Bentone B 40 A Technical specifications
Providing sustainable energy solutions worldwide
178 071 53-2 2017-10-10
Installation- and maintenance instruction
B 40 A
DESCRIPTION
1. Shrouded disc
2. Nozzle
3. Ignition electrodes
4. Nozzle assembly
5. Ignition cable
6. Ignition transformer
7. Photo cell
8. Control box
9. Reset button
10. Cover, inspection glass
11. Fan wheel
12. Motor
13. Nozzle assembly adjustment
14. Blast tube
15. Air adjustment
16. Air damper
17. Solenoid valve
18. Air intake
19. Pump
171 205 05 07-01
Components
Dimensions
TECHNICAL DATA
Type designation B 40A
Electrode adjustment
Because of different boiler types
existing on the market, with varying
combustion chamber designs, it is
Note that the spray angle and the
spray pattern change with the pump
pressure.
angle or spray pattern.
Recommended nozzle
Output range and nozzles recommended
Burner tube Length of burner tube Measure B
N 202 172
N 302 272
Burner tube Oil capacity Output Recommended
Nozzle
Recommended
Pump pressure
Angle Type Bar
N 9,0-29,5 107-350 92-301 45°, 60° S, B, R, PLP 10-15 bar
171 225 62 08-01
7,0-9,0
2,5-3,5 1,0-2,0
195
400 B 420
ø126
ø114
ø114
260
310
360
200-230
37
General rules
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 regula-
tions relating to oil and combustion.
Only oil suitable for the burner should
be used and then in combination with
of the burner.
If the burner is replacing an existing
replaced or cleaned. The installation
must only be undertaken by expe-
rienced personnel. Care should be
taken by the installer to ensure that no
trapped or damaged during installation
Installation instructions
General installation instructions ac-
company the burner and should be
left in a prominent place adjacent to
the burner.
Adjustment of burner
The burner is from the factory pre-set
to an average value that must then be
adjusted to the boiler in question.
All burner adjustments must be made
in accordance with boiler manufactur-
ers instructions.These must include
average water temperature and CO2
or O2concentration.
To adjust the combustion device,
start by increasing the air volume
and the nozzle assembly somewhat.
with excess air and smoke number
0. Reduce the nozzle assembly ad-
justment 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 adjust-
ment is obtained. If larger nozzles are
used the preadjustment of both the
air volume and the nozzle assembly
must be increased.
Awhistling sound may be heard which
can be eliminated or reduced as fol-
lows: Increase the nozzle assembly
adjustment somewhat. The CO2-con-
tent and consequently the air volume
will then be reduced.
GENERAL INSTRUCTIONS
Condensation in chimney
A modern burner works with less ex-
cess 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
-
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
them up during standstill)
Increase the oil quantity
removing turbulators, if any, in the
boiler.
Pump adjustment
See separate description.
171 305 08 07-01
Maintenance
-
mined regularly for any signs of
malfunction or oil leakage.
Oil supply
The oil line should be dimensioned
in accordance with the pump manu-
facturer´s instruction. In the suction
mounted to prevent any particles in
the oil from reaching the burner. 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 of
The oil pipe and electric cable should
the combustion device
Adjustment of nozzle assembly
Loosen the locking screw B and adjust
the nozzle assembly to the desired
position. Lock the screw B again.
Air adjustment 0-10
Loosen the stop screw B and turn the
knob along the scale to the desired
position and tighten the screw. Check
gas analysis.
MAINTENANCE OF OIL BURNER
Warning: Before doing any service switch off power at the main switch and cut off the oil supply.
Open the cover and disconnect the
connecting pipes by loosening screw
A.
Service of burner head
1. Loosen or swing out the burner
from the boiler.
draw the blast tube.
171 305 09 07-01
171 435 25 16-01
ELECTRIC EQUIPMENT
Oil burner control: LMO14.113... / LMO24.255...
List of components
A1 Oil burner control
A2 Twin thermostat
F1 Fuse, max. 10A
H1 Alarm lamp
H2 Signal lamp (optional)
M1 Burner motor
P1 Time meter (optional)
R1 Photoresistor
S3 Main switch
T1 Ignition transformer
Y1 Solenoid valve
X1 Plug-in contact, burner
X2 Plug-in contact, boiler
Outer electrical connection
Mains connection
and fuses in
accordance with
local regulations.
