Riello Burners RG0.R Quick start guide

Montage- og driftsinstruktion

Montage- och driftinstruktion

Montasje og driftsinstruks

Installation, use and maintenance instructions

2902611 (5)

Light oil burners

Oliebrændere

Oljebrännare

Oljebrennere

CODE - KODE - KOD MODEL - MODELL TYPE - TYP

3736520 RG0.R 367 T1

3736521 RG0.R 367 T1

3736720 RG0.1R 368 T1

One stage operation

Et-trins funktion

Enstegsfunktion

Ett-trinns brenner

2611

1GB

INDEX

1. BURNER DESCRIPTION

One stage gas oil burner.

1.1 BURNER EQUIPMENT

Flange with insulating gasket . . . .No. 1 Screw and nuts for flange to be fixed to boiler . No. 4

Screw and nuts for flange . . . . . .No. 1 Flexible oil pipes with nipples . . . . . . . . . . . . . . No. 2

7 pin plug . . . . . . . . . . . . . . . . . . .No. 1

1. BURNER DESCRIPTION. . . . . . . . . . . . 1

1.1 Burner equipment . . . . . . . . . . . . . . . . . 1

2. TECHNICAL DATA . . . . . . . . . . . . . . . . 2

2.1 Technical data . . . . . . . . . . . . . . . . . . . . 2

2.2 Overall dimensions . . . . . . . . . . . . . . . . 2

2.3 Working fields . . . . . . . . . . . . . . . . . . . . 2

3. INSTALLATION . . . . . . . . . . . . . . . . . . . 3

3.1 Boiler fixing . . . . . . . . . . . . . . . . . . . . . . 3

3.2 Fuel supply . . . . . . . . . . . . . . . . . . . . . . 3

3.3 Hydraulic systems . . . . . . . . . . . . . . . . . 4

3.4 Electrical wiring . . . . . . . . . . . . . . . . . . . 5

4. WORKING . . . . . . . . . . . . . . . . . . . . . . . 6

4.1 Combustion adjustment. . . . . . . . . . . . . . 6

4.2 Recommended nozzles . . . . . . . . . . . . . . 6

4.3 Setting of electrodes . . . . . . . . . . . . . . . . 7

4.4 Pump pressure . . . . . . . . . . . . . . . . . . . . 7

4.5 Air damper adjustment . . . . . . . . . . . . . . 7

4.6 Fuel heating . . . . . . . . . . . . . . . . . . . . . . 8

4.7 Burner start-up cycle . . . . . . . . . . . . . . . . 8

5. MAINTENANCE . . . . . . . . . . . . . . . . . . . 8

6. FAULTS / SOLUTIONS . . . . . . . . . . . . . . 9

■CE Certification No. : 0036 0272/99 (367T1) - 0036 0273/99 (368T1), as 92/42/EEC.

■The burner meets protection level of IP X0D (IP 40), EN 60529.

■Burner with CE marking in conformity with EEC directives: EMC 89/336/EEC, Low Voltage 73/23/EEC,

Machines 98/37/EEC and Efficiency 92/42/EEC.

1– Oil pump

2– Control-box

3– Reset button with lock-out

lamp

4– Photoresistance

5– Flange with insulating

gasket

6– Air damper adjustment assembly

7– Nozzle holder assembly

Fig. 1 E9073

2611

2GB

2. TECHNICAL DATA

2.1 TECHNICAL DATA

2.2 TECHNICAL DATA

2.3 WORKING FIELDS (as EN 267)

TYPE 367T1 368T1

Output - Thermal power kg/h 1.4 – 2.3 1.8 – 3.1

kW 16.6 – 27.3 21.3 – 36.7

Fuel Gas oil, viscosity 4 – 6 mm2/s at 20 °C

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

Motor Run current 0.85A – 2750 rpm – 289 rad/s

Capacitor 4 µF

Ignition transformer Secondary 8 kV – 16 mA

Pump Pressure: 8 – 15 bar

Absorbed electrical power 0.29 kW

A B F 180

130

150

45°

D1674

øD

CODE-TYPE ABCDEFG

3736520 - 367T1 220782084168255210

3736521 - 367T1 205 120 5 84 168 255 210

3736720 - 368T1 205 93 5 84 168 255 210

1.4 1.8

15 20 25

0.8

0.6

0.4

0.2

2.2

1.0

2.6

Gas oil output – kg/h

Thermal power – kW

Pressure in combustion

chamber – mbar

D1673

367T1 368T1

1.61.2 2.4 2.8 3.22

2611

3GB

3. INSTALLATION

THE BURNER MUST BE INSTALLED IN CONFORMITY WITH LEGISLATION AND LOCAL STANDARDS.

3.1 BOILER FIXING

➤Put on the flange (1) the screw and two nuts, (see fig. 2).

