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CW2500 Insert Installation and Operation Manual 

 

53 

 

2.  To  remove  the  secondary  air  tube, 

hold  it  with  a  pair  of  pliers  and 
follow the movement described. 

3.  Remove the secondary air tube and 

tilt  it  down  to  get  it  out  of  the 
combustion chamber.   

 

4.  To  install  the  tubes,  follow  the 

reverse order. 

 

Summary of Contents for CW2500

Page 1: ... Stove Builder International Inc 250 rue de Copenhague St Augustin de Desmaures Quebec Canada G3A 2H3 After sale service 418 908 8002 E mail tech sbi international com This manual is available for free download on the manufacturer s web site It is a copyrighted document Re sale is strictly prohibited The manufacturer may update this manual from time to time and cannot be responsible for problems i...

Page 2: ... Transfer or in Quebec by APC Association des Professionnels du Chauffage Congratulations on making a wise purchase If this insert is not properly installed combustible materials near it may overheat To reduce the risk of fire follow the installation instructions in this manual exactly Contact local building or fire officials about restrictions and installation inspection requirements in your area...

Page 3: ...be Burned 11 3 2 How to Prepare or Buy Good Firewood 11 3 2 1 What is Good Firewood 11 3 2 2 Tree Species 11 3 2 3 Log Length 12 3 2 4 Piece Size 12 3 2 5 How to Dry Firewood 13 3 2 6 Judging Firewood Moisture Content 14 3 3 Manufactured Logs 14 4 Operating Your Insert 15 4 1 Your First Fires 15 4 2 Lighting Fires 15 4 2 1 Conventional Fire Starting 15 4 2 2 The Top Down Fire 16 4 2 3 Two Parallel...

Page 4: ...nd Warnings 26 7 2 Regulations Covering Insert Installation 26 8 Clearances to Combustible Material 27 8 1 Location of the Certification Label 27 8 2 The Masonry Fireplace Throat Damper 27 8 3 Compliance of a Combustible Mantel Shelf 27 8 4 Positioning the Unit 28 8 5 Minimum Masonry Opening Clearances to Combustibles and Floor Protector 34 8 5 1 Reducing Wall and Ceiling Clearances Safely 36 8 5 ...

Page 5: ...ions 56 Appendix 4 Exploded Diagram and Parts List 57 CENTURY HEATING LIMITED WARRANTY 60 REGISTER YOUR WARRANTY ONLINE To receive full warranty coverage you will need to show evidence of the date you purchased your insert Keep your sales invoice We also recommend that you register your warranty online at http www century heating com en service support warranty registration Registering your warran...

Page 6: ...KEEP ALL SUCH LIQUIDS OR AEROSOLS WELL AWAY FROM THE INSERT WHILE IT IS IN USE DO NOT STORE FUEL WITHIN HEATER MINIMUM INSTALLATION CLEARANCES BURN ONLY SEASONED NATURAL FIREWOOD DO NOT BURN o GARBAGE OF ANY KIND o COAL OR CHARCOAL o TREATED PAINTED OR COATED WOOD o PLYWOOD OR PARTICLE BOARD o FINE PAPER COLORED PAPER OR CARDBOARD o SALT WATER DRIFTWOOD o MANUFACTURED LOGS CONTAINING WAX OR CHEMIC...

Page 7: ...terial Vermiculite Mobile home approved No Burn time and heating capacity may vary subject to location in home chimney draft chimney diameter locality heat loss factors climate fuels and other variables The EPA test fuel is dimensional Douglas fir pieces stapled together into cribs with air spaces between We also test using the same procedure except using split hardwood firewood to reflect real wo...

Page 8: ...CW2500 Insert Installation and Operation Manual 8 ...

Page 9: ...ting system by heating a particular space within a home such as a basement family room or an addition that lacks another heat source Although the insert may be able to heat the main living areas of your house to an adequate temperature we strongly recommend that you also have a conventional oil gas or electric heating system to provide backup heating Your success with zone heating will depend on s...

Page 10: ...y of your insert which is most of its weight is carbon steel Should it ever become necessary many years in the future almost the entire insert can be recycled into new products thus eliminating the need to mine new materials The paint coating on your insert is very thin Its VOC content Volatile Organic Compounds is very low VOCs can be responsible for smog so all the paint used during the manufact...

