HearthStone 8410 Owner'S Manual Download

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WFP-75 Model 8410

Manual: 6400-40481

R: 1 – 6/22/2012

WFP-75

(Model 8410)

Wood Fireplace

OWNER’S MANUAL

Installation And

Operating Instructions

Listed to standards

ULC-S610 and UL-127

Manufactured for: HearthStone Quality Home Heating Products, Inc.

317 Stafford Avenue, Morrisville VT 05661

PLEASE READ THIS ENTIRE OWNER’S MANUAL BEFORE YOU INSTALL

AND USE YOUR NEW WFP-75 FIREPLACE.

SAVE THIS OWNER’S MANUAL FOR FUTURE REFERENCE

CAUTION:

Do not attempt to modify or alter the construction of the fireplace or

its components. Any modification or alteration of construction may void the

warranty, listings and approvals of this system. In that case, HearthStone Quality

Home Heating Products, Inc. will not be responsible for damages. Install the

fireplace only as described in these instructions.

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, injuries, or damages

arising out of the use of information contained in any manual obtained from unauthorized

sources.

Summary of Contents for 8410

Page 1: ...the construction of the fireplace or its components Any modification or alteration of construction may void the warranty listings and approvals of this system In that case HearthStone Quality Home Heating Products Inc will not be responsible for damages Install the fireplace only as described in these instructions This manual is available for free download on the manufacturer s web site It is a co...

Page 2: ...Hearthstone Quality Home Heating Products Inc WFP 75 Model 8410 ...

Page 3: ...ting e g range hood 8 C Wet wood 8 D Dirty or blocked chimney 8 E Chimney not long enough 8 F Poor chimney draft 8 2 3 MAINTAINING YOUR WFP 75 9 2 3 1 Creosote Formation and need for removal 9 2 3 2 Chimney Maintenance 9 2 3 3 Fire Baffle Removal Prior to Cleaning the Chimney 9 2 3 4 Dealing with a Chimney Fire 10 2 3 5 Disposal of Ashes 10 2 3 6 Refractory Replacement 11 2 3 7 Glass Care Replacem...

Page 4: ...er EPA certification 32 2 7 Fresh Air Kit 34 2 7 1 Fresh Air Kit Installation 34 3 THE CHIMNEY 37 3 1 CHIMNEY INSTALLATION NOTES 37 3 2 CHIMNEY INSTALLATION INSTRUCTIONS 38 3 3 OFFSET CHIMNEY INSTALLATION 41 3 4 ANGLED WALL RADIATION SHIELD 45 3 5 CHIMNEY SUPPORT INSTALLATION 45 3 6 CHIMNEY CHASE AND MULTIPLE TERMINATIONS 46 3 7 INSTALLATION INSTRUCTIONS FOR MASONRY APPLICATION 47 4 OPTIONS 48 5 A...

Page 5: ... TO THE APPLIANCE ALWAYS OVERRIDES THE INFORMATION PUBLISHED IN ANY OTHER MEDIA OWNER S MANUAL CATALOGUES FLYERS MAGAZINES AND OR WEB SITES CAUTION NEVER USE GASOLINE GASOLINE TYPE LANTERN FUEL KEROSENE CHARCOAL LIGHTER FLUID OR SIMILAR LIQUIDS TO START OR FRESHEN UP A FIRE IN THIS FIREPLACE KEEP ALL SUCH LIQUIDS WELL AWAY FROM THE FIREPLACE AT ALL TIMES CAUTION KEEP COMBUSTIBLE MATERIALS AT LEAST...

Page 6: ...O NOT INSTALL THIS FIREPLACE IN A MOBILE HOME PLEASE NOTE THAT THE PICTURES SHOWN IN THIS MANUAL ARE GENERIC AND MAY NOT MATCH EXACTLY THE LOOK OF YOUR FIREPLACE REGISTER YOU WARRANTY ONLINE To receive full warranty coverage you will need to show evidence of the date you purchased your unit Keep your sales invoice We also recommend that you register your warranty online at http www hearthstonestov...