* If there is no plug-in contact (X2) on the boiler,
connect to the contact enclosed. In case the
twin thermostat is in series on incoming phase
L1, a loop between the terminals T1 and T2 is
necessary.
Wiring diagram
*
1(3)
X1
X2
171 435 25 16-01
Function
1.Switch on operating switch and twin thermostat
The burner motor starts, an ignition spark is formed, the prepurge goes
on till the prepurge period expires and the solenoid valve opens.
2. Solenoid valve opens
3. The safety time expires
burner will make an attempt to re-start.
3-4. Operating position
If the burner operation is interrupted by means of the main switch or the
thermostat, a new start takes place when the conditions in accordance
The oil burner control cuts out
A red lamp in the control is lit. Press the reset button and the burner
re-starts.
ELECTRIC EQUIPMENT
Technical data oil burner control
LMO14.113... LMO24.255...
Pre-ignition time: 15 s 25 s
Pre-purge time: 16 s 26 s
Post-ignition time: 3 s 5 s
Safety lock-out time: < 10 s < 5 s
Reset time after lockout: < 1 s < 1 s
< 1 s < 1 s
Ambient temperature: -5 +60°C -20 - +60°C
45 µA 45 µA
Max. photo current at start: 5,5 µA 5,5 µA
Control of photo current
Current through photo unit is measured with a d.c. ammeter (a moving coil
instrument connected in series with the photo unit).
2(3)
171 435 25 16-01
Colour codes LMO14/24
the normal sequence, as well as provide indication if something ab-
normal is happening in accordance with the following table:
Preheater in operation Solid yellow
Ignition switched on Flashing yellow
Normal operation Solid green
Flashing green
Undervoltage Flashing yellow-red
Fault, alarm Solid red
False light Flashing red-green
Communication mode Fluttering red
Fault codes LMO14/24
information about what has caused the problem by pressing and
holding the reset button for 3 seconds.
expires
False light during start
Time-out for preheater *
Incorrect wiring, internal fault or si-
multaneous occurrence of two faults
* In order for this fault code to occur, the preheater shall not reach
its cut-off temperature within 10 mins. from switch on.
To return to normal operation: Press the reset button for 1 second.
If the reset button is instead kept pressed a second time for at least
3 seconds, you can, via an interface, obtain the corresponding in-
To return to normal operation: Press the reset button for 1 second
3(3)
INSTRUCTIONS PUMP TYPE SUNTEC AS67C
Components
1. Pressure adjustment
2. By-pass plug
and internal by-pass plug
Technical data
Viscosity range: 1-12 mm2
Pressure range: 9-15 bar
Oil temperature: max 60°C
Suction line tables
The suction line tables consist of theo-
retically calculated values where the
pipe dimensions and oil velocity have
been matched so that turbulences will
not occur. Such turbulences will result
in increased pressure losses and in
acoustic noise in the pipe system. In
addition to drawn copper piping a pipe
system usually comprises 4 elbows, a
non-return valve, a cut-off valve and
The sum of these individual resist-
be disregarded. The tables do not
include any lengths exceeding 100
m as experience shows that longer
lengths are not needed.
The tables apply to a standard fuel oil
of normal commercial quality accord-
ing to current standards. On commis-
sioning with an empty tube system the
oil pump should not be run without
oil for more than 5 min. (a condition
is that the pump is being lubricated
during operation).
The tables state the total suction line
length in metres at a nozzle capacity
at the suction and pressure side is 2,0
bar. For two-pipe system Qmax
pump capacity at 15 bar.
