondence of the pointer 4). In this way the gas throttle valve 12) is at the max. opening - 90°-

- Join again the cam with adjustable profile 6) to the servomotor by pushing the button 5).
Now set the gas rate by acting on the gas setting valve.

Air

- Move the adjustable profile 7) of the cam by gradually acting on the screws 9).

3.2 - Minimal output setting

Gas

- Disjoint the cam with adjustable profile 6) by means of the button 5).
- Turn manually anticlockwise the cam till to reach the position of 30°.
- Lock it again and measure the gas rate.
If a different minimal output is desired, set free the cam with adjustable profile and turn it anticlockwise; for a higher
output turn it clockwise. When the minimal value is satisfying, set on the cam 3) the opening value signed on the
pointer 4).

Air

- Vary the profile of the cam 7) by gradually acting on the screws 9).
Be careful to not modify the part of profile controlling the air shutter at the maximum output, previously set.

3.3 - Intermediate outputs setting

Gas

No setting is required.

Air 

It is carry out by acting on the screws 9) of the cam profile, being careful to not move those for the minimum and
maximum outputs.
When the combustion setting is ended re-connect the electrical wiring of the servomotor by plugging the connector
5) (page 1); then lock the screws 9) by means of the cross-screws 8).

Содержание GAS 6 P/M

Страница 1: ...2915244 3 09 2012 Installation use and maintenance instructions Forced draught gas burner MODEL TYPE GAS 6 P M 536 T80...

Страница 2: ......

Страница 3: ...asured at the cou pling with nil pressure in the combustion chamber and gas with cal orific value of 8600 kcal m3 Maximum gas pressure 150 mbar Electrical supply 3N 380V 60 Hz Fan motor rpm V kW A 335...

Страница 4: ...rol box reset button 5 Servomotor connection 6 Fair leads 7 Wiring terminal block 8 Reset push button of the motor over load relay 9 Air pressure switch 10 Gas pressure test point DIMENSIONS Length av...

Страница 5: ...us the pressurization value Example to obtain 800 kW it is necessary a gas pressure of 11 mbar and the combustion head set as indicated at page 8 If the combustion chamber is pressurized at 2 mbar the...

Страница 6: ...uld be carried out as follows Loosen the screws 2 UNHOOK THE TENSION ROD OF THE AIR DAMPER 1 remove the connecting lead of the servomotor withdraw the group A from the group B After the setting re ass...

Страница 7: ...5244 5 BURNER ELECTRICAL WIRING carried out y the factory D3377...

Страница 8: ...force in the Country Leads minimal section 1 mm2 Adjustment for the motor thermal relay at the beginning of the scale for 380V at the end of the scale for 220V Burners with non stop operation For saf...

Страница 9: ...controller modulating version 8 Pre sheared holeg Further prospective signals or controls can be connected to the burner wiring terminal board by removing the metal weldnuts from the pre sheared holes...

Страница 10: ...west set point When the burner is operating increase the adjustment pressure by turning slowly clockwise the knob till reaching the burner lock out There after turn the knob anticlockwise for 1 mbar a...

Страница 11: ...3 is coincident with the desired set point on the plate 4 Tighten the screws 1 Gas setting Loosen the screw 5 move the ring 6 so that the pointer 7 is coincident with the desired set point 8 Tighten...

Страница 12: ...t button 1st cam it controls the min stroke and remains always positioned on 0 in this way when the burner is off the air damper is totally closed 2nd cam it controls the max stroke generally it is po...

Страница 13: ...justable profile 7 of the cam by gradually acting on the screws 9 3 2 Minimal output setting Gas Disjoint the cam with adjustable profile 6 by means of the button 5 Turn manually anticlockwise the cam...

Страница 14: ...change from 90 to 60 of the tension rod will be sufficient Should this ratio be in higher range 50 100 in this case further to position the tension rod on 60 it shall be shotened Proceed as follows D...

Страница 15: ...N CURRENT The minimum current necessary for the control box operation is 6 A The burner normally supplies a higher current value so that no check is needed However if a measurement of the ionization c...

Страница 16: ...ion of the flame detecting circuit because of probe to earth defective internal amplifier P Stop during pre purge phase because of the servomotor does not change over the minimal opening circuit in be...

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Страница 20: ...Subject to modifications RIELLO S p A I 37045 Legnago VR Tel 39 0442 630111 http www riello it http www rielloburners com...

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