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1. Fuel sources 

The recommended source of fuel for the BioMass boiler is cut and split firewood that is 
well seasoned, with moisture content between 15% and 30%. Log size should be 
around 6 inches in diameter and about 20 inches in length for the BioMass 40 and up to 
30 inches in length for the Model 60. Smaller size wood can be used as well (it will 
increase power output of boiler), including briquettes, artificial logs, wood pellets, and 
corn cobs with kernels. Additional fuel sources like dry wood chips can be added along 
with dry logs, as well as 50% coal. 
 

2.  Boiler construction and design 

The BioMass boiler is made of ¼” boiler plate steel. The heat exchanger is made out of 
multiple, 3-inch diameter tubes (0.150 inch in wall thickness). Chimney outlet is 6-inches 
in diameter. Special construction of the BioMass boiler allows for a very efficient heat 
exchange from the boiler into the heating system by using multiple water pass trough 
water jacket and counter flow of flue gas. The insulation jacket (made out of 
compressed, mineral wool) minimizes heat loss from the boiler, allowing for the 
maximum amount of heat transfer from the boiler into the heating system.  

 

3. How the boiler works 

During the gasification process, wood inside the loading/burning chamber is dried and 
gradually gasified as temperature raises on the bottom of loading chamber. The  highly 
combustible gas (in the form of smoke) is drawn down through the ceramic nozzle into 
the refractory-lined secondary combustion chamber with a help of blower, mixed with 
fresh ( secondary) air and burned at very high temperatures. The hot, burned gas (flue 
gas) travels up through the heat exchanger tubes, out the exhaust opening, and into the 
chimney. The temperature of secondary combustion (around 2000 °F) completely burns 
off virtually all smoke and particles and other contaminants. Gasses released from the 
chimney are practically invisible and do not contain unburned particles. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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Summary of Contents for BioMass NextGen 25

Page 1: ...Owner s Manual Distributed exclusively in North America by New Horizon Corporation Inc 151 McGregor Drive Sutton WV 26601 304 765 7171 newhorizon gmail com www newhorizoncorp com Model 25 Model 40 Model 60 Model 80 UL CSA approved by GUARDIAN 1 ...

Page 2: ... 2 ...

Page 3: ...iler operation 8 Starting the fire 8 Loading fuel 8 Maintaining and cleaning the boiler 8 Additional maintenance tips 9 Boiler assembly and installation 9 Hot water storage tank 10 Recommended clearances 11 Boiler parts and features 12 Open system setup 14 Electrical setup for Model 40 15 Electrical setup for Model 60 16 Manufactured for New Horizon Inc by HAMECH POLAND 17 200 HAJNÓWKA ul Armii Kr...

Page 4: ...boilers should be installed by a certified plumber or plumbing and heating contractor or technician New Horizon Inc does not take any responsibility for incorrect installation or improper boiler usage BioMass boilers are generally used for heating homes and small commercial buildings The water temperature inside the boiler cannot exceed 200 F The display on the boiler s controller will show the cu...

Page 5: ...he boiler into the heating system by using multiple water pass trough water jacket and counter flow of flue gas The insulation jacket made out of compressed mineral wool minimizes heat loss from the boiler allowing for the maximum amount of heat transfer from the boiler into the heating system 3 How the boiler works During the gasification process wood inside the loading burning chamber is dried a...

Page 6: ...om thermostat advance setting 4 Enable oil boiler when wood burner is operating or disable oil boiler when wood burns out In case of excessive water temperature creeping over 195 F overheating should be prevented by a safety thermostat aqua stat which should activate so called damp zone in garage or in basement to relieve excess heat Controller is also able to automatically shut down operation of ...

Page 7: ...rn Water Pipe C in 32 32 6 32 4 36 5 Height of Water Drain Valve D in 2 7 2 7 2 7 2 75 Height of Flue Pipe E in 46 5 46 5 46 5 49 5 Width with Clean up Lever F in 25 31 5 31 5 31 5 Depth H in 39 39 54 5 59 0 Distance of Hot Water Outlet I in 9 5 9 5 9 5 14 0 Flue Pipe Size J in 6 6 6 8 Hot Water Outlet Pipe Size G in 2 2 2 2 Water Return Pipe Size G in 2 2 2 2 Drain Pipe Size G 3 4 3 4 3 4 Boiler ...

Page 8: ...h of the wires used is sufficient Confirm that the electrical outlet and the controller have the same voltage 110 V When these precautions have been taken plug the regulator into the electrical outlet 110V and then turn on the power switch The regulator will automatically reset itself and display the current boiler temperature The regulator should not be exposed to extreme sunlight or heat If dust...

Page 9: ... smoke and fill the entire loading chamber with fuel make sure that the draft blower is operating to prevent smoke from escaping Close the upper door tightly and close bypass flap Set the desired water temperature on the controller 6 Reloading fuel procedure Before opening loading door open bypass flap crack open door and allow venting Wait 10 15 seconds Fill up the upper loading chamber with dry ...

Page 10: ...boiler at the end of the heating season thoroughly clean both chambers It is a good idea to burn some wood from time to time to keep boiler dry inside to increase the longevity of the unit 8 Additional maintenance tips During the heating season regularly check water pressure in your heating system leaks in your heating system heat exchanger seal door seals 9 Boiler assembly and installation BioMas...

Page 11: ...er storage tank with the BioMass boiler is highly recommended but not necessary Depending on the size of the space being heated the storage tank should be between 500 and 1 000 gallons Storage tanks Decrease fuel consumption Increase the lifespan of the boiler by decreasing idle time during the outside temperature changes Make the entire heating system more efficient and easier to operate Decrease...

Page 12: ...Recommended clearances for BM 25 40 60 80 in mm Note Neither New Horizon Corp nor the manufacturer is responsible for inappropriate boiler installation or operation 12 ...

Page 13: ...Boiler parts and features See page 13 for details 13 ...

Page 14: ...fractory Nozzle 12 Door Handle 13 Secondary Burning Chamber ash pit 14 Lower Door 15 Flue Connection 6 16 Clean up Access Cover 17 Clean up Access 18 Chimney Bypass Flap 19 Heat Exchanger Clean up Lever 20 Overheat Thermostat 21 Hot Water Outlet 22 Lower Clean up Access Cover 23 Lower Clean up Access Cover 24 Boiler Water Return 25 Tubular Heat Exchanger 26 Secondary Air Injection 27 Flue Flow Dir...

Page 15: ...Open system setup example 15 ...

Page 16: ...Electrical setup for BioMass 40 16 ...

Page 17: ...Electrical setup for BioMass 60 and 80 17 ...

Page 18: ...inally purchased Shipping charges in connection with replacement or repair shall be paid by the owner Warranty Year of Coverage 1 5 100 6 60 7 50 8 40 9 30 10 20 20 21 0 Example 1 Repair costing 250 in year 7 Importer will pay 125 00 50 of this repair OTHER COMPONENTS LIMITED THREE YEAR WARRANTY This limited warranty covers only repairs or replacements resulting from defects in materials and workm...

Page 19: ...must be performed by your dealer or someone authorized by him You may be required to present this limited warranty to the dealer before any work is performed You must pay for any work performed which is not covered by this limited warranty or which is not authorized by the dealer Disposal and recycling of boiler components EKO boilers contain steel electronic components insulation and other materi...

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