Enertech Bentone B40A Technical specifications

Providing sustainable energy solutions worldwide

178 010 53-2 2016-04-15

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

260

310

360

200-230

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

Service of burner head

1. Loosen or swing out the burner

from the boiler.

 

draw the blast tube.

171 305 09 07-01

171 415 16 07-01

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

Mains connection and fuses in

accordance with local regulations.

Oil burner control: LOA21... / LOA24..

Wiring diagram

ELECTRIC EQUIPMENT

1(2)

(1)(2)

171 415 16 07-01

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).

2. Solenoid valve opens



(1) 

(2) 

transformer is connected to terminal 7 (LOA24.173...).

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.

Post-ignition

(2) If a post-igniton of 15 s. is wanted, move the ignition transformer

from terminal 7 to terminal 6 (LOA24.173...).

Technical data

Pre-ignition time: 13 s

Pre-purge time: 13 s

(1) Post-ignition time: 15 s

(2) Post-ignition time: 2 s

Safety lock-out time: 10 s

Reset time after lockout: ≈50 s

  

Ambient temperature: from - 20 to +60°C

 

  

Enclosure: IP 40

(Under voltage proof only LOA24...)

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).

ELECTRIC EQUIPMENT

2(2)

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 mm23.

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 mm23.

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

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