Riello 663 M Installation, Use And Maintenance Instructions page 4

Gas oil burners

Table of Contents

7.3

Burner calibration .......................................................................................................................................................22

7.3.1

Combustion head setting ...........................................................................................................................................22

7.3.2

Servomotor ................................................................................................................................................................22

7.3.3

MAX power ................................................................................................................................................................23

7.3.4

MIN power..................................................................................................................................................................24

7.3.5

Intermediate power ....................................................................................................................................................24

7.4

Oil pressure switch.....................................................................................................................................................24

7.5

Burner operation ........................................................................................................................................................25

7.5.1

Burner starting ...........................................................................................................................................................25

7.5.2

Steady state operation ...............................................................................................................................................25

7.5.3

Firing failure ...............................................................................................................................................................25

7.5.4

Firing failure ...............................................................................................................................................................25

7.6

Final checks ...............................................................................................................................................................26

Maintenance ..............................................................................................................................................................................27

8.1

Notes on safety for the maintenance .........................................................................................................................27

8.2

Maintenance programme ...........................................................................................................................................27

8.2.1

Maintenance frequency..............................................................................................................................................27

8.2.2

Checking and cleaning...............................................................................................................................................27

8.2.3

Fuel pump and/or couplings replacement ..................................................................................................................28

8.3

Opening the burner ....................................................................................................................................................28

Faults - Possible causes - Solutions.......................................................................................................................................29

Appendix - Accessories (optional) ..........................................................................................................................................31

Appendix - Electrical panel layout...........................................................................................................................................32

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Contents

Table of Contents