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19 

2903397

GB

Start-up, calibration and operation of the burner

8.1

Notes on safety for the first start-up

8.2

Combustion adjustment

In conformity with Efficiency Directive 92/42/EEC the application
of the burner on the boiler, adjustment and testing must be car-
ried out observing the instruction manual of the boiler, including
verification of the CO and CO

2

 concentration in the flue gases,

their temperatures and the average temperature of the water in
the boiler.
To suit the required appliance output, fit the nozzle then adjust
the pump pressure, the setting of the combustion head and the
air damper opening in accordance with the following Tab. E.

Tab. E

*

With Kerosene, the pressure value in the 1st stage must be no
greater than 7 bar.

8.3

Nozzles installation

The burner complies with the emission requirements of the
EN 267 standard.
In order to guarantee that emissions do not vary, recommended
and/or alternative nozzles specified by the manufacturer in the In-
struction and warning booklet should be used.

 8

Start-up, calibration and operation of the burner

WARNING

The first start-up of the burner must be carried out
by qualified personnel, as indicated in this manual
and in compliance with the standards and regula-
tions of the laws in force.

WARNING

Check the correct working of the adjustment, com-
mand and safety devices.

Fu

el

Nozzle

Pump

pressure

Burner

output

Combustion head

adjustment

Air damper adjustment

bar

kg/h ± 4%

1

st 

stage

2

nd 

stage

GPH

Angle

1

st

2

nd

1

st

2

nd

Set-point

Set-point

Set-point

KE

RO

SEN

E

2.00

60°

7

*

11

5.90

7.27

0 (min)

1.9

2.3

2.25

60°

7

*

11

6.37

8.02

1

2

2.5

2.50

60°

7

*

11

6.90

8.62

1.5

2.1

2.6

2.75

60°

7

*

11

7.50

9.56

2

2.3

2.9

3.00

60°

7

*

11

8.56

10.64

2.5

2.4

3.1

3.50

60°

7

*

11

9.35

12.0

3

2.5

3.3

4.00

60°

7

*

11

10.50

13.15

3.5

2.7

3.8

4.50

60°

7

*

11

12.24

15.32

4

2.9

4

5.00

60°

7

*

11

14.35

17.95

5

4.1

8 (max)

5.50

60°

7

*

10

15.27

18.30

6 (max)

4.5

8 (max)

GAS OI

L

1.75

60°

9

14

6.1

7.6

1

2.3

2.6

2.00

60°

9

14

7.0

8.7

1.5

2.5

3.0

2.25

60°

9

14

7.8

9.8

2

2.7

3.5

2.50

60°

9

14

8.7

10.8

2.5

2.9

3.8

3.00

60°

9

14

10.4

13.0

3.5

3.2

4.3

3.50

60°

9

14

12.2

15.2

4

3.5

5.0

4.00

60°/45°

9

14

13.9

17.3

5

4.5

6.5

4.50

60°/45°

9

14

15.6

19.5

6

5

8.0

WARNING

It is advisable to replace nozzles every year dur-
ing regular maintenance operations.

CAUTION

The use of nozzles other than those specified by
the manufacturer and inadequate regular mainte-
nance may result into emission limits non-con-
forming to the values set forth by the regulations
in force, and in extremely serious cases, into po-
tential hazards to people and objects.
The manufacturing company shall not be liable for
any such damage arising from nonobservance of
the requirements contained in this manual.

Summary of Contents for G20D

Page 1: ...2903397 6 01 2014 Installation use and maintenance instructions Kerosene and Gas oil burner Two stage operation CODE MODEL TYPE 3748418 G20D 484T1...

Page 2: ...Original instructions...

Page 3: ...Firing rate 9 5 Installation 10 5 1 Notes on safety for the installation 10 5 2 Handling 10 5 3 Preliminary checks 10 5 4 Installer Servicer notes for the use of Gas oil with Bio blends up to 30 11 5...

Page 4: ...21 8 8 Electronic start delaying device 22 8 9 Burner start up cycle 22 9 Maintenance 23 9 1 Notes on safety for the maintenance 23 9 2 Maintenance programme 23 9 2 1 Maintenance frequency 23 9 2 2 Ch...

Page 5: ...lowing Technical Standard EN 12100 EN 267 and according to the European Directives MD 2006 42 EC Machine Directive LVD 2006 95 EC Low Voltage Directive EMC 2004 108 EC Electromagnetic Compatibility Th...

