Bentone B45-2 MF Caractéristiques techniques
Providing sustainable energy solutions worldwide
178 140 56-6 CR00619 2023-03-29
Installation- and maintenance instruction
B 45-2 MF
LMO24.255C2E
E 4N CK
Translation of the original instructions.
2Bentone
example Beispielexempel
352011030141
Designation
Type
Model
Serial no.
Motor supply
Main supply
MADE IN SWEDEN BY
LIGHT OIL 35-90kW 1,25-6,0 cSt 7-14bar
BF 1 KS 76-24
BF 1
BF 1 KS 76-24
1234567
1~230V 1,0A 50Hz IP 20
Man.Year 2019
Cap. Min-Max
3
?
1
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2
3Bentone
Table of contents
1. General Information............................................................4
1.1 Delivery inspection........................................................................ 4
1.2 Safety............................................................................................... 4
1.3 General requirements FAME/RME............................................. 6
2. Technical data.......................................................................7
2.1 Dimensions B 45-2 MF................................................................. 7
2.2 Burner installation ........................................................................ 7
2.3 Workingeld.................................................................................. 8
2.4 Settingfornozzleassemblyandairdamper ......................... 8
2.5 Technicalspecication ................................................................. 9
2.6 Settingofignitionelectrodesandbrakeplate ....................... 9
2.7 Recommendednozzleandpressure ........................................ 9
2.8 Oilgrades......................................................................................10
2.9 Nozzle for bio oils, 20-28 bar....................................................11
2.10 Nozzle for fossil oils, 22-28 bar................................................12
2.11 Components.................................................................................13
3. Electric equipment.............................................................15
3.1 Safety system ..............................................................................15
3.2 Wiringdiagram..........................................................................15
3.3 Function ........................................................................................16
3.4 Colourcodes................................................................................17
3.5 Faultcodes ...................................................................................17
4. Installation..........................................................................18
4.1 General instructions................................................................... 18
4.2 Inspectionandmaintenance....................................................18
4.3 Start-up .........................................................................................18
4.4 Preparing for installation...........................................................18
4.5 Oildistribution............................................................................. 18
4.6 Electrical connection ..................................................................19
5. Installation..........................................................................20
5.1 General instructions................................................................... 20
5.2 Inspectionandmaintenance....................................................20
5.3 Start-up .........................................................................................20
5.4 Delivery inspection......................................................................20
5.5 Preparing for installation...........................................................20
5.6 Oildistribution............................................................................. 21
5.7 Electrical connection ..................................................................21
6. Mounting ............................................................................22
6.1 Check oil line seals...................................................................... 22
7. Functional description.......................................................24
7.1 B45-2 MF 2-stage burner .......................................................... 24
4.2 Examples of basic settings........................................................21
4.3 Brakeplateadjustment ............................................................. 22
5.4 Settings Damper motor, 2-stage .............................................22
5.6 Return Oil Pressure Switch........................................................ 24
6. Preheater ............................................................................25
6.1 Technicaldata ..............................................................................25
6.2 Adjustmentofpreheateroperatingthermostat ..................26
7. Pump E4NC-1069................................................................27
7.1 Technicaldata ..............................................................................27
7.2 Components.................................................................................27
7.3 Oil connection..............................................................................27
7.4 Changingthelter...................................................................... 27
7.5 Function ........................................................................................28
7.6 Preheating pump ........................................................................28
8. Service .................................................................................29
8.1 BurnerServiceSchedule,Oil ....................................................29
8.2 Component replacement intervals..........................................29
8.3 Combustiondevice ..................................................................... 30
8.4 Airdamper....................................................................................31
8.5 Replacementofdampermotor ...............................................32
8.6 Replacement of oil pump .......................................................... 33
8.7 Replacement of preheaters ...................................................... 34
8.8 Replacement of preheater overheating protector...............35
8.9 Check oil line seals...................................................................... 36
8.10 Checkpressurepistonnozzleholderseals ........................... 36
8.11 Replacementofpressurepistonandseat............................. 37
8.12 Immersion heaters for extra preheating ............................... 38
8.13 Check/serviceoilpre-lter.........................................................40
7.9 Replacement of electrical components..................................34
8. Fault Location.....................................................................35
8.1 Burner will not start....................................................................35
8.2 Burner will not start after normal use....................................35
8.3 Delayedignition ..........................................................................36
8.4 Noise in pump .............................................................................36
8.5 Pump pressure ............................................................................ 37
9. Logofuegasanalysis.....................................................38
4Bentone
165 105 01-2 2021-12-07
1. General Information
The burner may only be used for its intended purpose in accordance with the
product’s technical data.
