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HearthStone 

Quality Home Heating Products Inc 

®  

                                                                                                                                                                     Clydesdale Model 8490            

13 

Operating Your 

Clydesdale Wood 

Fireplace Insert 

 
¦  

WARNING: 

HOT WHILE IN OPERATION.  KEEP 
CHILDREN, CLOTHING AND FURNITURE 
AWAY.  CONTACT MAY CAUSE SKIN 
BURNS. 
 

Please read this entire chapter before lighting your first 
fire.  It explains the controls and features of your wood 
Fireplace Insert, how to choose firewood, and how to 
break-in your Fireplace Insert and use it on a daily basis. 
 

C

ONTROLS 

A

ND 

F

EATURES 

 

 

WARNING: 

ONLY OPERATE WITH DOOR FULLY 

OPEN OR CLOSED. IF DOORS ARE  LEFT PARTLY 
OPEN, GAS AND FLAME MAY BE DRAWN OUT OF 
THE OPENING, CREATING RISKS FROM BOTH 
FIRE AND SMOKE 
IF OPERATING WITH DOORS FULLY OPEN, YOU 
MUST USE THE ACCESSORY SCREEN AVAILIBLE 
THROUGH YOUR HEARTHSTONE DEALER 
If operating with the door open, some fuels may create 
carbon monoxide, which can be hazardous or fatal to your 
health. Do not burn anything but clean dry firewood 
 

FRONT DOOR

:  The front door allows you to load wood 

into your Fireplace Insert; a fixed handle allows you to 
operate the front door and allows you to latch the front 
door closed. The front door can be reversed to open from 
either side. To open the door, lift the handle to the 2 
o’clock (or  10 o’clock for RH mounted door) position 
and pull the door.  To latch the doors, push the door 
closed tightly then lower the handle to the 4 o’clock (8 
o’clock for RH mounted door) position.  Pull on the door 
handle to make sure it is properly latched. 

Reversing the door (Refer to Figure 9) 

To switch the door to open from the right, simply remove 
the ash lip assembly, and front facade. Remove the two 
Phillips head screws holding the door hinges on (A+B in 
Figure 9) 

(use caution, once the last screw is removed 

the door will be loose in your hands)

 Be careful not to 

lose the two hinge rivets.  Using a Phillips head 
screwdriver remove the door catch (C in Figure 9) (There 
may be spacer washer behind the catch to provide an 
adequate seal. Remove the two screws where the hinges 
will go on the left side. Rotate the door 180 degrees, and 

put the hinges in place.  Reattach the door catch on the 
opposite side of the front, using the same screws and 
spacer washers if necessary.  

 

Figure 9 Reversing the Door 

 

PRIMARY AIR CONTROL:

  The handle is located on the 

front bottom center of the Fireplace Insert.  The primary 
air control allows you to regulate the amount of air 
entering the firebox.  Generally, the more air allowed into 
the firebox, the faster and hotter the rate of burn; 
conversely, less air creates a slower burn.  To fully open 
the primary air intake, push the handle as far as it will go 
to the left toward the firebox; push the handle as far as it 
will go to the right, away from the firebox to close the 
primary air control. 
 

INSTALLING AND OPERATING THE BLOWER 

When using the optional blower, follow the instructions 
that are packaged with the blower, to install and operate. 
The power cord can be routed to the left or right of the 
insert, assuming that you follow the instructions provided. 

 

C

HOOSING 

F

IREWOOD

 

 
Your Clydesdale Wood Heater is designed to only burn 
firewood-also known as cordwood.  

 

 

¦  

CAUTION: 

DO NOT USE CHEMICALS OR FLAMMABLE 
FLUIDS SUCH AS GASOLINE, NAPHTHA, 
KEROSENE, CHARCOAL LIGHTER FLUID OR 
ENGINE OIL TO START A FIRE.  DO NOT USE 
CHARCOAL, PELLETS, COAL, ARTIFICIAL 
LOGS OR ANY OTHER MATERIALS AS FUEL; 
THEY ARE NOT SAFE.  DO NOT BURN 
GARBAGE. 

Summary of Contents for Clydesdale 8490

Page 1: ...T To reduce the risk of fire follow the installation instructions Failure to follow these instructions may result in property damage bodily injury or even death SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE Clydesdale Model 8490 6400 10446 August 26 2004 CONTACT LOCAL AUTHORITIES HAVING JURISDICTION BUILDING DEPARTMENT or FIRE OFFICIALS ABOUT PERMITS REQUIRED RESTRICTIONS AND INSTALLATION INSPECTIO...