Page 11: ...spruce birch and poplar other low density species to burn and yet they can heat their homes successfully Homeowners with access to both hardwood and softwood fuel sometimes use both types for different purposes For example softer woods make good fuel for relatively mild weather in spring and fall because they light quickly and produce less heat Softwoods are not as dense as hardwoods so a given vo...

Page 12: ...ies more quickly when it is split Large unsplit rounds can take years to dry enough to burn Even when dried unsplit logs are difficult to ignite because they don t have the sharp edges where the flames first catch Logs as small as 3 75 mm should be split to encourage drying Wood should be split to a range of sizes from about 3 to 6 75 mm to 150 mm in cross section Having a range of sizes makes sta...

Page 13: ...ter in dry weather than in damp maritime climates drying happens faster in warm summer weather than in winter weather small pieces dry more quickly than large pieces split pieces dry more quickly than unsplit rounds softwoods take less time to dry than hardwoods softwoods like pine spruce and poplar aspen can be dry enough to burn after being stacked in the open for only the summer months hardwood...

Page 14: ... weight than wet wood split a piece and if the fresh face feels warm and dry it is dry enough to burn if it feels damp it is too wet burn a piece wet wood hisses and sizzles in the fire and dry wood does not You could buy a wood moisture meter to test your firewood 3 3 Manufactured Logs Do not burn manufactured logs made of wax impregnated sawdust or logs with any chemical additives Manufactured l...

Page 15: ... wood develops their own favorite way to light fires Whatever method you choose your goal should be to get a hot fire burning quickly A fire that starts fast produces less smoke and deposits less creosote in the chimney Here are three popular and effective ways to start wood fires 4 2 1 Conventional Fire Starting The conventional way to build a wood fire is to bunch up 5 to 10 sheets of plain news...

Page 16: ...aper between the logs Now place some fine kindling across the two logs and some larger kindling across those log cabin style Light the newspaper 4 2 4 Using Fire Starters Many people like to use commercial fire starters instead of newspaper Some of these starters are made of sawdust and wax and others are specialized flammable solid chemicals Follow the package directions for use Gel starter may b...

Page 17: ...ly cool but there is still some chimney draft to draw the ash dust into the insert and prevent it from coming into the room After ashes have been removed from the insert and placed in a tightly covered metal container they should be taken outside immediately The closed container of ashes should be placed on a non combustible floor or on the ground well away from all combustible materials pending f...

Page 18: ... insert This heat surge is welcome when the room temperature is a little lower than desirable but not welcome if the space is already warm Therefore allow each load of wood to burn down so that the space begins to cool off a little before loading Letting the space cool before loading is one of the secrets to clean burning and effective zone heating 4 3 5 Turning Down the Air Supply Once the firewo...

Page 19: ...of firewood and load them crisscross in the firebox The pieces should be only 3 to 4 in diameter After raking the coals you can lay two pieces parallel to each other corner to corner in the firebox and lay two more across them in the other direction Open the air control fully and only reduce the air after the wood is fully flaming This kind of fire is good for mild weather when you are around to t...

Page 20: ...olume FIREBOX VOLUME MAXIMUM BURN TIME 1 5 cubic feet 3 to 5 hours 1 5 c f to 2 0 c f 5 to 6 hours 2 0 c f to 2 5 c f 6 to 8 hours 2 5 c f to 3 0 c f 8 to 9 hours 3 0 c f 9 to 10 hours Long burn times are not necessarily an indication of efficient insert operation When you are home during the day and able to tend the fire it is preferable to build a smaller fire that might provide three or four ho...

Page 21: ...al and can be easily removed when the insert is cool by wiping with a damp cloth or paper towel and then drying Never try to clean the glass when the insert is hot In spring and fall when the insert is run at lower temperatures you may see some light brown stains forming especially at the lower corners of the glass This indicates that the fire has been smoky and some of the smoke has condensed on ...

Page 22: ... fibres under the gasket and into the silicone Close the door and do not use the insert for 24 hours 5 1 4 Replacing the Glass Gasket and or the Glass It is a good idea to replace the glass gasket when the door gasket is replaced The gasket is flat adhesive backed woven fibreglass Remove the glass retaining screws A and then the glass retainer frames B that hold the glass C to the door frame D Lif...

