Bentone BF1 RME Technical specifications

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Installation- and maintenance instruction
BF1 RME

3Bentone BF1
General
Table of contents
GENERAL
1. GENERAL INSTRUCTIONS __________________________________________4
1.2 Manual____________________________________________________________________4
1.3 Safety directions ______________________________________________________4
1.1 General rules ___________________________________________________________4
1.1 Model BF1 FUV 63-16______________________________________________6
1.1.1 Burner output/ Basic settings_________________________6
1.2 Model BF1 KV 76-26________________________________________________7
1.2.1 Burner output/ Basic settings_________________________7
2. TECHNICAL DATA _______________________________________________________8
2.1 Dimensions BF1_______________________________________________________8
2.1.1 Dimensions, flanges_______________________________________8
2.2 Recommended nozzles and pressures _______________________9
2.3 Nozzle table, 8-15 bar ______________________________________________9
2.3.1 Burner with preheater ____________________________________9
2.4 Description ____________________________________________________________10
2.4.1 Components_______________________________________________11
3. INSTALLATION __________________________________________________________ 12
3.1 Delivery checks______________________________________________________12
3.2 Preparations for installation _____________________________________12
3.3 Oil supply ______________________________________________________________12
3.4 Electrical connection_______________________________________________12
3.5 Choice of nozzle ____________________________________________________12
3.6 Brake plate and airflow setting_________________________________12
3.7 Burner installation___________________________________________________ 13
3.7.1 Hole pattern________________________________________________ 13
3.7.2 Burner installation________________________________________ 13
3.7.3 Oil pipes_____________________________________________________13
3.7.4 Electrical connection____________________________________ 13
4. BASIC SETTINGS______________________________________________________ 14
4.1 Example of basic setting _________________________________________ 14
4.1.1 Choice of nozzle__________________________________________ 14
4.1.2 Basic setting_______________________________________________14
4.1.3 Nozzle assembly adjustment ________________________ 15
4.1.4 Air intake adjustment ___________________________________15
4.1.5 Method of adjusting air quantity ____________________ 15
4.1.6 Inlet cone, air adjustment _____________________________15
4.1.7 Air intake rotation ________________________________________16
4.1.8 Air duct ______________________________________________________16
5. BURNER SERVICING ________________________________________________ 17
5.1 Warning ________________________________________________________________ 17
5.1.1 Service position___________________________________________ 17
5.1.1.1 Service position 1 ______________________________________17
5.1.1.2 Service position 2 ______________________________________17
5.1.1.3 Service position 3 ______________________________________18
5.1.2 Combustion assembly service ______________________18
5.1.3 Preheater replacement_________________________________19
5.1.4 Oil pump replacement__________________________________ 20
5.1.5 Fan motor replacement________________________________21
5.1.6 Air intake and intake cone service _________________22
5.1.7 Fan wheel checks________________________________________22
5.1.7.1 Inspection______________________________________________22
5.1.7.2 Cleaning, alternative 1__________________________________23
5.1.7.3 Cleaning, alternative 2__________________________________24
5.1.8 Electrical module_________________________________________ 24
5.1.8.1 Replacement of complete electrical package__________ 25
5.1.8.2 Replacement of individual electrical components______25
6. PUMP INSTRUCTIONS______________________________________________ 26
6.1 Suntec ANV47C_____________________________________________________ 26
6.1.1 Technical data ____________________________________________26
6.1.2 Components_______________________________________________26
6.1.3 Filter replacement________________________________________ 27
6.1.4 One-pipe system ________________________________________ 27
6.1.5 Two-pipe system _________________________________________ 27
6.1.6 Solenoid valve_____________________________________________ 27
6.1.7 Function ANV47C________________________________________28
6.1.8 Suction pipe tables ANV47C ________________________29
6.1.8.1 Overhead Tank _________________________________________ 29
6.1.8.2 Underlying Tank ________________________________________ 29
7. PREHEATER______________________________________________________________ 30
7.1.1 Function FPHE 5 _________________________________________30
8. ELECTRICAL EQUIPMENT
LMO1..2..4.. ____________________________________________________________ 31
8.1 Wiring diagram ______________________________________________________31
8.1.1 Component list____________________________________________32
8.1.2 Function LMO1..2..4..__________________________________32
8.1.3 Technical data_____________________________________________33
8.1.4 Colour codes LMO14/24______________________________34
8.1.5 Fault codes LMO14/24 ________________________________ 34
9. FAULT LOCATION______________________________________________________ 35
9.1 Burner will not start ________________________________________________35
9.2 Burner will not start after normal use ________________________35
9.3 Delayed ignition, burner starts; pulsation___________________ 35
10. DECLARATION OF CONFORMITY _____________________________ 36
11. OIL BURNERS MAINTENANCE INSTRUCTIONS ________ 37

