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HearthStone 8491, Owner'S Manual

Introducing HearthStone 8491, a state-of-the-art heating appliance that brings warmth and ambiance to your home. Maximize your enjoyment by referring to the comprehensive Owner's Manual, available for free download at our website. Discover step-by-step instructions, maintenance tips, and valuable insights to ensure optimal performance of your HearthStone 8491.

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Hearthstone  

                                                                                                       Clydesdale Fireplace Insert Model 8491 

 

Page 3 of 35 

Table of Contents

 

I

NTRODUCTION

.......................................................................................................................................................... 4

 

C

ODES

...................................................................................................................................................................... 4

 

S

AFETY 

I

NFORMATION

............................................................................................................................................... 5

 

P

ERIODIC 

C

HECKLIST

................................................................................................................................................ 6

 

E

MERGENCY 

P

ROCEDURES

........................................................................................................................................ 6

 

S

PECIFICATIONS

........................................................................................................................................................ 7

 

I

NSTALLING 

Y

OUR 

W

OOD 

F

IREPLACE 

I

NSERT

............................................................................................................. 8

 

Unpacking ......................................................................................................................................................................8

 

Hearth Requirements & Floor Protection .......................................................................................................................9

 

Clearances to NFPA 211 Protected Surfaces ................................................................................................................9

 

Clearance to combustibles.............................................................................................................................................9

 

Installing the Insert .......................................................................................................................................................10

 

Installing the surround..................................................................................................................................................14

 

Removing & Reversing the Door..................................................................................................................................14

 

Removing the Ash Lip Cover & Façade .......................................................................................................................15

 

Blower Power Cord Routing.........................................................................................................................................16

 

V

ENTING 

C

OMPONENTS 

&

 

C

ONFIGURATION

.............................................................................................................. 17

 

Installing a Venting System..........................................................................................................................................17

 

Connecting Your Wood Fireplace Insert ......................................................................................................................17

 

Connecting to a Prefabricated Metal Chimney.............................................................................................................17

 

Connection to a Masonry Chimney ..............................................................................................................................18

 

O

PERATION

............................................................................................................................................................. 21

 

Controls & Features .....................................................................................................................................................21

 

Operating the Blower ...................................................................................................................................................21

 

Choosing Firewood ......................................................................................................................................................21

 

Hearthstone’s Thermo-Ceramic Baffle System ............................................................................................................22

 

Building a Fire ..............................................................................................................................................................22

 

Breaking in Your Wood Fireplace Insert.......................................................................................................................22

 

Operating Your Insert Efficiently ..................................................................................................................................23

 

Intermittent Operation ..................................................................................................................................................24

 

Building a Fire for Everyday Use..................................................................................................................................24

 

Disposal of Ashes ........................................................................................................................................................25

 

Over-Fire Caution.........................................................................................................................................................25

 

M

AINTENANCE

......................................................................................................................................................... 26

 

Creosote Formation and Need for Removal.................................................................................................................26

 

Gaskets........................................................................................................................................................................26

 

Glass............................................................................................................................................................................26

 

Cast Iron ......................................................................................................................................................................27

 

Blower System .............................................................................................................................................................28

 

T

ROUBLESHOOTING

................................................................................................................................................. 29

 

Basic Heating Issues....................................................................................................................................................29

 

Troubleshooting Guide.................................................................................................................................................30

 

R

EPLACEMENT 

P

ARTS 

&

 

O

PTIONAL 

A

CCESSORIES

................................................................................................... 31

 

S

AFETY 

L

ABEL

........................................................................................................................................................ 32

 

L

IMITED 

W

ARRANTIES

............................................................................................................................................. 33

 

Summary of Contents for 8491

Page 1: ...er s manual before you install and use your new Clydesdale wood burning fireplace insert 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 Contact Local Authorities Having Jurisdiction Building Department or Fire Officials About Permits Restricti...

Page 2: ...Hearthstone Clydesdale Fireplace Insert Model 8491 Page 2 of 35 ...

