HearthStone Green Mountain Insert 70 Owner'S Manual Download Page 1

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Green Mountain Insert 70 (Model 8450)

Manual: 6400-41414

R: 08/05/19

Green Mountain Insert 70

(Model 8450)

Wood Fireplace Insert

OWNER'S MANUAL

Installation And

Operating Instructions

SAVE THIS OWNER’S MANUAL FOR FUTURE REFERENCE

PLEASE READ THIS ENTIRE OWNER’S MANUAL BEFORE YOU INSTALL AND USE YOUR

NEW GREEN MOUNTAIN INSERT 70 WOOD FIRPLACE INSERT.

If this room heater is not properly installed, a house fire may result.

To reduce the risk of fire, follow the installation instructions.

Failure to follow these instructions can result in property damage, bodily injury, or even death.

Conforms to UL Std. 1482 & 737

Certified to ULC Std. S628

CONTACT LOCAL AUTHORITIES WITH

JURISDICTION (BUILDING

DEPARTMENT or FIRE OFFICIALS),

ABOUT PERMITS REQUIRED,

RESTRICTIONS AND INSTALLATION

INSPECTION IN YOUR AREA.

Safety tested according to ULC S628,

UL 737 and UL 1482 Standards

by an accredited laboratory

Summary of Contents for Green Mountain Insert 70

Page 1: ...NSERT If this room heater is not properly installed a house fire may result To reduce the risk of fire follow the installation instructions Failure to follow these instructions can result in property damage bodily injury or even death Conforms to UL Std 1482 737 Certified to ULC Std S628 CONTACT LOCAL AUTHORITIES WITH JURISDICTION BUILDING DEPARTMENT or FIRE OFFICIALS ABOUT PERMITS REQUIRED RESTRI...

Page 2: ...cognizing potential impacts to efficiency Proper draft is important to the efficient operation of your heater Refer to the Normal Operation section of this manual for information regarding adequate draft Both excessive and sub minimum draft can affect the efficiency of your wood heater Excessive draft can lead to over consumption of fuel lower overall heating capacity of the fireplace insert and p...

Page 3: ...T 14 OUTSIDE AIR SUPPLY 16 THE VENTING SYSTEM 18 GENERAL INFORMATION 18 CHIMNEY AND LINER INFORMATION 18 LINER CONNECTION 19 MINIMUM CHIMNEY CLEARANCES 20 CHIMNEY LOCATION 21 SUPPLY OF COMBUSTION AIR 22 OPERATION 23 CONTROLS AND FEATURES 23 BLOWER OPERATION 23 CHOOSING FIREWOOD 24 BUILDING A FIRE 25 BREAKING IN YOUR WOOD FIREPLACE INSERT 25 NORMAL OPERATION 26 OVER FIRE CAUTION 27 FIRE SCREEN 28 M...

Page 4: ... 211 code to protect combustible surfaces As a general rule keep furniture drapes curtains wood paper and other combustibles at least 36 inches 92 cm away from the fireplace insert Never install the fireplace insert in or near a storage location for gasoline kerosene charcoal lighter fluid or any other flammable liquids Install the fireplace insert in your central living area to allow heat to radi...

Page 5: ...uel Burning Appliances and the ANSI NFPA 70 National Electrical Code are to be followed in the absence of local code requirements This insert must be installed with a continuous chimney liner of 6 diameter extending from the insert to the top of the chimney The chimney liner must conform to the Class 3 requirements of CAN ULC S635 Standard for Lining Systems for Existing Masonry or Factory built C...

Page 6: ...ce insert s door is not sealing properly To tighten the seal adjust the door latch mechanism or change the door gasket Refer to page 29 At the End of Every Season Dismantle the chimney connector and clean it thoroughly Replace any pieces that show signs of rust or deterioration Inspect and if necessary clean your chimney Clean out the inside of the fireplace insert thoroughly Inspect all door gask...

Page 7: ... To 20 50 8 cm Emissions 1 54 g hr Burn Time HeatLife Up to 8 hrs Note The amount and weight of wood contained per cubic foot of firebox volume can vary from 10 to 25 lbs per cubic foot depending on type of wood moisture content packing density and other factors Fireplace insert Dimensions Height 25 3 4 65 4cm Width 33 1 2 85 1cm Depth 19 5 8 49 8cm Weight 513 lbs 233 kg Connector Size 6 152 mm di...