➤Widen, if necessary, the insulating gasket holes (5).

➤Fix the flange (1) to the boiler door (4) using screws (2) and (if necessary) the nuts (3) interposing the

insulating gasket (5), (see fig. 3).

3.2 FUEL SUPPLY

The burner is designed to allow entry of the oil supply pipes on either side.

Depending on the oil supply pipes position (to the right or to the left hand side of the burner) the fixing plate

(1) and closing plate (2) should be reversed, (see fig. 4).

E9075

E9076

2 5 4

Fig. 2

Fig. 3

D4137

Fig. 4

2611

4GB

3.3 HYDRAULIC SYSTEMS

It is necessary to install a filter on the fuel supply line.

H= difference of level; L= max. length of the suction line; I. D. = internal diameter of the oil pipes.

max. 4 m

D6195

Fig. 7 Fig. 8

PRIMING PUMP:

On the system in fig. 6 it is sufficient to loosen the suction gauge

connection (5, fig. 5) and wait until oil flows out.

On the systems in fig. 7 and 8 start the burner and wait for the priming.

Should lock-out occur prior to the arrival of the fuel, await at least 20 seconds

before repeating the operation.

The pump suction should not exceed a maximum of 0.4 bar (30 cm Hg).

Beyond this limit gas is released from the oil. Oil pipes must be completely tight.

In the vacuum systems (fig. 8) the return line should terminate within the oil tank

at the same level as the suction line. In this case a non-return valve is not re-

quired. Should however the return line arrive over the fuel level, a non-return

valve is required.

This solution however is less safe than previous one, due to the possibility of

leakage of the valve.

meters

L meters

I. D.

8 mm

I. D.

10 mm

0.5

1.5

100

meters

L meters

I. D.

8 mm

I. D.

10 mm

0.5

1.5

3.5

100

SYSTEM NOT PERMITTED

IN GERMANY

■The pump is designed to allow working with two pipes. In

order to obtain one pipe working it is necessary to unscrew

the return plug (2), remove the by-pass screw (3) and then

screw again the plug (2). (See fig. 5).

■Before starting the burner make sure that the return pipe-line is

not clogged. An excessive back pressure would cause the

damage of the pump seal.

WARNING:

Fig. 6

max. 4 m

D6194

1- Suction line

2- Return line

3- By-pass screw

4- Gauge connection

5- Pressure adjuster

6- Suction gauge connection

7- Valve

8- Auxiliary pressure test point

F i g . 5

D5912

2611

5GB

3.4 ELECTRICAL WIRING

TESTING

Check the shut-down of the

burner by opening the thermo-

stats and the lock-out by dark-

ening the photoresistance.

ESEGUITO IN FABBRICA

NOTES:

– Wires of min. 1 mm2section. (Unless requested

otherwise by local standards and legislation).

– The electrical wiring carried out by the installer

must be in compliance with the rules in force in

the Country.

WARNING

CONTROL BOX

To remove the control box from the burner, loosen screw (A, fig. 9)

and pull to the arrow direction, after removing all components, the

7pinplugand earth wire.

In case of disassembly of the control box, retighten the screw

(A) with a torque wrench setting of 1 – 1.2 Nm.

DO NOT EXCHANGE NEUTRAL WITH PHASE

7 pin plug

7 pole socket

Black

White

Capacitor

Main switch

T6A

Motor

Safety

thermostat

Blue

Oil valve

Hour counter

(230V - 0.

max.)

thermostat

Limit Remote lock-out signal

(230V - 0.5A max.)

Ignition

electrodes

Brown

Air damper

Burner-earth

CARRIED-OUT IN THE FACTORY

Heater with start

thermostat

553SE/H

CONTROL BOX

D4000

Photoresistance

coil

PE L N

50Hz 230V

Blue

Brown

Blue

S7186

Fig. 9

2611

6GB

4. WORKING

4.1 COMBUSTION ADJUSTMENT

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

testing must be carried out observing the instruction manual of the boiler, including verification of the CO and CO2

concentration in the flue gases, their temperatures and the average temperature of the water in the boiler.

To suit the required appliance output, choose the proper nozzle, adjust the pump pressure 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.

4.2 RECOMMENDED NOZZLES: Delavan type W - B ; Danfoss type S - B;

Monarch type R ; Steinen type S - Q.

MAINTENANCE POSITION

TYPE

Nozzle Pump pressure Burner output Air damper adjustment

GPH Angle bar kg/h ± 4% Set-point

367T1

0.40 60° 11 1.4 1.0

0.50 60° 12 1.9 1.8

0.60 60° 12 2.3 2.8

368T1

0.50 60° 12 1.9 1.5

0.60 60° 12 2.3 2.2

0.65 60° 12 2.5 2.7

0.75 60° 13 3.0 3.9

ACCESSIBILITY TO THE NOZZLE, THE DIFFUSER

DISC AND THE ELECTRODES, (see fig. 10)

➤Remove the burner from the boiler after loosening the

flange anchor nut.

