Nature's Comfort NCB-175 Installation And Operating Instructions Manual
Wood hot water open boilers (furnace)
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- Page 1 INSTALLATION AND OPERATING INSTRUCTIONS NATURE’S COMFORT WOOD HOT WATER OPEN BOILERS (FURNACE) NCB-175 NCB-250 NCB-325 Manufactured by Nature’s Comfort LLC. Lancaster Wisconsin http://www.naturescomfortllc.com BUILT LIKE A TANK WITH LASER PRECISION...
- Page 2 Installation and Operating Instructions INTRODUCTION Thank-you and congratulations on the purchase of your new Nature’s Comfort! With the purchase of this Nature’s Comfort, you can now appreciate the high degree of craftsmanship and reliability that are a result of every furnace being carefully hand-built. Your choice shows the recognition you have for high quality products.
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Page 3: Table Of Contents
Installation and Operating Instructions Table of Contents Page Page I. GENERAL INFORMATION A. Terminology............4 E. Safety Precautions........5 B. Specifications............4 F. 20 Year Limited Warranty.......6 C. Clearance to Combustibles......4 G. Warranty Card..........7 D. Furnace Dimension........4 II. Outdoor Boiler Best Burn Practices A. -
Page 4: General Information
D. Boiler Dimensions---. NCB-175 - 184,000 BTU and a 175-gallon water tank. 4000 sq ft.* 46 1/2" x 60" x 90" tall 1717 pounds NCB-250 - 263,000 BTU and a 250-gallon water tank. 5,500 sq ft.* 46 1/2"... - Page 5 Installation and Operating Instructions This boiler must be wired by a qualified electrician in accordance with the National Electrical Code. 1. Never use any type of petroleum product, petroleum based product, charcoal starter, lighter fluid, lantern fuel, kerosene or any other flammable accelerant to start the fire in the firebox of your boiler.
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Page 6: 20 Year Limited Warranty
Installation and Operating Instructions Nature’s Comfort does not warrant against freezing, over heating, any boiler that has been altered, pressurizing, or the use of inappropriate fuels and negligence. Transportation, installation or loss of fluids is not covered. It is the responsibility of the owner to follow proper maintenance procedures as outlined in this operator’s manual. -
Page 7: Warranty Card
Installation and Operating Instructions Warranty Card Please fill in the following information…recorded for future reference. Your Name: ____________________________________ (First) (Last) Your Address: ___________________________________ (Street) ___________________________________ (City) (State) (Zip) Your Phone: _________ ________________________ (Area Code) (Number) Serial Number: ___________________________ Date of Purchase: ___________________________ Date of Installation: ___________________________ Mail to: Nature’s Comfort, LLC... -
Page 8: Outdoor Boiler Best Burn Practices
Installation and Operating Instructions II. OUTDOOR BOILER BEST BURN PRACTICES. Read and follow all operating instructions. Fuel Used: You may burn any hardwood or softwood, as well as pallets that have been split up and coal but NEVER burn driftwood, painted, stained or pressure treated wood. Do not burn: trash, plastics, gasoline, rubber, naphtha, household garbage, material treated with petroleum products (particle board, railroad ties and pressure treated wood), leaves, paper products, and cardboard. -
Page 9: Heating The Home
Installation and Operating Instructions E. Wood Recommendations: You should only burn cordwood that has been seasoned for 12-18 months. Burning unseasoned wood is wasteful and inefficient. Non-dry, “green” wood uses much of the combustion energy to boil off the excess moisture. Ideally the wood should be split to aid in seasoning and should be around 25% moisture content by weight. -
Page 10: Heating Hot Water
Installation and Operating Instructions H. Heating Hot Water. The hot water from the outdoor boiler is circulated through a “water to water” heat exchanger which is connected to your existing hot water heater. The hot water from the boiler usually goes to your hot water heater and then on your furnace. -
Page 11: Pex Pipe Connections
Installation and Operating Instructions J. Pex Pipe Connections. The boiler shown is a single zone. All boilers come with another hookup for another building at no cost (not shown). Single zone setup with Pump not one pump included. 1. Blue Pex pipe return from house heat exchanger. -
Page 12: Location Of Furnace
Installation and Operating Instructions III. Installing your NCB. A. Location of Boiler. The outdoor boiler should be located at least 10 feet from your home, with the door facing away from the house, so that all fire danger is removed from your home. The boiler may be installed as much as 100 feet away and still heat your house and hot water. -
Page 13: Concrete Block Footing
Installation and Operating Instructions B. Concrete Block Footing. All you need is four concrete footing blocks 8” X 16” X 4” C. Plumbing and Electrical Hook Up. 1. Simply open the large rear door to gain access to the rear of the boiler, to make plumbing and electrical connections. -
Page 14: Water Lines And Their Functions
Installation and Operating Instructions D. Water Lines and Their Functions. 1. Run a 1” pex water supply line from nipple on bottom of the boiler to the water-to- water heat exchanger installed on the water heater. 2. Run a 1” pex water line from the water-to-water heat exchanger on hot water heater to the heater exchanger which is installed in the existing heating system. -
Page 15: Installation Of Pex Pipe
Installation and Operating Instructions F. Installation of Pex Pipe. Try to keep the Pex pipe underground as it enters the house. A 5” hole in concrete block is easily made for the I- Pex pipe. It should be sealed with a can of expanding foam. -
Page 16: Adding Shut Off Values
Installation and Operating Instructions I. Adding Shut-off Valves. Adding two shut-off valves on the return lines is done so that if there is a potential problem such as a stopped up heat exchanger or pump failure, it can be diagnosed easily by the owner, without the need for a service call. -
Page 17: Installing Heat Exchanger In Plenum
Installation and Operating Instructions WARNING! Metal edges are very sharp! Wear protective gloves and use caution! Slide the heat exchanger into the hole for a test fit. Ideally the tubes (D and E) should stick out of the plenum [see diagram on previous page]. The header and tubes (F) can stick out of the plenum as well, if necessary. - Page 18 Installation and Operating Instructions K. Installing a Heat Exchanger 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, usually 4 inches long (the width of the heat exchanger) as shown below.
