Nature's Comfort NCB-80 Installation And Operating Manual Download

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Installation and Operating Manual For

2012-2015

NCB-80

Non-Pressurized Outdoor Wood Boiler

Manufactured by Nature’s Comfort LLC.

Made in the USA

www.naturescomfortllc.com

Built Like A Tank

With Laser Precision

SAVE THESE INSTRUCTIONS

Revision 2015-1.6

Summary of Contents for NCB-80

Page 1: ...ng Manual For 2012 2015 NCB 80 Non Pressurized Outdoor Wood Boiler Manufactured by Nature s Comfort LLC Made in the USA www naturescomfortllc com Built Like A Tank With Laser Precision SAVE THESE INSTRUCTIONS Revision 2015 1 6 ...

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Page 3: ...er We appreciate your business If you are in need of insulated pex heat exchangers or other parts for your new boiler call us 877 251 7740 we have the lowest prices Boiler water treatment and test required at time of installation and annually to validate warranty See warranty page for complete details For the most up to date installation operation warranty information or if you need to see any pag...

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Page 5: ...PlenumAirFlow 16 K InstallingOnAnExistingIndoorBoiler 16 L FillingTheBoilerWithWater 19 M FloatLevel 19 N BleedingAirFromHeatExchangers 19 O Pre conditioningRopeSeals 19 III HeatingDomesticWater PoolsandSpa s A SidearmOrPlateHeatExchangerForDomesticHotWater 20 B HeatingAPoolOrSpa 21 IV Operation A FuelRequirements 22 B StartingAFire 22 C LoadingFuel 23 D BlowerOutputDamper 23 D PowerLossProcedure ...

Page 6: ...rical Rating 115 VAC 5A 15A max when convenience outlet is used 60 HZ Min Circuit Breaker 15 Amp Draft Blower 148 CFM 115 VAC Water Pump 115 VAC 2A max Chimney 4 inside diameter NCB 80 115 000 BTU 80 gallon water tank 2 000 sq ft 54 x 46 x 67 tall 1 100 pounds Will heat up to x sq ft This must include all heated areas of home as well as basement with proper installation properly insulated building...

Page 7: ...ler will void the warranty and is illegal in most areas 5 Wait until boiler has shut down and idled for at least 5 minutes before opening the fire box door Pause for 30 seconds between the first latch and the safety latch to allow any combustion gases to burn off Always keep fueling and de ashing doors closed and maintain all seals in good condition 6 In the event of a runaway fire make sure all d...

Page 8: ...as a single zone You may install fittings to have ports for up to 4 zones Consult your dealer Additional port setups with pumps are also available from Nature s Comfort when ordering a new unit Single Zone setup 1 Power from home feeds lower outlet 2 Control power for pump aquastat solenoid blower and light is fed through main plug by lower outlet 3 Switch for shutting off power to aquastat which ...

Page 9: ...nderground pex pipes to a heat exchanger that must be installed in the existing furnace system If you have a forced air system a water to air heat coil must be installed in the ductwork When air travels through heat is extracted and hot air is emitted out of the registers A water to water plate heat exchanger must be used if you have a hydronic radiant heating system When connecting to an in floor...

Page 10: ...t locate the boiler within 100 ft of a residence not served by the boiler Be considerate of neighboring residences properties parks etc 3 Do not locate the boiler near any combustible materials gasoline or other flammable liquids or gases 4 The boiler should be located away from dry grassy areas and any buildings to minimize danger of fires 5 Check with the insurance company and local codes or ord...

Page 11: ... water from the boiler to the home Minimum pipe size permitted is 1 4 triple wrap 6 5 wrap insulated pipe is available for purchase through Nature s Comfort It may contain twine for pulling electrical wire If possible do this with the pipe laid out straight for ease of pulling CALL YOUR LOCAL MISS DIG HOTLINE BEFORE YOU DIG TRENCHES Bury the underground insulated pipe below frost lines or just abo...

Page 12: ... A 1 pipe can carry up to 37 more BTUs due to higher water flow The fittings above would need to be changed to accommodate 1 Pex The Armstrong E9 2 pump available from Nature s Comfort has the ability to do this in a 1 pipe within distance height limitations E Wiring the Boiler A qualified electrician must wire this boiler in accordance with the National Electrical Code A dedicated 15amp 115vac gr...

Page 13: ... 2 wire system don t have a blower only function or the thermostat is the advanced computerized type that communicates back and forth between the furnace typically found on heat pump systems Do not use this method if your HVAC system utilizes a multi speed blower All of the parts below are available through Nature s Comfort ...

Page 14: ...rk Use adhesive backed foam tape used for insulating doors and windows to seal around the frame and foil tape to seal off the opening you make in the plenum heat for the heat exchanger Make sure the fittings for the supply and return lines are easy to get to once the heat exchanger is installed You should be able to find a heat exchanger to fit most popular sizes of plenums If you are unable to th...

Page 15: ...he proper width apart as shown below Dimension C Secure in place using pop rivets or self tapping screws Slide the heat exchanger carefully into the plenum to check the fit again Once proper fitting is verified you can seal off the ends of the heat exchanger and the hole you made in the plenum with foil or duct tape I Installing In A Small Plenum You can install a heat exchanger in a plenum that i...