➤For the codes 3736521 and 3736720, hook the burn-

er on to the flange (1).

➤Loosen the bolts (3) and remove the blast tube (2) by

rotating (the fitting is bayonet type).

➤Remove the small cables (4) from the electrodes

and the diffuser disc-holder assembly (5) from the

nozzle-holder assembly after loosing its fixing

screw (3, fig. 11, page 7).

➤Screw the nozzle (6) and tighten it as shown in the

figure.

WARNING

In the event of maintenance

made to the nozzle-holder

assembly, screw the nut (C)

as shown in the figure to the

right.

TIGHTEN WITHOUT MOVING

BACKWARDS TO THE END

D5684

E9121

Fig. 10

2611

7GB

4.3 SETTING OF ELECTRODES, (see fig. 11)

4.4 PUMP PRESSURE: - The pump leaves the factory set at 12 bar.

- To change it act on pump pressure adjust screw (4, fig. 5, page 4).

4.5 AIR DAMPER ADJUSTMENT, (see fig. 12)

➤Use the knob (1) to make adjustments after slightly loosening the screw (2) and swinging out the protective

covering (3).

➤Once adjustments have been made, place the protective covering (3) in its correct position and tighten the

screw (2).

➤Fig. 12 shows adjustment of the air damper to a flow rate of 2.1 kg/h (notch 2.6).

➤When burner shuts down the air damper automatically closes to a max flue draw of 0.5 mbar.

➤The burner is also fitted with an electromagnetic device (4) which prevents any slamming of the air damper on

burner starting, even in the presence of high boiler counter-pressure.

NOTE

In the event that the electromagnetic damper anti-slamming device (4, fig. 12) fails, the burner will not start as

the device is connected to the motor in series (see diagram page 5), and as such takes on a role of safety

device.

In the event of an anomaly, the burner may even be started without the device as it is connected to the circuit via

special connectors which allow it to be cut out. The male and female connectors on the device wire must be

disconnected and the motor connectors must be connected between them.

When resorting to this temporary solution, it is fundamental that an alternative adjustment of the air damper is

carried out.

2 – 0.2 mm

PLACE THE DIFFUSER DISC-HOLDER ASSEMBLY (1) ON THE NOZZLE-HOLDER (2) AND TIGHTEN

THE SCREW (3). For any adjustments, loosen the screw (4) and move the electrodes (5).

4.5 – 0.5 mm

D1676

3 2

5 4

To have access to the elec-

trodes carry out operation as

described in chapter “4.2

RECOMMENDED NOZZLES”

(page 6).

Fig. 11

+0.2

WARNING

MEASURES MUST BE

RESPECTED

Fig. 12

Adjustment reference side

D1693

D1691

012 453

2611

8GB

4.6 FUEL HEATING

In order to assure regular ignition and working also at low temperature the burner has an oil pre-heater fit-

ted in combustion head. The pre-heater starts when thermostats close.

When the required temperature for ignition is reached the thermostat fitted on the nozzle holder starts the

burner (delay time: 0 to 150 seconds)

The pre heater remains energised during working and cuts out when burner shuts-down.

4.7 BURNER START-UP CYCLE

Lock out is indicated by a lamp on the control box (3, fig. 1, page 1).

5. MAINTENANCE

The burner requires periodic maintenance carried out by a qualified and authorised technician in conformity

with legislation and local standards.

Maintenance is essential for the reliability of the burner, avoiding the excessive consumption of fuel and

consequent pollution.

Before carrying out any cleaning or control always first switch off the electrical supply to the

burner acting on the main switch of the system.

THE BASIC CHECKS ARE:

➤Check that there are not obstructions or dents in the supply or return oil pipes.

➤Clean the filter in the oil suction line and in the pump.

➤Clean the photoresistance, (4, fig. 1, page 1).

➤Check for correct fuel consumption.

➤Replace the nozzle (see fig. 10, page 6) and check the correct position of electrodes (fig. 11, page 7).

➤Clean the combustion head in the fuel exit area, on the diffuser disc.

➤Leave the burner working without interruptions for 10 min. and set rightly all the components stated in

this manual. Then carry out a combustion check verifying:

●Smoke temperature at the chimney ●Content of CO2(%) ●Content of CO (ppm)

●Smoke value according to opacity smokes index according to Bacharach scale.

D5023

0÷150s 0 ÷150s

~ 12s~ 12s

Thermostat

Heating

Motor

Ignition transformer

Oil valve

Flame

Lock-out lamp

Lock-out due to

failure to light

Normal

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