Page 8: ...elatively new construction can be heated with a properly sized and located wood insert Whole house zone heating works best when the insert is located in the part of the house where the family spends most of its time This is normally the main living area where the kitchen dining and living rooms are located By locating the insert in this area you will get the maximum benefit of the heat it produces...

Page 9: ...rd to the firebox so it can pull out far enough for inspection Take care when lifting and installing the insert to keep the label inside the firebox to avoid any damage Figure 2 Label Location Since the information given on the certification label attached to the appliance always overrides the information published in any other media it is important to refer to it to have a safe and compliant inst...

Page 10: ...sert as follows FLOOR PROTECTION Canada USA B 18 457 mm 1 16 406 mm 1 M 8 203 mm N A N N A 8 203 mm Figure 4 Hearth Requirements 1 From door opening The depth of the hearth extension in front of the insert is included in the calculation of the floor protector s dimensions The masonry hearth should be at least 5 127 mm higher than the combustible floor in front of it and a floor protection must ext...

Page 11: ...arge enough If the value D is positive an additional floor protection in front of the hearth extension at least equivalent to the result D must be added Maximum Extended Minimum Extended A Dimensions of the hearth extension Dimensions of the hearth extension B See the following sections See the following sections C 2 4 51 102 mm 0 0 mm D D B A C D B A C E 10 12 254 305 mm 14 356 mm Air Jacket Back...

Page 12: ...ick 9 00 0 11 Marble 14 3 20 00 0 07 0 05 Ceramic tile 12 5 0 008 Concrete 1 050 0 950 Mineral wool 0 320 3 120 insulation Limestone 6 5 0 153 Ceramic board Fibremax 0 450 2 2 Horizontal still air 1 8 0 135 0 920 Information as reported by manufacturers and other resources Horizontal still air can t be stacked to accumulate R values each layer must be separated with another non combustible materia...

Page 13: ... indicated It is very important to follow minimum clearances for chimney connectors to combustibles such as walls and ceilings when installing the fireplace insert near combustible surfaces The clearances shown in this section have been determined by test according to procedures set out in safety standards ULC S628 Canada UL1482 U S A and UL737 U S A When the insert is installed so that its surfac...

Page 14: ...3 With two or more people lift the insert and remove it from the pallet 4 Insert the leveling bolts There are 2 nuts welded to the outside of the firebox one in each of the lower rear corners Thread the included leveling bolts into the nuts 5 If installing the optional steel surround attach the surround brackets according to the instructions included with the steel surround before placing the inse...

Page 15: ...ound 2 back from the front of the insert 11 Install the blower switch plate on the front casting a Gently remove the blower switch assembly from the lower left corner of the insert It is very important not to disconnect the wires b Attach the blower switch plate to the lower rear left corner of the front casting using the two screws in the bosses 12 Install the front casting following the procedur...

Page 16: ... stone against the firebox wall d Install the rear stones inserting the top of each stone behind the retaining steel then standing the stone against the firebox wall SIZE QUANTITY 1 9 X 4 5 X 1 25 14 2 9 X 4 25 X 1 25 2 3 9 X 2 X 1 25 4 4 6 5 X 4 5 X 1 25 2 5 Spacer Channel 2 14 Inspect the installation a The door opens fully and seals shut b The air control moves left and right c The blower turns...

Page 17: ... remove the knock out that will be connected to the fresh air inlet Figure 9 Outside Air Inlet Figure 10 Outside Air Kit Detail Then install the fresh air kit adapter B using 4 screws C Secure the flexible pipe1 E to the adapter B using one of the adjustable pipe clamps D Secure the other end of the pipe to the outside wall termination F using the second adjustable pipe clamp D The outside wall te...

Page 18: ...ipe and the plate In Canada the CSA B365 Standard permits Roxul type wool to be stuffed around the liner as it passes through the throat area as an alternative to a sheet metal block off plate However this method is less efficient than using a plate Figure 11 Block Off Plate 1 Figure 12 Block Off Plate 2 SUITABLE CHIMNEYS Your wood insert will provide optimum efficiency and performance when connec...

Page 19: ...or Two options are possible Install the chimney liner starter adapter provided with the chimney liner Follow the chimney liner starter adapter manufacturer s instructions In order to connect the chimney liner starter adapter to the flue outlet install three brackets with the three screws all provided in the user manual on top of the insert Figure 14 Liner Connection The long end of the brackets mu...

Page 20: ...r offset adapter secure the three brackets provided in the user manual on top of the insert The long end of the brackets must be attached to the insert Then follow the instructions in the manual provided with the liner offset adapter kit Figure 16 Offset Adaptor MINIMUM CHIMNEY CLEARANCES The top of the chimney should be tall enough to be above the air turbulence caused when wind blows against the...

