Riello Rls 1600/e c11 Instruction Manual

Installation, use and maintenance instructions

20099672 (3) -11/2021

Dual fuel light oil/gas burners

Modulating operation

CODE MODEL TYPE

20080870 RLS 1600/E C11 LS003T1

20080864 RLS 2000/E C11 1316 T1

Translation of the original instructions

1 20099672

Contents

1 Declarations................................................................................................................................................................................ 3

2 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

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

3.1 Introduction.................................................................................................................................................................. 6

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

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

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

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

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

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

4.5 Electrical data.............................................................................................................................................................. 8

4.6 Burner packaging dimensions and weight................................................................................................................... 9

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

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

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

4.10 Burner description ..................................................................................................................................................... 11

4.11 Electrical panel description........................................................................................................................................ 12

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

4.13 AZL Display............................................................................................................................................................... 13

4.14 Control box for the air/fuel ratio (LMV51...) ............................................................................................................... 14

4.15 Servomotor (SQM48.4....) ......................................................................................................................................... 16

5 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 Removing the shutter lockout screws........................................................................................................................ 18

5.6 Coupling of the burner - Centre of gravity position.................................................................................................... 18

5.7 Preparing the boiler................................................................................................................................................... 19

5.7.1 Boring the boiler plate ............................................................................................................................................... 19

5.7.2 Blast tube length........................................................................................................................................................ 19

5.8 Securing the burner to the boiler............................................................................................................................... 19

5.9 Access to head internal part...................................................................................................................................... 20

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

5.10.1 Recommended nozzle............................................................................................................................................... 21

5.11 Electrode position...................................................................................................................................................... 21

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

5.13 Light oil supply........................................................................................................................................................... 22

5.13.1 Double-pipe circuit..................................................................................................................................................... 22

5.13.2 Hydraulic connections ............................................................................................................................................... 23

5.13.3 Hydraulic circuit diagram ........................................................................................................................................... 23

5.13.4 Pressure variator ....................................................................................................................................................... 23

5.14 Gas feeding............................................................................................................................................................... 24

5.14.1 Gas feeding line ........................................................................................................................................................ 24

5.14.2 Gas train.................................................................................................................................................................... 25

5.14.3 Gas train installation.................................................................................................................................................. 25

20099672 2

Contents

5.14.4 Gas pressure .............................................................................................................................................................25

5.14.5 Pilot - gas train connection.........................................................................................................................................26

5.14.6 Ignition pilot burner ....................................................................................................................................................26

5.15 Electrical wiring ..........................................................................................................................................................27

5.15.1 Notes on terminals .....................................................................................................................................................27

5.15.2 Supply cables and external connections passage .....................................................................................................28

5.16 Motor rotation.............................................................................................................................................................28

5.17 Calibration of the thermal relay ..................................................................................................................................29

6 Start-up, calibration and operation of the burner ..................................................................................................................30

6.1 Notes on safety for the first start-up...........................................................................................................................30

6.2 Adjustments prior to ignition (light oil) ........................................................................................................................30

6.2.1 Nozzle ........................................................................................................................................................................30

6.2.2 Combustion head.......................................................................................................................................................30

6.3 Burner ignition (light oil) .............................................................................................................................................30

6.4 Adjustments prior to ignition (gas) .............................................................................................................................31

6.5 Burner start-up (gas)..................................................................................................................................................31

6.6 Burner ignition............................................................................................................................................................31

6.7 Change of fuel............................................................................................................................................................31

6.8 Combustion air adjustment ........................................................................................................................................32

6.8.1 Air / gas adjustment and output modulation...............................................................................................................32

6.9 Pressure switch adjustment .......................................................................................................................................33

6.9.1 Air pressure switch - check CO..................................................................................................................................33

6.9.2 Maximum gas pressure switch...................................................................................................................................33

6.9.3 Minimum gas pressure switch....................................................................................................................................33

6.9.4 PVP pressure switch kit .............................................................................................................................................33

6.9.5 Oil pressure switch.....................................................................................................................................................34

6.10 Final checks (with burner operating)..........................................................................................................................34

7 Maintenance ..............................................................................................................................................................................35

7.1 Notes on safety for the maintenance .........................................................................................................................35

7.2 Maintenance programme ...........................................................................................................................................35

7.2.1 Maintenance frequency..............................................................................................................................................35

7.2.2 Safety test - with gas ball valve closed ......................................................................................................................35

7.2.3 Checking and cleaning...............................................................................................................................................35

7.2.4 Safety components ....................................................................................................................................................37

7.2.5 Electrical panel...........................................................................................................................................................38

7.2.6 Pump unit...................................................................................................................................................................38

7.3 Opening the burner ....................................................................................................................................................39

7.4 Closing the burner......................................................................................................................................................39

8 Faults - Probable causes - Solutions ......................................................................................................................................40

A Appendix - Accessories ...........................................................................................................................................................41

B Appendix - Electrical panel layout...........................................................................................................................................42

3 20099672

Declarations

1 Declarations

Declaration of Conformity in accordance with ISO / IEC 17050-1

Manufacturer: RIELLO S.p.A.