171 505 11 07-01
Height Pipe diameter
H ø8 mm
m m
0,0 27
-0,5 23
-1,0 20
-2,0 13
-3,0 6
-4,0 0
Height Pipe diameter
H ø6 mm
m m
Height Pipe diameter
H ø8 mm
m m
4,0 55
3,0 48
2,0 41
1,0 34
0,5 31
0,0 27
Height Pipe diameter
H ø6 mm
m m
4,0 72
3,0 63
2,0 54
1,0 45
0,5 41
0,0 37
1-pipe system 1-pipe system
system is not recommended
Two-pipe system Two-pipe system
H
H
INSTRUCTIONS PUMP TYPE SUNTEC AS67C
171 505 12 07-01
Mounting/dismounting return plug
One pipe system
Two pipe system
C
67
AS
AS:Solenoid valve
with cut-off
Gear set capacity
(see pump capacity curves)
Shaft rotation and nozzle location
Left hand nozzle (seen from
Shaft end)
- One-pipe operation
Bleeding on one-pipe is not automatic,
and a pressure port must be opened
to bleed the system.
Cut-off
opens the by-pass at the same
moment which drains all the oil down to
the return and the nozzle valve closes
immediately. This gives a very sharp
cut-off function.
The cut-on and off can be regulated
regardless of motor speed and has
an extremely fast response.
the torque requirement is low up to
full motor speed.
Applications for
SUNTEC AS67C
- Light fuel oil and kerosine.
- One or two-pipe system.
Pump operating principle
The SUNTEC AS oil pump has a built
in solenoid valve which controls the
regulator cut-off valve giving fast cut-
off and cut-on function independent
of the rotational speed.
The gear-set draws oil from the tank
it to the valve that regulates the oil
pressure to the nozzle line.
All oil which does not go through the
nozzle line will be dumped through
the valve back to the return line or, if
it is a one-pipe installation, back to the
suction port in the gear-set.
- Two-pipe operation
activated, the by-pass channel
between the pressure and return sides
of the valve is open.
No pressure will then be built up to
open the valve. It does not matter
which speed the gear set has.
by-pass channel will be closed and
because of the full speed of the gear-
set, the pressure necessary to open
the valve will be built up very rapidly
which gives a very sharp cut-on
function.
Exchange of ilter
To shaft
seal and
return
Oil under
suction
Oil under
pressure
By-passed
oil returned
to tank, or to
suction
To nozzle
Shaft seal
Return
From gear-set
By-pass
plug
Gear set
Solenoid valve closed Solenoid valve open
Pressure
gauge ports
Vacuum
gauge port
Pressure
adjustment
Two pipe installation One pipe installation
Back to suction
Pressure regulating
valve
Inlet
171 505 44 07-01
Gph 8 9 10 11
0,40 1,33 16 13 1,41 17 14 1,49 18 15 1,56 18 16
0,50 1,66 20 17 1,76 21 18 1,86 22 19 1,95 23 20
0,60 2,00 24 20 2,12 25 22 2,23 26 23 2,34 28 24
0,65 2,16 26 22 2,29 27 23 2,42 29 25 2,54 30 26
0,75 2,49 29 25 2,65 31 27 2,79 33 28 2,93 35 30
0,85 2,83 33 29 3,00 36 31 3,16 37 32 3,32 39 34
1,00 3,33 39 34 3,53 42 36 3,72 44 38 3,90 46 40
1,10 3,66 43 37 3,88 46 39 4,09 48 42 4,29 51 44
1,20 3,99 47 41 4,24 50 43 4,47 53 46 4,68 55 48
1,25 4,16 49 42 4,40 52 45 4,65 55 47 4,88 58 50
1,35 4,49 53 46 4,76 56 48 5,02 59 51 5,27 62 54
1,50 4,98 59 51 5,29 63 54 5,58 66 57 5,85 69 60
1,65 5,49 65 56 5,82 69 59 6,14 73 63 6,44 76 66
1,75 5,82 69 59 6,18 73 63 6,51 77 66 6,83 81 70
2,00 6,65 79 68 7,06 84 72 7,45 88 76 7,81 93 80
2,25 7,49 89 76 7,94 94 81 8,38 99 85 8,78 104 89
2,50 8,32 99 85 8,82 105 90 9,31 110 95 9,76 116 99
2,75 9,15 108 93 9,71 115 99 10,24 121 104 10,73 127 109
3,00 9,98 118 102 10,59 126 108 11,16 132 114 11,71 139 119
3,50 11,65 138 119 12,35 146 126 13,03 154 133 13,66 162 139
4,00 13,31 158 136 14,12 167 144 14,89 176 152 15,62 185 159
4,50 14,97 177 153 15,88 188 162 16,75 198 171 17,57 208 179
5,00 16,64 197 170 17,65 209 180 18,62 221 190 19,52 231 199
5,50 18,30 217 187 19,42 230 198 20,48 243 209 21,47 255 219
6,00 19,97 237 204 21,18 251 216 22,34 265 228 23,42 278 239
6,50 21,63 256 220 22,94 272 234 24,20 287 247 25,37 301 259
7,00 23,29 276 237 24,71 293 252 26,06 309 266 27,33 324 279
7,50 24,96 296 254 26,47 314 270 27,92 331 285 29,28 347 298
8,00 26,62 316 271 28,24 335 288 29,79 353 304 31,23 370 318
8,50 28,28 335 288 30,00 356 306 31,65 375 323 33,18 393 338
9,00 29,95 355 305 31,77 377 324 33,59 398 342 35,14 417 358
NOZZLE TABLE
Pump pressure bar
The table applies to oil with a viscosity of 4,4 mm23.