Page 23: ...d Chimney Liner Maintenance 5 2 1 Why Chimney Cleaning is Necessary Wood smoke can condense inside the chimney liner and chimney forming a combustible deposit called creosote If creosote is allowed to build up in the venting system it can ignite when a hot fire is burned in the insert and a very hot fire can progress to the top of the chimney Severe chimney fires can damage even the best chimneys ...

Page 24: ...don t have experience cleaning chimneys you might want to hire a professional chimney sweep to clean and inspect the system for the first time After having seen the cleaning process you can decide if it is a job you would like to take on The most common equipment used are fibreglass rods with threaded fittings and stiff plastic brushes The brush is forced up and down inside the chimney flue to scr...

Page 25: ...owner s manual must specifically prohibit the installation of a fireplace insert When in doubt check with the fireplace manufacturer The installation of the zero clearance fireplace MUST be thoroughly inspected by a qualified person to ensure that it still meets the manufacturer s specifications The chimney must be at least 1 25 mm larger in diameter than the stainless steel liner that will run fr...

Page 26: ...VE BRICKS OR MORTAR FROM THE EXISTING FIREPLACE WHEN INSTALLING THE INSERT 7 2 Regulations Covering Insert Installation When installed and operated as described in these instructions the CB2500 wood insert is suitable for use in residential installations The CB2500 wood insert is not intended for installation in a bedroom The construction of the masonry hearth must comply to NFPA 211 CAN CSA A405 ...

Page 27: ... information about your insert model serial number etc You can find the certification label on the side of the insert To access the certification label the faceplate may need to be removed Therefore we recommend that you note the insert s serial number on this manual since it will be needed to precisely identify the version of the appliance in the event you require replacement parts or technical a...

Page 28: ...ing calculation using the data in Table Data for floor protection calculation of this section D B A C If the value D is negative or zero you do not have to add more floor protection in front of the unit because the masonry fireplace hearth extension is large enough If the value D is positive you will need floor protection in front of the hearth extension at least equivalent to the result D Here is...

Page 29: ... in front of and level with the hearth extension of the masonry fireplace an R factor equal to or greater than 2 is required The use of an R value is convenient when more than one material is going to be used in the hearth extension to cover the combustible surface This is because R values are additive whereas K values are not There are two ways to calculate the R factor of the floor protection Fi...

Page 30: ...s 1 inch of Durock R 1 x 0 52 0 52 0 8 0 52 1 32 This R value is larger than the required 1 00 and is therefore acceptable In the case of a known K and thickness of alternative materials to be used in combination convert all K values to R by dividing the thickness of each material by its K value Add the R values of your proposed materials as shown in the previous example Example K value 0 75 Thick...

Page 31: ...ation level with the hearth extension of the masonry fireplace with R factor equal to or greater than 2 MINIMUM EXTENDED A B C D E AIR JACKET INCHES Dimension of the hearth extension CAN USA 22 0 D B A C 12 1 8 Flush with fireplace facing MILLIMETRES CAN USA 559 mm 0 mm D B A C 308 mm ...

Page 32: ...reported by manufacturers and other resources For a 1 8 thickness You cannot stack horizontal still air to accumulate R values you must separate each layer of horizontal still air with another non combustible material The insert can extend at most 5 1 8 130 mm in the room see illustrations below The insert can be moved back this much or to any position in between as long as the openings on each si...

Page 33: ...f the hearth extension CAN 18 USA 16 8 D B A C 5 3 4 Flush with fireplace facing MILLIMETRES CAN 457 mm USA 406 mm 203 mm D B A C 146 mm MINIMUM EXTENDED A B Note 1 C D E AIR JACKET INCHES Dimension of the hearth extension CAN 18 USA 16 2 7 8 D B A C 10 7 8 Back from fireplace facing 5 1 8 130 mm MILLIMETRES CAN 457 mm USA 406 mm 73 mm D B A C 276 mm A ...

Page 34: ...CW2500 Insert Installation and Operation Manual 34 8 5 Minimum Masonry Opening Clearances to Combustibles and Floor Protector ...