We reserve the right to make design changes and cannot be held liable for any
misprints or typographical errors.
Modifying the design or using accessories or components that have not been
approved by Enertech in writing is strictly prohibited.
This Installation and Maintenance manual:
• is to be regarded as part of the burner and must always be kept near
the installation site.
• must be read prior to installation.
• is intended for use by authorised personnel.
1.1 Delivery inspection
• Make sure everything is delivered and the goods have not been
damaged during transit.
Transport damage must be reported to the shipping company.
• If something is wrong with a delivery, report it to the supplier.
1.2 Safety
- before installation:
• Installation and work on the burner and associated system
components may only be carried out by persons who have undergone
relevant training.
• The product is packaged to prevent damage from occurring when
handled – Handle the product with care! Lifting equipment must be
used to lift larger packages.
• The products must be transported/stored on a level surface in a dry
environment, max. 80% relative humidity, no condensation.
Temperature -20 to +60 °C.
- installation:
• The burner must be installed in accordance with local regulations for
re safety, electrical safety, and fuel distribution.
• The premises must comply with local regulations pertaining to use of
the burner, and must have adequate air supply.
• The installation site must be free of chemicals.
• Fire extinguisher with Class BE recommended.
• Make sure when installing the burner that there is enough space to
service the burner.
• The electrical installation must be professionally carried out in
accordance with current mains electricity regulations and in a
professional manner.
• Make sure that the burner is suitable for the application (see Technical
Data).
• All components must be installed without being bent, twisted or
subjected to mechanical or thermal forces that affect components.
5Bentone
• Care must be taken by the installer to ensure that no electrical cables
or fuel lines are pinched or otherwise damaged during installation or
service.
• Flame tubes, fan wheels and air dampers, for example, may contain
sharp edges.
- before rst start:
• The burner must not be put into operation without proper safety and
protection devices.
• Permitted ambient temperature during operation -10 to +60 °C. Max.
80% relative humidity, no condensation.
• The surface temperature of the burner’s components may exceed
60 °C.
• Handle with caution – the burner has moving parts, and there is risk
of crushing injuries.
• Seal inspections must be performed during installation and servicing
to prevent leakage.
• tting and installation work has been completed and approved.
• electrical installation has been correctly performed.
• ue gas ducts and combustion air ducts are not blocked.
• all actuators and control and safety devices are in working order and
correctly set.
• If the boiler is equipped with an access hatch, this must be equipped
with a hatch opening switch connected to the burner’s safety system.
• When in operation, the burner’s noise level can exceed 85 dBA – use
hearing protection!
- Operation:
• Carry out all stipulated settings, service and inspection work within
the set time.
• If the oil burner control has a solid red light, contact your installer.
6Bentone
165 405 06 2021-12-07
1.3 General requirements FAME/RME
• The fuel must meet the requirements of standard EN 14214 for FAME.
• The fuel must be stored and used according to the manufacturer’s
instructions. It should typically be used within 6 months of
manufacture. Fuel that is allowed to age loses its oxidation stability
and produces aggressive constituents. These may cause oxidation
damage to components in the oil system. The fuel should be stored in
a cool and dark area.
• The RME tank must be made of metal or dark coloured plastics
approved for the fuel.
• Burners fuelled by FAME (RME) are – and must be – equipped with
parts designed for this fuel. This applies to oil-related parts such as
the pump, solenoid valve, oil lter and hoses.
• Oil hoses must be of high-quality uoride rubber or PTFE intended for
FAME/RME, and the hoses must be tted with re-retardant sleeves in
order to satisfy requirements according to EN-ISO 6806.
• The installation should be performed as a single-pipe system. Copper
should be avoided the fuel system since the fuel and copper have an
oxidising effect on each other.
• Annual cleaning and checking for the presence of water in the tank
should be done to avoid corrosion and microorganisms.
7Bentone
165 205 88-3
2. Technical data
The burner is intended for:
• Operation in installations according to EN 303 and EN 267.
When operating with a hot air boiler, the LMO24.255 or LMO44.255 control unit must be used.
Fuels:
• FAME/RME according to EN 14214.
• Fuel oil according to DIN 51603-1.
• Fuel oil A Bio 10 according to DIN 51603-6.