Burner with preheater
Consider that on preheating the oil quantity is reduced by 5-20% depending on.
- Rise in temperature at the nozzle
- Design of nozzle
- Capacity (high capacity - small difference)
1(2)
171 505 44 07-01
Gph 12 13 14 15
0,40 1,63 19 17 1,70 20 17 1,76 21 18 1,82 21 18
0,50 2,04 24 21 2,12 25 22 2,20 26 22 2,28 27 23
0,60 2,45 29 25 2,55 30 26 2,64 31 27 2,73 32 28
0,65 2,65 31 27 2,75 33 28 2,86 34 29 2,96 35 30
0,75 3,08 36 31 3,18 38 32 3,30 39 34 3,42 40 35
0,85 3,47 41 35 3,61 43 37 3,74 44 38 3,87 46 39
1,00 4,08 48 42 4,24 50 43 4,40 52 45 4,56 54 46
1,10 4,48 53 46 4,67 55 48 4,84 57 49 5,01 59 51
1,20 4,89 58 50 5,09 60 52 5,29 63 54 5,47 65 56
1,25 5,10 60 52 5,30 63 54 5,51 65 56 5,70 68 58
1,35 5,50 65 56 5,73 68 58 5,95 70 61 6,15 73 63
1,50 6,11 72 62 6,36 75 65 6,60 78 67 6,83 81 70
1,65 6,73 80 69 7,00 83 71 7,27 86 74 7,52 89 77
1,75 7,14 85 73 7,42 88 76 7,71 91 79 7,97 94 81
2,00 8,18 97 83 8,49 101 86 8,81 104 90 9,12 108 93
2,25 9,18 109 94 9,55 113 97 9,91 117 101 10,26 122 105
2,50 10,19 121 104 10,61 126 108 11,01 130 112 11,39 135 116
2,75 11,21 133 114 11,67 138 119 12,11 144 123 12,53 148 128
3,00 12,23 145 125 12,73 151 130 13,21 157 135 13,67 162 139
3,50 14,27 169 145 14,85 176 151 15,42 183 157 15,95 189 163
4,00 16,31 193 166 16,97 201 173 17,62 209 180 18,23 216 186
4,50 18,35 217 187 19,10 226 195 19,82 235 202 20,51 243 209
5,00 20,39 242 208 21,22 251 216 22,03 261 225 22,79 270 232
5,50 22,43 266 229 23,34 277 238 24,23 287 247 25,07 297 256
6,00 24,47 290 249 25,46 302 260 26,43 313 269 27,49 326 280
6,50 26,51 314 270 27,58 327 281 28,63 339 292 29,63 351 302
7,00 28,55 338 291 29,70 352 303 30,84 366 314 31,91 378 325
7,50 30,59 363 312 31,83 377 324 33,04 392 337 34,19 405 349
8,00 32,63 387 333 33,95 403 346 35,25 418 359 36,47 432 372
8,50 34,66 411 353 36,07 428 368 37,45 444 382 38,74 459 395
9,00 36,71 435 374 38,19 453 389 39,65 470 404 41,02 486 418
NOZZLE TABLE
The table applies to oil with a viscosity of 4,4 mm23.
