Riello 40 FS5 Quick start guide

2903337 (1) - 11/2008

Installation, use and maintenance instructions

Forced draught gas burner

One stage operation

CODE MODEL TYPE

3756615 FS5 564M

3337 1

TECHNICAL DATA

BURNER DESCRIPTION

NOTES

– The grommet (3) supplied with the burner, must be fitted to the same side of the gas train.

– After having installed the burner verify the access to the fixing screws of the cover.

If necessary replace them with the fixing screws (4) fig. 1 supplied as equipment.

TYPE 564M

Thermal output 23 – 58 kW – 20,000 – 50,000 kcal/h

Gas

(Family 2) Net heat value 8 – 12 kWh/m3– 7,000 – 10,340 kcal/m3

Pressure min. 10 mbar – max. 40 mbar

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

Motor 230V / 0.65A

Capacitor 2 µF

Ignition transformer primary 230V – secondary 15 kV

Absorbed electrical power 0.15 kW

1 –Airdamper

2 – Screws for fixing the air damper

3 – Grommet

4 – Screw for fixing the cover

5 – Air pressure switch

6 – 6 Pole socket

7 – Lock-out lamp and reset button

8 – Control box

9 –Flange

10 – Motor

11 – 7 Pole socket

D7572

Fig. 1

611

3337 2

OVERALL DIMENSIONS

BURNER EQUIPMENT

BOILER FIXING

Flange Burner

* Length available using an extended head kit.

272 100 295

ø 170

130 28 48

45°

ø 91

233

140

Rp 1/2

180

138

*125

D5066

Quantity Description

Screws with nuts

Insulating gasket

Screws for fixing the cover

Grommet

Hinge

Separate the combustion-head assembly from

the burner body by removing nut (1) and removing

group (A).

Fix the head assembly group (B) to the boiler (2)

insert the equipped insulating gasket (3).

132

D5067

HINGE ASSEMBLY

S7392

3337 3

FIRING RATE

TEST BOILER

The firing rate has been defined according to EN 676 standard.

COMMERCIAL BOILERS

The burner-boiler matching is assured if the boiler is according to EN 303 and the combustion

chamber dimensions are similar to those shown in the diagram EN 676.

For applications where the boiler is not according to EN 303, or where the combustion chamber

dimensions differ from those shown in EN 676, please consult the manufacturers.

CORRELATION BETWEEN GAS PRESSURE AND BURNER OUTPUT

To obtain the maximum output, a gas head pressure of 4.6 mbar is measured with the combustion

chamber at 0 mbar using gas G20 with a net heat value of 10 kWh/m3 (8,570 kcal/m3).

0.8

0.2

0.4

0.6

Pressure in the combustion

chamber – mbar

20,000 30,000 40,000 50,000 kcal/h

20 4030 50 60 kW

Burner output D5053

1.0

Gas pressure

mbar

20,000 30,000 40,000 50,000 kcal/h

20 4030 50 60 kW

Burner output D5054

3337 4

LINE OF GAS-SUPPLY

The gas train is supplied separately, for its adjustment see the enclosed instructions.

POSITIONING ELECTRODE-PROBE

GAS TRAIN ACCORDING TO EN 676

MULTIBLOC CODE CONNECTION EMPLOY

GAS TRAIN BURNER

MBC 65 DLE 3970569 Rp 1/2 Rp 1/2 Natural gas and LPG

MBDLE 405 B01 3970530 Rp 1/2 Rp 1/2 Natural gas and LPG

1– Gas supply pipe

2– Manual cock (charged to the installer)

3– Gas pressure gauge (charged to the installer)

4– Filter

5– Gas pressure switch

6– Safety valve

7– Pressure governor

8– Adjusting valve

M1 – Gas-supply pressure test point

M2 – Pressure coupling test point

D5069

2 3 M1 4 5 6 7 8

D7279

678

MBC 65 DLE

D5033

Ignition electrodeDiffuser

WARNING 2.5 – 3.5 mm

probe

Probe Electrode

Put the ceramic

near the diffuser disc

IMPORTANT

Do not turn the starting electrode but leave it as shown in the drawing; if the starting electrode is

put near the ionization probe, the amplifier of the control box might be damaged.

Ionization

3337 5

ELECTRICAL CONNECTIONS

NOTES

The electrical wirings must be carried out in conformity with the regulations in force in the countries of

destination, and by qualified personnel.

Riello S.p.A. cannot accept any responsibility for modifications or connections other than those shown in

these diagrams.

Do not swap neutral and phase over, follow the diagram shown carefully and carry out a good earth

connection.

The cross section of the wires must be at least 1 mm2. (Unless requested otherwise by local standards and

legislation).

KEY TO ELECTRICAL LAYOUT

A– Electrical control box

B4 – Working signal

+BB – Components on burners

+BC – Components on boiler

C– Motor capacitor

E– Ignition electrode

F1 – Filter

h1 – Hour counter

IN – Manual burner stop switch

MV – Fan motor

Q1 – Single phase knife switch

PA – Air pressure switch

PG – Minimum gas pressure switch

S3 – Remote lock-out signal

ION – Ionisation probe

TA – Ignition transformer

TB – Burner earth

TL – Limit thermostat

TS – Safety thermostat

VR – Adjustment valve

VS – Safety valve

Y–Gasvalve

YVPS – Gas valve leak detection control device

WF.. – Filter connector

WM – Motor connector

WPA – Air pressure switch connector

WS – Ionisation probe connector

X6 – 6-pole socket

X7 – 7-pole socket

XP6 –6-pinplug

XP7 – 6-pin plug/socket

Indication of references

Electrical wiring is the responsibility of the installation engineer

INDEX

3Functional layout

2Indication of references

Sheet no. /1.A1

Co-ordinates

3337 6

3337 7

3337 8

COMBUSTION HEAD 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 ver-

ification of the CO and CO2concentration in the

flue gases, their temperatures and the average

temperature of the water in the boiler.

Loose the screw (A), move the elbow (B) so that

the rear plan of the coupling (C) coincides with

the set point.

Tight the screw (A).

Example:

The burner is installed on a 40 kW

boiler with an efficiency of 90%, the

burner input is about 44 kW using

the diagram below, the combustion

set point is 3.

The diagram is to be used only for

initial settings, to improve air

pressure switch operation or

improve combustion, it may be

necessary to reduce this setting

(set point toward position 0).

It is advisable to set the burner according to the type of gas used and following the indications of

the table:

IONIZATION CURRENT

The minimum current required by the

control box is 5 µA.

The burner would normally have a

higher current value than this, but if a

check is required, open the connector

fitted in the red probe lead and insert a

microammeter as shown.

EN 676 AIR EXCESS: max. output λ≤1.2 – min. output λ≤1.3

GAS Theoretical max. CO2

0 % O2

Setting CO2% CO

mg/kWh NOx

mg/kWh

λ= 1.2 λ= 1.3

G 20 11.7 9.7 9.0 ≤100 ≤170

G 25 11.5 9.5 8.8 ≤100 ≤170

G 30 14.0 11.6 10.7 ≤100 ≤230

G 31 13.7 11.4 10.5 ≤100 ≤230

S7015

02134

50,000

40,000

30,000

20,000

10,000

kcal/h kW

Set point

D5068

60,000

Ionization probe

Connector

Control box

terminal block D5006

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