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Installation and Operating Manual for

2010-2015

NCB-120-COAL
NCB-175-COAL
NCB-250-COAL

NCB-275G-COAL
NCB-325G-COAL
NCB-400G-COAL

Non-Pressurized Outdoor Coal 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 2015-1.9

Содержание NCB-120-COAL

Страница 1: ...NCB 175 COAL NCB 250 COAL NCB 275G COAL NCB 325G COAL NCB 400G COAL Non Pressurized Outdoor Coal 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 9 ...

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Страница 3: ...If you are in need of insulated pex heat exchangers or other parts for your new boiler call your dealer or call us at 877 251 7740 for the lowest prices Boiler water treatment and test required at time of installation and annually to validate warranty See warranty page for complete details Visit www naturescomfortllc com each year to confirm the most up to date installation operation warranty info...

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Страница 5: ...mAirFlow 16 K InstallingOn AnExistingIndoorBoiler 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 CoalRequirements 22 B StartingAFire 22 C LoadingCoal 22 D BlowerOutputDamper 23 E PowerLossProcedure Runn...

Страница 6: ... water tank 12 000 sq ft COAL 85 x50 x96 tall 2813 lbs 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 and when dry coal is used Deduct a minimum of 500 sq ft if heating domestic hot water Firebox Sizes Model Coal Cu Ft Description Width Depth Opening Ash Pan NCB 120 15 0cu ft oval 25 5 W x 31 H 36 21 75 W ...

Страница 7: ...S Flammable liquids household or yard waste can reduce the life of the boiler will void the warranty and is illegal in most areas 5 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 doors are tightly shut un...

Страница 8: ... 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 will shut down b...

Страница 9: ...nger 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 heating system in concrete a mixing...

Страница 10: ...nces and to the prevailing wind direction 2 Do not 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 ...

Страница 11: ...nderground insulated pex pipe for transferring the heated water from the boiler to the home Minimum pipe size permitted is 1 Platinum 3 wrap 4 drain tile Platinum 4 wrap 5 drain tile insulated pipe is available for purchase through Nature s Comfort or your dealer 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...

Страница 12: ... output 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 or your dealer 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 ded...

Страница 13: ...you have a 2 wire system 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 your dealer or Nature s Comfort ...

Страница 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...

Страница 15: ... 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 is smaller than the length of the heat exchanger as follows Make cuts at the top and bottom of the plenum...

Страница 16: ...ram As shown in the above figure the two systems are totally isolated from each other so that the existing hydronic system remains undisturbed and functions exactly as it did before Water that circulates through the outdoor boiler is never circulated through the home s hydronic system or vice versa All pumps and controls remain essentially the same on the existing system but you will need to keep ...

Страница 17: ...am on the next page shows a typical control setup for operating a 2 zone radiant system for a new radiant installation that does not use an existing hydronic furnace Part numbers are noted on each item for ordering from Nature s Comfort ...

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Страница 19: ...rculated for 1 hour test Nitrite level to assure required 1 000 1 500ppm and add treatment if below this level Submit a water sample to your dealer or Nature s Comfort for official warranty Nitrite testing and also once a year thereafter REQUIRED See warranty for full details M Float Level After priming and starting the circulation pump and bleeding the heat exchanger see next section let the boil...

Страница 20: ...oiler must first go to the top side port This creates twice the domestic water flow through the sidearm as opposed to coming in at the bottom side port For the fastest recovery install a small circulation pump on the domestic side that is controlled by a strap on thermostat or thermal snap disc placed on bottom line on the domestic side Hookups to the domestic side must be connected to the drain a...

Страница 21: ...o 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 or your dealer 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 ...

Страница 22: ... 3 times and once fully burning load the firebox up to the edge of the firebrick lined portion of the firebox if applicable Caution Follow procedures as outlined in Loading Coal next section for opening fuel door NOTE There will also be a large amount of condensation created until the water jacket comes up to temperature This may drip from access doors and covers and will dry out within 24 hours C...

Страница 23: ...rter if needed If the water jacket ever starts to overheat from lack of circulation during a power outage first make sure to keep the water level full then use this feature to keep the pump running F Warm Weather Operation Bypass For Domestic Hot Water Only Operation in warmer weather will result in larger amounts of creosote due to longer idle times and can also be more difficult as too many coal...

Страница 24: ...ense 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 extremely hot fire The chimney and any connectors must be inspected at least twice monthly during the heating season to determine if a creosote buildup has occurred If creosote has accumulated 3mm or more it should be removed...

Страница 25: ... 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 caulk keeping the rope pushed out leave door open 24 hours until caulk behind rope is fully cured Re adjust door to properly seal Pre condition rope as ex...

Страница 26: ... out causing the rotor to scrub on one side of the canister housing To inspect and clean the rotor and canister take the 4 Allen screws off to remove the motor from the volute NOTE The rotor shaft is ceramic If it or the pump is dropped hit bounced or jarred it can fracture and or break Use care when handling Gently use a screwdriver to pop the lower SS plate also serves as the lower bearing from ...

Страница 27: ... Please keep this manual 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...

Страница 28: ...is low in boiler Aqua stat malfunction Not enough demand or warm weather Make sure doors and covers are sealed adjust if necessary Adjust damper Larger pump or pipe reduce of fittings Add water to keep full Replace aqua stat Load smaller amounts to prevent large coal bed from over producing Boiler fire does not stay lit Not leaving some coals in burn area No air flow Chimney plugged with creosote ...

Страница 29: ... 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 approved nitrite test must still be performed af...

Страница 30: ...f 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 service Please keep in mind that Nature s Comfort built the boiler but did not install it and has no control over the installatio...

Страница 31: ..._______________________________________ Business and first last name Date of Installation _________________________________ In case of questions Installed By ________________________________________________________________ Business and first last name Installer s Address ________________________________________________________________ Street ________________________________________________________...

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

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

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

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