Riello GI/EMME 300 Guida rapida

2915142 (6)

Installation, use and maintenance instructions

Dual fuel Gas-Oil/Gas burner

MODEL TYPE

GI/EMME 300 495 T80

5142

TECHNICAL FEATURES

The burner conforms to IP 40 level of insulation as per CEI/70.1

Thermal power 107/175 ÷ 340 kW - 92.000/150.000 ÷ 292.000 kcal/h

Fuels Oil, max. viscosity at 20°C: 6mm

/s (1.5°E) natural gas with

Pci 8600 kcal/m

Lpg with Pci 22.200 kcal/m

Minimum gas pressure

(measured at the test-point) Maximum capacity requires 9.6 mbar with natural gas,

11.8 mbar with LPG. Combustion chamber at 0 mbar.

Maximum gas pressure 150 mbar

Electrical supply Single-phase 220 V +10% -15% 60 Hz

Fan-capacitor motor 1.85A / 220 V - 6.3 µF

Pump-capacitor motor1A / 220 V - 6.3 µF

Ignition transformer Primary: 1.8A / 220 V - Secondary: 30 mA / 1x8 kV

Pump Output 50 kg/h at 12 bar - max pressure 15 bar

Operation Two stage: gas or oil

Fig. 1

EQUIPMENT

Quantity Burner accessories

1 Gas-train’s gasket

8 Screws

1 Insulating screen

3 Seal

2 Oil hoses

4 Connectors

4 Gaskets

1 Lpg transf. kit

2 Oil nozzles

1 Flange

KEY TO LAY-OUT

1- Oil valve 1°

2- Oil valve 2°

3- Safety oil valve

4- Oil supply port

5- Oil return port

6- Pressure regulator at the pump

7- Air damper motor

8- Pressure gauge port (G 1/8)

9- Vacuum gauge port (G 1/8)

10 - Terminal board

11 - Fan motor capacitor

12 - Cable gland

13 - UV photocell

14 - Oil motor capacitor

15 - Oil-gas selector switch

16 - Control-box reset button

17 - Air pressure-switch

2 1 394 5 87 6 17 15 11 10 12

S7537

5142

DIMENSIONS

WORKING RANGE

PRESSURE IN THE COMBUSTION CHAMBER - 2

STAGE OUTPUT

MINIMUM GAS PRESSURE - 2

STAGE OUTPUT

Pressure

: measured at the test point with combustion chamber at 0 mbar.

Boiler front-plate

drilling

* Extension that you can obtain with special extended head (to be requested separately)

Burner

160

155 M10

410 610

185

*320

397

292

165

Rp 1 1/2

D1785

S7564

S7565

ø 140

Kcal/h

mbar

S7585

Min output at 1st stage 107kW - 9Kg/h

Kcal/h

mbar

S7586

Gas pressure test point

Natural gas

LPG S7536

5142

FIXING TO THE BOILER

GAS SUPPLY LINE

In order to devide the combustion head from the rest of the burner, you have to:

- remove the connection (1) from the two valves;

- remove the 4 screws (2 - 3);

- slide the burner body (A) along the rails (4);

- mount the group (B) to the boiler’s plate (6) interposing gasket (5).

Mount the group (A) to the boiler front.

Fit the nozzles and regulate the combustion head (as specified below).

S7539

654132

{

1- Gas supply pipe 7- Min. gas pressure switch

2- Manual valve 8- Gas safety shut off valve

3- Isolator joint 9- 1° stage gas shut off valve

4- Filter 10 - 2° stage gas shut off valve

5- Pressure governor 11 - Burner

6- Pressure test-point

S7566

6986

32 1

5142

OIL SUPPLY

S7542

S7541

Please note:

all oil lines must be airtight.

We suggest copper-piping. Level as the suc-

tion pipe, then a none return valve is not

required and the section-pipe can be discon-

nected without causing any problems.

H= Margin; L= Inlet-pipe’s length, including the vertical line.

The copper pipes with diameter 8 and 10, shown in the schemes, can be replaced with 1/4 and 3/8

steel pipes, commercial gas without welding.