Page 16: ...s well J Adjusting Plenum Air Flow The motors on most force air furnaces have three speeds to provide various rates of air movement Please consult a local furnace specialist if you want to change the airflow of an existing furnace system K Installing On An Existing Indoor Boiler The NCB boiler may also be connected to an existing boiler system A water to water plate heat exchanger is needed to tra...

Page 17: ...trapping a thermal snap disc limit control to the incoming line from the outdoor boiler and wiring it in series with the indoor boiler s aquastat see next drawing This provides the means to solely heat the home with the outdoor boiler if the water on the incoming line is over 140F If it ever falls below 120 the indoor burner will fire again to keep the home warm and also reverse heat the outdoor b...

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Page 19: ... water expands and contracts with temperature changes Be sure to keep the boiler full of treated water at all times including through the summer as this will keep the boiler free from corrosion and when in use from overheating causing circulation pump failure N Bleeding the Heat Exchangers With the pump running prime and flush bearings first simply close a valve on the return side hold for 1 secon...

Page 20: ... the domestic side must be connected to the drain and pressure relief ports You cannot use a sidearm if the pressure relief port is on top of the water heater tank The domestic side will not thermal siphon properly and will frequently air lock as well Make sure to keep drain pressure relief in service purge all air from piping and sidearm or it will air lock The plate HX drawing shown is for a pre...

Page 21: ...boiler to a pool or spa since the chemicals used in a pool spa are destructive to the boiler Pool heat exchangers are available from Nature s Comfort For sizing you will need to know the volume of the pool in cubic feet or gallons Be sure to install isolation and bypass valves for easy servicing and winter draining and also place before a chlorinator Install a separate line and pump on the boiler ...

Page 22: ...f clearance area and away from front and back of stove for space required for fueling ash removal other routine maintenance operations Keep wood pile covered but open to the wind in Fall through Spring as rain and snow will greatly hamper seasoning Wood will not dry out season properly until split Hardwoods burn longer than softwoods as they are denser and have more available BTU s Larger pieces b...

Page 23: ...blower is mounted is for adjusting airflow to obtain maximum burn times Start with the damper pushed up so the lowest notch lines up with the bottom of the flange and pull down to open further as needed Do not open so far as to throw embers out the chimney The damper position will vary based on type of wood used and moisture content E Power Loss Running On A Generator The controls are designed for...

Page 24: ... be placed in this container C Creosote Formation And Need For Removal When wood is burned slowly it produces tar and other organic vapors which combine with expelled moisture to form creosote The creosote vapors condense and accumulate in the relatively cool chimney flue of a slow burning fire As a result creosote residue accumulates on the flue lining When ignited this creosote makes an extremel...

Page 25: ... accommodate up to a of misalignment Make sure to push the rope to the outside of the corners to mate properly with the jamb do not stretch the rope Put some caulk on the joint ends after cutting the rope and make sure the ends are compressed or smoke will seep through Over extend the door latch open and bounce the door closed twice to custom fit the seal to the jamb If there are thick spots of ca...

Page 26: ...bled before running or not having enough clearance caused by scale buildup around the bearings or around the rotor inside the canister causing oscillation vibration Scale buildup happens if the water has too much hardness and is something that is greatly accelerated if the water does not have the proper amount of treatment Vibration can lead to fracturing and breaking of the shaft and is not cover...

Page 27: ...anual with all other important papers The information in this manual is necessary for the installation operation and proper use of the boiler If you should ever have a problem or question refer to this manual or call your dealer If your dealer does not have the information you need request they contact Nature s Comfort and your dealer will be further educated to provide the best possible customer ...

Page 28: ...mper open to far Poor circulation Water is low in boiler Aqua stat malfunction Make sure loading door is sealed adjust if necessary make sure all openings are shut Adjust damper Larger pump reduce of fittings Add water to keep full Replace Aqua stat Fire does not stay lit Not leaving enough coals in burn area No air flow Blower failed Leave more coals in burn area load sooner Check the area behind...

Page 29: ...ust be submitted for nitrite testing when first filled and then annually at the end of a heating season to ensure proper nitrite concentration 1 000 1 500ppm for your warranty to remain valid The water jacket must remain full of properly treated water at all times after installation save for draining flushing and re treating Minimum recommended initial mix ratios for each boiler is an officially a...

Page 30: ...he boiler If you should ever have a problem or question refer to this manual or call your dealer If your dealer does not have the information you need request they contact Nature s Comfort and your dealer will be further educated to provide the best possible customer service Please keep in mind that Nature s Comfort built the boiler but did not install it and has no control over the installation t...

Page 31: ..._____ Dealer Purchased From _________________________________ Date of Installation _________________________________ Installed By ________________________________________________________________ Installer s Address ________________________________________________________________ Street ________________________________________________________________ City State Zip Installer s Phone Number ________...

Page 32: ...NCB Built Like A Tank With Laser Precision Page 32 of 34 ...

Page 33: ... Purchased From __________________________________________________________ Test Information Date Sample Taken ___________________________________________________________________ ____________________________________________________________________________________ This portion to be filled by person performing test Date Test Performed _________________________________________________________________...

Page 34: ...NCB Built Like A Tank With Laser Precision Page 34 of 34 ...

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