4Bentone BF1
General
1.1 General rules
This is a burner designed for FAME (RME) fuel. The fuel must meet the
requirements of standard EN 14214 for FAME. The equipment on the burner
is, however, of such a quality that it is possible to use EO1 type oil without
modification, although with appropriate adjustments to the combustion
values after each change of fuel type.
The installation of an oil burner should be carried out in accordance with
local regulations. The installer of the burner must therefore be aware of all
regulations relating to oil and combustion.
Only oil suitable for the burner must be used and then in combination with a
suitable oil filter designed for FAME (RME) and installed before the burner’s oil
pump.
If the burner is replacing an existing burner, ensure that the oil filter is
changed to a filter designed for FAME (RME). Installation may only be
performed by qualified personnel.
Care should be taken by the installer to ensure that no electrical cables
or fuel/gas pipes are trapped or damaged during installation or service/
maintenance.
Burners which are fuelled by FAME (RME) are and must be equipped with
parts designed for this fuel. This applies in particular to oil-related parts such
as the pump, solenoid valve, oil filter and hoses. It is very important when
carrying out a service to replace old parts with new parts of the same quality.
1.2 Manual
• The contents of this manual are to be observed by all who work for any
reason on the unit and its appertaining system parts.
• This manual is intended especially for authorised personnel.
• This manual is to be regarded as part of the burner and shall always be
available near the place of installation.
1.3 Safety directions
The electrical installation shall be made according to valid regulations for
heavy current and in a professional way, so that the risk of leaking oil, fire or
personal injury is avoided.
Care should be taken by the installer to ensure that no electrical cables or
fuel/gas pipes are trapped or damaged during installation or service/
maintenance.
1. GENERAL INSTRUCTIONS