Page 7: ... intended for use with a gas log Failure to follow these instructions will void the certification and the warranty of the fireplace and may result in an unsafe installation This heating unit is a supplementary heat source An alternative heat source should be available in the home if needed The manufacturer cannot be responsible for additional heating costs associated with the use of an alternative...

Page 8: ...ESULT IN A SAFETY HAZARD AND CAN PERMANENTLY DAMAGE THE FIREPLACE AND CHIMNEY 2 2 2 The use of manufactured logs There are numerous types of manufactured logs sold on the market You must be very careful with this type of product Many brands of manufactured logs contain chemical additives DO NOT BURN ANY MANUFACTURED LOGS CONTAINING CHEMICAL ADDITIVES IF YOU DO YOU MAY OVERHEAT YOUR FIREPLACE THERE...

Page 9: ...RON TO ALLOW PROPER PRIMARY AIR FLOW 2 2 5 Maintaining the Fire Once the wood has been consumed or partially consumed and you have obtained a good bed of embers you should reload the unit In order to do so open the air control to its maximum for approximately 15 seconds prior to opening the fireplace door Then proceed by opening the door very slowly Open it 2 to 4 52 to 104 mm for 10 seconds befor...

Page 10: ...ere is no flue damper in the WFP 75 As is common with air tight stoves the combustion air control sets the flow of air entering the firebox This allows for a more precise control of the fire The combustion air control is located below the door on the right side The main source of air primary air entering the firebox can be diminished by moving the air combustion control from right to left The prim...

Page 11: ...rned using this method but the time will be substantially reduced Slow Combustion When the air combustion control is completely closed the fireplace is in a slow combustion phase If the fireplace is hot enough slow combustion will not stop the fire but there will be a noticeable change in the flame pattern The flames will be slow and may appear dirty if the wood is too wet moisture content of 20 a...

Page 12: ...terior chimney minimum height of 18 before any offset etc F Poor chimney draft With no fire there should be sufficient draft to exhaust cigarette smoke introduced under the baffle Chimneys installed against an outside wall without protection may generate back draft problems which will cause start up problems To prevent this open a nearby window roll up a piece of paper and light it Then hold it in...

Page 13: ...nt of creosote will depend on variables such as frequency of use and type of fire We recommend that you 1 Initially inspect the chimney system weekly From this you will learn how often it will be necessary to clean your chimney 2 Have your chimney cleaned by a qualified chimney sweep If you wish to clean it yourself we recommend using a stiff plastic or non metallic brush If a metal brush is used ...

Page 14: ...xplosion 6 Check outside to ensure that sparks and hot embers coming out of the chimney are not igniting the roof 7 Do not use the fireplace again until your chimney and fireplace have been inspected by a qualified chimney sweep or a Fire Department Inspector 2 3 5 Disposal of Ashes Do not attempt to clean the fireplace when the unit is hot Ashes should be placed in a metal container with a tight ...

Page 15: ...ide bricks E 5 Remove the rear bricks F 6 Remove the bottom brick G To install the new bricks follow the above steps in reverse 2 3 7 Glass Care Replacement The glass used in the WFP 75 is 5 mm thick of dimension 13 65 x 25 30 and tested to reach temperatures up to 1400º F If the glass breaks it must be replaced with one having the same specification Contact your HearthStone dealer to obtain a gen...

Page 16: ...nder normal operating conditions If the WFP 75 is operated continuously with the combustion air controls closed the glass will tend to get dirty unless the fuel firebox and glass are maintained at higher temperatures To clean the glass there are a number of specially designed cleaners Ask a hearth professional to recommend a suitable cleaner which is available in your area Regular household glass ...

Page 17: ...d taking into consid eration the location of the hot air ducts optional outside air kit and chimney If possible you should choose a location where the chimney will pass through the house without cut ting floor or roof rafters B Usually no additional floor support is needed for the fireplace The adequacy of the floor can be checked by first estimating the weight of the fireplace system Weights are ...

Page 18: ...east 18 40 cm in front of the hearth and at least 8 20 cm on each side of the door opening see figure 7 The joint between the hearth extension and the fireplace hearth needs to be made of non combustible material such as sheet metal not included as shown on figure 8 Figure 7 Figure 5 Installation on raised base Figure 6 Ceiling clearance requirements ...

