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Installing the burner into the Comfort boiler: 

1.      

Install the burner on the side of the boiler  

 

(there should be no shield on the burner, when using the comfort boiler ). 

2.          Fit the controls either into a cabinet or on the wall. 
3.          Install the overheating safety cut off into the pocket on the side of the boiler, and connect the 

controls so that the overheating safety cut off will cut the power if the boiler overheats. 

4.          Install the heat sensor on the forward flow, either in the pocket or by the sensor on the for-

ward flow. (The sensor must be insulated to the forward flow.) 

5.           Fit the pipe on the drop shaft (this must be the pipe that comes with the Comfort boiler). 
6.           Fit the hopper and auger so that the pipe slopes.  
 

 

(PELLETS MUST NOT GET STUCK IN THE PIPE.) 

 

             

 

  

Comfort           Opop

 

Height      

 

1050mm             850mm 

Width                     700mm             380mm 
Depth  

 

  700mm             560mm 

Chimney          

  130mm             130mm 

Forward flow     

    1 1/4“               1 1/4“ 

Back flow          

    1 1/4“               1 1/4“    

Lining                

       1/2“                  1/2“ 

Efficiency          

      93,3%              89,7%             

Dragex  

 

 

 

 

 

 

 

    Draught stabilizer 

 

General guidelines: 

The boiler should be installed by an authorized fitter and must  
be installed in accordance with work supervision publication 42  
( Danish ) covering equipment working with water. 
The outlet duct should be no longer than 1m,  
and should be fitted with a cleaning door. 
The chimney draught should be at least 5 PA and should be stable, 
a draught stabilizer should always be installed.  
If combustion gases condense in the chimney (wet ash)  
install a draught stabilizer in the chimney, or open the flue  
(the flap inside at the back of the boiler)  
as wide as possible to increase the temperature of the smoke.  
The boiler must be spanned with a bypass to ensure the back flow is al-
ways kept above 55 degrees. 

Manual 

NBE pellet system 

INSTALLATION GUIDE FOR COMFORT BOILER 

Diag. Example of installation 

Summary of Contents for Bio Comfort Series

Page 1: ...100 step modulated Woody Generation EN 303 5 approved by DTI Danish Technological Institute Approved for pressure expansion Energy class AA Wood Pellets Burner Bio comfort...

Page 2: ...850mm Width 700mm 380mm Depth 700mm 560mm Chimney 130mm 130mm Forward flow 1 1 4 1 1 4 Back flow 1 1 4 1 1 4 Lining 1 2 1 2 Efficiency 93 3 89 7 Dragex Draught stabilizer General guidelines The boile...

Page 3: ...tall the auger through the opening over the burner 7 Ensure that the pipe slopes enough to allow the pellets to fall into the burner When using for the first time 8 Make sure there are enough pellets...

Page 4: ...burner and force run the auger until pellets start to come out of it continue for 15 minutes Then weigh the amount of pellets after 360 seconds and enter the result into the controls as the capacity o...

Page 5: ...on Under normal conditions these numbers will be correct To increase combustion set the value DOWN To reduce combustion set the value UP CHIMNEY DRAUGHT With a strong chimney draught the ventilator pe...

Page 6: ...00 in the morning CLOCK The clock correctness depends on the feed from the power station The clock is calibrated every time when you set it and should match after 1 4 settings WARNING The clock does...

Page 7: ...regulation set to ON The burner sets the amount of pellets to suit the required percentage of oxygen Oxygen regulation set to DISPLAY You can read the percentage but the burner does not set the amoun...

Page 8: ...quired temperature I GAIN Shifts performance in relation to the time the pellet burner deviated from the required temperature D GAIN Shifts performance in relation to the temperature trend of the boil...

Page 9: ...sh is black In this case fewer pellets are required at full load Increase the performance of the auger or reduce the pellets high If there is a weak flame on low load 10 30 performance Small flame and...

Page 10: ...lly suitable as the ash does not normally contain carbon particles or tar Combustion heads Remove the ash and any cinders from the grate Remove any remnants of pellets from underneath the grate Wipe t...

Page 11: ...heated 2 Control fuses broken 3 Contrast button not set on controls Reset overheating fuse Change the fuses Check for short circuits Set contrast button Burner ejects HFI relay 1 Ignition faulty 2 Fau...

Page 12: ...Manual NBE Pellets Systems ELECTRICAL WIRING DIAGRAMS...

Page 13: ...t NBE is liable to the purchaser the responsibility of NBE is limited to direct damage i e damage to connected equipment and indirect damage for loss of earn ings operating losses connection costs etc...

Page 14: ...Find the oxygen regulation in the menu and select DISPLAY Switch to the extended menu and calibrate the oxygen and the sensor Note the exhaust gas oxygen sensor must be held in the air The burner wil...

Page 15: ...Manual NBE Pellets Systems MOUNTING THE PELLET HOPPER...

Page 16: ...tte Bio comfort and Boink can be installed in the heat facilities listed in paragraph 4 of the Work Supervi sor publication no 42 1980 Regulations for Hot water Heating Systems It is assumed that the...

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