5Bentone BF1
General
Adjustment of burner
The burner is from the factory preset to an average value
that must then be adjusted to the boiler in question.
All burner adjustments must be made in accordance with
boiler manufacturers instructions.These must include
the checking of flue gas temperatures, average water
temperature and CO2 or O2 concentration.
To adjust the combustion device, start by increasing the
air volume and the nozzle assembly somewhat. When
the burner starts it is burning with excess air and smoke
number 0. Reduce the nozzle assembly adjustment
until soot occurs, and then increase the adjustment to
make the soot disappear again. Then the volume of air is
reduced until soot occurs and increased again to reach a
combustion free of soot.
By this procedure an optimum adjustment is obtained. If
larger nozzles are used the preadjustment of both the air
volume and the nozzle assembly must be increased.
A whistling sound may be heard which can be
eliminated or reduced as follows: Increase the nozzle
assembly adjustment somewhat. The CO2-content and
consequently the air volume will then be reduced.
Condensation in chimney
A modern burner works with less excess air and often
also with smaller nozzles than older models. This
increases the efficiency but also the risk of condensation
in the chimney. The risk increases if the area of the
chimney flue is too large. The temperature of the flue
gases should exceed 60°C measured 0,5 metres from
the chimney top.
• Measures to raise the temperature:
• Insulate the chimney in cold attics
• Install a tube in the chimney
• Install a draught regulator (dilutes the flue gases
during operation and dries them up during
standstill)
• Increase the oil quantity
• Raise the flue gas temperature by removing
turbulators, if any, in the boiler.
Pump adjustment
See separate description.
Maintenance
The boiler/burner should be examined regularly for any
signs of malfunction or oil leakage. Any boiler/burner that
uses FAME (RME) as fuel must be serviced at least twice
a year.
Installation instructions
General installation instructions accompany the burner
and should be left in a prominent place adjacent to the
burner.
Oil supply
The oil line should be dimensioned in accordance with
the pump manufacturer´s instruction. A filter designed for
FAME (RME) that prevents any particles in the oil from
reaching the burner is mounted in the burner’s suction
pipe. If the installation consists of several burners each
one should have its own suction line from the tank or a
circulation system should be used.
The temperature in the oil line should be kept as
constant as possible. Avoid exposing the line to
excessive cold which may cause blockages.
The oil pipe and electric cable should be fitted so that
the burner can be placed on the floor for inspection of
the combustion device.
Oil hoses must be of a quality designed for FAME (RME).
Detailed ecodesign information can be downloaded at:
www.bentone.com/ecodesign

6Bentone BF1
General
ø63
ø67
ø16
7,0–8,0
1,6–2,0 (-0,1)+0,5
-0,5
0,0
0,5
1,0
1,5
2,0
2,5
3,0
3,5
4,0
10 15 20 25 30 35 40 45 50 55 60
Burner output, kW
Boiler overpressure, mbar
0,0
2,0
4,0
6,0
8,0
10,0
12,0
14,0
16,0
18,0
20,0
22,0
15 20 25 30 35 40 45 50 55
Burner output, kW
Scale
Air settings
Nozzle assembly
!Scale value applies to 0 mbar furnace pressure.
1.1 Model BF1 FUV 63-16
Length of blast tube
Protrusion from flange, measurement B
Flange
1 2 3 4
103 68 81 89 88
133 98 111 119 118
183 148 161 169 168
1.1.1 Burner output/ Basic settings
1,3 - 4,6 kg/h
15 - 55 kW

7Bentone BF1
General
!Scale value applies to 0 mbar furnace pressure.
ø76
ø70
ø26
8,0-9,0
2,7-3,3 0,5-1,5
Burner output, kW
Boiler overpressure, mbar
-0,5
0,0
0,5
1,0
1,5
2,0
2,5
3,0
3,5
4,0
40 45 50 55 60 65 70 75 80 85 90 95 100
Length of blast tube
Protrusion from flange, measurement B
Flange
1234
117 82 95 103 102
147 112 125 133 132
197 162 175 183 182
1.2 Model BF1 KV 76-26
1.2.1 Burner output/ Basic settings
3,8 - 8,0 kg/h
25 - 75 kW

8Bentone BF1
General
!Scale value applies to 0 mbar furnace pressure.
Flange 1 Flange 2
Flange 3 Flange 4
12
ø89,5
136–150
12
10,3
25
130–150
ø89,7
125
ø90 4
10
125–150
ø90 5
10,3
ø89
172
B
190
226
2. TECHNICAL DATA
2.1 Dimensions BF1
2.1.1 Dimensions, flanges
305
145