Page 19: ...protection First by adding the R values of the proposed materials or if some K and thickness values are given by converting them to R values To calculate the R factor for a composite floor protection made of a combination of alternative materials simply add the R values of those materials If the result is equal to or larger than the required R value the combination is acceptable For R values of so...

Page 20: ...te the R value by elevating the unit from 4 above the floor see Figure 9 but the joint between the extension of the hearth and the fireplace must be protected by a non combustible material For example a sheet metal not included as illustrated in Figure 9 B Please note that a combustible floor protection of at least 18 long must be installed in front of the fireplace as illustrated in Figure 9 A Fi...

Page 21: ...the sides of the fireplace running from floor to ceiling see figure 14 Position the studs back from the front edge of the fireplace a space the thickness of the facing material so that the facing can be installed flush with the fireplace facing within limitations of figure 15 Frame headers between the vertical studs only as follows Place 2 3 or 2 4 headers only along the upper part of the front si...

Page 22: ...Hearthstone Quality Home Heating Products Inc WFP 75 Model 8410 18 Figure 11 Figure 12 ...

Page 23: ...Hearthstone Quality Home Heating Products Inc WFP 75 Model 8410 19 Figure 13 Figure 14 ...

Page 24: ...Hearthstone Quality Home Heating Products Inc WFP 75 Model 8410 20 Figure 16 Figure 15 ...

Page 25: ... combustible materials such as brick stone or ceramic tile may project in front of and onto the fireplace decorative frame Caution Materials must be installed so that the faceplate may be removed after the installation The faceplate is designed to overlap the material surrounding the fireplace If the material is thicker use a faceplate gauge for positioning and make sure that the faceplate can be ...

Page 26: ...Hearthstone Quality Home Heating Products Inc WFP 75 Model 8410 22 Figure 18 ...

Page 27: ...fferent shelf dimensions are listed in figure 17 in order to facilitate installation However the minimum height of the shelf is 58 If the depth of the shelf is not listed in the table add 52 to the depth of your shelf to obtain the safe positioning of your shelf For example for a 9 shelf the safe positioning would be 61 52 inches 9 inches Figure 19 Shelf Positioning Shelf Dimension Shelf Position ...

Page 28: ...Hearthstone Quality Home Heating Products Inc WFP 75 Model 8410 24 Figure 20 ...

Page 29: ... start temperature Have the wiring installed by a qualified electrician Connect the wires from the power outlet to the terminal block making sure that the white wire matches the white wire on the terminal Connect the black wire with the black wire of the terminal block The ground green or skinned wire must be attached to the fireplace metal frame Figure 21 ...

Page 30: ...Firmly push the facade to the fireplace to secure the bottom Figure 23 2 5 Facade and Door installation 2 5 1 Facade Package The facade package contains the following items Figure 22 1 Door assembly 2 Facade assembly 3 Wooden knob 4 Shoulder screw for door knob 5 3 32 Hex wrench for installing and adjusting the door hinges 6 5 32 Hex wrench for installing the knob on the door handle 7 2 self tappi...

Page 31: ...the facade frame into the metal frame of the fireplace There are no pre drilled pilot holes 3 If you are planning to install a non combustible facing material behind the facade plan the depth of this material before securing the screws Refer to section 2 4 3 2 5 4 Adjusting the blower door The blower door is held closed by a magnet on the right side of the facade To adjust the strength of the clos...

Page 32: ...ure 25 1 Use the hex wrench included in the facade package to loosen the screws on the upper hinge of the door Only loosen enought to make the hinge move slightly 2 Attach the door to the fireplace by sliding the hinges onto the hinge pins Make sure the hinges are fully connected so that there is contact between the hinges of the door and fireplace 3 Tighten the screws on the upper hinge of the do...

Page 33: ...pivot the other The door will tilt to one side or the other depending on the direction the hinge is pivoted For the door to be straight both hinges must be aligned along the same axis If the door hinges are misaligned it will tilt It is therefore recommended to align them Once the ideal position has been achieved lock the hinges in place by tightening the set screws Figure 27 2 5 6 Install the doo...