Page 2: ...E INSERT 6 UNPACKING 6 INSTALLING YOUR FIREPLACE INSERT 6 HEARTH REQUIREMENTS AND FLOOR PROTECTION 6 Venting Components and Configuration 9 Connecting to a Prefabricated Metal Chimney 10 Connection To A Masonry Chimney 12 OPERATING YOUR CLYDESDALE WOOD FIREPLACE INSERT 13 CONTROLS AND FEATURES 13 CHOOSING FIREWOOD 13 BUILDING A FIRE 14 BREAKING IN YOUR WOOD FIREPLACE INSERT 14 MAINTENANCE 16 TROUB...

Page 3: ... as needed Use these instructions as well as national state and local building codes to install your Fireplace Insert Be sure to maintain the designated stovepipe and Fireplace Insert clearances to walls ceilings hearth and other combustible surfaces This will help reduce the risk of fire Failure to follow these instructions can result in property damage bodily injury and even death Keep furniture...

Page 4: ... these safety precautions q Never modify this Fireplace Insert in any way especially the primary air control system q Never burn kiln dried wood painted or treated wood solvents trash plywood colored or glossy paper artificial logs cardboard coal garbage or driftwood Especially do not burn coal in this Fireplace Insert q Never use gasoline type fuel kerosene charcoal lighter fluid or other liquid ...

Page 5: ...t material and replace if worn frayed cracked or extremely hard EMERGENCY PROCEDURES If you have a stovepipe or chimney fire follow these instructions 1 If the fire is too threatening leave the area and call the fire department immediately If not perform the next two steps 2 Close the primary air control 3 Keep the Fireplace Insert door closed WARNING DO NOT ATTEMPT TO PUT OUT A STOVEPIPE OR CHIMN...

Page 6: ...isture content packing density and other factors As a constant for comparison and test purposes we are assuming 20 lbs of seasoned hardwood per cubic foot of firebox volume Maximum Log Length 22 55 9 cm front door Height 22 5 57 2 cm Width 31 08 78 9 cm Depth 17 56 44 6 cm Front Door Size 22 wide x 11 5 high 55 9 x 29 2 cm Stovepipe Size 6 152 mm diameter Metal Chimney 6 152 mm inside diameter Mas...

Page 7: ...o combustible materials that would surround the insert These combustibles can include walls floor ceiling fireplace and chimney You must carefully consider the clearances to all of these combustibles before actually connecting your Fireplace Insert Read this chapter to obtain a sound understanding of how to properly install your Fireplace Insert National Fire Protection Agency Batterymarch Park Qu...

Page 8: ...ic wall or floor tile 1 1 4 0 01 Mineral wool insulation 2 1 3 12 Cement mortar 2 1 0 20 Horizontal still air 2 1 8 0 92 1 According to Intertek Testing Services Inc 2 According to ASHRAE Handbook of Fundamentals 1977 HearthStone s Thermo Ceramic Baffle System To enhance the combustion efficiency and reduce the emissions of the fire in your stove HearthStone QHHP Inc has developed an advanced THER...

Page 9: ...ion as illustrated in Figure 4 Secure them to the top panel using the fasteners provide in the zip lock bag proper placement of the screws is called out in Figure 4 2 Repeat steps 1 4 with the Left section 2 4 Lift the completely assembled surround close the front of the insert Locate the four bushings on the back of the surround These four bushings will slide into the receiving slots on the surro...

Page 10: ...o the flue collar and all venting connections To install the baffle reverse the order of removing the baffle Shelf tabs Baffle sleeves Figure 6 Baffle Placement VENTING COMPONENTS AND CONFIGURATION It is very important to follow minimum clearances for chimney connectors to combustibles such as walls and ceilings when installing the stove near non combustible surfaces Single wall connector is 24 MS...

Page 11: ... available 7 The means for removing the insert to clean the chimney flue 8 Have a permanent metal warning label provided with the Clydesdale see illustration to the below attached to the fireplace by riveting it to the outside wall stating that the fireplace must be restored to its original condition for safe use without the insert Remember you must adhere to all previously described floor protect...

Page 12: ...HearthStone Quality Home Heating Products Inc Clydesdale Model 8490 11 Figure 7 Connecting to a chimney ...

