Sime FUEL 30 DT BFX Quick start guide

2903126 (5) - 12/2014
Installation, use and maintenance instructions
Light oil burners
One stage operation
CODE MODEL TYPE
3513687 SIME FUEL 30 DT BFX 744T3R
20096000 SIME FUEL 30 DT BFX 744T3R
GB

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1
INDEX
1. BURNER DESCRIPTION
One stage light oil burner.
1.1 BURNER EQUIPMENT
Flange with insulating gasket . . . . . . . . No. 1 Screws for flange to be fixed to boiler . . . . . . No. 4
Screw and nuts for flange . . . . . . . . . . No. 1 Flexible oil pipes with nipples . . . . . . . . . . . . . No. 2
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 Firing rate . . . . . . . . . . . . . . . . . . . . . . . 2
3. INSTALLATION. . . . . . . . . . . . . . . . . . . 3
3.1 Working position . . . . . . . . . . . . . . . . . . 3
3.2 Boiler fixing . . . . . . . . . . . . . . . . . . . . . . 3
3.3 Burner assembly . . . . . . . . . . . . . . . . . . 4
3.4 Hydraulic systems . . . . . . . . . . . . . . . . . 5
3.5 Electrical wiring . . . . . . . . . . . . . . . . . . . 6
4. WORKING . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Combustion adjustment. . . . . . . . . . . . . . 7
4.2 Nozzles recommended . . . . . . . . . . . . . . 7
4.3 Pump pressure . . . . . . . . . . . . . . . . . . . . 7
4.4 Electrodes setting . . . . . . . . . . . . . . . . . . 7
4.5 Air damper adjustment . . . . . . . . . . . . . . 8
4.6 Fuel heating . . . . . . . . . . . . . . . . . . . . . . 8
4.7 Burner start-up cycle . . . . . . . . . . . . . . . . 8
5. MAINTENANCE . . . . . . . . . . . . . . . . . . . 9
6. FAULTS / SOLUTIONS . . . . . . . . . . . . . 10
The intake air temperature must not be over 70°.
Burner with CE marking in conformity with EEC directives: EMC 2004/108/CE - 2004/108/CE and Machin-
ery 2006/42/CE.
1 –Pump
2 – Control box
3 – Reset button with lock-out lamp
4 – Flange with insulating gasket
5 – Air damper adjustment screw
6 – Snorkel
7 – Pump pressure adjustment screw
8 – Pressure gauge port
9 – Photoresistance
10 – Blast tube
1
D4001
Fig. 1
4
6
5
2
3
7
8
9
10

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2. TECHNICAL DATA
2.1 TECHNICAL DATA
Light oil is not permitted on low level discharge of flue gas products.
2.2 OVERALL DIMENSIONS
2.3 FIRING RATE, (as EN 267)
TYPE 744T3R
Output – Thermal power
(with air at 20°C) 1.8 – 3.5 kg/h - 21.3 – 41.5 kW
Fuel Light oil, viscosity 4 – 6 mm2/s at 20 °C (Hi= 11.86 kWh/kg)
Electrical supply Single phase, ~50Hz 230V ±10%
Motor Run current 0.85 A – 2700 rpm – 283 rad/s
Capacitor 4.5 F
Ignition transformer Secondary 8 kV – 25 mA
Pump Light oil, maximum pressure 15 bar (218 psi)
Absorbed electrical power 0.215 kW
Flange Burner
77 202
130
20
45°
ø85
223.5
11
168
D4087
72 72
150
45°
ø75
230
180 136 150
D7149
Pressure in the combustion
chamber – mbar
Fuel output - kg/h
Thermal power - kW

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3. INSTALLATION
WORKING POSITION
The burner is designed to work only in the positions 1, 2and 3.
Installation 1is preferable, as it is the only one that allows performing maintenance operations as de-
scribed in this manual. Installations 2and 3allow working operations but not maintenance with hooking to
the boiler.
Any other position could compromise the correct working of the appliance.
Installations 4and 5are forbidden for safety reasons.
3.1 BOILER FIXING
Put on the flange (1) the screw and two nuts, (see fig. 2). ä
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).
The installation of the burner must be carried out by qualified personnel, as indicated in this manual
and in compliance with the standards and regulations of the laws in force.
WARNING
D4618
1 2 3 4 5
Fig. 2
E9095
1
Fig. 3
5
1
E9094
2
4
3