Page 34: ...gravity kit allows you to block the upper fireplace grille To do so follow the steps below 1 Remove the faceplate 2 Install the deflector as shown on figure 28 3 Put the faceplate back into place Use 8 single wall ducting to connect the grilles to the fireplace The safety rules for hot air ducting gravity kit installations are the following Minimum height 68 1 7 m Maximum length 10 3m see figure 3...

Page 35: ...hot air grilles can be installed in the same room as the fireplace or one or both of the grilles can be installed in adjacent or upper rooms Installing the ducts at different elevations will tend to exhaust more heat out of the higher grilles figure 31 Figure 30 Figure 31 ...

Page 36: ...t 8 Do not use tees or any other components than the ones specifically listed here 9 All ducts must extend upwards or horizontally Never route the ducting downwards 10 The hot air outlet grilles must be installed with the louvers pointing downwards in order to prevent overheating adjacent ceilings 11 Always install the two outlet grilles when using the hot air outlet kit and blocking the upper lou...

Page 37: ...he chosen location The ducting system can be installed either in an upper room or in a lower room 5 At that point the flexible pipe can be attached to any air distribution grille 6 Make the electrical connections to the PC Board as explained with the forced air kit owner s manual Since the forced air kit requires electricity make sure that the connections to the fan have been made according to the...

Page 38: ... condensation 2 The outside wall termination must not be installed more than 10 ft 3 m above the base of the fireplace 3 The fresh air must come from outside the house The air intake must not draw air from the attic from the basement from a crawl space or from a garage 4 The outside wall termination should be installed where it is not likely to be blocked by snow or exposed to extreme wind and awa...

Page 39: ...en side down and fasten the register to the wall with screws as shown see figure 35 Place the insulated pipe over the register tube and over the fireplace outside air connector see figure 36 At each end carefully pull back the insulation and plastic cover exposing the flexible pipe Attach the flexible pipe using pipe clamps For a better seal you may also use aluminum tape Wrap the tape around the ...

Page 40: ...ght side and two screws on the left side as in figure 37 to secure the plate 3 Select which air inlet you wish to use figure 38 you may use more than one and either remove the cover figure 39 side inlet or remove the knock out bottom and rear inlets 4 Install the adapter over the selected inlet with the 4 screws included figure 40 5 Secure a 3 insulated flexible conduit not included to the adapter...

Page 41: ...l help avoid the noise created when the fireplace expands This can be achieved by having the chimney supported by the supports The maximum chimney length that should be supported by the fireplace is 9 ft 2 75 m for 2 Solid Pack Chimney 12ft 3 7m for 1 Solid Pack Chimney and 26ft 8m for AC Triple Wall Chimney 6 The chimney must extend at least 3 ft 1 m above its point of contact with the roof and a...

Page 42: ...chor plate supplied by the chimney manufacturer before installing the first chimney length see figure 44 Continue installing chimney lengths making sure to lock each length in place 4 Every time the chimney passes through a ceiling or a wall install the appropriate firestop When you reach the desired height install the roof support Refer to instructions included with the support 5 Then put the roo...

Page 43: ...Hearthstone Quality Home Heating Products Inc WFP 75 Model 8410 39 Figure 44 EXAMPLE OF TYPICAL CHIMNEY INSTALLATION ...

Page 44: ... 75 Model 8410 40 Figure 45 Example of a combustible chase enclosure installation above the roof When you build a combustible chase enclosure for chimney sections above the roof refer to the chimney manufacturer for clearances to combustible materials ...

Page 45: ...ve the required offset Lock the chimney lengths together according to the chimney manufacturer s instructions In many cases it is recommended to use three 3 12 mm screws If the offset length is made of two 2 chimney lengths or more many chimney manufacturers may require that you use an offset or roof support halfway up the offset If penetrating a wall install a wall radiation shield supplied by th...

Page 46: ...Hearthstone Quality Home Heating Products Inc WFP 75 Model 8410 42 Figure 46 Figure 47 ...

