Charging Boilers

Defro Classic Plus

DEFRO CLASSIC PLUS boilers with manual charging are equipped with horizontal flue gas channels and are adapted for upper combustion of solid fuels. They are intended for heating of facilities with area up to 250 m2. Primary fuel - chestnut hard coal, fine coal, secondary fuel: mix of chestnut coal and fine coal, seasoned wood and wooden wastes. Combustion process with forced air blowing, controlled by an electronic controller, what allows more precise adjusting of temperature and improvement of operation comfort. Multi-point air supply system to the fuel charging zone increases stability and efficiency of boiler operation.

gwarancja 4 4 years of warranty for heat exchanger tightness of heat exchanger; 2 years for the remaining components and efficient operation of the boiler;
stal-6 heat exchanger made of certified boiler steel
sprawnosc-82.png high thermal efficiency up to 82% thanks to increased recovery of heat from flue gases - multidraught system of horizontal flue gas ducts;
powietrze-wielopunkt.png multipoint air supply system;
sterownik-4-dotyk.png electronic control of boiler servicing of two pumps;
ruszt-wodny.jpg water-cooled grate;
klamka.jpg adjustment of doors pressing force;

 

Name of the boiler   DEFRO Classic Plus
Specification/boiler type Unit 6 10 15 20 25
Power range kW 1,8-6 3,0-10 4,5-15 6,0-20 7,5-25
Heating area

m2

0,9 1,6 1,7 2,0 2,3

Area of heated rooms 1

m2

to 100 to 140 to 170 to 220 to 250
Single fuel charging kg ~12 ~19 ~19 ~23 ~31
Optimum thermal efficiency % ~80
Energy efficiency class - D D D D D

Max. permissible operation

pressure

bar 1,5
Required flue gas draught Pa 18 20 22 23 26
Max. temp. of water on supply °C 65/85

Boiler weight 2

kg 168 241 245 280 310
Boiler water tank capacity l 33 52 55 62 73
Chimney section cmxcm 14x14 14x14 14x14 14x14 16x16
Chimney section

Ø mm

160 160 160 160 160

Minimum chimney height

m

5,5

5,5

6

7

7

Width

mm 462 550 550 600 600

Depth

mm

765

930

930

940

1010

Height mm 1225 1435 1260 1310 1365

Diameter of supply and return Dn

mm

G1 ½”

Diameter of flue mm 127 159 159 178 178
Dimensions of charging chamber and charging hole

width

depth

height

width x height

258

253

236

258 x 188

258

368

251

258 x 188

258

368

251

258 x 188

308

368

251

308 x 238

308

438

288

308 x 238

Height to bottom edge of the flue

mm 795 965 965 1015 1065

1 Maximum area of heated rooms estimated for unit heat demand q=80 W/m².
2 Boiler weight depends on the equipment.
We would like to inform the DEFRO LOGISTIC company is the exclusive distributor of the
DEFRO Classic Plus on the Polish market.

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