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ATMOS GASIFYING BOILERS FOR WOOD
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| ENVIRONMENT Reverse combustion and a ceramic combustion chamber enable perfect combustion with minimum polluting emissions. The boilers comply with environmentally-friendly product requirements according to Guideline No. 13/2002 of the Czech Ministry of Environment. INSTALLATION ATMOS boilers must be connected via the LADDOMAT 21 or ESBE thermoregulation valve to achieve keeping the minimum temperature of water returning to boiler at 65°C. The temperature of water exiting the boiler must be permanently kept between 80 - 90°C. The default configuration of all boilers includes a cooling circuit to prevent overheating. We recommend installing boilers with accumulation tanks. CERTIFICATION All ATMOS boilers are certified in testing laboratories
for the individual countries of destination: State Testing Laboratory Brno,
TÜV Munich - Germany, according to current standards - EN 303-5. |
| BOILER REGULATION
Electrical - mechanical - Power is
controlled with a safety valve operated with the draught regulator, FR 124
type, which automatically opens or closes the safety valve according to a
set output temperature of water (80 - 90°C), (except for DC50SE) instead of
this, the boiler is equipped with a BELIMO servo flap with a spring. When
setting the power regulator, much attention should be paid because the
regulator has another important function other than power regulation - it
also secures the boiler against overheating. A controlling thermostat
located on the boiler panel regulates the fan according to a set temperature
(75 - 85°C). A temperature lower by 5°C should be set on the controlling
thermostat rather than on the FR 124 draught regulator. |

| LEGEND OF THE BOILER DIAGRAM | |
|---|---|
| 1. Boiler drum 2. Filling door 3. Ash pan door 4. Fan - pressure, exhaust (S) 5. Fireproof and heat-resisting fitting - nozzle 6. Control panel 7. Safety thermostat 8. Regulating safety valve 9. Fireproof and heat-resisting fitting - furnace side - GS 10. Fireproof and heat-resisting fitting - GS - round space L+P 11. Sealing - nozzles 12. Fireproof and heat-resisting fitting - half-moon 13. Firing safety valve |
14. Fireproof and heat-resisting fitting - GS - rear face of round space 15. Cleaning cover 16. Orifice plate 17. Firing safety valve pull rod 18. Thermometer 19. Furnace orifice plate 20. Switch 22. Power regulator - Honeywell FR124 23. Cooling loop 24. Fan thermostat 25. V. Door panel - Sibrall 26. Door sealing - cord 18 x 18 27. Waste gas thermostat |
| Dimensions | DC 20GS | DC 25GS | DC 32GS | DC 40GS | DC 40SX | DC 50S | DC 70S | DC 75SE |
|---|---|---|---|---|---|---|---|---|
| A | 1200 | 1200 | 1200 | 1350 | 1200 | 1200 | 1320 | 1420 |
| B | 770 | 970 | 970 | 970 | 970 | 1170 | 1170 | 1470 |
| C | 670 | 670 | 670 | 670 | 670 | 670 | 670 | 770 |
| D | 946 | 946 | 946 | 1092 | 946 | 946 | 1050 | 1153 |
| E | 152 | 152 | 152 | 152 | 152 | 152 | 180 | 180 |
| F | 75 | 75 | 75 | 75 | 75 | 75 | 90 | 70 |
| G | 180 | 180 | 180 | 180 | 180 | 180 | 325 | 180 |
| H | 1000 | 1000 | 1000 | 1137 | 1000 | 1000 | 1230 | 1100 |
| CH | 255 | 255 | 255 | 255 | 255 | 255 | - | 305 |
| I | 240 | 240 | 240 | 240 | 240 | 240 | 240 | 290 |
| J | 6/4" | 6/4" | 6/4" | 2" | 6/4" | 2" | 2" | 2" |
| Technical data: Type ATMOS | DC 20GS | DC 25GS | DC 32GS | DC 40GS | DC 50S | DC 80,DC 70S | DC 75SE |
|---|---|---|---|---|---|---|---|
| Operating power interval (kW) | 14-20 | 17-25 | 22-32 | 28-40 | 35-48 | 49-70 | 50-75 |
| Required chimney Exhausted (Pa) | 20 | 23 | 25 | 25 | 25 | 30 | 30 |
| Boiler weight (kg) | 350 | 408 | 415 | 453 | 407 | 487 | 700 |
| Water volume (l) | 64 | 80 | 80 | 90 | 89 | 93 | 190 |
| Fuel container volume (dm3) | 87 | 130 | 130 | 170 | 180 | 180 | 345 |
| Max. length of wood (mm) | 330 | 530 | 530 | 530 | 730 | 730 | 1000 |
| Typ. consumption in season (m3) | 17 | 25 | 32 | 40 | 50 | 70 | 64 |
| Required fuel | Dry wood with specific energy 5-18 MJ/kg, diameter 70 - 100 mm, 12 - 20% water contents | ||||||
| Min. return water temperature | 65 °C | ||||||
| Efficiency in the operating power interval | 81 - 87 % | ||||||
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