Page 3: ...Installing a Venting System 17 Connecting Your Wood Fireplace Insert 17 Connecting to a Prefabricated Metal Chimney 17 Connection to a Masonry Chimney 18 OPERATION 21 Controls Features 21 Operating the Blower 21 Choosing Firewood 21 Hearthstone s Thermo Ceramic Baffle System 22 Building a Fire 22 Breaking in Your Wood Fireplace Insert 22 Operating Your Insert Efficiently 23 Intermittent Operation ...

Page 4: ...gnated 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 drapes curtains wood paper and other combustibles far away from the Fireplace Insert Never install the Fireplace Insert in a location where gasol...

Page 5: ...ood Especially do not burn coal in this Fireplace Insert Never use gasoline type fuel kerosene charcoal lighter fluid or other liquid fuels or solid fire starters to start or invigorate the fire These fuels can possibly generate carbon monoxide which can sap the supply of oxygen Keep all such materials away from the Fireplace Insert Never use a log grate or other device to elevate the fire Do Not ...

Page 6: ...dly cracked refractory soapstone in the firebox Clean dust away from the ash lip assembly and grills Remove the Ash Lip Cover and inspect the blower assembly clean if necessary 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 p...

Page 7: ...d moisture 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 88 cm Height 23 12 58 72 cm Width 31 62 80 31 cm Depth 24 63 62 56 cm Front Door Size 22 wide x 11 5 high 55 88 x 29 21 cm Stovepipe Size 6 152 mm diameter Metal Chimney 6 152 mm inside diameter Mas...

Page 8: ...his unit in a fireplace you must attach the provided metal label 3300 625 to the fireplace prior to installing the insert see illustration on page 17 Ensure that the Fireplace Insert will have enough clearance to combustible materials in the vicinity These combustibles can include walls floor ceiling fireplace mantle and chimney decor You must carefully consider the clearances to all of these comb...

Page 9: ... is needed 2 If a K factor is given with a required thickness T in inches use this formula R value 1 K x T 3 If a C factor is given use the formula R value 1 C 1 According to Intertek Testing Services Inc 2 According to ASHRAE Handbook of Fundamentals 1977 To determine the R value of the proposed alternate floor protector 1 Use either the K factor or the C factor formula explained above to convert...

Page 10: ...lled Step Three Install the wooden knob onto the latch handle The knob bolt and washer are located in a plastic bag removed from the firebox in step one Place the washer onto the bolt and then push the bolt through the knob Turn the bolt onto the latch handle and tighten with a hex wrench Handle is shown installed correctly in photo 2 Photo 2 Door Handle Latch Detail Façade removed Step Four Measu...

Page 11: ...our holes on the collar over the four bolts Turn the nuts back onto the bolts and tighten them with the 7 16 wrench The insert can now be placed into the fireplace opening and the flue liner meeting UL 1777 can be attached Photo 3 Collar Mounting Detail Inside Firebox Photo 4 Air Shroud Installed default Photo 5 Collar in Default 30º Aft Position air shroud removed Photo 6 Collar in Forward 90º Po...

Page 12: ...dale into the fireplace opening Drop the flue liner meeting UL 1777 into the firebox through the flue collar opening Attach the flue liner or connector to the collar push the collar and flue liner up to the top of the firebox ensure the collar slips onto the four bolts and secure it by turning the nuts back onto the bolts and tighten with a 7 16 wrench Place the baffle secondary air assembly back ...

Page 13: ...ail Right Front Shown with Façade removed Stover lock nut installed Photo 9 Rear Leveling Bolt Detail With Stover lock nut installed accessed in Firebox Photo 10 Rear Leveling Bolt Rear View Step Eight Install the soapstone refractory pieces in the firebox see photos 11 through 13 The Clydesdale refractory stone set includes the following stones 9 ea 4 1 2 x 9 A 1 ea 4 1 2 X 4 1 2 B 2 ea 4 1 2 X 1...

