Bentone BFG1 Technical specifications

Providing sustainable energy solutions worldwide

178 111 35-2 2018-03–06

Installation- and maintenance instruction

BFG1

STG146

Biogas

General

Table of contents

GENERAL

Important to remember! ______________________________________________4

Service _____________________________________________________________________5

What to do if you smell gas _________________________________________5

Safety instructions ______________________________________________________6

Delivery check____________________________________________________________6

1. Dimensions BFG1 Biogas__________________________________________7

1.1 Description BFG1_____________________________________________________8

1.1.1 Components BFG1 _______________________________________9

2. Dimensions STG Biogas__________________________________________10

2.1 Description STG_____________________________________________________ 11

2.1.1 Components_______________________________________________12

3. MULTIBLOC ____________________________________________________________13

3.1 DMV-DLE... ___________________________________________________________13

3.1.1 Disassembly of the the Multiblock _________________ 14

3.2 Gas pressure regulator Type FRS _____________________________17

4. ELECTRIC EQUIPMENT LME...________________________________ 20

4.1 Wiring diagram ______________________________________________________20

4.1.1 List of components______________________________________ 21

4.1.2 Function LME...___________________________________________ 21

4.2 Control program at faults; fault mode indicator LME .... _

4.2.1 Colour codes ______________________________________________22

4.2.1.1 Diagnosing alarm causes_______________________________22

4.2.1.2 Limiting of starting repetitions __________________________22

4.2.1.3 Alarm code table _______________________________________23

4.2.1.4 Interface diagnostics ___________________________________23

General

4Bentone

1. General Information

This Installation and Maintenance manual:

• is to be regarded as part of the burner and must always be kept near

the installation site

• is intended for use by authorised personnel

• must be read prior to installation

• must be observed by all who work with the burner and associated

system components

• work with the burner may only be carried out by certiﬁed installers/

personnel

Enertech AB is not liable for any typographical errors and reserves the right

to make design changes without prior notice.

Safety instructions

• The burner may only be used for its intended purpose in accordance

with the product’s technical data.

• The burner may only be installed and operated by authorised

personnel.

• The product is packaged to prevent damage from occurring during

handling. 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.

• Check that the burner is compatible with the boiler’s output range.

• All components must be installed without being bent, twisted or

subjected to mechanical or thermal forces which can affect the

components.

• The burner must be installed so that it complies with local regulations

for ﬁre safety, electrical safety, and fuel distribution.

• The gas outlet from the pressure regulator shall be conﬁgured in

accordance with applicable regulations and lead to a safe area.

• Make sure when installing the equipment that there is enough space to

service the burner.

• Permitted temperature during operation -10 to +60 °C. Max 80%

relative humidity, no condensation.

• The installer must ensure that the room has adequate air supply.

• The room must comply with local regulations pertaining to its intended

use.

• The installation site must be free of chemicals.

• Burner pipes, fan wheels and air dampers may contain sharp edges.

• The surface temperature of the burner’s components can exceed 60

°C.

• Caution: The burner has moving parts, and there is risk of crushing

injuries.

172 515 01 2018-01-02

General

5Bentone

• The electrical installation must be professionally carried out in

accordance with applicable high voltage regulations, as per Enertech’s

recommendations.

• Before servicing, shut off the fuel supply and turn off the power to the

burner.

• Seal inspections must be performed during installation and servicing to

prevent gas leakage.

• Care should be taken by the installer to ensure that no electrical cables

or fuel lines are crushed or otherwise damaged during installation or

servicing.

• 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.

• The burner must not be put into operation without proper safety and

protection devices.

• A Class BE ﬁre extinguisher is recommended.

• It is forbidden to alter thedesign or use accessories which have not

been approved by Enertech in writing.

• Prior to operation, the following points must be checked:

-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

Actions to take if you smell gas

Turn off the equipment and the boiler. Open windows and doors. Prevent

open ﬂames or sparking, e.g. do not turn lights on or off, do not use any

electrical appliances, do not use mobile phones. Open windows and doors.

Close the gas ball valve. Warn residents; do not use doorbells. Evacuate

the building. Notify the installer or gas supplier once the building has been

evacuated.

General

6Bentone

Control system 10 years 250,000 starts

Valve control system 10 years 250,000 starts

Pressure switch 10 years 250,000 starts

Ignition system with ﬂame guard 10 years 250,000 starts

UV ﬂame sensor 10000 hrs N/A

Gas pressure regulators 15 years N/A

Gas valve without seal testing 10 years 250,000 starts

Gas valve with seal testing Replacement upon fault detection N/A

Gas pressure switch 10 years 250,000 starts

Safety blow-off system 10 years N/A

Damper motor N/A 500,000 starts

Contactor 10 years 500,000 starts

Burner 1 year 3000 hrs

Inspection of electrical installation 1 year 3000 hrs

Leakage check 1 year 3000 hrs

Filter 1 year replacement at ∆p>10 mbar 3000 hrs replacement at ∆p>10

mbar

Electrodes Replacement/Cleaning 1 year Replacement/Cleaning 3000 hrs

Brake disc Replacement/Cleaning 1 year Replacement/Cleaning 3000 hrs

Motor 1 year 3000 hrs

Fan wheel 1 Year

Replacement when cleaning

needed/ imbalance

3000 h

Replacement when cleaning

needed/ imbalance

The burner and its components must be recycled according to applicable regulations.

Burner servicing schedule

Servicing must be carried out once a year or after 3000 hours of operation

Component replacement intervals

Delivery check

• Make sure everything is delivered and the goods have not been

damaged during transit.

• If something is wrong with a delivery, report it to the supplier.

• Transport damage must be reported to the shipping company.

General

195

186 35

245

350

1. Dimensions BFG1 Biogas

The above-mentioned measurements are maximum measurements. They

can vary, depending on which components are used.

135

286

-0,5

0,0

0,5

1,0

1,5

2,0

2,5

3,0

10 15 20 25 30 35 40 45 50 55

Connection pressure 25 mbar

60% H4

General

1.1 Description BFG1

General

1.1.1 Components BFG1

1. Blast tube

2. Gas pressure switch

3. Connection multiblock

4. Ignition transformer

5. Motor

6. Capacitor

7. Multiblock

8. Air pressure switch

10. Air intake

11. Air regulation

12. Electric connection

13. Gas burner control

14. Reset button

15. Nozzle assembly adjustment

16. Screw for division of burner in front and rear part

17. Nozzle assembly

18. Brake plate

19. Ignition electrode

20.

21. Nozzle

22. Air ﬂow indicator (indicates the air setting)

23. Pressure regulator

24. Filter

17 21

General

2. Dimensions STG Biogas

290

139

13 14

244

192

450

103

249

-1,0

0,0

1,0

2,0

3,0

4,0

40 60 80 100 120

Connection pressure 45 mbar

60% H4

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