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3.2 BURNER ASSEMBLY
In case of CF applications, the burner shall not operate without pro-
tection (A) of the suction inlet.
FOR CORRECT BF APPLICATION, THE BURNER MUST BE
INSTALLED ON AN APPROPRIATE BF BOILER.
In case of BF applications an optional snorkel and gasket are availa-
ble replacing (A) with (B). This item can be supplied separately.
The combustion air supply is through a flexible or rigid pipe connect-
ed to the air intake.
Consequently, you must comply with the following requirements and
instructions:
The combustion air intake tube must be:
- fastened securely to the burner;
- made of a suitable material, with temperature characteristics in
the range - 30 °C to 80 °C;
- in compliance with all requirements of applicable regulations in force in the country of destination.
The intake-tube / burner system must not allow a loss of over 2 m3/h at 0.5 mbar:
for instance, the above requirements will be met if you use flues for pressure exhaust of flue gases (the
condensation kind).
Make sure the air intake tube’s inlet is positioned so that it is not likely to be obstructed by foreign matter
and, where necessary, use suitable screens.
The temperature of the incoming air must not exceed 40 °C;
The inside diameter of the hose must be at least 80 mm.
The intake tube can be up to 6 metres in length.
Warning: length is reduced if there are bends in the intake section.
For instance, using a tube with a smooth inside surface, you must allow for the following losses:
- for each 45° bend, tube length is reduced by 0.5 m;
- for each 90° bend, tube length is reduced by 0.8 m.
BURNER INSTALLATION MUST COMPLY WITH ONE OF THE INSTALLATIONS ILLUSTRATED IN THE
FIGURES BELOW.
Under no circumstances should the air’s entry in the hose intake area be obstructed.
The hose must not be blocked in any way or feature a shutting device (valves, membranes etc.).
Coaxial tubes must not be installed for any reason.
D5884
A
B
D5883
CF APPLICATION
BF APPLICATION
ATTENTION
S7851
S7853
S7876

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3.3 HYDRAULIC SYSTEMS
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) (fig. 4), remove the by-pass screw (3) and then screw again the
plug (2).
In the two pipes systems, 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.
A metal bowl filter with replaceable micronic filter must be fitted in the
oil supply pipe.
Check periodically the flexible pipes conditions.
PRIMING PUMP
On the system in fig. 5 it is sufficient to loosen the suction gauge
connection (6) (fig. 4) and wait until oil flows out.
The suction plug (1) is made of plastic. Once removed,
it must not be used again.
In single-pipe installations, the plug in the return line (2)
must be totally in steel.
WARNING
7
Fig. 4
6
5
4
3
21
8
D9630
H
max. 4 m
min. 0.1 m
D5741
Fig. 5
H
meters
L meters
I.D.
8 mm
I.D.
10 mm
0.5
1
1.5
2
10
20
40
60
20
40
80
100
On the systems in fig. 6 and 7 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.
In the vacuum systems (fig. 7) the return line should terminate within the oil tank at the same level as the suc-
tion line. In this case a non-return valve is not required.
Should however the return line arrive over the fuel level, a non-return valve is required. This solution how-
ever is less safe than previous one, due to the possibility of leakage of the valve.
The pump suction should not exceed a maximum of 0.4 bar (30 cm Hg). Beyond this limit gas is re-
leased from the oil.
Oil pipes must be completely tight.
WARNING
1 Suction line
2 Return line
3 By-pass screw
4 Gauge connection
5 Pressure adjuster
6 Suction gauge connection
7Valve
8 Auxiliary pressure test point
D5740
max. 4 m
H
H
max. 4 m
H
H
D1842
Fig. 6 Fig. 7 H
meters
L meters
I.D.
8 mm
I.D.
10 mm
0
0.5
1
1.5
2
3
3.5
35
30
25
20
15
8
6
100
100
100
90
70
30
20
H= difference of level;
L= max. length of the suction line;
I.D. = internal diameter of the oil pipes

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3.4 ELECTRICAL WIRING
TESTING:
Check the shut-down of the burner by
opening the thermostats and the lock-out
by darkening the photoresistance.
White
Capacitor
Limit
Oil valve
D4645
CONTROL BOX
Photoresistance
535RSE/LD
thermostat
Motor
Remote lock-out signal
(230V - 0.5A max.)
Main switch
T6A
Blue
White
Black
Resistance
Ignition
electrodes
CONTROL BOX (see fig. 8)
To remove the control box from the burner follow of the istruction:
Loosen the screw (1), open the protection (2) and remove all
components.
Remove the coil (3).
Loosen the two screws (4).
Move a little the control box and remove the high voltage leads.
E9151
4
4
3
12
Fig. 8
Burner-earth
Safety
thermostat
ATTENTION:
Do not swap neutral and phase over, follow the diagram
shown carefully and carry out a good earth connection.
The section of the conductors must be at least 1mm². (Unless
requested otherwise by local standards and legislation).
The electrical wiring carried out by the installer must be in com-
pliance with the rules in force in the country.
All the installation, maintenance and disassembly operations
must be carried out with the electricity supply disconnected.
DANGER
NL
~50Hz - 230V
PE

