Table Of Contents - Riello DB 12 LSE FGR Installation, Use And Maintenance Instructions

Dual fuel light oil/gas burner

Table of Contents

Information and general warnings............................................................................................................................................ 3

1.1

Information about the instruction manual .................................................................................................................... 3

1.1.1

Introduction.................................................................................................................................................................. 3

1.1.2

General dangers.......................................................................................................................................................... 3

1.1.3

Other symbols ............................................................................................................................................................. 3

1.1.4

Delivery of the system and the instruction manual...................................................................................................... 4

1.2

Guarantee and responsibility....................................................................................................................................... 4

Safety and prevention................................................................................................................................................................ 5

2.1

Introduction.................................................................................................................................................................. 5

2.2

Personnel training ....................................................................................................................................................... 5

Technical description of the burner ......................................................................................................................................... 6

3.1

Burner designation ...................................................................................................................................................... 6

3.2

Models available.......................................................................................................................................................... 7

3.3

Burner categories - Countries of destination ............................................................................................................... 7

3.4

Technical data ............................................................................................................................................................. 7

3.5

Electrical data.............................................................................................................................................................. 7

3.6

Maximum dimensions.................................................................................................................................................. 8

3.7

Flange dimensions ...................................................................................................................................................... 8

3.8

Firing rate .................................................................................................................................................................... 9

3.9

Test boiler.................................................................................................................................................................... 9

3.10

Air side pressure drop (measured upstream of the damper with complete opening)................................................ 10

3.11

Gas side pressure drop ............................................................................................................................................. 11

3.12

Description of burner components ............................................................................................................................ 12

3.13

Burner equipment...................................................................................................................................................... 12

3.14

Servomotor (SQM48.4....) ......................................................................................................................................... 13

Installation ................................................................................................................................................................................ 14

4.1

Notes on safety for the installation ............................................................................................................................ 14

4.2

Handling .................................................................................................................................................................... 14

4.3

Preliminary checks .................................................................................................................................................... 14

4.4

Operating position ..................................................................................................................................................... 15

4.5

Removing the shutter locking screws........................................................................................................................ 15

4.6

Lifting points .............................................................................................................................................................. 15

4.7

Preparing the boiler ................................................................................................................................................... 16

4.7.1

Boring the boiler plate ............................................................................................................................................... 16

4.7.2

Blast tube length........................................................................................................................................................ 16

4.8

Boiler fixing................................................................................................................................................................ 16

4.9

FGR duct system....................................................................................................................................................... 17

4.10

Nozzle lance.............................................................................................................................................................. 18

4.10.1

Nozzles (mechanical atomization)............................................................................................................................. 18

4.11

Ignition pilot ............................................................................................................................................................... 18

4.12

Light oil supply........................................................................................................................................................... 19

4.12.1

General supply layout (example)............................................................................................................................... 19

4.12.2

Adjustment and calibration of the oil circuit and of the air output .............................................................................. 20

4.12.3

Priming pump (example) ........................................................................................................................................... 21

4.13

Gas supply ................................................................................................................................................................ 22

4.13.1

Gas feed connection to the burner ............................................................................................................................ 22

4.13.2

General gas feeding layout (example) ...................................................................................................................... 22

4.13.3

Gas train.................................................................................................................................................................... 23

4.13.4

Gas train installation.................................................................................................................................................. 23

4.13.5

Gas pressure............................................................................................................................................................. 23

4.13.6

Pilot - gas train connection ........................................................................................................................................ 24

4.14

Electrical connections................................................................................................................................................ 25

4.14.1

Supply cables and external connections passage .................................................................................................... 25

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