Table Of Contents - Riello RS 68/EV BLU Installation, Use And Maintenance Instructions

Forced draught gas burners progressive two-stage or modulating operation

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

Introduction.................................................................................................................................................................. 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 ........................................................................................................................................................ 8

4.4

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

4.5

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

4.6

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

4.7

Firing rates ................................................................................................................................................................ 10

4.7.1

Firing rate on basis of air density .............................................................................................................................. 11

4.8

Test boiler.................................................................................................................................................................. 12

4.9

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

4.10

Burner description ..................................................................................................................................................... 13

4.11

Control box for the air/fuel ratio (REC 37.400A2)...................................................................................................... 14

4.12

Operation sequence of the burner............................................................................................................................. 17

4.12.1

List of phases ............................................................................................................................................................ 18

4.13

Operator panel operation .......................................................................................................................................... 18

4.13.1

Symbols description on the display ........................................................................................................................... 18

4.13.2

Buttons description.................................................................................................................................................... 19

4.14

Servomotors (SQM33....) .......................................................................................................................................... 20

Installation ................................................................................................................................................................................ 21

5.1

Notes on safety for the installation ............................................................................................................................ 21

5.2

Handling .................................................................................................................................................................... 21

5.3

Preliminary checks .................................................................................................................................................... 21

5.4

Operating position ..................................................................................................................................................... 22

5.5

Preparing the boiler ................................................................................................................................................... 22

5.5.1

Introduction................................................................................................................................................................ 22

5.5.2

Boring the boiler plate ............................................................................................................................................... 22

5.5.3

Blast tube length........................................................................................................................................................ 23

5.6

Positioning probe - electrode..................................................................................................................................... 23

5.7

Securing the burner to the boiler ............................................................................................................................... 24

5.8

Pre-calibrating the combustion head......................................................................................................................... 25

5.9

Combustion head adjustment.................................................................................................................................... 25

5.10

Burner closing ........................................................................................................................................................... 26

5.11

Gas feeding ............................................................................................................................................................... 27

5.11.1

Gas feeding line ........................................................................................................................................................ 27

5.11.2

Gas train.................................................................................................................................................................... 28

5.11.3

Gas train installation.................................................................................................................................................. 28

5.11.4

Gas pressure............................................................................................................................................................. 28

5.12

Electrical wiring ......................................................................................................................................................... 30

5.12.1

Supply cables and external connections passage .................................................................................................... 30

5.12.2

Motor cable shield ..................................................................................................................................................... 31

5.12.3

Revolution sensor adjustment ................................................................................................................................... 31

Start-up, calibration and operation of the burner ................................................................................................................. 32

6.1

Notes on safety for the first start-up .......................................................................................................................... 32

6.2

Adjustments prior to ignition ...................................................................................................................................... 32

6.3

Burner start-up .......................................................................................................................................................... 33

Contents

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