Page 21: ... 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 house the slight negative pressure low in the house will compete against the desired upward flow in the chimney There are two reasons why the chimney in the house at right will cold backdraft when it is cold outside and there...

Page 22: ...pressures on the house Contrary to commonly expressed concerns almost all tightly sealed new houses have enough natural leakage to provide a 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 house to become negative...

Page 23: ...ireplace insert To latch the door push the door tightly towards the firebox then continue to push the handle in and down until it latches shut Gently pull on the door handle to make sure it is properly latched PRIMARY AIR CONTROL The primary air control lever is located under the ash lip The primary air control allows you to regulate the amount of air entering the firebox Generally the more air al...

Page 24: ...AL COULD PRODUCE HIGH LEVELS OF CARBON DIOXIDE IN THE LIVING SPACE AT HIGH LEVELS CARBON DIOXIDE COULD RESULT IN PERSONAL INJURY OR DEATH The quality of your firewood directly affects heat output duration of burn and performance of your fireplace insert Softwoods generally burn hotter and faster while hardwoods burn longer and produce better coals Density and moisture content are two critical fact...

Page 25: ...and prevent the wood from drying As for stacking an old Vermonter said The spaces between the logs should be large enough for a mouse to get through but not for the cat that s chasing it CAUTION DO NOT STORE FIREWOOD WITHIN THE FIREPLACE INSERT S SPECIFIED CLEARANCES TO COMBUSTIBLE MATERIALS BUILDING A FIRE Once you understand the controls of your wood fireplace insert and have the appropriate fir...

Page 26: ...e should make the fireplace insert warm but not hot to the touch Visible steam or boiling moisture and hissing indicate the soapstone is too hot At most a few small chunks of wood should be added to the fire to reach safe break in temperatures 6 Once the fireplace insert is warm but not hot to the touch close the primary air control by pulling it fully to the right to allow the fire to die out com...

Page 27: ...rt OVER FIRE CAUTION Over firing means the fireplace insert is operating at temperatures above normal temperatures reached during High Burns outlined in the BURN RATE section Carefully avoid over firing as it will damage the fireplace insert Symptoms of chronic over firing can include warped components short burn times a roaring sound in the fireplace insert or chimney and discoloration of the fin...

Page 28: ...oled NEVER place ashes in wooden or plastic containers in trashcans with other trash or in paper or plastic bags no matter how long the fire has been out Coals within a bed of ashes can remain hot for several days once removed from the firebox FIRE SCREEN Optional Kit 94 69500 Install the optional fire screen Open the door Figure 25 Open Door Hold the fire screen by the two handles and bring it cl...

Page 29: ... you use a certified chimney sweep to perform this service Contact your dealer for the name of a certified chimney sweep in your area your dealer may be a certified sweep We recommend that before each heating season you have the entire system professionally inspected cleaned and repaired if necessary GASKETS Replace door gasket material every two to three seasons or whenever it becomes deteriorate...

Page 30: ...ss off the door and discard 6 Remove any remaining glass and old gasket material 7 Clean the screw holes and place a small amount of anti seize compound in each one 8 Install a new glass gasket in the glass gasket groove 9 Place the new glass onto the door a Place the glass with the glossy side facing out screen printed side in b Align the screen printed arch with the arch of the window opening 10...

Page 31: ...it is accessible Figure 30 Loosen Blower Assembly 4 Carefully remove the blower motor assembly from the fireplace insert Be sure to disconnect the electrical switch from the cast iron frame once removed being careful not to pull on the wires or terminals The switch plate is removed by way of two fasteners on the inside left of the iron frame as shown Figure 31 Remove Blower Assembly Figure 32 Remo...

Page 32: ...llation is the reverse of disassembly Make sure that the top edges of the stones are behind the retaining steel pieces Figure 34 Refractory Stone SIZE QUANTITY 1 9 X 4 5 X 1 25 14 2 9 X 4 25 X 1 25 2 3 9 X 2 X 1 25 4 4 6 5 X 4 5 X 1 25 2 5 Spacer Channel 2 INSTALLATION OF SECONDARY AIR TUBES AND BAFFLE 1 Starting with the rear tube lean and insert the right end of the secondary air tube into the r...