9Bentone BF1
General
2.2 Recommended nozzles and pressures
Because of the different types of boiler in existence, with varying furnace
geometries and furnace loads, it is not possible to commit to any given spray
angle or spay pattern. Note that spray angles and spray patterns change
with pump pressures.
Nozzle 60° Solid/Hollow cone
80° Solid/Hollow conel
Pump pressure 10 bar (8–14 bar) Fuel oil 1, RME
Kerosene
2.3 Nozzle table, 8-15 bar
Pump pressure, bar
Gph 8 9 10 11 12 13 14 15
kg/h kW kg/h kW kg/h kW kg/h kW kg/h kW kg/h kW kg/h kW kg/h kW
0,40 1,33 16 1,41 17 1,49 18 1,56 18 1,63 19 1,70 20 1,76 21 1,82 21
0,50 1,66 20 1,76 21 1,86 22 1,95 23 2,04 24 2,12 25 2,20 26 2,28 27
0,60 2,00 24 2,12 25 2,23 26 2,34 28 2,45 29 2,55 30 2,64 31 2,73 32
0,65 2,16 26 2,29 27 2,42 29 2,54 30 2,65 31 2,75 33 2,86 34 2,96 35
0,75 2,49 29 2,65 31 2,79 33 2,93 35 3,08 36 3,18 38 3,30 39 3,42 40
0,85 2,83 33 3,00 36 3,16 37 3,32 39 3,47 41 3,61 43 3,74 44 3,87 46
1,00 3,33 39 3,53 42 3,72 44 3,90 46 4,08 48 4,24 50 4,40 52 4,56 54
1,10 3,66 43 3,88 46 4,09 48 4,29 51 4,48 53 4,67 55 4,84 57 5,01 59
1,20 3,99 47 4,24 50 4,47 53 4,68 55 4,89 58 5,09 60 5,29 63 5,47 65
1,25 4,16 49 4,40 52 4,65 55 4,88 58 5,10 60 5,30 63 5,51 65 5,70 68
1,35 4,49 53 4,76 56 5,02 59 5,27 62 5,50 65 5,73 68 5,95 70 6,15 73
1,50 4,98 59 5,29 63 5,58 66 5,85 69 6,11 72 6,36 75 6,60 78 6,83 81
1,65 5,49 65 5,82 69 6,14 73 6,44 76 6,73 80 7,00 83 7,27 86 7,52 89
1,75 5,82 69 6,18 73 6,51 77 6,83 81 7,14 85 7,42 88 7,71 91 7,97 94
2,00 6,65 79 7,06 84 7,45 88 7,81 93 8,18 97 8,49 101 8,81 104 9,12 108
2,25 7,49 89 7,94 94 8,38 99 8,78 104 9,18 109 9,55 113 9,91 117 10,26 122
The table applies to oils with a viscosity of 4.4 mm2/s (cSt) at a density of 830 kg/m3.
2.3.1 Burner with preheater
Allow for a reduction in oil quantity of 5–20% with preheating owing to:
• Temperature increases at the nozzle.
• Nozzle design.
• Capacity (the higher the capacity the lower the difference).

10 Bentone BF1
General
23 4
7
1
10
5
6
8
9
2.4 Description
2.4.1 Components
1. Brake plate
2. Nozzle
3. Fan housing, front
4. Ignition transformer
5. Separating screw
6. Oil burner control
7. Electrical contact X3 (refer to wiring diagram)
8. Motor
9. Capacitor
10. Preheater, where fitted
11. Ignition electrode
12. Ignition cable
13. Photoresistor
14. Inspection glass
15. Nozzle assembly adjustment
16.
17. Blast tube
18. Grid
19. Solenoid valve
20. Oil pump
21. Air regulator
22. Air intake
23. Air flow indicator
24. Fan housing, rear

