Table Of Contents - Riello RLS 120/E FGR Installation, Use And Maintenance Instructions

Dual fuel light oil/gas burner

Table of Contents

Declarations................................................................................................................................................................................ 3

Information and general warnings............................................................................................................................................ 4

2.1

Information about the instruction manual .................................................................................................................... 4

2.1.1

Introduction.................................................................................................................................................................. 4

2.1.2

General dangers.......................................................................................................................................................... 4

2.1.3

Other symbols ............................................................................................................................................................. 4

2.1.4

Delivery of the system and the instruction manual...................................................................................................... 5

2.2

Guarantee and responsibility....................................................................................................................................... 5

Safety and prevention................................................................................................................................................................ 6

3.1

Background ................................................................................................................................................................. 6

3.2

Personnel training ....................................................................................................................................................... 6

Technical description of the burner ......................................................................................................................................... 7

4.1

Burner designation ...................................................................................................................................................... 7

4.2

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

4.3

Burner categories - Countries of destination ............................................................................................................... 8

4.4

Technical data ............................................................................................................................................................. 8

4.5

Electrical data.............................................................................................................................................................. 9

4.6

Maximum dimensions.................................................................................................................................................. 9

4.7

Firing rate .................................................................................................................................................................. 10

4.8

Test boiler.................................................................................................................................................................. 10

4.9

Commercial boilers.................................................................................................................................................... 11

4.10

Burner equipment...................................................................................................................................................... 11

4.11

Burner description ..................................................................................................................................................... 12

4.12

Control box for controlling the air/fuel ratio (BT340).................................................................................................. 13

4.13

Operation sequence of the burner (GAS operation).................................................................................................. 14

4.14

Operation sequence of the burner (LIGHT OIL operation)........................................................................................ 15

4.15

Servomotor (662R5...)............................................................................................................................................... 16

4.16

Calibration of the thermal relay ................................................................................................................................. 16

Installation ................................................................................................................................................................................ 17

5.1

Notes on safety for the installation ............................................................................................................................ 17

5.2

Handling .................................................................................................................................................................... 17

5.3

Preliminary checks .................................................................................................................................................... 17

5.4

Operating position ..................................................................................................................................................... 18

5.5

Preparing the boiler ................................................................................................................................................... 18

5.5.1

Boring the boiler plate ............................................................................................................................................... 18

5.5.2

Blast tube length........................................................................................................................................................ 18

5.6

Positioning electrode and pilot .................................................................................................................................. 19

5.6.1

Electrodes adjustment............................................................................................................................................... 19

5.6.2

Pilot operation parameters ........................................................................................................................................ 19

5.7

Securing the burner to the boiler ............................................................................................................................... 20

5.8

Nozzle ....................................................................................................................................................................... 21

5.8.1

Recommended nozzles............................................................................................................................................. 21

5.8.2

Nozzle installation ..................................................................................................................................................... 21

5.8.3

Removing the nozzles ............................................................................................................................................... 22

5.9

Combustion head adjustment.................................................................................................................................... 22

5.10

Electrodes adjustment............................................................................................................................................... 22

5.11

Flue gases recirculation piping system ..................................................................................................................... 23

5.11.1

Flue gas recirculation line sizing ............................................................................................................................... 24

5.11.2

Calculating the percentage of recirculated flue gas .................................................................................................. 24

5.12

Closing the burner ..................................................................................................................................................... 24

5.13

Light oil supply........................................................................................................................................................... 25

5.13.1

Double-pipe circuit..................................................................................................................................................... 25

5.13.2

The loop circuit .......................................................................................................................................................... 25

5.13.3

Hydraulic connections ............................................................................................................................................... 25

5.13.4

Hydraulic circuit diagram ........................................................................................................................................... 26

5.13.5

Pump ......................................................................................................................................................................... 27

5.13.6

Priming pump ............................................................................................................................................................ 27

5.13.7

Pump motor rotation.................................................................................................................................................. 27

5.14

Gas supply ................................................................................................................................................................ 28

5.14.1

Gas feeding line ........................................................................................................................................................ 28

Contents

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