Page 14: ...on the right side 5 Reattach the door catch on the opposite side of the front using the same screws Reattach the screws and door stop if present on the left where the catch was 6 Remove the two Phillips head screws where the hinges will go on the left side install them on the right side 7 Rotate both inner hinge sections 180 degrees and mount the lower hinge s inner section on the left side of the...

Page 15: ... photo 18 Photo 17 Ash Lip Cover Detail Photo 18 Ash Lip Cover Mounting Clip Detail 2 To remove the Façade first remove the top grill see photo 18 Photo 19 Top Grill 3 Lift the Façade up slightly and tilt it towards you so the mounting clips clear the lip on the stove body see photo 20 Carefully move the Façade away from the insert and set aside Photo 20 Façade Clip Detail rear view When ready rei...

Page 16: ...Photo 23 Ash Lip Assembly Fastener Detail 4 Use a Phillips head screwdriver to remove the screws securing the wire loops on the left and transfer everything to the right side ensuring you place the loops in the equivalent locations arrows A wire loop must be placed on the screw closest to the corner to ensure the cord does not rub on the blower housing Do not disconnect any wiring there is more th...

Page 17: ...S OF CHIMNEY LINER STANDARDS CAN ULC S635 OR CAN ULC S640 You can install the Clydesdale in masonry or zero clearance fireplaces Before installing the stove in a factory built fireplace the fireplace must have the following characteristics 1 Listed per UL 127 or ULC S610 2 Include a full height listed chimney liner meeting type HT requirements 2100 Fahrenheit per UL 1777 United States or ULC S635 ...

Page 18: ...s not too large Use a masonry chimney with an 8 x 8 203 mm x 203 mm tile size for best results An oversized flue will contribute to the accumulation of creosote Use the following checklist to ensure that your masonry chimney meets these minimum requirements Chimney wall construction Brick or modular block at least 4 102 mm thick A rubble or stone wall Flue liner Minimum ceramic flue liner thicknes...

Page 19: ...Hearthstone Clydesdale Fireplace Insert Model 8491 Page 19 of 35 Figure 6 Connecting to a chimney ...

Page 20: ...Hearthstone Clydesdale Fireplace Insert Model 8491 Page 20 of 35 Figure 7 The 2 10 3 Chimney Exit Clearance Rule Figure 8 Minimum Chimney Height Is 3 Even At the Ridge ...

Page 21: ...RY AIR CONTROL The control handle is located on the front top center of the ash lip under the ash lip cover see Figure 9 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 pull the handle as far out ...

Page 22: ...ry combustion area to promote low emissions and high efficiency combustion This material will not corrode rust dissolve or lose its strength however it is vulnerable to puncture or breakage due to rough handling Please Exercise Care When Loading Wood or Cleaning Your Insert To Not Damage the Thermo Ceramic Baffle Located directly above the air tubes in the top of the firebox this white sheet of ma...

Page 23: ... Insert is warm but not hot to the touch close the primary air control by pushing it in fully toward the firebox to allow the fire to die out completely 7 Let the Fireplace Insert return to room temperature Your first fire and first fire each season thereafter should be built and maintained as outlined above Your patience will be rewarded by a properly seasoned Fireplace Insert Note Because of the...

Page 24: ... burn rate at least once a day burns off accumulated creosote from within the insert and venting system Now in the morning after an extended low burn rate is a good time to create your daily high burn rate run it for about 20 minutes or so Not only does this hot fire promote a clean stove and chimney it also helps keep the glass cleaner for easy viewing of the fire within Once the fire is burning ...

Page 25: ...t or chimney and discoloration of the finish Over firing can be caused by excessive draft inappropriate fuel and operator error Correct an over fire situation as follows EXCESSIVE DRAFT Contact your dealer to have a draft reading taken INAPPROPRIATE FUEL Do not burn coal kiln dried lumber pellets wax logs plastics trash or anything other than natural cordwood OPERATOR ERROR Ensure all the gaskets ...

