Riello FS5 Quick start guide
20025473 (1) - 05/2010
Installation, use and maintenance instructions
Forced draught gas burner
One stage operation
CODE MODEL TYPE
20025106 FS5 564M
20025473
1
TECHNICAL DATA
BURNER DESCRIPTION
According to Directives: Electromagnetic Compatibility 89/336/EEC - 2004/108/EC, Low Voltage 73/23/
EEC - 2006/95/EC and Machine 2006/42/EC.
The burner meets protection level of IP X0D (IP 40), EN 60529.
Gas train according to EN 676.
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 F
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
1
32
4
5
10
7
D7572
Fig. 1
8
9
611
20025473 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°
45°
ø 91
233
10
140
Rp 1/2
180
138
*125
D5066
Quantity Description
4
1
3
1
1
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
AB
D5067
HINGE ASSEMBLY
S7392
20025473
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
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
4
1
2
3
5
6
20,000 30,000 40,000 50,000 kcal/h
20 4030 50 60 kW
Burner output D5054
20025473 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
MB DLE 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
1
D5069
M2
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
2
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
20025473
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
1
2
Indication of references
Electrical wiring is the responsibility of the installation engineer
4
INDEX
3Functional layout
2Indication of references
Sheet no. /1.A1
Co-ordinates
20025473 6
20025473
7
20025473 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 1.2 – min. output 1.3
GAS Theoretical max. CO2
0 % O2
Setting CO2% CO
mg/kWh NOx
mg/kWh
= 1.2 = 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
C
A
B
02134
70
50
40
30
20
10
60
50,000
40,000
30,000
20,000
10,000
kcal/h kW
Set point
D5068
5
60,000
44
Ionization probe
Connector
2
Control box
terminal block D5006
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