Riello G3 Quick start guide

20013745 (3) - 04/2011

Installation, use and maintenance instructions

安装 , 使用以及维护说明书

Light oil burner

轻油燃烧器

CODE - 编码 MODEL - 型号 TYPE - 类型

20013625 G3 431T1

One stage operation

一段火运行

20013745

INFORMATION ABOUT THE INSTRUCTION MANUAL

INTRODUCTION

The instruction manual supplied with the burner:

- is an integral and essential part of the product and must not be sepa-

rated 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 Service 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.

DELIVERY OF THE SYSTEM AND THE INSTRUCTION MAN-

UAL

When the system is delivered, it is important that:

- The instruction manual is supplied to the user by the system manu-

facturer, 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 Assistance

Centre;

- The system supplier carefully informs the user about:

- the use of the system,

- any further tests that may be necessary before the system is

started up,

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

once a year by the manufacturer or another specialised techni-

cian.

To ensure a periodic check, recommends the drawing up

of a Maintenance Contract.

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

1 20013745

TECHNICAL DATA

Burner with CE marking in conformity with EEC Directives: EMC 2004/108/EC, Low Voltage 2006/95/

EC, Machines 2006/42/EC.

The burner meets protection level of IP 40, EN 60529.

TYPE 431T1

Thermal power – output 19 – 35 kW – 1.6 – 3 kg/h

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

Electrical supply Single phase, 230V ±10% ~50Hz

Motor Run current 0.7A – 2850 rpm – 298 rad/s

Capacitor 4 F

Ignition transformer Secondary 8 kV – 16 mA

Pump Pressure 7 – 15 bar

Absorbed electrical power 0.115 kW

1–Return line

2–Suction line

3–Gauge connection

4–Pump pressure regulator

5–Vacuum gauge connection

6–Screws fixing air damper

7–Hydraulic jack with air damper

8–Lock-out lamp and reset button

9–Flange with insulating gasket

10 –Combustion head adjustment screw

HYDRAULIC JACK OPERATION 7)(Fig. 1)

It is strongly recommended a periodic check of the

pump pressure operation (annually or better every

six months, if the burner operation is continuous).

If the value is lower than 1 bar, compared to that

one of the initial setting, please check the cleaning

of the pump and line filters.

In case the pressure setting was not restorable,

please replace the pump, in order to guarantee that

the pump pressure during the pre-purge time is at

least 3.7 bar.

DANGER

Fig. 1

D5492 123

20013745 2

BURNER EQUIPMENT

WORKING FIELD

OVERALL DIMENSIONS

Quantity Description

Flexible pipes with nipples

Flange with insulating gasket

Screws and nuts for flange

Grommet

Screw with two nuts for flange

0.8

0.2

0.4

Pressure in the combustion

chamber – mbar

1.5 2 2.5 3 Light oil output - kg/h

20 25 30 35 Thermal power - kW

D5223

0.6

Flange Burner

252 110 203

130

45°

ø89

215

164

D5491

180

75 72

150

45°

3 20013745

MOUNTING THE BURNER

It is necessary that the insulating gasket

(9, fig. 1) is placed between the boiler

door and the burner flange.

This insulating gasket has six holes,

which, if necessary, can be modified as

shown on the drawing on the right.

Verify that the installed

burner is lightly leaned

towards the button.

(See figure 2).

The burner is designed

to allow entry of the flex-

ible oil-lines on either

side of the burner.

D5242

D5218

Fig. 2

BURNER FIXING

S7387

20013745 4

OIL LINES

Warning: before starting the burner make sure that the return pipe-line is not clogged: any

obstruction would cause the pump seals to break.

The pump vacuum should not exceed

a maximum of 0.4 bar (30 cm Hg).

Beyond this limit gas is released from

the oil.

Oil lines must be completely air-

tight. The return line should termi-

nate in the oil tank at the same level

as the suction line; in this case a

non-return valve is not required.

When the return line arrives over the

fuel level, a non-return valve must be

used.

This solution however is less safe than

previous one, due to the possibility of

leakage of the valve.

PRIMING THE PUMP

Start the burner and wait for the prim-

ing. Should lock-out occur prior to the

arrival of the fuel, await at least 20 sec-

onds before repeating the operation.

A filter must be installed on the suction fuel line.

meters

Lmeters

I. D.

8 mm I.D.

10 mm

0.5

1.5

100

WARNING

The pump is supplied for use with a two pipe system.

For use on a one pipe system, it is necessary to remove the by-pass

screw (A), (see figure).

meters

Lmeters

I. D.

8 mm I.D.

10 mm

0.5

1.5

3.5

100

H max. 4 m

max. 4 m

min. 0.1 m

D5219

D5220

D5199

H=Difference of level.

L=Max. length of the

suction line.

I.D.=Internal diameter of the

oil pipes.

PRIMING THE PUMP

Loosen the plug of the vacuum gauge (5, fig. 1,

page 1) and wait until the fuel flows out.

5 20013745

ELECTRICAL WIRING

Brown

White (50V)

Blue

Motor

Capacitor

Regulating thermostat

Neutral

Switch with fuse

6A max.

S7026

Black

NOTES

– Wires of 1 mm2section.

– The electrical wiring carried out by the installer

must be in compliance with the rules in force in

the Country.