HLm

m Øi 8 Øi 10

0.5 5 10

11020

1.5 15 30

22040

HLm

m Øi 8 Øi 10

03270

0.5 28 62

12455

1.5 20 48

21640

3725

3.5 – 10

max. 4m

5142

BURNER ELECTRICAL WIRING

(carried out in the factory)

KEY TO LAY-OUT

C: Pump motor capacitor

C1: Fan motor capacitor

CO:Selector switch

MA:Auxiliary terminal strip

MB:Burner terminal strip

MP:Pump motor

MV:Fan motor

PA: Air pressure switch

SM:Servo-motor

TA: Ignition transformer

TB: Burner earth

UV: Probe U.V.

V1: 1° stage valve

V2: 2° stage valve

VS: Oil safety valve

SELECTOR SWITCH

OIL O GAS

3 - 4

5 - 6

7 - 8

9 - 10

11 - 12

13 - 14

15 - 16

S7587

S7562

5142

ELECTRICAL CONNECTIONS TO THE WIRING TERMINAL BLOCK

(to be carried out by the installer)

KEY TO LAYOUT

MB - Burner terminal strip V1 - 1° stage gas shut off valve

TS - Safety remote control system V2 - 2° stage gas shut off valve

TL - Limit control system VS - Gas safety shut off valve

TR - 2° stage remote control system S-Remote lock signal

PG - Min. gas pressure switch

NOTICE

- The electric wiring carried out by the installer must be in compliance with the rules in force in the

country.

- Leads minimal section 1.5 mm2.

- Burners with non-stop operation: for safety reasons, this type of burner must be stopped every 24

hours of operation, by means of an hours-counter to be connected in series with the adjustment

devices.

- The flame modulation in obtainable trought the 2° stage remote control system (TR).

Connected to the terminals 6-7.

S7568

5142 7

FIXING OF THE ELECTRICAL WIRES

All the electrical wires, which are to be connected into the terminal rail 10 (fig. 1) should pass through

the cable glands hubes 12 (fig. 1), accordingly the scheme below.

1- Single phase supply : gland Pg 13.5

2- Regulation thermostat : gland Pg 13.5

3- Safety thermostat : gland Pg 13.5

4- GAS TRAIN : gland Pg 13.5 - for sheath ø 13

5- 2° stage thermostat : gland Pg 13.5

6- Precut hole

Further starts or controls can be connected into the terminal rail of the burner, taking out the metal

buttons from the precut holes and inserting a cable gland for the passage and extra cables.

To guarantee the IP 40 protection level, in accordance to CEI 70.1, seal the glands that are not used.

NOTES

- Do not exchange “Neutral” with “Phase” (avoid a plug/socket connection).

- Make a good earth connection.

Verify that the burner will lockout by firing the burner and obscuring the UV cell.

ATTENTION

When you close the burner on the two guide rail, all the slack should be pulled out the high voltage-

cable.

This burner is in accordance to the CEE law n.76/889, D.M. 9/10/1980, for protection against radio-

noises.

S7569

5142 8

COMBUSTION HEAD ADJUSTMENT

Adjustments can be made to the burner, when it is still open for installation (see page 3, fixing to

the boiler).

SETTING OF GAS DISTRIBUTOR

The burner leaves the factory setted for burning natural

gas (see the drawing on the right):

-Each hole (F) and each pipe (T) completely opened.

-For operation up to 200.000 kcal/h, close the NR. 1-2-

3 and 4 holes (F) by means of 4 nozzles supplied to-

gether with the lpg - kit.

To burn LPG fit the kit as detailed below:

-Fit 6 nozzles with ø 5 mm on outlets to holes (F).

Nozzle

1° 2° 1°+2°

kg/h

bar GPH kg/h GPH kg/h

12 2.25

2.25 8.7

9.6 1.75

1.75 6.7

7.4 15.4

17.0

12 2.25

2.25 8.7

9.6 2.00

2.00 7.7

8.5 16.4

18.1

12 2.25

2.25 8.7

9.6 2.25

2.25 8.7

9.6 17.4

19.2

12 2.50

2.50 9.6

10.6 2.50

2.50 9.6

10.6 19.2

21.2

12 3.00

3.00 11.6

12.8 3.00

3.00 11.6

12.8 23.2

25.6

12 3.50

3.50 13.5

14.9 3.50

3.50 13.5

14.9 27.0

29.8

10 4.00 15.4 4.00 15.4 30.8

Pump

pressure

NOZZLE’S CHOICE

Spray angle:

- usually, 60°

- for narrow combustion chambers: 45°

S7546

S7547

Position of the ignition electrodes

4 mm

1° stage nozzle 2° stage nozzle

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