Enertech Bentone BG 300-2 Caractéristiques techniques
Providing sustainable energy solutions worldwide
178 001 72-3 2017-10-12
Installation- and maintenance instruction
BG 300-2
172 205 32 08-01
DESCRIPTION
Components
1. Switch 0-1
2. Switch I-II
3. Cover, inspection glass
4. Reset button
5. Air pressure switch
6. Damper motor
7. Inner assembly adjustment
(not town gas)
8. Flame cone
9.
10. Air damper
11. Air intake
12. Ignition electrode
13. Electric panel
14. Indicating lamp Stage 2
15. Indicating lamp Stage 1
16. Fan wheel
17. Motor
18. Ionization electrode
19. Transformer
20. Inner assembly
21. Nozzle
22. Brake plate
Capacity chart according to EN 676
Output range
TECHNICAL DATA
The above dimensions are max. measurements. Depending on the compo-
nents used, the measurements may vary.
172 215 12 14-01
Length of burner tube Measure A Measure 5
Standard 145 125 ø120
Long design 245 225 ø120
100 372
220
475
B
A
ø108
185
470
Type designation BG 300
Dimensions
Capacity
kW
Gas volume at a
min.
output Nm3/h 1)
Gas volume at a
max
output Nm3/h 1)
Max. inlet
pressure mbar
Rated inlet
pressure mbar
G20, Natural gas 50-200 520 300 20
G31, Propane 50-200 1,9 7,7 300 30
G25, Natural gas 50-180 6,3 22,5 300 25
G30, Butane 65-200 1,9 5,9 300 30
Connection Motor Ignition transformer
Natural gas, Propane, Butane 1-phase, 0,18 kW, Primary 230 V, 1, A
1" 2 800 r/m, 230 V Secondary 8 000 V
1
G20 Natural gas 10,0 kWh/Nm3
G25 Natural gas 8,0 kWh/Nm3
G31 Propane 26 kWh/Nm3
G30 Butane 34 kWh/Nm3
Gas quantity and capacity vary ac-
cording to grade of gas and connec-
tion pressure.
1) A heat value in kWh/Nm3is used for the underlying calculation in normal
TECHNICAL DATA
172 215 29 08-01
DIMENSIONS OF FLANGE
ø175-240
M10
ø120
SKELETON DIAGRAMS, 2-STAGE- OR MODULATING BURNERS
1.Ball valve
2.Filter
3.Governor
4.Pressure gauge with shut-off cock
5a.Gas pressure switch, mini
5b.Gas pressure switch, maxi
6a.Main valve, 2 -stage. When
modulaing operation is required
this valve is equippedwithcontrols
for variable opening.
Incorporated in the MultiBloc
6b.Safety valve
1)7.Valve proving system
8.Air damper motor
9.Air pressure switch
10.Gas burner control
according to EN 676.
1) Required over 1200 kW according
to EN 676.
172 415 05 07-01
When Bio gas is used, Bentone shall always be contacted.
!
Removal of fan house unit from
burner.
Loosen the screws. Swing out the fan
house. Remove the ionisation and
ignition cables from the electrodes.
Remove the combustion unit from the
as a pattern.
Removal of valve unit from burner
Remove the plug-in contact from the
multi-bloc. Loosen the union nut.
absolutely straight.
MOUNTING ON THE BOILER
Installation example
Connect the gas to the burner by
means of the ball valve. Ensure that
the union nut, ball valve and tubing
make it easy to remove the burner for
inspection and service.
172 205 42 07-01
172 425 28 16-01
ELECTRIC EQUIPMENT
Gas burner control: LME22
Wiring diagram
If there is no Plug-in
contact (X4,X6) on the
boiler, connect to
the contact enclosed.
If S6 is missing connect T6 and T8.
1(4)
172 425 28 16-01
ELECTRIC EQUIPMENT
Gas burner control: LME22
Function
1. Operating switch ON-Thermostat ON-Gas pressure switch ON-Air damper closed.
A control is made that the air pressure switch does not indicate fan pressure. Then the
burner motor starts.
2. Air damper motor opens.
The air damper motor opens the damper to full load. A control is made that the air pres-
3. Air damper motor closes.
The air damper motor closes to low load . Then the ignition spark is formed.
4. Main and safety valves open
5. The safety time expires.
6. Operating position.
The burner is in operating position and can now change over to full load if the operat-
ing switch and the thermostat for full load are in positon ON. The burner can alternate
between full and low load depending on set temperature.
7. Stop.
The operation of the burner can now be interrupted by means of the operating switch or
the thermostat.
• The control locks out.
The red lamp in the control is lit. Restart the burner by pressing the reset button.
2(4)
List of components
A1 Gas burner control
B1 Ionization electrode
F1 Operating fuse
H1 Lamp, low capacity
H2 Lamp, high capacity
H3 Alarm signal 230 V
M1 Burner motor
M2 Damper motor, L&S SQN75.254.A21B
P1 Time meter, total operating time
P2 Time meter, high capacity, total operating time
S1 Operating switch
S2 Operating switch, stage 2
S3 Control thermostat
S4 Temperature limiter
S5 Micro switch for hinged door
S6 Control thermostat, stage 2
S7 Main switch
S8 Air pressure switch
S9 Gas pressure switch
T1 Ignition transformer
X1 Connection terminal board
X2 Earth terminal
X3 Plug-in contact, burner
X4 Plug-in contact, boiler
X5 Plug-in contact, stage 2, burner
X6 Plug-in contact, stage 2, boiler
Y1 Gas solenoid valve 1
Y2 Gas solenoid valve 2
Mains connection in accordance with local regulations.
172 425 28 16-01
ELECTRIC EQUIPMENT
Control diagnosis under fault conditions and lockout indication
Gas burner control: LME....
Colour codes
Diagnostics alarm trigger
The red alarm signal lamp lights continuously after the alarm is disconnected.
Limit on start attempts
or goes out during operation. LME 11 … permits a maximum of three start attempts if
the start cycle is uninterrupted.
Continuous
Off
Red
Yellow
Green
Colour code table for multi-coloured signal lamps (Light diodes)
Status Colour codes Colours
Waiting time «tw», other waiting times ○………………… Off
Ignition phase, ignition checked •○ •○ •○ •○ •○ • Flashing yellow
Normal operation Green
Flashing green
Green-Red
Undervoltage Yellow-Red
Disruption, alarm Red
Flashing code for fault codes Flashing red
Interface diagnostics
AL
FS
Flash code Pause Flash code
Approx. 3 s
lights red Press the reset
button > 3 s
3(4)
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