Electric heating steam boiler energy saving computer controller: 
 1, Model: DJF-LED-XDQ 
 Dimensions: 90 × 140 × 35; Installation size: 77 × 125; junction box: 170 × 150 × 55 
 Two heating group; a water supply pump; a group alarm output; four water; load adjustment input; 
 Over-temperature super-pressure input. 
 2, Model: DJF-LED-ZDQ 
 Dimensions: 275 × 170 × 130; Installation size: 240 × 155; 
 Five heated group; two water supply pump (one with a prepared); a group alarm output; four water level; 
 Load regulation input; over pressure alarm input; over-temperature alarm input. 
 3, Type: DJF-LCD-DDQ 
 Dimensions: 320 × 195 × 130; Installation size: 285 × 180; 
 Second group of heating group (you can set the heating group number); two water supply pump (one with a prepared); 
 A set of alarm output; five water; load regulation input; over pressure alarm input; 
 Over-temperature alarm input; the main supply pump overload the input, maintenance and water supply pump overload input, external alarm input.