Page 26: ...tact your dealer for the name of a certified chimney sweep in your area your dealer may be a certified sweep We recommend that you have the entire system professionally inspected cleaned and repaired if necessary before each heating season Gaskets Depending on use replace gasket materials every two to three seasons If the door seal is leaking a new gasket will assure a tight seal and improved perf...

Page 27: ...rface 4 Apply penetrating oil to the screws Remove the screws to separate the glass retainer from the door 5 Carefully lift the damaged glass from the door casting and discard 6 Replace the screws 7 Install the door WARNING DO NOT USE SUBSTITUTE MATERIALS WHEN REPLACING THE GLASS OR ANY DOOR COMPONENTS USE ONLY AUTHORIZED HEARTHSTONE COMPONENTS Glass specifications 320mm x 583mm x 5mm 12 5 64 x 22...

Page 28: ...e Ash Lip Cover as described in the installation section of this manual Remove the Ash Lip Cover and carefully vacuum components Take care to avoid bending the fins on the blower fans Inspect all wiring and mounting hardware for damage or deterioration Photo 26 Blower System Ash Lip Cover Removed Photo 27 Blower Kit Major Components Kit 94 57910 1 Left Blower Fan Assembly 2 Right Blower Fan Assemb...

Page 29: ...interior of the house may be inadequate This phenomenon of air starvation within the building is exacerbated if exhaust fans such as clothes dryers bathroom vent fans or cook stove exhaust fans are in operation within the home TALL TREES OR BUILDINGS These obstructions when located in close proximity to the top of the chimney can cause chronic or occasional downdrafts When selecting a site for a n...

Page 30: ...Door Close the door tightly or replace the gaskets Primary Air Control not operating properly Ensure Primary Air control shutter is opening and closing when control lever is moved Note Shutter is not designed close completely Deteriorated Gasket Seals Reseal the Insert body with new gaskets where necessary Extra Long Chimney Shorten the chimney Install a damper restrictor in flue High Winds or Hil...

Page 31: ...ND LEFT 5491 011 SHROUD 2410 994 SURROUND RIGHT 5491 012 CLIP ASHLIP COVER 5491 013 HANDLE AIR CONTROL KITS 5491 014 WHEEL SPEED CONTROL 94 57910 BLOWER ASSEMBLY KIT 5491 015 BRACKET SPEED CONTROL 7000 130 GROMMET SILICONE 5491 027 BRACKET BLOWER RIGHT 7000 135 SLEEVE GROMMET 5491 030 BRACKET BLOWER LEFT 7200 601 CONTROL SPEED BLOWER 5491 035 SCREEN ASHLIP 7211 946 FAN BLOWER RT 5491 043 PLATE CON...

Page 32: ...Page 32 of 35 Safety Label ...

Page 33: ...r supply tubes against breakage cracking or burn through Glass against breakage due to thermal shock under normal use LIMITED FIVE YEAR WARRANTY Hearthstone warrants the following parts of the Woodstove against the following occurrences that result from defects in material and workmanship Refractory brick against breakage and deterioration not resulting from physical damage or over loading of the ...

Page 34: ...or a Dealer as the case may be THE WARRANTIES CONTAINED IN THIS DOCUMENT ARE EXCLUSIVE AND ARE GIVEN BY HEARTHSTONE AND ACCEPTED BY THE ORIGINAL PURCHASER IN LIEU OF ALL OTHER EXPRESS WARRANTIES AND ANY OBLIGATIONS LIABILITIES RIGHTS CLAIMS OR REMEDIES IN CONTRACT OR TORT WHETHER OR NOT ARISING FROM HEARTHSTONE S NEGLIGENCE ACTUAL OR IMPUTED ALL IMPLIED WARRANTIES INCLUDING THE WARRANTIES OF MERCH...

Page 35: ...hipping of Woodstove parts covered by any of the foregoing warranties to and from Hearthstone or an authorized 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 an authorized Dealer as the case may be Shipping cost for the Woodstove Within the first 1st year after the Purchase Date if the...

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