Riello G10D Guida rapida

2902509 (3) - 07/2014

Installation, use and maintenance instructions

Instrucciones de instalación, montaje y funcionamiento

Kerosene and light oil burners

Quemadores de kerosene y gasóleo

Two stage operation

Funcionamiento de dos llamas

CODE - CÓDIGO MODELL - MODELE - MODEL

MODELO TYP - TYPE - TIPO

3746686 G10D 716 T81

3748415 G20D 717 T81

2509

ENGLISH

TECHNICAL DATA

◆

Burner with CE marking in conformity with EEC Directives: Machine Directive 2006/42/EC, Low Voltage

Directive 2006/95/EC, Electromagnetic Compatibility 2004/108/EC and Efficiency 92/42/EEC.

◆

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

TYPE 716 T81 717T81

Thermal power 44 / 54 – 120 kW 71 / 95 – 231 kW

Output 3.7 / 4.5 – 10 kg/h 6 / 8 – 19.5 kg/h

Fuel Kerosene, viscosity 1.6 – 6 mm

/s at 20 °C (Hi= 11.97 kWh/kg)

Light oil, viscosity 4 – 6 mm

/s at 20 °C (Hi= 11.86 kWh/kg)

Electrical supply Single phase, 220V

10%

–

15%

60Hz

Motor Run current 1.1A

3300 rpm – 345 rad/s Run current 2.15A

3250 rpm – 340 rad/s

Capacitor 2.5 µF 4 µF

Ignition transformer Secondary 8 kV – 16 mA

Pump Pressure: 8 – 15 bar

Absorbed electrical power 0.2 kW 0.4 kW

1– Return line

2– Suction line

3– Gauge connection

4– Pressure regulator, 2

stage

5– Vacuum gauge connection

6– Hydraulic jacks with air-damper

7– Combustion head adjustment screw

8– Reset button with lock-out lamp

9– Flange with insulating gasket

10 – Regulation pressure, 1

stage

11 – Economizer

D8078

Fig. 1

2509

FIRING RATES

(as EN 267)

0.8

0.4

3 4 5 Fuel output - kg/h

40 50 120 Thermal power - kW

D5815

60 70 80 90 100

0.2

0.6

Pressure in the combustion

chamber – mbar

6 7 9 108

110

1.0

1.2

3.7

3.2

1.6

468 Fuel output - kg/h

60 90 Thermal power - kW

D6122

120 150 180 210 240

0.8

2.4

10 12 16 2014

4.0

716 T81

717 T81

Pressure in the combustion

chamber – mbar

2509

OVERALL DIMENSIONS

BURNER EQUIPMENT

Quantity Description

Flexible pipes with nipples

Flange with insulating gasket

Screws and nuts for flange

Maintenance assembly

Screw with two nuts for flange

7 pin plug

4 pin plug

Flange Burner

305 108 261

140

45°

262

204

D5670

189

83 83

170

45°

105

RIELLO 40 G10D TYPE 716T81

RIELLO 40 G20D TYPE 717T81

Flange Burner

350 118 295

160

45°

125

298

230

D5283

213

99 99

190

45°

2509

INSTALLATION

BOILER FIXING

➣

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

➣

Widen, if necessary, the insulating gasket holes (5), (see fig. 3).

➣

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. 4).

MAINTENANCE POSITION

Access to the combustion head, diffuser disc / electrodes unit and nozzle, (see fig. 5).

➣

Remove the burner out of the boiler, after loosing the fixing nut to the flange.

➣

Hook the burner to the flange (1), by removing the combustion head (6) after loosing the fixing screws (7).

➣

Remove the diffuser disc-holder assembly (9) from the nozzle-holder (8) after loosing its fixing screw.

➣

Screw the nozzle (10).

D5012

Fig. 2

Fig. 3

E9022

D8058

Fig. 4

Fig. 5

Fig. 6

Verify that the installed burner is lightly leaned towards the

button.

(See figure 6).

The burner is designed to allow entry of the flexible oil-lines

on either side of the burner.

D5572

D8056 D8057

2509

HYDRAULIC SYSTEMS

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

tion 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 airtight.

The return line should terminate 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 priming.

Should lock-out occur prior to the arrival

of the fuel, await at least 20 seconds

before repeating the operation.

◆

Check periodically the flexible pipes conditions. Using kerosene, they have to be replaced at

least every 2 years.

◆

A metal bowl filter with replaceable micronic filter must be fitted in the oil supply pipe.

meters

L meters

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

L meters

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

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) and

wait until the fuel flows out.

