Dachs

The Dachs mini-CHP unit can be fuelled by either natural gas or LPG. The table below shows the data for the natural gas unit.   

 

 

Dachs G 5.5

 Electrical output(3-phase) 5.5 kW 
 Thermal output (min.) 12.5 kW 
 With condenser (max.) 15.5 kW 
   
 Efficency gross (nett) 79% (88%) 
 Max. with condenser 92% (102%) 
   
 Height 1000 mm. 
 Width (excl.controller) 720 mm. 
 Depth 1060 mm. 
   
 Weight 530 kg 
   
 Standard SV setting 2.5 bar 
 Max. working pressure (4.5 bar SV required) 5.0 bar 
 Fuel gas supply pressure 20-50 mbar 
 Natural gas input (22.8 kW)  2.13 m³/h 
 Noise emission (at 1 m) 52-56 dBa 
 Service intervals 3,500 h 
 Designed service life 80,000 hrs 
 Heating flow and return connections (flex.) 1" 
 Fuel gas connections (flex.) ½" 
 Non-condensed exhaust (steel) 1" 
 Condensed exhaust (plastic) DN80 
   
 Heating flow temperature 80°C 
 Max. heating return temp. 70°C 
   
 Electrical connections:  
 - 3-phase (3xL,N+E) onto 20A type 'C'  circuit breakers 2.5 mm. 
 - equipotential bonding to main earth 10 mm 
   
 Optional BMS interface:  
 - VF enable  
 - fault indication  
 - service due indication