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- Nature's Comfort
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- NCB-80
- Installation And Operating Manual
Nature's Comfort NCB-80 Installation And Operating Manual
Summary of NCB-80
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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.
Page 3: Introduction
Introduction thank youand congratulations on the purchase of your new nature’s comfort outdoor boiler! With the purchase of this nature’s comfort outdoor boiler, you can now appreciate the high degree of craftsmanship and reliability that are a result of every boiler being carefully hand- built as w...
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Table of contents i. General information a. Terminology ............................................................................. 6 b. Clearance to combustibles required ........................ 6 c. Boiler dimensions & specs .............................................. 6 d. Safety precautions...
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Page 6 of 34 i. General information a. Terminology in this manual boiler: refers to the nature’s comfort boiler. Furnace:refers to the existing indoor gas or oil fired unit which heats the air or radiant water heat for the home. B. Clearance to combustibles required top, front, rear and sides: 36” f...
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Page 7 of 34 d. Safety precautions do not operate this equipment for anything other than its intended purpose or for anything other than in accordance with the instructions contained in this manual and all other instructions accompanying the boiler. It is important to observe safety precautions to p...
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Page 8 of 34 e. Controls & plumbing connections the ncb boiler uses a hot water thermostat (aquastat) with a sensor that is inserted into a brass drywell for sensing the water temperature of the unit. When the temperature falls below the differential setting on the aquastat, the blower turns on and ...
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Page 9 of 34 (pump not included, light n/a if solar light was included) f. Heating the home the ncb boiler saves energy and provides the most comfortable heating available. It heats the home by burning seasoned hardwood to heat a firebox surrounded by a steel tank filled with water. The boiler is no...
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Page 10 of 34 iii. Installing the boiler installation is to be performed by a qualified installer and shall comply with all the requirements of the authority having jurisdiction over the installation. A. Location of boiler the boiler must be located to comply with the clearance requirements. Keep th...
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Page 11 of 34 b. Chimney: a 4” stainless steel rain cap with spark arrestor must be purchased separately for installation and can be obtained from nature’s comfort. If installing extensions, use supports as directed by pipe manufacturer. It is recommended that the boiler be located with due consider...
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Page 12 of 34 d. Plumbing hook up plumbing connections should be well insulated after installation. Cover bottom access holes as well. Minimum pipe size permitted is 1”. Install the outgoing pex line on the pump flange that is already mounted to the lower end of the circulation pump. Install the ret...
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Page 13 of 34 use this example diagram if you have a typical, basic 4 wire system: use the example drawing below if you have a 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...
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Page 14 of 34 g. Adding bypass valves adding a bypass valve system (3 valves, 2 t’s and unions) at each heat exchanger is a good idea so that if there is a potential problem such as a stopped up heat exchanger, it can be diagnosed & serviced easily as well as being used for a summer bypass as explai...
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Page 15 of 34 slide the heat exchanger into the hole for a test fit. Ideally the header and tubes (f) should stick out of the plenum. While test fitting try to determine how much tape is needed around the frame of the heat exchanger to seal and keep air from flowing around it. A different amount (th...
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Page 16 of 34 slide the heat exchanger through the front hole to the back hole so it protrudes out the front and back of the plenum the same amount. Ideally the core of the heat exchanger will be entirely within the plenum. Crimp the sheet metal to the edge of the heat exchanger (item g) using chann...
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Page 17 of 34 as shown in the previous drawing, 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 syste...
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Page 19 of 34 l. Filling the boiler with water once all piping connections are complete, flush about 15 gallons of water into the float stack and drain, repeating until it comes out clean. Close drain valve and pour nature’s comfort boiler treatment in – required for warranty. Fill the boiler with a...
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Page 20 of 34 iii. Heating domestic water, pools and spa’s a. Sidearm or plate heat exchanger for domestic hot water for a sidearm heat exchanger, the hot line from boiler must first go to the top side port. This creates twice the domestic water flow through the sidearm as opposed to coming in at th...
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Page 21 of 34 b. Heating a pool or spa please contact a local pool/spa specialist if this boiler is to be used to heat a pool or spa. A stainless steel (or 90/10 copper/nickel alloy) tube & shell water-to-water heat exchanger must be used to transfer heat from the boiler to a pool or spa since the c...
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Page 22 of 34 iv. Operation a. Fuel requirements wood that is 20% moisture content or lower is required for the boiler to obtain the most efficient burn. Using unseasoned (“wet” or “green”) wood causes cooler burning temperatures and severely reduces efficiency. Only burn wood that has been cut, spl...
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Page 23 of 34 c. Loading wood caution! Doors, coals & ashes are hot! Wear safety glasses and use heavy gloves. Caution! Never open fuel door without first turning off the boiler at the rear switch or flame spillage may occur! Caution! Flammable gases fill the firebox when idling. Pause at blowback c...
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Page 24 of 34 v. Maintenance a. Cleaning wear heavy gloves and clothing and safety glasses as metal, coals and ashes will be hot. Moisture combined with ash will eat through a boiler in short order and ash corrosion is not covered under warranty. Ash must be completely cleaned out bi-weekly. Do this...
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Page 25 of 34 d. Rope seals caution! For inspection and adjustment, make sure to follow the same procedures for opening doors and covers as outlined for loading and cleaning. Inspection check the rope seals on all doors and covers periodically during the heating season or when cleaning ash from the ...
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Page 26 of 34 inspection & maintenance: loosen the bleeder screw once a week (less often as experience shows otherwise) to flush the bearings to maximize pump life, especially for system filled with poor quality water (high iron, hardness, total dissolved solids, etc). It is highly recommended that ...
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Page 27 of 34 4. Doors & covers: oil all door hinges and latches. Wet rope seals with wd-40. Re-seal caulk on all jambs. Coat entire threaded portion of all bolts for doors and covers with a never-seize product. 5. Plumbing: ensure fittings are tight at all locations. 6. Water jacket: over-fill so f...
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Page 28 of 34 trouble shooting problem cause solution boiler does not come up to temperature. Green or soft wood is being used, wind blowing under boiler use properly seasoned hard wood take one or two inches of hard board insulation and place under boiler between legs then add non-combustible space...
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Page 29 of 34 f. 20 year limited warranty nature's comfort llc, of shipshewana, in 46565 warrants material and labor on any defects in workmanship on the fire drum for a period of 20 years from the purchase date to the original owner only (see proration below) and on the water jacket for a period of...
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Page 30 of 34 customer warranty card please fill in the following information and keep for future reference. Name: ___________________________________ (first) (last) address: ___________________________________ (street) ___________________________________ (city) (state) (zip) phone: _________ ______...
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Page 31 of 34 warranty registration card - to be mailed in all fields must be filled out name: _________________________________________________________________ (first) (middle) (last) address: _________________________________________________________________ (street) _______________________________...
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Ncb built like a tank with laser precision page 32 of 34.
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Ncb built like a tank with laser precision page 33 of 34 nature’s comfort llc, 3790 n. Sr 5, shipshewana, in 46565 - phone: 877-251-7740 - fax: 866-222-8702 www.Naturescomfortllc.Com _____________________________________________________________________________________ initial/annual water test reque...
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Ncb built like a tank with laser precision page 34 of 34.