Bentone BFG 1-2 H3 Technical specifications

Providing sustainable energy solutions worldwide
Installation- and maintenance instruction
BFG 1-2 H3
LME22.233C2
MB-ZRDLE 407
178 088 35-7 P93783 2023-01-11
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
-sv
1. Manualer på övriga språk
2. www.bentone.com\
nedladdning eller scanna
QR-koden.
3. Skriv in brännarens
artikelnummer som  nns på
din typskylt (se bild) och välj
ditt språk.
Detaljerad ecodesign
information kan laddas ner
på: www.bentone.com/
ecodesign.
-en
1. Manuals in other languages
2. www.bentone.com\
download or scan QR-code.
3. Enter the burner`s article
number on your data plate
(see picture) and select
language.
Detailed ecodesign
information can be
downloaded at:
www.bentone.com/
ecodesign.
-da
1. Manualer på andre sprog
2. www.bentone.com\
download eller scan
QR-koden.
3. Indtast brænderens
artikelnummer, der  ndes
på typeskiltet (se billede), og
vælg dit sprog.
Detaljerede oplysninger om
ecodesign kan downloades
på: www.bentone.com/
ecodesign.
-fr
1. Manuels dans d’autres
langues
2. www.bentone.com\
download ou scannez le
code QR.
3. Saisir le numéro d’article
du brûleur sur votre plaque
signalétique (consultez
l’illustration) et sélectionnez
la langue.
Des informations détaillées
sur l’écodesign peuvent être
téléchargées à l’adresse:
www.bentone.com/
ecodesign.
-de
1. Gebrauchsanweisungen in
anderen Sprachen
2. www.bentone.com\
download oder scannen Sie
den QR-Code.
3. Geben Sie die
Artikelnummer des Brenners
auf Ihrem Typenschild ein,
(siehe Bild) und wählen Sie
die Sprache aus.
Detaillierte Informationen
zum Ecodesign können unter
www.bentone.com/ecodesign
heruntergeladen werden.
2

3Bentone
Table of contents
1. General Information............................................................4
1.1 Delivery inspection........................................................................ 4
1.2 Safety ............................................................................................... 4
1.3 What to do if you smell gas......................................................... 5
2. Technical data.......................................................................6
2.1 Dimensions BFG 1-2 H3............................................................... 6
2.2 Capacity range............................................................................... 7
2.3 Gas categories, approved gases................................................ 7
2.4 Technicalspecication ................................................................. 7
2.5 Model BFG 1 H3 ............................................................................ 8
2.6 Components................................................................................... 9
2.7 Skeleton diagram........................................................................ 11
3. Installation..........................................................................12
3.1 General instructions................................................................... 12
3.2 Instructions .................................................................................. 12
3.3 Inspection and maintenance.................................................... 12
3.4 Preparation for assembly ......................................................... 12
3.5 Gas supply .................................................................................... 12
3.6 Electric connection ..................................................................... 12
4. Electric equipment.............................................................13
4.1 Safety system .............................................................................. 13
4.2 Wiring diagram............................................................................ 13
4.3 Function LME... ............................................................................ 14
4.4 Control program at faults; fault mode indicator LME .... .... 15
5. Mounting ............................................................................17
5.1 Hole pattern................................................................................. 17
5.2 Burner installation ...................................................................... 17
5.3 Gas connections.......................................................................... 17
5.4 Electric connection ..................................................................... 17
5.5 Gas quality.................................................................................... 18
5.6 De-aerating................................................................................... 18
5.7 Tightness control ........................................................................ 18
5.8 Calculationofgasow.............................................................. 19
6. Settings ...............................................................................20
6.1 Brake plate adjustment ............................................................. 20
6.2 Air adjustment ............................................................................. 20
6.3 Startup........................................................................................... 21
6.4 Control of combustion .............................................................. 21
6.5 Settingtheairpressureswitch ................................................ 22
6.6 Settingthegaspressureswitch,min...................................... 23
7. Gas valve, MultiBloc ZRDLE 405-420................................24
8. Service .................................................................................27
8.1 Burner Service Schedule, Gas .................................................. 27
8.2 Component replacement intervals.......................................... 27
8.3 Combustion device ..................................................................... 28
8.4 Fan motor replacement............................................................. 29
8.5 Air intake and suction cone ...................................................... 30
8.6 Fanwheel...................................................................................... 32
8.7 Electrical package ....................................................................... 33
8.8 Controlofamemonitoringandionizationcurrent ........... 35
9. Handing over of the installation ......................................37
10. Troubleshooting.................................................................38
11. Service- and inspection protocol .....................................40

4Bentone
172 515 01-2 2021-10-05
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 should 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.
• Sharp edges can occur on, for example:  ame tube, fan wheel and air
damper.
• The gas outlet from the pressure regulator must be con gured in
accordance with applicable regulations and lead to a safe area.
- 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.
• Fitting and installation work has been completed and approved.
• Electrical installation has been correctly performed.
• Flue 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.
1.3 What to do if you smell gas
• Turn off the fuel supply.
• Turn off the device and remove the boiler from operation.
• Open windows and doors.
• Prevent open  ames or sparking, e.g. do not turn lights on or off, do
not use any electrical appliances or mobile phones.
• Evacuate the building.
• Notify the installer or gas supplier of the problem so that it can be
recti ed.