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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 CO
2
concentration in the flue gases, their temper-
atures and the average temperature of the water in
the boiler.
WARNING
Combustion air is drawn in from outside, meaning
there may be notable changes in temperature, which
can affect the percentage of CO2. You are advised to
adjust CO2in accordance with the graph featured.
Exemple: Outside air temperature 25 °C, adjust CO2
to 12.25% (± 0.2%).
SETTINGS CARRIED OUT IN THE FACTORY
4.2 NOZZLES RECOMMENDED : Delavan type W; Steinen type Q; Danfoss type S.
Angle : 60° - In most cases.
80° - In case of flame detachment, during ignitions at low
temperatures.
4.3 PUMP PRESSURE
12 bar: pressure suitable for light oil in most cases.
14 bar: improves flame retention; it is therefore suitable for ignitions at low temperatures.
4.4 ELECTRODES SETTING
Before removing or assembling the noz-
zle, loosen the screw (A, fig. 9) and
move the electrodes ahead.
Burner Nozzle
Pump
pressure
Output Comb. head
adjustment
Air damper
adjustment
Main air
damper
Code Model GPH Angle bar kg/h ± 4% Set-point Set-point Set-point
3513687 SIME FUEL 30 DT BFX 0.65 60° W 14 2.6 Fixed 4 D
20096000 SIME FUEL 30 DT BFX 0.65 60° W 14 2.6 Fixed 4 D
Outside air temperature (°C)
% CO2
D7052
4± 0.3 mm
IMPORTANT:
THESE DIMENSIONS
MUST BE OBSERVED
D5230 A
Fig. 9
2 - 2.5 mm
ATTENTION

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4.5 AIR DAMPER ADJUSTMENT
The air damper is set in factory.
This regulation is purely indicative. Each installation
however, has its own unpredictable working condi-
tions: actual nozzle output; positive or negative
pressure in the combustion-chamber, the need of
excess air, etc. All these conditions may require a
different air damper setting.
The air setting is performed by mean of two inde-
pendent dampers (see fig. 10 and 11).
MAIN AIR DAMPER (A) - fig. 10
The main air damper can be set in either of two
positions. To set the positions of the damper, pro-
ceed as follows:
Remove the secondary air damper (B) loosing
the screws (1).
Loosen the screw (2) and rotate the main air
damper (A) to the required position.
Retighten the screw (2) and put back the second-
ary air damper (B).
SECONDARY AIR DAMPER (B) - fig. 11
The purpose of this damper is to perform a fine-tun-
ing of the inlet air.
Tuning of this device is possible acting of the
screw (3).
4.6 FUEL HEATING
In order to obtain smooth starting and operation
across its output range the burner is fitted with an
electric resistance, which heats up the light oil in the
nozzle line. This resistance is energized when the
thermostat calls for heat and after a delay of
approximately two minutes depending on room
temperature, the motor will start. The resistance
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).
B
1
2A
E9281
B3
E9172
Fig. 10
Fig. 11
Secondary air damper (B)
Main air damper (A)
D4546
~12s
~12s ~5s
Lock-out due to failure to light
B
Normal
Thermostat
Motor
Flame
Lock-out lamp
Resistance
Valve
Ignition transformer
B

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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 CHECK 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,(9, fig. 1, page 1).
Check for correct fuel consumption.
Replace the nozzle and check the correct position of electrodes (fig. 9, 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.

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6. FAULTS / SOLUTIONS
Here below you can find some causes and the possible solutions for some problems that could cause a
failure to start or a bad working of the burner.
A fault usually makes the lock-out lamp light which is situated inside the reset button of the control box
(3, fig. 1, page 1).
When lock out lamp lights the burner will attempt to light only after pushing the reset button. After this if the
burner functions correctly, the lock-out can be attributed to a temporary fault.
If however the lock out continues the cause must be determined and the solution found.
WARNING
The manufacturer cannot accept responsibility for any damage to persons, animals or property due to error
in installation or in the burner adjustment, or due to improper or unreasonable use or non observance of the
technical instruction enclosed with the burner, or due to the intervention of unqualified personnel.
FAULTS POSSIBLE CAUSES SOLUTION
The burner will not
start when the limit
thermostat closes.
Lack of electrical supply.
Check presence of voltage in the
L - N clamps of the control box.
Check the conditions of the fuses.
Check that safety thermostat limit is not
lock out.
The photoresistance sees false light. Eliminate the light.
Resistance or start thermostats are
faulty. Replace them.
The connections in the control box
are wrongly inserted.
Check and connect completely all the
plugs.
Burner runs normal-
ly in the prepurge
and ignition cycle
and locks out after 5
seconds ca.
The photoresistance is dirty. Clear it.
The photoresistance is defective. Change it.
Flame moves away or fails.
Check pressure and output of the fuel.
Check air output.
Change nozzle.
Check the coil of solenoid valve.
Burner starts with an
ignition delay.
The ignition electrodes are wrongly
positioned.
Adjust them according to the
instructions of this manual.
Air output is too high. Set the air output.
Nozzle dirty or worn. Replace it.

Fonderie Sime S.p.A. - via Garbo, 27 - 37045 Legnago (Vr) - Italy
Tel. [phone] - Export Division fax number +39/0442 631293 - Sime Service fax number +39/0442 631292