Address: Via Pilade Riello, 7

37045 Legnago (VR)

Product: Dual fuel light oil/gas burners

Model: RLS 1600/E C11

RLS 2000/E C11

These products are in compliance with the following Technical Standards:

EN 676

EN 267

EN 12100

and according to the European Directives:

GAR 2016/426/UE Gas Appliances Regulation

MD 2006/42/EC Machine Directive

LVD 2014/35/UE Low Voltage Directive

EMC 2014/30/UE Electromagnetic Compatibility

Such products are marked as follows:

The quality is guaranteed by a quality and management system certified in accordance with ISO 9001:2015.

Manufacturer's Declaration

RIELLO S.p.A. declares that the following products comply with the NOx emission limits specified by German standard “1. BIm-

SchV revision 26.01.2010”.

Product Type Model Output

Dual fuel light oil/gas burners LS003T1 RLS 1600/E C11 3065 ÷ 15560 kW

1316T1 RLS 2000/E C11 4000 ÷ 19500 kW

Legnago, 03.05.2021 Research and Development Director

RIELLO S.p.A. - Burners Department

Eng. F. Maltempi

RLS 1600/E C11 CE-0123CT1562 Class 1 (EN 267) - Class 1 (EN 676)

RLS 2000/E C11 CE-0123CT1562 Class 1 (EN 267) - Class 1 (EN 676)

20099672 4

Information and general warnings

2.1 Information about the instruction manual

2.1.1 Introduction

The instruction manual supplied with the burner:

is an integral and essential part of the product and must not

be separated from it; it must therefore be kept carefully for

any necessary consultation and must accompany the burner

even if it is transferred to another owner or user, or to

another system. If the manual is lost or damaged, another

copy must be requested from the Technical Assistance Ser-

vice of the area;

is designed for use by qualified personnel;

offers important indications and instructions relating to the

installation safety, start-up, use and maintenance of the

burner.

Symbols used in the manual

In some parts of the manual you will see triangular DANGER

signs. Pay great attention to these, as they indicate a situation of

potential danger.

2.1.2 General dangers

The dangers can be of 3 levels, as indicated below.

2.1.3 Other symbols

Abbreviations used

Ch. Chapter

Fig. Figure

Page Page

Sec. Section

Tab. Table

2 Information and general warnings

DANGER

Maximum danger level!

This symbol indicates operations which, if not car-

ried out correctly, cause serious injury, death or

long-term health risks.

WARNING

This symbol indicates operations which, if not car-

ried out correctly, may cause serious injury, death

or long-term health risks.

CAUTION

This symbol indicates operations which, if not car-

ried out correctly, may cause damage to the ma-

chine and/or injury to people.

DANGER

DANGER: LIVE COMPONENTS

This symbol indicates operations which, if not car-

ried out correctly, lead to electric shocks with le-

thal consequences.

DANGER: FLAMMABLE MATERIAL

This symbol indicates the presence of flammable

materials.

DANGER: BURNING

This symbol indicates the risks of burns due to

high temperatures.

DANGER: CRUSHING OF LIMBS

This symbol indicates the presence of moving

parts: danger of crushing of limbs.

WARNING: MOVING PARTS

This symbol indicates that you must keep limbs

away from moving mechanical parts; danger of

crushing.

DANGER: EXPLOSION

This symbol signals places where an explosive at-

mosphere may be present. An explosive atmos-

phere is defined as a mixture - under atmospheric

conditions - of air and flammable substances in

the form of gases, vapours, mist or dust in which,

after ignition has occurred, combustion spreads to

the entire unburned mixture.

PERSONAL PROTECTION EQUIPMENT

These symbols indicate the equipment that must

be worn and kept by the operator for protection

against threats against safety and/or health while

at work.

OBLIGATION TO ASSEMBLE THE COVER

AND ALL THE SAFETY AND PROTECTION DE-

VICES

This symbol signals the obligation to reassemble

the cover and all the safety and protection devices

of the burner after any maintenance, cleaning or

checking operations.

ENVIRONMENTAL PROTECTION

This symbol gives indications for the use of the

machine with respect for the environment.

IMPORTANT INFORMATION

This symbol indicates important information that

you must bear in mind.