Page 13: ... q Brick or modular block at least 4 102 mm thick q A rubble or stone wall Flue liner q Minimum thickness of 5 8 16 mm q Installed with refractory mortar q At least 1 25 mm air space q An equivalent flue liner must be a listed chimney liner system meeting type HT requirements or other approved material Interior chimney requirements q At least 2 51 mm clearance to combustible structure q Fire stops...

Page 14: ...front facade Remove the two Phillips head screws holding the door hinges on A B in Figure 9 use caution once the last screw is removed the door will be loose in your hands Be careful not to lose the two hinge rivets Using a Phillips head screwdriver remove the door catch C in Figure 9 There may be spacer washer behind the catch to provide an adequate seal Remove the two screws where the hinges wil...

Page 15: ...ace Insert be broken in slowly Cast iron must be seasoned over firing a new Fireplace Insert may cause castings to crack or may damage other Fireplace Insert parts Moisture in the soapstone must be driven out slowly to minimize the shock to the stone of its first exposure to high firebox temperatures When you light your first fires the wood Fireplace Insert will emit some smoke and fumes This is n...

Page 16: ...t least once to minimize the stress of a hot fire on a cold Fireplace Insert before proceeding with normal operation We recommend one break in fire at the start of each heating season BUILDING A FIRE FOR EVERYDAY USE 1 Open the front door and place five or six double sheets of tightly twisted newspaper in the center of the firebox Arrange kindling in a crisscross pattern over the newspaper Kindlin...

Page 17: ...ter reloading with wood burn the Fireplace Insert with the primary air control fully open for 20 to 30 minutes This manner of operation ensures early engagement of the secondary combustion system which when engaged minimizes creosote buildup in the chimney The stovepipe connector and chimney should be inspected at least monthly during the heating season to determine if a creosote build up has occu...

Page 18: ...ble through your local dealer The door glass should be replaced immediately if broken Contact your local dealer for replacement glass which is accompanied with instructions and everything needed for the repair If you replace the glass yourself wear work gloves and safety glasses The procedure for glass and glass gasket replacement is as follows Refer to Figure 9 1 Remove the door by removing the t...

Page 19: ...l sealed the infiltration air supply to the interior of the house may be inadequate This phenomenon of air starvation within the building can be exacerbated if exhaust fans such as clothes dryers bathroom fans or cookstove exhaust fans are in operation within the home TALL TREES OR BUILDINGS These obstructions when located in proximity to the top of the chimney can cause chronic or occasional down...

Page 20: ... the Fireplace Insert at a higher burn rate Chimney Down draft Install a chimney cap Excessive Ash Build up Empty ashes more frequently UNCONTROLLED OR SHORT BURN Unsealed or Open Door Close the door tightly or replace the gaskets Deteriorated Cement Seals Reseal the Fireplace Insert with furnace cement Extra Long Chimney Shorten the chimney Oversized Chimney Reline the chimney to the proper diame...

Page 21: ...AIR PLENUM LEFT 5490 040 DOOR INNER FRAME 2410 965 SECONDARY AIR PLENUM RIGHT 5490 042 DOOR OUTER FRAME 2410 970 TOP 5490 045 LATCH 2410 975 FLUE COLLAR 5490 050 STONE CLIP REAR 2410 980 INNER SURROUND STRAIGHT 5490 055 STONE CLIP SIDE 2410 985 INNER SURROUND CORNER 5490 060 SECONDARY AIR CAP LEFT 2410 990 OUTER SURROUND STRAIGHT 5490 062 SECONDARY AIR CAP RIGHT 2410 995 OUTER SURROUND CORNER 5490...

Page 22: ...EA AND INSTALLATION TYPE OF FUEL Solid Wood Only CAUTION HOT WHILE IN OPERATION DO NOT TOUCH KEEP CHILDREN CLOTHING AND FURNITURE AWAY CONTACT MAY CAUSE SKIN BURNS SEE NAMEPLATE AND INSTRUCTIONS INSPECT AND CLEAN CHIMNEY AND CONNECTOR FREQUENTLY UNDER CERTAIN CONDITIONS OF USE CREOSOTE BUILDUP MAY OCCUR RAPIDLY When installed on a combustible floor non combustible floor protection with a R value o...

Page 23: ...gainst breakage and deterioration not resulting from physical damage or over loading of the Woodstove Firebox baffle the baffle above the secondary air tubes against breakage cracking or burn through Door handles and latch mechanisms against breakage This warranty expires on the fifth 5th anniversary of the Purchase Date LIMITED ONE YEAR WARRANTY HearthStone warrants the following parts of the Woo...

