Technical data
Main dimensions:
| ZEUS | 25/20 | 25 | 30 | 35/40 |
| Dimension A | 760 | 760 | 910 | 910 |
| B | 435 | 435 | 435 | 535 |
| C | 1120 | 1120 | 1120 | 1120 |
| D | 100 | 100 | 100 | 100 |
| E | 965 |
965 |
965 | 965 |
| F | 985 | 985 | 985 | 985 |
| G | 985 | 985 | 985 | 985 |
| H | 880 | 880 | 880 | 880 |
| K | 70 | 70 | 70 | 70 |
| L | 217,5 | 217,5 | 217,5 | 267,5 |
| M | 385 | 385 | 385 | 485 |
Boiler functional diagram:
Legend:
- loading door
- cast iron element grates
- ashtray door
- combustion air inlet flap
- ashtray
- thermal insulation
- outlet water connection G 6/4"
- flue outlet with chimney flap
- flue gas path sections
- connection holes for safety exchanger or integrated DHW exchanger G 1/2"
- flue gas space
- fireclay blocks
- return water connection G 6/4"
- flue gas flow deflector
- flue gas deflector (remove through deflector flap 14 when cleaning the flue gas paths)
Technical data table:
| MODRATHERM ZEUS | ||||||
| Typ | ZEUS 25/20 | ZEUS 25 | ZEUS 30 | ZEUS 35 | ZEUS 40 | |
| Output range ( min/max) | kW | 7/22 | 8/27 | 10/32 | 12/37 | 14/42 |
|
Efficiency |
% | 76 - 78 | ||||
| Recommended fuel ( EN 303-5) | - |
rounded wood soft A1 and hard A2 splitted wood B1 maximal fuel humidity 20% |
||||
| Alternative fuel | - | wood briquettes, brown coal | ||||
| Combustion chamber depth |
mm |
420 | 570 | |||
| Water volume | l | 50 | 56 | 68 | ||
|
Pressure boiler lost at V=1,5 m3 . h-1 ( ∆ p=2V2) |
mbar | 3,1 | 3,2 | 4,7 | 5 | |
| Volume for wood | l | 61 | 83 | 110 | ||
| Minimal chimney draft | Pa | 15 | ||||
| Maximal boiler working pressure | bar | 2,5 | ||||
| Max. working pressure of the security heat exchanger | bar | 6 | ||||
| Dimensions of the loading hole ( w x h ) | mm | 290 x 360 | 390 x 360 | |||
| Boiler dimensions ( w x h x d) | mm | 435x1120x760 | 435x1120x910 | 535x1120x910 | ||
|
Overall weight |
kg | 200 | 237 | 280 | 282 | |
| Chimney connection | mm | 150 | ||||