– To remove the control-box from the burner,

loosen screw (A) (see figure) and pull towards

the arrow.

– The photoresistance is fitted directly into the

control-box (underneath the ignition-trans-

former) on a plug-in support.

TESTING

Check the shut-down of the burner by opening the

thermostats.

CARRIED-OUT IN THE FACTORY

WARNING

Do not exchange the neutral with the phase.

230V ~50Hz

Limit thermostat

with manual resetting

Remote lock-out lamp

(230V - 0.5A max.), if required

123456789

Blue

Brown

Terminal block of

control-box 530SE*

Valve

RUN OF THE ELECTRICAL CABLE

1- GrommetN- Neutral

2- Cable-clampL- Phase

3- Terminal block - Burner-earth

A321

D5228

Black

20013745 6

COMBUSTION ADJUSTMENT

In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjust-

ment and testing must be carried out observing the instruction manual of the boiler, including verifi-

cation of the CO and CO2concentration 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 schedule.

The values shown in the table are measured on a CEN boiler (as per EN 267).

They refer to 12.5% CO2at sea level and with light oil and room temperature of 20 °C.

NOZZLES RECOMMENDED: Monarch type R - NS; Delavan

type W - A - E

Steinen type H - Q ; Danfoss type H - B

Angle:60°:in most cases.

80° : in case of flame detachment, during igni-

tions at low temperatures.

PRESSURE 12 bar : the pump leaves the factory set at this value

14 bar : improves flame retention; it is therefore suitable for ignitions at low

temperatures.

COMBUSTION HEAD SETTING:This is done when fitting the nozzle, with the blast tube

removed. It depends on the output of the burner and is

carried out by rotating the regulating rod, till the terminal

plane of the blast tube is level with the set-point, as indi-

cated in the schedule.

Nozzle Pump pressure Burner output Comb. head

adjustment Air damper

adjustment

GPH Angle bar kg/h ± 4% Set-point Set-point

0.40 80° 12 1.6 0 2.4

0.50 60°/80° 12 2.0 1 3.1

0.60 60°/80° 12 2.4 2 3.6

0.65 60°/80° 12 2.6 3 3.8

0.75 60° 12 3.0 4 4.0

In the sketch on the left, the combus-

tion head is set for an output of 0.60

GPH at 12 bar, while the shutter is

level with set-point 2, as required by

the above schedule.

Blast tube

Regulating rod

Shutter

Terminal plane of the blast tube

D5322

135

7 20013745

Combustion head settings indicated in the schedule are valid for most cases.

The setting of the fan output according to the installation should normally be done only through the

air damper. Should one subsequently want to retouch also the setting of the combustion head, with

the burner running, operate on the rod (1) with a 6 mm spanner (2) as follows:

Turn to the right: (sign +), in order to increase the vol-

ume of air entering the combustion chamber and thus

diminishing its pressure.

There is a reduction of CO2and the adhesion of the

flame to the air diffuser disc improves.

(Setting advisable for ignitions at low temperatures).

Turn to the left: (sign –), in order to reduce the volume

of air entering the combustion chamber and thus

increasing its pressure. The CO2improves and the

adhesion of the flame to the diffuser tends to reduce.

(This setting is not advisable for ignitions at low tempera-

tures).

In any case do not bring the combustion head setting

more than one point away from that indicated in the

schedule. One set-point corresponds to 3 turns of the

rod; a hole (3) at its end facilitates counting the number

of turns.

AIR DAMPER ADJUSTMENT:The mobile air damper (A) operated by the jack (B) as-

sures the complete opening of the air intake.

The regulation of the air-rate is made by adjusting the

fixed air damper (C), after loosing the screws (D).

When the optimal regulation is reached, screw tight the

screws (D) to assure a free movement of the mobile air

damper (A).

The settings indicated in the schedule refer to the burner

with its metal cover fitted and the combustion chamber

with “zero” depression.

These regulations are purely indicative.

Each installation however, has its own unpredictable

working conditions: actual nozzle output; positive or neg-

ative pressure in the combustion-chamber, the need of

excess air, etc.

All these conditions may require a different air-damper

setting.

It is important to take account of the fact that the air output of the fan differs according to

whether the burner has its metal cover fitted or not.

Therefore we recommended to proceed as follows:

– adjust the air damper as indicated in the schedule (4, page 5);

– mount the cover, simply by means of the upper screw;

– check smoke number;

– should it become necessary to modify the air output, remove the cover by loosening the screw,

adjust the air damper, remount the cover and finally recheck the smoke number.

D5323

D5786

A B

20013745 8

ELECTRODE SETTING

BURNER START-UP CYCLE

MAINTENANCE POSITION

Attention:

Before assembling or removing

the nozzle, loosen the screw (A)

and move the electrodes ahead

2 – 2.5 mm

4± 0.3 mm

IMPORTANT:

THESE DIMENSIONS

MUST BE OBSERVED

D5230 A

Normal Lock-out, due to light-failure

Thermostat

Motor

Ignition transformer

Valve

Flame

Lock-out lamp

~12s D5229

~12s ~5s

Insert in the hole (1) the pin (2)

and fix the burner with the nut

(3) fitted wrong-side up.

312

FLANGE

D5325

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