Page 6: ...ed 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 wit...

Page 7: ...ance and care of those burner components most likely to be subject to wear and tear the use of non original components including spare parts kits accessories and optional force majeure The manufacture...

Page 8: ...r at the tank and then a sec ondary filter of 60 Microns protecting the burner from con tamination If an existing oil storage tank is to be used then in addition to the materials checks as detailed ab...

Page 9: ...d maintenance errors or to improper use 3 3 Basic safety rules Children or inexpert persons must not use the appliance Under no circumstances must the intake grids dissipation grids and ventilation ve...

Page 10: ...y No 1 4 pin plug No 1 4 Technical description of the burner Type 484T1 Thermal power output Kerosene 72 86 219 kW 6 7 2 18 3 kg h Light oil 71 89 231 kW 6 7 5 19 5 kg h Fuel Kerosene viscosity 1 6 6...

Page 11: ...nt may be found by plotting a vertical line from the desired delivery and a horizontal line from the pressure in the combustion chamber The intersection of these two lines is the work point which must...

Page 12: ...s for the burner can be highly dangerous if not carried out with the great est attention keep any unauthorised people at a distance check the integrity and suitableness of the available means of handl...

Page 13: ...0 micron filter are used to protect the burner pump and nozzle from contamination The burner hydraulic components and flexible oil lines must be suitable for bio fuel use check with Riello if in doubt...

Page 14: ...ed between the boiler door and the burner flange If necessary the insulating gasket can be modified as shown in Fig 7 Fix the flange 1 to the boiler door 4 using screws 2 and if necessary the nuts 3 i...

Page 15: ...ARNING Where gas oil containing bio diesel is in use it is recommended to avoid over oxygenation of the blended fuels Where at all possible avoid the use of two pipe systems where the circulated fuel...

Page 16: ...L max lenght of the suction line I D interminal diameter of the oil pipes NOTE The Tab B shows the maximum approximate lengths for the sup ply line depending on the difference in level length and the...

Page 17: ...enght of the suction line I D interminal diameter of the oil pipes NOTE The Tab C and Tab D show the maximum approximate lengths for the supply line depending on the difference in level length and the...

Page 18: ...mally the boiler s thermostat pressure switch ensures the stopping of the burner If this is not the case it is necessary to apply in series with IN a timer switch that turns off the burner at least on...

Page 19: ...requested otherwise by local standards and legislation Connect 2nd stage thermostat between clamps T6 T8 removing the bridge 50V Motor Capacitor Limit thermostat Neutral L N Safety thermostat Remote...

Page 20: ...ition transformer on a plug in support 230V 50Hz CARRIED OUT IN THE FACTORY TO BE COMPLETED BY THE INSTALLER Fig 15 50V Motor Capacitor 1 2 3 4 5 6 7 8 9 11 12 N L 1 st Valve C A D C D A C D B 2 nd Va...

Page 21: ...he laws in force WARNING Check the correct working of the adjustment com mand and safety devices Fuel Nozzle Pump pressure Burner output Combustion head adjustment Air damper adjustment bar kg h 4 1st...

Page 22: ...s setting is not advisable for ignitions at low temperatures In any case do not bring the combustion head setting more than one point away from that indicated in the Tab E One set point corresponds to...

Page 23: ...in place of cap 5 8 6 2 2nd stage adjustment Adjustment of air shutter Place the small plug 9 Fig 21 of the electronic start delaying device 10 into the position II Item B Fig 22 In this way the burn...

Page 24: ...2 In relation of the position of the plug A Fig 26 it deter mines the type of required operation 8 9 Burner start up cycle Fig 25 II I II I II I II I II I II I A Position I II Burner operation in 1st...

Page 25: ...ly line and filters are clear The use of a pump vacuum gauge will assist in this This measure permits the cause of the anomaly to be traced to either the suc tion line or the pump If the problem lies...

Page 26: ...n and then check the combus tion readings with the parameters indicated within the appliance instruction manual Then carry out a combustion check verify ing Smoke temperature at the chimney Content of...

Page 27: ...ons of current laws Faults Possible Causes Solution The burner will not start when the limit thermostat closes Lack of electrical supply Check presence of voltage in the L N clamps of the control box...

Page 28: ...Subject to modifications RIELLO S p A I 37045 Legnago VR Tel 39 0442 630111 http www riello it http www rielloburners com...

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