This symbol indicates a list.

5 20099672

Information and general warnings

2.1.4 Delivery of the system and the instruction

manual

When the system is delivered, it is important that:

the instruction manual is delivered to the user by the system

manufacturer, with the recommendation to keep it in the

room where the heat generator is to be installed.

The instruction manual shows:

- the serial number of the burner;

- the address and telephone number of the nearest Assis-

tance Centre

The system supplier must carefully inform the user about:

- the use of the system;

- any further tests that may be required before activating the

system;

- maintenance, and the need to have the system checked at

least once a year by a representative of the manufacturer

or another specialised technician.

To ensure a periodic check, the manufacturer recom-

mends the drawing up of a Maintenance Contract.

2.2 Guarantee and responsibility

The manufacturer guarantees its new products from the date of

installation, in accordance with the regulations in force and/or the

sales contract. At the moment of the first start-up, check that the

burner is integral and complete.

In particular, the rights to the guarantee and the responsibility will

no longer be valid, in the event of damage to things or injury to

people, if such damage/injury was due to any of the following

causes:

incorrect installation, start-up, use and maintenance of the

burner;

improper, incorrect or unreasonable use of the burner;

intervention of unqualified personnel;

carrying out of unauthorised modifications on the equipment;

use of the burner with safety devices that are faulty, incor-

rectly applied and/or not working;

installation of untested supplementary components on the

burner;

powering of the burner with unsuitable fuels;

faults in the fuel supply system;

continuation of use of the burner when a fault has occurred;

repairs and/or overhauls incorrectly carried out;

modification of the combustion chamber with inserts that

prevent the regular development of the structurally estab-

lished flame;

insufficient and inappropriate surveillance and care of those

burner components most likely to be subject to wear and

tear;

use of non-original components, including spare parts, kits,

accessories and optional;

force majeure.

The manufacturer furthermore declines any and every re-

sponsibility for the failure to observe the contents of this

manual.

.........................................................................................

WARNING

Failure to observe the information given in this

manual, operating negligence, incorrect installa-

tion and carrying out of non authorised modifica-

tions will result in the annulment by the

manufacturer of the guarantee that it supplies with

the burner.

20099672 6

Safety and prevention

3.1 Introduction

The burners have been designed and built in compliance with

current regulations and directives, applying the known technical

rules of safety and envisaging all the potential danger situations.

It is necessary, however, to bear in mind that the imprudent and

clumsy use of the equipment may lead to situations of death risk

for the user or third parties, as well as the damaging of the burner

or other items. Inattention, thoughtlessness and excessive confi-

dence often cause accidents; the same applies to tiredness and

sleepiness.

It is a good idea to remember the following:

The burner must only be used as expressly described. Any

other use should be considered improper and therefore dan-

gerous.

In particular:

it can be applied to boilers operating with water, steam, diather-

mic oil, and to other uses expressly foreseen by the manufactur-

er;

the type and pressure of the fuel, the voltage and frequency of the

electrical power supply, the minimum and maximum deliveries for

which the burner has been regulated, the pressurisation of the

combustion chamber, the dimensions of the combustion cham-

ber and the ambient temperature must all be within the values in-

dicated in the instruction manual.

Modification of the burner to alter its performance and desti-

nations is not allowed.

The burner must be used in exemplary technical safety con-

ditions. Any disturbances that could compromise safety must

be quickly eliminated.

Opening or tampering with the burner components is not

allowed, apart from the parts requiring maintenance.

Only those parts envisaged by the manufacturer can be

replaced.

3.2 Personnel training

The user is the person, body or company that has acquired the

machine and intends to use it for the specific purpose. He is re-

sponsible for the machine and for the training of the people work-

ing around it.

The user:

undertakes to entrust the machine exclusively to suitably

trained and qualified personnel;

undertakes to inform his personnel in a suitable way about

the application and observance of the safety instructions.

With that aim, he undertakes to ensure that everyone knows

the use and safety instructions for his own duties;

Personnel must observe all the danger and caution indica-

tions shown on the machine.

Personnel must not carry out, on their own initiative, opera-

tions or interventions that are not within their province.

Personnel must inform their superiors of every problem or

dangerous situation that may arise.

The assembly of parts of other makes, or any modifications,

can alter the characteristics of the machine and hence com-

promise operating safety. The manufacturer therefore

declines any and every responsibility for any damage that

may be caused by the use of non-original parts.

In addition:

3 Safety and prevention

WARNING

The manufacturer guarantees safety and proper

functioning only if all burner components are intact

and positioned correctly.

must take all the measures necessary to pre-

vent unauthorised people gaining access to

the machine;

the user must inform the manufacturer if

faults or malfunctioning of the accident pre-

vention systems are noticed, along with any

presumed danger situation;

personnel must always use the personal pro-

tective equipment envisaged by legislation

and follow the indications given in this man-

ual.