2.1 Dimensions B 45-2 MF
* Min. recommended distance to oor.
A Ø B Ø C D E F G H I * J
246 220 134 585 375 347 265 248 513 200
B
I
H
G
F
E
D A
C
d1
d2
d3
d1d2d3
(135) 225 14 ø (200) 224-270
2.2 Burner installation
2.2.1 Hole patten
Make sure the hole pattern on the boiler is designed for burner ange.
8Bentone
2.3 Working eld
* Used lower caloric value of 10.00 kWh/kg for rapeseed
oil in accordance with DIN 51605:2010-10.
-1,0
0,0
1,0
2,0
3,0
4,0
5,0
6,0
7,0
50 100 150 200 250 300 350 400 450 500 550 600
mbar
kW
9.0-55.0 kg/h
90-570 kW
160303-226
2.4 Setting for nozzle assembly and air damper
!Do not exceed working
eld.
0
10
20
30
40
50
60
70
80
90
100
50 100 150 200 250 300 350 400 450 500 550 600
160303-227-2
kW
Air settings
Nozzle assembly
Scale
Burner output
9Bentone
Nozzle: 45° Solid/semisolid
60° Solid/semisolid
80° Solid/semisolid
Pump pressure: 10 bar (8-25 bar) depending on pump model
2.6 Setting of ignition electrodes and brake
plate
!*NB It is important that
the spark does not strike
against the brake plate
or nozzle.
2.7 Recommended nozzle and pressure
Because of the various boiler types with varying furnace geometries and
furnace loads, it is impossible to commit to a certain scattering angle or a
specic distribution pattern.
It should be noted that the scattering angle and distribution pattern changes
with pump pressure.
!Theburnerpumpisfactorysetat24barandtestoperated
usingRoadway80.
a
b
c
de
a b c d e
2.5-3.0 2.0 6.5-7.0 2.0 6.0
Measurements according to EN 15036-1:2006
Alt.1 The noise level of the burner can be reduced by equipping the burner with
silencer. Installation must be done so it does not prevent air supply to the
burner.
Alt.2 The burner’s noise level can be reduced by connecting the burner’s air
intake to the air duct that opens into an appropriate location. Installation
must be done so it does not prevent air supply to the burner.
2.5 Technical specication
B 45-2 MF
Main supply, Operating 1) 230V 1~ 5,1A 50Hz IP20
Main supply, Preheater 400V 3x10A
Max fuse rating, Operating 10A
Max fuse rating, Preheater 3xC10A
NOX-class 2
Noise level 87dBA
1) Preheater excluded.
10 Bentone
2.8 Oil grades
The burner is tested and approved for pure rapeseed oil that complies with
standard DIN 51605:2010-10.
The burner is designed to be able to burn oils with a higher viscosity, both
of biological and fossil origin. The maximum viscosity with which the burner
is tested is 75 mm²/s, 0–130°c. Another way of dening which kind of oil
the burner can handle is that the oil must be of such a nature that it can be
pumped by the burner pump at the temperature the oil has at the point of
access to the pump.
The burner, without the pump, is designed to withstand the more corrosive
environment often created by oils of biological origin.
The Suntec E1069 pump is NOT designed for aggressive oils.
The burner pump has a service life of approx. 3–5 years if the oil is of a grade
that complies with standard DIN 51605:2010-10. If oil of a different grade
is used, especially if the oil contains contaminants such as particles, press
residue, metal swarf etc., or has chemical aggression, the pump may be
expected to have a signicantly shorter service life.
The pump is considered to be a wearing part and is not covered by the
warranty.
Pressure at the pump inlet must be -0.30 to max 2.0 bar. If there is a noise
from the pump, the oil is not pumpable at the current temperature or ow.
A transport oil pump combined with preheater is then needed to supply the
burner’s pump with oil for trouble-free operation.
The oil distribution system must be designed with the required equipment
such as lters, transport oil pump, preheater and reduction valve to provide
trouble -free operation. Max lter size is 120 µm and the oil may need to be
ltered in several steps.
In the case of a standstill in which the oil can be expected to change structure,
for example aging or phase transitions due to temperature and storage, the
burner must be ushed with fuel oil after the standstill. This procedure ensures
a good start after standstill.
!Alteredstructureoftheoilcangiverisetoalteredviscosity,
pumpabiltyandignitability.Thiscancausethepump,valves
and nozzles to get blocked.
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1
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