11Bentone BF1
General
211 12 1
10
5
15
24
22
21
23
13
3
17
14
19
20

12 Bentone BF1
General
3. INSTALLATION
3.1 Delivery checks
Check that everything has been delivered and that the goods are not
transport damaged. Any delivery faults must be reported to the supplier.
Transport damage must be reported to the forwarder.
3.2 Preparations for installation
Check that the burner’s measurements and capacity range is suitable for
the boiler in question. The power information on the data plate refers to the
burner’s max. and min. power.
3.3 Oil supply
In order to achieve good operational reliability it is important that the oil
supply system is laid out correctly.
Observe the following:
• Choice of pipe diameters, pipe lengths and height differences (refer to
pump instructions).
• Piping should be run with a minimum of joints/compression fittings.
• Pipework must be laid out so that oil hoses are not subjected to
tension or overbending when the burner is swung out or removed for
service.
• The oil filter should be installed so that the filter cartridge can easily be
replaced
3.4 Electrical connection
Before electrical installation is begun, electricity must be switched off at
the main switch. If the boiler has a 7-pole or a 4-pole Eurostecker (only on
2-stage burners), these often fit directly to the burner. Otherwise use the
connectors supplied. The operating thermostat, the max. thermostat and the
inspection hatch (where fitted) interlock can then be wired in series on the
incoming phase connected to L1 or connected between T1 and T2. In the
first mentioned case a jumper is installed between T1 and T2.
(Refer to connection in the section Electrical equipment).
3.5 Choice of nozzle
(Technical data): Recommended nozzle and nozzle table.
3.6 Brake plate and airflow setting
Before operations basic burner setting may be made according to the
diagram. (Refer to basic settings). Note that this only refers to the basic
setting; the setting must be adjusted after the burner has been started.
At this time flue gas analysis and soot measurement must be carried out.
!If any electrical connection is used other than that recommended
by Enertech, there may be a risk of equipment damage and personal injury.

13Bentone BF1
General
E
X3
X4
Return Inlet
E
3.7 Burner installation
3.7.1 Hole pattern
Check that the hole pattern matches the flange supplied.
(Refer to Technical data.)
3.7.2 Burner installation
1. Install the flange and the gasket on the boiler.
2. Attach the front piece to the flange.
3. Insulate between the burner register and the boiler cover for reduced
heat radiation.
4. Install the selected nozzle. (Refer to Technical data.)
5. Install the brake plate and check the ignition electrodes (refer to Burner
service.).
6. Install the burner body to the front piece and lock with screw (E).
3.7.3 Oil pipes
1. Check the oil pipe dimensions. (Refer to Pump Instructions.)
2. The oil filter should be installed in the oil supply line. If an air separator is
fitted, the oil filter should be installed before the air filter to increase the
life span of the filter.
3. For one-pipe systems the return plug must be removed. (Refer to
Pump Instructions.)
4. When installing oil hoses, check that the supply and return hoses are
connected to the correct connections on the oil pump. The hoses
must be run so that they are not bent or tensioned.
5. Purge the oil system. The oil pump will be damaged if it is run dry.
6. The vacuum should not be lower than 0.3 bar depression in the suction
line at start up.
3.7.4 Electrical connection
If the boiler lacks ready-connected plugs, connect using the supplied plug,
X4 in accordance with the wiring diagram.
1. Disconnect the power at the main switch.
2. Wire the Eurostecker X4 as in alt. 1–3 (refer to Electrical equipment).
3. Connect the Eurostecker X4 to the burner.
4. Switch on the power at the main switch.

14 Bentone BF1
General
4. BASIC SETTINGS
4.1 Example of basic setting
4.1.1 Choice of nozzle
BF1 FU 63-16/BF1 K 76-26
Burner output 30 kW
Estimated nozzle output: 30 / 11,86* = 2,53 kg/h
Choice of nozzle according to table. (Refer to Technical data.)
According to the nozzle table, the following nozzle is indicated:
Nozzle: 0,65 Gph
Pump pressure: 11,0 bar
BF1 FUV 63-16/BF1 KV 76-26
Burner output 30 kW
Because of preheater, output is adjusted upward for choice of nozzle
according to table. (Refer to Technical data 2.6).)
Estimated nozzle output: 30 x 1,06 = 31,8 kW
31,8 / 11,86* = 2,68 kg/h
Choice of nozzle according to table. (Refer to Technical data).
According to the nozzle table, the following nozzle is indicate
Nozzle: 0,75 Gph
Pump pressure: 9,5 bar
* Calorfic value Light oil = 11,86 kWh/kg
4.1.2 Basic setting
Setting values for 30 kW according to basic settings tables.
(Refer to Technical data FUV 63-16).
Air setting = 11,0
Insert setting = 4,0