Page 35: ...eiling clearance 84 213 cm For a 12 305 mm shelf See Table SHELF POSITIONING Section 2 5 for other shelf dimensions Note 1 From door opening The depth of a non combustible shelf in from of the insert is included in the calculation of the floor protector s dimensions IMPORTANT The masonry hearth should be at least 8 inches 203 mm higher than the combustible floor in front of it If the hearth elevat...

Page 36: ...ted read and follow them carefully Note that there may be slight regional differences in the rules to reduce clearances check with your local building inspector or fire protection before starting 8 5 2 Shield construction rules See figures Clearances for wall and ceiling shield construction and Clearances for top surround side surround and shelf shield construction to match each letter to a cleara...

Page 37: ...CW2500 Insert Installation and Operation Manual 37 Clearances for wall and ceiling shield construction ...

Page 38: ...ind shield Min 1 in 25 mm Max 3 in 75 mm Clearance along the bottom of shield 3 in 75 mm Minimum clearance along the top of shield at ceiling 3 in 75 mm Minimum clearance from the ceiling shield edge to the side and rear wall 18 in 450 mm Exceeding the shield beyond the front of the insert MATERIALS Floor protection Combustible shelf Shield Combustible side surround Combustible top surround F I J ...

Page 39: ...CW2500 Insert Installation and Operation Manual 39 Clearances for top surround side surround and shelf shield construction ...

Page 40: ...mm Max 3 in 75 mm Clearance along the bottom of shield 3 in 75 mm Minimum clearance along the top of shield and the combustible top surround Minimum clearance between the rear edge of the shield to the masonry hearth 3 in 75 mm Minimum clearance from the top surround shield edge to the combustible side surround MATERIALS Floor protection Combustible shelf Shield Combustible side surround Combustib...

Page 41: ...CW2500 Insert Installation and Operation Manual 41 ...

Page 42: ...CW2500 Insert Installation and Operation Manual 42 The shield must be flush with the front of the shelf the combustible top surround and the combustible side surround ...

Page 43: ... equivalent non combustible material on non combustible board spaced out at least 25 mm 1 in by non combustible spacers 50 18 in 33 24 in Ceramic tiles or equivalent non combustible material on non combustible board with a minimum of 24 gauge 0 61 mm sheet metal backing spaced out at least 25 mm 1 in by non combustible spacers 67 12 in 50 24 in Brick spaced out at least 25 mm 1 in by non combustib...

Page 44: ...dimension cut the pipe hole slightly larger than the liner s diameter and then install the liner through this hole Set the Block off plate in place and secure with masonry nails into mortar joints Finally seal the joints between the plate and the wall with high temperature silicone and then use stove furnace cement to seal between the pipe and the hole In Canada CSA B365 Standard permits the use o...

Page 45: ...acturer s instructions including instructions for extension above the masonry Use Listed Chimney Liners UL 1777 ULC S635 and CAN ULC S640 In order to connect the insert to the liner refer to Section 9 5 Chimney liner installation ATTENTION INSTALLER When positioning the unit in a fireplace opening prior to the flue installation install the insert into the opening until the top lip of air jacket is...

Page 46: ... outlet 4 If your masonry opening has just the minimum dimensions required it is possible that you lack the space required to properly attach the elbow to the insert s flue outlet In this case it is possible to use our AC02006 adapter sold separately This adapter will allow you to access the liner through the insert s combustion chamber the insert s baffle will need to be removed prior to that The...

Page 47: ...m air in the house is buoyant so it tends to rise This tendency of warm air to rise creates a slight pressure difference in the house Called stack effect it produces a slightly negative pressure low in the house relative to outside and a slightly positive pressure zone high in the house If there is no fire burning in a heater connected to a chimney that is shorter than the warm space inside the ho...

Page 48: ... affected by wind pressures on the house Contrary to commonly expressed concerns almost all tightly sealed new houses have enough natural leakage to provide the small amount of air needed by the insert The only case in which the wood insert may not have adequate access to combustion air is if the operation of a powerful exhaust device such as a kitchen range exhaust causes the pressure in the hous...