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Page 19: Bleeding The Heat Exchanger
Installation and Operating Instructions L. Bleeding the Heat Exchanger. With the pump running (turn the thermostat up to 90 F so that the pump comes on), simply close the brass valve on the return line quickly, holding it for 3-4 seconds. Then open the valve. -
Page 20: Power
Installation and Operating Instructions Figure 3. Water Pump on Boiler Comes on with Furnace Fan. Built Like A Tank With Laser Precision Page of 29... -
Page 21: Running Wire To The House
Installation and Operating Instructions O. Connecting Power---Water Pump Runs Continuously. Figure 4. Water Pump Runs Continuously. P. Wiring Running to House. 12/2 or 12/3 with Ground runs from inside house. Black goes to 110V 15 Amp circuit breaker in house. White is common (to circuit breaker box - common connections). -
Page 22: Thermostat Wire Layout
Installation and Operating Instructions Q. Thermostat Wiring Layout. Built Like A Tank With Laser Precision Page of 29... -
Page 23: Water Line Layout In House
Installation and Operating Instructions R. Layout of Water Lines inside House. Side-arm unit for hot water. Heat exchanger in hot air Furnace. S. Summer Hot Water Bypass. This bypass permits you to use your boiler during the spring, summer and fall to heat your hot water when you may not need or want to heat your house. -
Page 24: Plate Heat Exchanger For Hot Water
Installation and Operating Instructions IV. Other Hook Ups---Heating Water, Pools, And Spa’s A. Plate Heat Exchanger for Water Heater. Use a mixing valve to control water temperature B. Hooking up a Pool or Spa. Please contract your local pool/spa contractor if this boiler is to be used to heat a pool or spa. -
Page 25: Heating A Pool Or Spa
Installation and Operating Instructions C. Connecting an Outdoor Boiler to an Existing Gas Boiler. Again, we need to use a heat exchanger to transfer heat from the outdoor boiler to another indoor boiler or hydronic system so that the two systems remain isolated from each other. The 2 systems are totally isolated from each other so that the existing hydronic system remains undisturbed and functions exactly as it did before. -
Page 26: Maintenance
Installation and Operating Instructions V. Maintenance. A. Clean Out Ash. Moisture combined with ash will eat through a boiler in short order and ash corrosion is NOT covered under warranty. With our grate and ash pan, you can remove the ashes while the fire is still burning. B. -
Page 27: Trouble Shooting
Installation and Operating Instructions VI. Trouble Shooting. A. Trouble-shooting poor water flow or little or no heat 1. Check to make sure that the boiler is full of water. Simply open the water supply valve until water flows out of the overflow tube. 2. -
Page 28: Difficult To Start Fire
Installation and Operating Instructions B. Difficult to Start a Fire. Not Enough Air: Make sure that fan is on or open the ash pan door (approx. 1 inch gap). Bad Kindling: Use small pieces of split kindling together with crumbled newspaper, and add larger pieces. -
Page 29: Mail In Warranty Card
Installation and Operating Instructions VIII Warranty Card. (to be mailed in ) Please fill out for your records Your Name: __________________________________________ (First) (middle) (Last) Address: __________________________________________ (Street) __________________________________________ (City) (State) (Zip) Phone Number: ___________ ________________ (Area code) (Number) Serial Number:___________________________ Date of Purchase:___________________________ Date of Installation:___________________________ Installed by Name:____________________________________________________...
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