15Bentone BF1
General
Ι
Π
M
4.1.3 Nozzle assembly adjustment
The burner is fitted with a regulator which changes the brake plate position
in the blast tube. This is used to set the correct pressure drop across the
combustion assembly and thereby achieve good combustion without
pulsation.
The setting to be chosen is dependent among other things on set output
and furnace pressure.
Brake plate setting
• Less diffusion: turn screw to left.
• More diffusion: turn to right.
Setting brake plate position affects air flow. It is therefore always
necessary to adjust the air with the burner air regulator afterwards.
4.1.4 Air intake adjustment
Air settings are very important for achieving good combustion with neither
too much, nor too little, air. Adjustment of combustion airflow is carried out
by turning the air regulator with an Allen key. How far open the air regulator
must be is determined by output, furnace pressure and other burner settings
such as blast tube position.
4.1.5 Method of adjusting air quantity
Setting the air regulator is dependent on how the screw (with which air
regulation is adjusted) is installed. If the air intake is installed underneath
as shown in illustration Ι, turning the screw clockwise will reduce airflow,
and anticlockwise increase it. If the air intake is installed on top as shown
in illustration Π, clockwise adjustment increases airflow, and anticlockwise
reduces it.
4.1.6 Inlet cone, air adjustment
Airflow is also affected by the position of the inlet cone. However, it is
extremely rare that this needs to be adjusted; it should be left in the
standard STD position to achieve good starts and operations. (A cast-in
arrow on the fan housing indicates the position of the inlet cone. In addition
to the scale on the inlet cone casting, there is also a mark (M) indicating the
factory setting.)

16 Bentone BF1
General
D
4.1.7 Air intake rotation
It is possible to rotate the air intake to adapt the burner to different
surroundings. It is possible to rotate the air intake to a number of positions,
not just the positions shown to the right.
To rotate the air intake, undo the three screws that fasten the air intake and
the two screws which retain the pump. Then rotate the air intake to the
desired position and tighten the screws.The position of the air intake affects
the airflow through the burner somewhat.
The position which provides best airflow is with the air intake pointing
downwards.
4.1.8 Air duct
A hose connection air duct is available in three different dimensions: 48, 68,
and 78 mm outer diameter (D). The air duct is installed on the air intake at
the place where the grille is attached in the standard model

17Bentone BF1
General
!
Warning
!When servicing or replacing components that affect combustion, analyses and soot tests must be carried
out on the installation.
5. BURNER SERVICING
5.1 Warning
Service must be carried out after 3,000 operating hours, or at least once per
year.
Only authorized personnel may perform service.
Before any type of service work is begun, switch of the power at the main
switch and shut off the oil.
Exercise caution as parts which are exposed when the burner is taken apart
can be hotter than 60°C. The installation engineer must be especially careful
to ensure that no electrical wiring or oil lines are pinched or damaged during
installation or service.
5.1.1 Service position
5.1.1.1 Service position 1
1. Switch off the power at the main switch and disconnect the Eurostecker
from the burner.
2. Undo the screw which fastens the burner front piece to the fan housing,
but only so much as to allow the fan housing to be removed from the
burner front piece.
3. Remove the fan housing from the burner front piece and pull it
backwards until the combustion assembly is free of the burner front
piece.
4. Suspend the fan housing by the fan housing attachment point (for
joining the front piece to the fan housing) on the screw (for joining the
front piece to the fan housing) as illustrated. If necessary, tighten the
screw somewhat to ensure that the burner is suspended safely.
5.1.1.2 Service position 2
1. Switch off the power at the main switch and disconnect the Eurostecker
from the burner.
2. Undo the screw which fastens the burner front piece to the fan housing,
but only so much as to allow the fan housing to be removed from the
burner front piece.
3. Remove the fan housing from the burner front piece and pull it
backwards until the combustion assembly is free of the burner front
piece.
4. Turn the screw into the front piece until there is a gap of approx. 5 mm
between the metal and the screw head.
5. Suspend the fan housing by the fan housing service attachment on
the screw used for joining the front piece to the fan housing, with the
motor upwards, as shown in the illustration.