Page 24: ...RE GIVEN ONLY TO THE EXTENT REQUIRED BY FEDERAL OR STATE LAW EXCEPT AS OTHERWISE REQUIRED BY STATE LAW UPON THE EXPIRATION OF THE EXPRESS LIMITED WARRANTIES CONTAINED HEREIN NO IMPLIED WARRANTIES INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL APPLY TO THE SUBJECT WOODSTOVE SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO T...

Page 25: ...ts covered by any of the foregoing warranties to and from HearthStone or a Dealer as the case may be Thereafter the Original Purchaser is responsible for all shipping costs related to shipping Woodstove parts to and from HearthStone or a Dealer as the case may be Shipping cost for the Woodstove Within the first 1st year after the Purchase Date if the Original Purchaser is instructed to return the ...

Page 26: ...n most cases it will not be necessary to remove the baffle secondary air plenum includes the secondary air pipes from the firebox to complete the installation However in some installations where the clearances are tight it may be necessary to remove the baffle secondary air plenum Removing the baffle will allow you to connect the flue liner to the flue collar in a confined space To remove the baff...

Page 27: ...ags screws and mounting clips see photo 2 PHOTO 2 The removable baffle assembly inside the Clydesdale firebox Shown looking straight into the firebox through the front door DO NOT REMOVE from the firebox unless required see note in step one Loosen these socket head screws to allow baffle to come out of the firebox PHOTO 3 Side view of the ash lip showing phillips screw that must be loosened to rem...

Page 28: ...a phillips screwdriver This will allow you to lift the façade up and off the front of the firebox Façade Clips To switch the door to open from the right hand side remove the two phillips head screws holding the door hinges onto the stove see photo 6 NOTE Use caution when removing the last screw as the door will now be disconnected from the body and will be loose in your hand Make sure to retain th...

Page 29: ...ox will determine the location of the flue collar NOTE the collar is installed at the factory in the aft position To change it to the forward position follow the instructions in step five Proceed to the next step if the aft position is correct for your installation Reversable Flue Front Back This end up 3 8 Medium density gasket 2 Is there sufficient clearance above the unit to install the flue li...

Page 30: ...now be placed into the fireplace opening and the flue liner meeting UL 1777 can be attached Step Six Remove the baffle NOTE Before the baffle can be removed the 3 stone retaining clips one in the rear and one on each side must be removed from the firebox Remove the clips by removing the bolts that hold them to the firebox To remove the baffle secondary air plenum assembly first loosen the two sock...

Page 31: ... impact or force BE CAREFUL IN HANDLING TO APPLY PRESSURE TO THE TUBES AND CAST IRON ONLY a Place the baffle inside the stove with the ceramic board facing up and the stainless steel shelf tabs forward b Lift the baffle and slide the baffle sleeves on the rear of the baffle into the slots on the rear of the unit The slots on the baffle will drop back onto the threaded rods in the back of the fireb...

Page 32: ...ces in the firebox The Clydesdale refractory stone set includes the following stones QUANTITY SIZE I D IN ILLUSTRATION 9 4 1 2 x 9 1 _ 1 4 1 2 X 4 1 2 2 ______ 2 4 1 2 X 12 Angled Cut 3 ______ 2 4 1 2 x 11 1 4 Angled Cut 4 _ PHOTO 10 Firebox Leveling Bolts PHOTO 11 Installation of the stones on the floor 1 1 1 1 2 1 1 ...

Page 33: ...hree stones vertically against the back of the firebox PHOTO 13 Secure the rear stone with the rear stone retaining clip Slide retaining clip down onto bolt heads and tighten 1 1 1 PHOTO 14 Install the left and right side stones and secure with the shorter side stone retaining clips 3 4 ...

Page 34: ...bracket to the firebox Remove the two bolts on the top of the firebox indicated by the arrows below Place the bracket onto the top of stove and secure it by finger tightening the screws Position the assembled surround so that the bushing will drop behind the slots in the bracket shown below Position the surround as needed and then tighten the screws on the top of the unit Surround attaches here PH...

Page 35: ... for all other installation and operational requirements PHOTO 16 Looking down on the firebox top the surround bracket is fully pushed in toward the firebox Retaining bolts can be seen through access holes PHOTO 17 Side view of the ash lip showing phillips screw that must be tighten when ash lip is placed back on the unit ...

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