Page 49: ...d side down on a flat soft non abrasive surface and follow the installation instructions below Hardware bag content 8 10 24 x 1 2 bolts 2 Corner bracket and screws 8 Trim retainer 8 10 24 hex nuts Line up the holes of the upper faceplate panel A with the holes of the side panels B and C Secure them together using four 4 bolts D and nuts E provided see DETAIL A Partially thread the screws F on the ...

Page 50: ... the corners of the angled side of each trim and then tighten the screws F to secure the trims Align the trim assembly L with the left and right edge of the faceplate and slowly slide it down over the faceplate Secure the trim to the faceplate by squeezing the eight trim retainers M between the inner edge of the trim and the front of the faceplate As in the image on the left ...

Page 51: ... faceplate is assembled align the notches located at the top of each side of the faceplate opening with the top of the insert and slide the assembly toward the front of the insert see DETAIL A Then install one faceplate retainer spring on each side of the faceplate and attach the other end of the spring to the holes in the slanted part on the left and right sides of the of the convection air jacke...

Page 52: ... Installation of Secondary Air Tubes and Baffle PIÈCES AMOVIBLES A Secondary air tube x3 B C cast baffle x2 C Baffle insulation x1 D Baffle insulation weight x1 TUBES 1 Remove from the firebox the hatched bricks 3 and left bricks retainer as shown in the diagram ...

Page 53: ...anual 53 2 To remove the secondary air tube hold it with a pair of pliers and follow the movement described 3 Remove the secondary air tube and tilt it down to get it out of the combustion chamber 4 To install the tubes follow the reverse order ...

Page 54: ...he vermiculite first board a on its supports Make sure the insulation board b located around the flue collar inside the firebox is pushed upward so that the baffle a rests well on the back of the firebox 8 Insert the second baffle taking care to add the insulation and the wool weight Install the baffle on the brackets in the firebox Place the wool over the joint between the two baffle panels b a ...

Page 55: ...s and brick bracket removed in Step 1 Note that secondary air tubes A can be replaced without removing the baffle board B Important Notes The air tubes are identified for placement as follows Model Type of tube CW2500 insert Front 42 holes of 0 141 Middle front 42 holes of 0 141 Rear 42 holes of 0 141 ...

Page 56: ...lf or the fireplace your insert may need to be removed To remove your insert follow these instructions Remove faceplate A by pulling it towards you Remove the blower assembly B Remove the three screws securing the pipe connector Unscrew the levelling bolts located on each side of the insert Move the insert to perform maintenance ...

Page 57: ...CW2500 Insert Installation and Operation Manual 57 Appendix 4 Exploded Diagram and Parts List ...

Page 58: ...1 9 PL55106 GLASS RETAINER FRAME 2 10 30124 SCREW 8 32 X 5 16 TRUSS QUADREX ZINC 7 11 SE63119 AIR CONTROL DAMPER 1 12 30428 BUSHING 2 13 30094 HEX SCREW WASHER HEAD 1 4 20 X 3 4 F ZINC TYPE 2 14 PL63043 AIR CONTROL COVER 1 15 AC07863 1 4 CHROME PLATED LONG COIL HANDLE 1 16 44085 RHEOSTAT KNOB 1 17 SE63133 BLOWER ASSEMBLY CW2500 1 18 44087 RHEOSTAT NUT 1 19 44080 RHEOSTAT WITH NUT 1 20 60013 POWER ...

Page 59: ...EX WASHER 8 38 21409 TOP INSULATION 7 1 4 X 21 3 8 X 1 2 1 39 PL66812 TOP SUPPORT 1 40 21408 TOP REAR INSULATION 6 3 8 X 10 11 16 X 1 2 R 2 7 8 2 41 AC04001 LARGE FACEPLATE 32 X 50 1 41 AC04000 REGULAR FACEPLATE 29 X 44 1 42 SE15097 FACEPLATE HARDWARE KIT 1 43 SE45793 CW2500 INSTRUCTION MANUAL KIT 1 44 AC05963 METALLIC BLACK STOVE PAINT 85G AEROSOL 1 ...

Page 60: ...n of the defect The manufacturer may at its discretion fully discharge all obligations with respect to this warranty by refunding the wholesale price of any warranted but defective parts The manufacturer shall in no event be responsible for any uncommon indirect consequential damages of any nature which are in excess of the original purchase price of the product A one time replacement limit applie...

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