Burner with preheater
Consider that on preheating the oil quantity is reduced by 5-20% depending on.
- Rise in temperature at the nozzle
- Design of nozzle
- Capacity (high capacity - small difference)
2(2)
Pump pressure bar
FAULT LOCATION
Burner fails to start
Delayed ignition, burners starts violently
Burner fails to start after normal operation
Situation
Motor runs
Burner pre-purges
Flame occurs
Burner locks out
Motor runs
Burner pre-purges
Burner locks out
Possible causes
Flame instability
Incorrect head settings
Low oil pressure
Excess air
Photocell not seeing light
Photocell failed
Control faulty
False light
No spark
No oil
Remedies
Check nozzle to burner head dimension
and electrode position
Check oil pressure
Adjust air damper
Check that photocell is clean and
unobstructed
advisable to change the photocell if also
changing control)
Check that photocell is not seeing
ambient light
Check that H.T. leads are sound and are
not arcing other than at electrode gap
Check oil supply to burner - check that
pump is not airlocked
Check operation of magnetic valve
Burner fails to start
Lamp not lit
Motor runs
Burner runs to lockout
Fuse has blown
Appliance thermostat has not reset
Appliance overheat device has operated
Control relay or photocell defective
No oil being delivered
No spark
Check or replace fuse if necessary.
Check reason for failure
Adjust thermostat
Reset overheat device. Find reason for
its operation and rectify
Check by replacement
and nozzle are all in good order
Rectify condition
Check ignition transformer. Check
electrode gap and porcelain
Burner pulsates on start-up
Burner pulsates on start-up
Burner starts violently
Excessive draught
Nozzle partly blocked
Oil pressure too low
Flue blocked or damaged
Fan slipping on shaft
Pump coupling loose or worn
Delayed ignition
Adjust the burner
Replace nozzle
Check and adjust
Check and rectify
Check and retighten
Check and replace
Check the electrode adjustment, see
diagram
Check electrodes for damage
Check H.T. leads for damage and
disconnection
171 915 01 08-01
OIL BURNERS MAINTENANCE
INSTRUCTIONS
General information
Keep the boiler room clean. Ensure that the boiler
room has permanent fresh air intake. Switch off before
dismantling the oil burner.
At hinged mounting, make sure that an automatic safety
switch is fitted, so that the burner cannot start when
theswing door is open.
Don´t use the oil fired boiler to burn paper or
rubbish,unless the boiler is especially fitted with a hinged
door tomake this possible.
Don´t fill tank while burner is working.
Starting precautions
Make sure that the oil tank is not empty
Make sure that the valves on oil and water supply pipes
areopen.
Make sure that the boiler flue damper is open.
Make sure that the boiler thermostat is set at the correct
temperature.
Switch on the current. Most relay systems have a
delayed action so that the burner will not start for
perhaps 20 seconds.
With heavy oil the delay will be longer as the burner
will notstart until the oil in the preheater reaches the
requiredtemperature.
If the burner will not start
Press the reset button on the relay. Check that the
thermostats are correctly adjusted.
Don´t forget the room thermostat, check that any
fusesare intact and main switch is on.
If the burner starts but does not ignite
Make an attempt to start the burner.
Never make close repeated start attempts.
Don´t restart the burner until the boiler is free from oil
gases.
If the burner still does not ignite send for the service
engineer.
When switching off during summer
Always use the main switch to cut out the burner even
when adjusting the burner or cutting off the heating for
ashort time. For longer periods of shut down, close all
valves and the oil supply stop-cock.
Clean the filter and nozzle by washing in petrol or
paraffin.
Make sure the filter medium is not damaged or defective.
Protect electrical gear from damp.
Warning
Never stand too near or put your face to the inspection
or fire door, when the burner is about to start.
Never use a naked flame to ignite oil if the electrical
ignition fails.
Always wait for about 10 minutes for the unburnt gases
to disperse before restarting the oil burner if it has failed
to ignite previously.
Installed by:
Tel:
170 025 01 2012-04-16
Enertech AB. P.O Box 309, SE-341 26 Ljungby.
www.bentone.se, www.bentone.com
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