D5809

2509

ELECTRICAL WIRING

(50V)

Motor

Capacitor

Limit thermostat

Neutral

Main switch

T6A

220V

60Hz

L N

Safety thermostat

Remote lock-out signal

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

1 N T1 T2 S3B4

1 2

D5822

CARRIED-OUT IN THE FACTORY

Burners’s

7 pole socket

3 4 5 6 7 8 9 11 12

N L

Yellow/

Valve

Hour counter

WARNING

DO NOT EXCHANGE THE NEUTRAL WITH THE PHASE

NOTES:

– Wires of 1 mm

section.

– The electrical wiring carried out by the installer must

be in compliance with the rules in force in the Country.

●

Connect 2

stage thermostat between clamps

T6 and T8 removing the bridge.

Boilers’s

7 pin plug

green C D A E

A D

Valve

Terminal block of

control-box 530SE

2061425

Economizer

B5 T6 T7 T8 4 pin plug

4 pole socket

●

stage

thermostat

Brown

White

Blue

Black

Grey

2509

CONTROL BOX

(See fig. 3)

COMBUSTION ADJUSTMENT

To suit the required appliance output, fit the nozzle, the settings of the combustion head and the

air damper opening in accordance with the following schedule.

Nozzle Pump

pressure Burner

output Comb. head

adjustment Air damper adjustment

bar kg/h ± 4% 1

stage 2

stage

GPH Angle 1

Set-point Set-point Set-point

1.35 60° 7 11 3.5 4.5 1.5 2.1 2.5

1.50 60° 7 11 4.2 5.2 1.5 2.5 3.1

1.75 60° 7 11 4.5 5.6 2.0 2.5 3.0

2.00 60° 7 11 5.7 7.1 3.0 2.8 3.5

2.25 60° 7 11 6.1 7.5 3.0 2.9 3.8

2.50 60° 7 11 6.5 8.2 3.5 3.0 4.2

2.75 60° 7 11 7.6 9.7 4.0 3.5 8.0

3.00 60° 7 10 8.3 10.1 6.0 3.6 8.0

NOZZLES RECOMMENDED:

Monarch type R ; Delavan type B

Steinen type S - Q ; Danfoss type S

S7348

Ignition

transformer

Photoresistance

S7057

Fig. 3

To remove the control-box from the burner, loosen screw (A)

and pull towards the arrow.

RUN OF THE ELECTRICAL CABLES

1- Cable grommet

2- Cable-clamp

3- Terminal block

4- Clamps for 2

stage thermostat

5- 4 pole socket for 2

stage thermostat

6- 7 pole socket for burner

N- Neutral

- Lock-out lamp

L- Phase

- Burner-earth

The photoresistance is fitted directly into the

control box (underneath the ignition-transformer)

on a plug-in support.

TESTING

Check the shut-down of the burner by opening the

thermostats.

FUEL KEROSENE

RIELLO 40 G10D TYPE 716 T81

2509

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

bar kg/h ± 4% 1

stage 2

stage

GPH Angle 1

Set-point Set-point Set-point

2.25 60° 7 11 6.1 7.7 1.0 1.8 2.1

2.50 60° 7 11 6.9 8.7 1.5 2.0 2.5

2.75 60° 7 11 7.2 9.3 2.0 2.0 2.5

3.00 60° 7 11 7.9 10.0 2.5 2.1 2.7

3.50 60° 7 11 9.2 11.8 3.0 2.5 2.8

4.00 60° 7 11 11.0 14.3 3.5 2.8 3.4

4.50 60° 7 11 12.1 15.6 4.0 2.9 3.8

5.00 60°/45° 7 11 13.8 17.7 4.5 3.5 4.5

5.50 60°/45° 7 11 15.1 19.5 5.0 3.5 5.5

NOZZLES RECOMMENDED:

Monarch type R - PLP ; Delavan type B

Steinen type S - SS ; Danfoss type S

Angle

: 60° :

in most cases. Particularly suited to avoid

flame-detachment during ignition.

45° :

for narrow and long combustion-chambers.

RIELLO 40 G20D TYPE 717 T81

In the sketch on the left, the combustion

head is set for an output of 2.00 GPH

for type 716T81 and 3.50 GPH for type

717T81 at 7/11 bar, while the shutter is

level with set-point 3, as required by the

above schedule.

Blast tube

Regulating rod

Shutter

Terminal plane of the blast tube

D5398

135

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