Page 33: ... tubes B can be replaced without removing the baffle board A REMOVAL INSTRUCTIONS For the purpose of inspecting the insert itself or the fireplace your insert may need to be removed To remove your insert follow these instructions 1 Remove the front casting assembly A 2 If necessary remove blower B 3 Remove the screws that secure the chimney liner to the fixation brackets C 4 Unscrew the leveling b...

Page 34: ...Hearthstone Quality Home Heating Products Inc Green Mountain Insert 70 Model 8450 34 Illustrated Parts List ...

Page 35: ... HINGE WITH PIN DOOR LOWER 1 10 3030 069 GLASS 21 25 C11 94 1 11 94 5950510 SURROUND LOWER PANEL 42 25 X 5 25 1 12 94 5950110 SURROUND STEEL 42 25 X 31 25 1 13 94 5950010 SURROUND EXTENSION 2 4 1 14 5021 060 GLASS CLIP 6 15 3120 021 GASKET GLASS CLIP 6 16 4500 2105 SCREW MACHINE 10 24 X 3 8 UND CUT FLAT PH 6 17 30094 HEX SCREW WASHER HEAD 1 4 20 X 3 4 F ZINC TYPE 10 18 30187 STAINLESS WASHER ID 17...

Page 36: ... ACCESS PANEL 2 52 30131 BLACK METAL SCREW 10 X 1 2 TYPE A PAN QUADREX 4 53 PL34052 LINER FIXATION BRACKET 3 54 SE65746 FAN ASSEMBLY 1 55 44092 3 POSITION ROCKER SWITCH 1 56 5450 015 SWITCH BRACKET 1 57 PL65629 JUNCTION BOX COVER 1 58 60013 POWER CORD 96 X 18 3 type SJT 1 59 PL65627 JUNCTION BOX 1 60 30413 SNAP BUSHING 1 61 PL65626 FAN WIRE GUIDE 1 62 30484 WING NUT 1 4 20 4 63 44028 CERAMIC THERM...

Page 37: ...omponents available online at www hearthstonestoves com PART DESCRIPTION 94 53500 OUTSIDE AIR KIT 94 69500 FIRE SCREEN INSERT 94 5950010 SURROUND EXTENSION 94 5950510 SURROUND LOWER PANEL 94 5950110 STEEL SURROUND 94 58500 GASKET KIT DOOR AND DOOR GLASS 94 58505 GLASS KIT GLASS AND GASKET 94 71500 HANDLE KIT FULL ASSEMBLY 94 73500 FRONT DOOR LATCH KIT 94 76500 BAFFLE KIT 94 57500 BLOWER KIT ...

Page 38: ...ablished there is the possibility the chimney is just too cold Again hot chimneys promote a stronger draft Other draft issues and guidelines are as follows 1 AN AIRTIGHT HOUSE a Inadequate infiltration air supply in a super insulated or especially well sealed home b Air starvation exacerbated by exhaust fans such as clothes dryers bathroom vent fans or cook stove exhaust fans 2 TALL TREES OR BUILD...

Page 39: ... Ash Build up Empty the ash pan more frequently Increase efficiency of burns and avoid using poor quality or green wood UNCONTROLL ED OR SHORT BURN Unsealed or Open Door Close the door tightly or replace the gaskets Air leakage around glass gasket replace gasket Excessive Draft Check the installation Operate at LOW BURN Install stovepipe damper Draft in excess of 0 1 wc should be corrected with a ...

Page 40: ...Hearthstone Quality Home Heating Products Inc Green Mountain Insert 70 Model 8450 40 Safety Label ...

Page 41: ...supply system 5 Year X X X Door handles and latches X X X Steel Components and Firebox X Burner and logs 3 Year X Burn Pot and Baffles 2 Year X X X Appliance Electrical and Gas Components X X Refractory Vermiculite Panels Baffles 1 Year X X X Enamel finish against peeling or fading X X X Accessories X X X Glass X Ash Grate X X X All components not listed elsewhere Any parts repaired or replaced du...

Page 42: ...e caused by direct exposure to water h Use of fuels other than those specified in the owner s manual I Installation or use of components not supplied with the appliance or any other components not expressly authorized and approved by HearthStone J Modifications of the appliance not expressly authorized and approved by HearthStone in writing K Interruptions or fluctuations of electrical power suppl...

Page 43: ...ance of any obligation under this document the Original Purchaser must within the applicable warranty time period contact their original HearthStone dealer or the current responsible local HearthStone dealer for instructions regarding the return of defective parts for repair the return of the appliance for repair or to schedule a Dealer service call The Original Purchaser should refer to the Deale...

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