Page 47: ...Tech 1 Solid Pack 6 15 cm Simpson Dura Vent Dura Plus HTC 2 Solid Pack 6 15 cm Simpson Dura Vent Dura Plus AC Triple Wall 6 15 cm ICC Excel 2100 1 Solid Pack 6 15 cm Metal Fab Temp Guard 1 Solid Pack 6 15 cm American Metal HSS AC Triple Wall 6 15 cm American Metal HS AC Triple Wall 6 15 cm Olympia Chimney Ventis 1 Solid Pack 6 15 cm FMI U S A only AC AC Triple Wall 6 15 cm This fireplace may be in...

Page 48: ... the S 2100 of 7 1 Solid Pack ASHT 2 Solid Pack S 2100 Simpson Dura Vent Ventilated roof flashing Rafter protector at the roof level chimney is enclosed at the attic level see section 4 1 Solid Pack Dura Tech ICC Ventilated roof flashing Rafter protector at the roof level if chimney is enclosed at the attic level see section 4 Excel 2100 American Metal Chimney cannot be enclosed at the attic level...

Page 49: ...rt the chimney 2 It may be used on a floor ceiling or roof above an offset to support the chimney above the offset 3 It may be used on a floor ceiling or roof as a supplementary support For roof support installation refer to the instructions provided with the support by the chimney manufacturer Many manufacturers will provide the maximum height of chimney that can be supported by the support Make ...

Page 50: ...ather than part of a building The termination must be placed a minimum of 18 460 mm above the chase For installations where more than one chimney is located in the same chase or within the same area we suggest that their terminations be separated by at least 16 410 mm horizontally and 18 460 mm vertically This separation is to prevent smoke migrating from one chimney to another see figure 50 Figur...

Page 51: ...st be used to connect the liner to the insulated chimney Verify availability and installation instructions for this connector with the chimney manufacturer Follow these steps 1 Position the fireplace in its location Temporarily install the elbow on the top of the fireplace and using a level mark with an oval the location where the flue liner will enter the masonry chimney 2 In the middle of the ov...

Page 52: ...onvection Air Kit 94 99100 Includes one deflector two 90 elbows and two outlet grilles and frames Forced Air Convection Kit 94 57100 Includes one blower one 5 flex adapter 3 pipe clamps and one control box with heat sensor and PC Board Fire Screen 94 69100 Includes one rigid spark screen ...

Page 53: ...es that a special type of wood be used and positioned inside the firebox in a manner that does not represent the way the firebox volume would normally be utilized using seasoned cordwood The EPA test load is typically much smaller Hence the BTU as per the EPA label is reduced The BTU output that should be considered by a normal user is the one we advertise for seasoned cordwood 5 2 CLEARANCES TO C...

Page 54: ...5 0 51 Hardibacker 500 2 3 0 44 Wonderboard 3 23 0 31 Cement mortar 5 00 0 2 Common brick 5 00 0 2 Face brick 9 00 0 11 Marble 14 3 20 00 0 07 Ceramic tile 12 5 0 008 Concrete 1 050 0 950 Mineral wool insulation 0 320 3 120 Limestone 6 5 0 153 Ceramic board Fibermax 0 450 2 2 Horizontal still air 1 8 0 135 0 920 Description Part No Rear bricks 3120 411 Left bricks 3120 412 Right bricks 3120 413 Bo...

Page 55: ...STALL AND USE ONLY IN ACCORDANCE WITH HEARTHSTONE INSTALLATION AND OPERATION INSTRUCTIONS L INSTALLATION ET L OPERATION DOIT SE FAIRE SELON LES INSTRUCTIONS D INSTALLATION ET D UTILISATION DE HEARTHSTONE 08 05 2012 666666 08 05 2012 666666 1 From door opening À partir de l ouverture de la porte 2 Subject to a maximum protrusion consult owner s manual Sujet à une saillie maximale consultez le manue...

Page 56: ...r are based on predetermined rate schedule and must not exceed the wholesale price of the replacement part All parts and labor costs covered by this warranty are limited according to the table below The manufacturer at its discretion may decide to repair or replace any part or unit after inspection and investigation of the defect The manufacturer may at its discretion fully discharge all obligatio...

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