7 20099672

Technical description of the burner

4.1 Burner designation

4.2 Models available

4.3 Burner categories - Countries of destination

4 Technical description of the burner

Designation Voltage Start-up Code

RLS 1600/E C11 TC 3/400/50 Star-triangle 20080870

RLS 2000/E C11 TC 3/400/50 Star-triangle 20080864

Class 2 EN267 - Class 3 EN676

Range: R

Size

Fuel : Natural gas

Light oil

Light oil / Methane

Adjustment :

Flame control system :

FS1

FS2

Standard (1 stop every 24 h)

Continuous operation (1 stop every 72 h)

Electrical supply of the system :

3/400/50

3/230/50

Voltage of auxiliaries :

230/50/60

110/50/60

RLS 1600 ETC

Emission : C11 or... Class 1 EN267 - EN676

C22 or MZ Class 2 EN267 - EN676

C33 or BLU Class 3 EN267 - EN676

FS1 3/400/50 230/50/60

BASIC DESIGNATION

EXTENDED DESIGNATION

C11

3N / 400V / 50Hz

3 / 230V / 50Hz

230V / 50-60Hz

110V / 50-60Hz

Heavy oil

E Electronic cam

SV Electronic cam with variable speed (with Inverter)

P Proportional air/gas valve

BP Two stage (light oil) / Proportional valve (gas)

M Mechanical cam

Head: TC Standard head

TL Long head

C23 or MX

MX Class 1 EN267 - Class 3 EN676

Country of destination Gas category

AT - BG - CH - CZ - DK - EE - ES - FI - GB - GR - HU - IE - IS - IT - LT -

LV - NO - PT - RO - SE - SI - SK - TR I2H

DE I2ELL

NL I2EK

FR I2Er

BE I2E(R)

LU - PL I2E

20099672 8

Technical description of the burner

4.4 Technical data

Tab. A

(1) Reference conditions: Ambient temperature 20°C - Gas temperature 15°C - Barometric pressure 1,013 mbar - Altitude 0 m a.s.l.

(2) Pressure on the test point 28)(Fig. 5, page 11) with zero pressure in the combustion chamber and at maximum burner output.

(3) The burners are factory set for FS1 operation (1 stop every 24 hours), but can be switched to the FS2 operation (continuous - 1 stop every 72

hours) by changing the parameters of the AZL display.

(4) Noise emission tests carried out as specified in EN 15036-1 with measurement accuracy ó = ± 1.5 dB, in the manufacturer's combustion chamber

with burner operating on test boiler at maximum output.

4.5 Electrical data

Tab. B

Tab. C

(*) The output is calculated taking into account the use of a 5.5 kW pump motor.

Model RLS 1600/E C11 RLS 2000/E C11

Type LS003T1 1316T1

Power(1)

Delivery (1) min - max kW

kg/h 3065/9503 ÷ 15560 4000/12000 ÷ 19500

Fuels - Light oil, max. viscosity at 20 °C: 6 mm2/s (1.5°E - 6 cSt)

- Natural gas: G20 (methane gas) - G21 - G22 - G23 - G25

Gas pressure at max. output (2) -

Gas: G20/G25 mbar 145.5 190

Operation (3) - Intermittent/Continuous (min. 1 stop every 24/72 hours)

- Modulating

Nozzles number 1

Standard applications Boilers: water, steam, diathermic oil

Ambient temperature °C 0 - 50

Combustion air temperature °C max 60

Noise levels (4) Sound pressure

Sound power dB(A) 91

102

104

Weight kg 1000 1050

Model RLS 1600/E C11 RLS 2000/E C11

Electrical supply 3N ~ 400V 50 Hz

Fan motor IE2 rpm

2945

400/690

63.5/36.7

2960

400/690

77.8/45

Ignition transformer V1 - V2

I1 - I2

230 V - 1 x 8 kV

1 A - 20 mA

Absorbed electrical power Light oil

Gas kW max 44.5

52.5

Protection level IP 55

Model RLS 1600/E C11 RLS 2000/E C11

Electrical supply 3N ~ 400V 50 Hz

Fan motor IE3 rpm

2965

400/690

63.4/36.6

2965

400/690

76/43.9

Ignition transformer V1 - V2

I1 - I2

230 V - 1 x 8 kV

1 A - 20 mA

Maximum absorbed

electrical power

Light oil (*)

Gas kW max 48

41.5

55.8

49.3

Protection level IP 55

This manual suits for next models

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