18 Bentone BF1
General
!When servicing or replacing components that affect combustion, analyses and soot tests must be carried
out on the installation.
5.1.1.3 Service position 3
1. Switch off the power at the main switch and disconnect the Eurostecker
from the burner.
2. Undo the screw which fastens the burner front piece to the fan
housing, but only so much as to allow the fan housing to be removed
from the burner front piece.
3. Remove the fan housing from the burner front piece and pull it
backwards until the combustion assembly is free of the burner front
piece.
4. Turn the screw into the front piece until there is a gap of approx. 5 mm
between the metal and the screw head.
5. Suspend the fan housing by the fan housing service attachment on the
screw used for joining the front piece to the fan housing, with the air
intake upwards, as shown in the illustration.
5.1.2 Combustion assembly service
1. Switch off the power at the main switch and disconnect the Eurostecker
from the burner.
2. If so desired, service position 1 may be used.
3. Carry out a visual inspection of the combustion assembly and check
the various parts for defects.
4. Undo and remove the brake plate and the electrode package from the
oil pipe. Clean the brake plate as necessary.
5. Screw off the nozzle.
6. Install the nozzle. The nozzle may not be cleaned; it must be replaced
with a new nozzle if the existing one is considered defective.
7. Check the ignition electrodes. Replace as necessary (refer to Technical
data for electrode settings).
8. Install the brake plate and electrode package. Check that the distance
between the nozzle and brake plate is correct
(refer to Technical data).
9. Undo the screw that the fan housing is suspended from. Reassemble
the front piece and the fan housing and fasten them together.
10. Connect the Eurostecker and switch on the power at the main switch.
11. Start the burner and check the combustion.

19Bentone BF1
General
!When servicing or replacing components that affect combustion, analyses and soot tests must be carried
out on the installation.
5.1.3 Preheater replacement
1. Switch off the power at the main switch and disconnect the Eurostecker
from the burner.
2. If so desired, service position 1 may be used.
3. Remove the brake plate and electrode package.
4. Disconnect the preheater cable from the preheater.
5. Screw off the nozzle.
6. Undo the nut that connects the oil pipe to the preheater.
7. Install the new preheater. Check the condition of the O-ring; replace
as necessary.
8. Connect the preheater cable.
9. Install the nozzle.
10. Install the brake plate and electrode package. Check that the distance
between the nozzle and brake plate is correct
(refer to Technical data).
11. Re-assemble the burner.
12. Connect the Eurostecker and switch on the power at the main switch.
13. Start the burner and check the combustion.

20 Bentone BF1
General
!When servicing or replacing components that affect combustion, analyses and soot tests must be carried
out on the installation.
!Do not forget thread
sealer between the
pump and the elbow.
(t.ex Loctite 5188,
5400)
5.1.4 Replacing the oil pump
1. Break the main current and disconnect the Euro plug from the burner.
2. Disconnect the electrical plug from the oil valve (1).
3. Detach the oil hoses from the pump.
4. Detach the solenoid valve housing from the valve (2). Remove the
entire solenoid valve housing.
5. Disconnect the oil connection pipes from the solenoid valve (3).
6. Loosen the screws (4) and pull out the oil pump and solenoid valve as
one assembly.
7. Turn the valve forward and detach it from the pump.
8. Reassemble in reverse order.
1
fi g 1
4
2
3