Products

Pellet, Shell, Pit, or Coal Boiler “Kombi KN/AT” from 30 to 400kW

The combined boilers "Kombi KN/AT" are designed for automated combustion of pellets, nutshells, fruit pits, olives or solid fuel.

 

The boilers come with a digital control panel (which controls combustion) and a thermal safety-release valve 3/4 ". 

 

According to the selected control panel mode, after burning the solid fuel the boiler may automatically switch to operation on pellets.

 

Thanks to this feature, the system does not require continuous service and there is no risk of cooling the home or building at night, if mainly used solid fuel. The boiler will continue work on pellets, until it is reload with solid fuel.

 

The boilers are manufactured in accordance with the European standard En303-5 and DIN 4702.

 

 

 

Type  

KN/AT 

30

KN/AT 

50

KN/AT 

80

KN/AT 

110

KN/AT

160

KN/AT 

200

KN/AT 

250

KN/AT 

300

KN/AT 

350

Power on pellets kW 42 68 106 158 192 234 296 348 350

Power on wood

kW

30

50

80

110

160

200

250

300

350

 Max working temperature

90

90

90

90

90

90

90

90

90

 Max working pressure

bar

2,5

2,5

2,5

2,5

2,5

2,5

2,5

2,5

2,5

 Water volume

l

110

125

202

254

292

324

335

386

423

 Inlet/ outlet water

inch

11/4

1 1/2

2

21/2

3

3

3

4

4

 Boiler height

mm

1270

1290

1405

1460

1490

2280

2300

2390

2390

 System height

mm

1570

1590

1705

1760

1840

2630

2650

2700

2750

 Boiler lenght Ø

mm

540

610

680

730

820

820

820

980

1000

 System width АТ

mm

1440

1510

1580

1630

1720

1720

1720

2100

2180

 Boiler length KN

mm

820

910

1080

1245

1420

1460

1460

1700

1720

 System length АТ

mm

820

910

1080

1245

1420

1460

1460

1720

1720

Bolier weight

kg

242

300

412

518

654

1018

1032

1400

1496

System weight  АТ

kg

406

478

606

706

980

1350

1392

1760

1855

 Silo capacity АТ

м3

0,41

0,41

0,41

0,66

0,66

0,66

0,80

0,80

0,80

 Motor output

HP

0,5

0,75

1

1

1,5

1,5

1,5

2

2

 Rounds per minute

Rpm

23,3

35

35

35

56

56

56

47

47

 Fan output

W

90

90

100

100

180

180

180

370

370

 Air supply

м3

290

290

450

450

450

900

900

900

900

Operating voltage

V

230/400

230/400

230/400

230/400

230/400

230/400

230/400

230/400

230/400

 Ø flue

                   


 NB: The boiler is complete with reducer, fan, automatic fuel feed screw, safety-release valve (water protection), electric control panel and electric panel for the reducer and screw.

 

 

   LEGEND:

 

1

Upper door – for fuel feeding

 

10

Connection of the temperature probe

2

Lower door – for cleaning

 

11

Position for the thermostatic valve /

thermal expansion valve

3

Mechanical air thermostat
(only for work on solid fuel)

 

12

 

Drainage 1/2"М

 

4

Air valve for air regulation
(only for work on solid fuel)

 

13

Cast iron hearth

 

5

Rear chamber of the chimney

 

14

Lower feeding screw

6

Top for cleaning of the smoke chamber

 

 

Upper feeding screw

7

Water outlet (hot water)

 

15

Safety-release valve (water protection)

8

Water inlet (cold water)

 

16

Fuel tank

9

Flue

 

 

 

 

Тип

 

KN/AT 

30

KN/AT 

50

KN/AT 

80

KN/AT 

110

KN/AT

160

KN/AT 

200

KN/AT 

250

KN/AT 

300

KN/AT 

350

Мощност на пелети/въглища kW 42 68 106 158 192 234 296 348 350

 Мощност на  дърва

kW

30

50

80

110

160

200

250

300

350

 Макс. работна  температура

90

90

90

90

90

90

90

90

90

 Макс. работно  налягане

bar

2,5

2,5

2,5

2,5

2,5

2,5

2,5

2,5

2,5

 Воден обем

л

110

125

202

254

292

324

335

386

423

 Вход / изход  вода

цол

11/4

1 1/2

2

21/2

3

3

3

4

4

 Височина на  котела

мм

1270

1290

1405

1460

1490

2280

2300

2390

2390

 Височина на  системата

мм

1570

1590

1705

1760

1840

2630

2650

2700

2750

 Дължина на  котела Ø

мм

540

610

680

730

820

820

820

980

1000

 Ширина на  системата АТ

мм

1440

1510

1580

1630

1720

1720

1720

2100

2180

 Дължина

 на котела KN

мм

820

910

1080

1245

1420

1460

1460

1700

1720

 Дължина на  системата АТ

мм

820

910

1080

1245

1420

1460

1460

1720

1720

 Тегло на  котела

кг

242

300

412

518

654

1018

1032

1400

1496

 Тегло на

 системата АТ

кг

406

478

606

706

980

1350

1392

1760

1855

 Обем на  бункера АТ

м3

0,41

0,41

0,41

0,66

0,66

0,66

0,80

0,80

0,80

 Мощност на  двигателя

HP

0,5

0,75

1

1

1,5

1,5

1,5

2

2

 Обороти

Rpm

23,3

35

35

35

56

56

56

47

47

 М ел. мощност  на вентилатора

W

90

90

100

100

180

180

180

370

370

 Дебит на  вентилатора

м3

290

290

450

450

450

900

900

900

900

 Eл. мощност

V

230/400

230/400

230/400

230/400

230/400

230/400

230/400

230/400

230/400

 Ø комин

мм

200

200

200

250

250

300

300

300

300

 

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