HearthStone Stowe DV 8321, Owner'S Manual & Installation Manual

Page 1: ...taller service agency or gas supplier must perform installation and service The Commonwealth of Massachusetts requires that a licensed gas fitter or licensed plumber install all gas lines and gas fittings AVERTISSEMENT ASSUREZ VOUS DE BIEN SUIVRE LES INSTRUCTIONS DONNÉ DANS CETTE NOTICE POUR RÉDUIRE AU MINIMUM LE RISQUE D INCENDIE OU POUR ÉVITER TOUT DOMMAGE MATÉERIEL TOUTE BLESSURE OU LA MORT Ne ...

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Page 3: ...a safe place as proof of purchase Serial Number Fuel type Natural Gas Liquid Propane Sold by Date of Purchase Address Phone E mail Website Installed by Date of Installation Address Phone E mail Website Gas Supplier Address Phone E mail Website Read this Owner s Manual before installing or operating your Stowe Retain this manual for future reference SERVICE RECORD Date Who Performed Work Work Perfo...

Page 4: ...nting Information 12 VENTING CONNECTION 12 VENTING COMPONENTS CONFIGURATION 13 STANDARD HORIZONTAL TERMINATION MINIMUM VENTING KIT 20 Electrical Connections 21 WIRING INSTRUCTIONS 21 WIRING DIAGRAM 22 Gas Supply Connections 23 GAS CONNECTIONS 23 GAS SUPPLY 23 GAS PRESSURE ADJUSTMENT 24 Log Placement 25 INSTALLING THE LOG SET 25 REMOVAL OF LOG SET 26 Initial Operation Preparation 27 Lighting Instru...

Page 5: ...ou set the variable output control when the optional thermostat has been installed and the On Off T stat switch is set to T stat the wall mounted thermostat will control the on off cycling of the unit At any time you can override the thermostat with the On Off T stat switch by setting it to ON or OFF The Unit can also be equipped with an optional blower fan kit which operates independently of the ...

Page 6: ...hree prong grounding plug for protection against shock hazard and must be plugged directly into a properly grounded three prong receptacle Do not cut or remove the grounding prong from the plug VENT TO THE OUTSIDE Never vent the gas heater to other rooms or buildings always vent outside This gas appliance must not be connected to a chimney flue serving a separate solid fuel burning appliance SERVI...

Page 7: ...empt to light the pilot or main burner by hand with a match or lighter If after repeated attempts the pilot light fails to light discontinue operation turn off the gas at the gas control valve and immediately contact qualified service personnel for assistance Certified for use by Board of State Examiners of Plumbers and Gasfitters 100 Cambridge Street Room 1511 Boston Massachusetts 02202 MOBILE HO...

Page 8: ...e Installation see page 5 Figure 1 Stowe 8321 Dimensions SPECIFICATION NG LP INPUT RATING Btu hr 0 2000 ft 26 000 26 000 INPUT RATING Btu hr 2000 4500 ft 25 500 25 500 ORIFICE SIZE DMS 0 2000 ft 40 53 ORIFICE SIZE DMS 2000 4500 ft 41 54 MANIFOLD PRESSURE LO SETTING in W c kpa 1 2 0 3 3 3 0 8 MANIFOLD PRESSURE HI SETTING in W c kpa 3 5 0 87 10 0 2 48 INLET PRESSURE LO in w c kpa 5 0 1 24 11 0 2 88 ...

Page 9: ...and the unit will cycle on and off as required By adjusting the variable output control located on the gas control valve the rate of heat output can be varied to meet the heating requirements of the season Choosing a low flame setting will result in longer burn cycles at a reduced output while choosing a high flame setting will result in a shorter hotter burn cycle Through trial and error the home...

Page 10: ...ut by the installer and adhered to the appliance at the same time of conversion Cet appareil est equipè pour des altitudes compries entre 0 et 2000 pieds 0 610 m seulement ITEMS REQUIRED FOR INSTALLATION External regulator for propane L P G only Piping which complies with local codes Pipe sealant approved for use with propane L P G resistant to sulfur compounds Manual shutoff valve Sediment trap s...

Page 11: ...hip the enamel when handling the front façade 4 Grasp the bottom of the façade lift it up slightly and out off the L brackets Lower the façade and move it away from the unit set aside 5 To remove the glass reach over the firebox and under the front grill With a flat screwdriver pry the retaining clips up There are two separate clips Be careful when you lift the last one as it will free the glass a...

Page 12: ... EXPOSED TO HEAT BY THIS PRODUCT THEREFORE AN ASSESSMENT MUST BE MADE BY THE INSTALLER TO PREVENT CONSEQUENTIAL DAMAGE OF WALLS AND FLOORING THE CORNER CLEARANCE FOR THE STOWE IS 2 TO BE MEASURED FROM THE EDGE OF THE TOP CASTINGS TO THE ADJACENT WALL Figure 5 Snorkel Mantle Clearance to Combustibles Figure 3 Minimum Venting Mantle Clearance to Combustibles Figure 6 Snorkel Wall Clearance to Combus...

Page 13: ...Hearthstone Quality Home Heating Products Inc Stowe Model 8321 Acceptable Direct Vent TERMINATION CAP LOCATIONS Figure 8 11 ...

Page 14: ...ctor Plate see instructions included with it It will attach from inside the firebox after removal of the brick patterned baffle The two screws required are included in the appliance Be sure you can see the screw head for future adjustments Note For minimum venting configurations discard the restriction plate see section Approved Vertical Termination Venting Configurations 3 Install the rest of the...

Page 15: ...drop the baffle on the pan burner Once the baffle is set aside check the restriction plate screw location There are eight locations that the restriction plate can be positioned Refer to Venting Configuration Figures 14 16 for recommended restriction plate positions Refer to Figure 11 for proper adjustment plate index location A in Figure 11 shows the locating screw that determines the position of ...

Page 16: ...EXCELDirect and Secure Vent components acceptable for installation along with the minimum venting kit available The venting system must be comprised of the appropriate venting components as specified APPROVED VENTING SYSTEM COMPONENTS 90 0 Elbow 45 0 Elbow 6 Straight 9 Straight Simpson only 12 Straight 24 Straight 36 Straight 48 Straight 11 14 5 8 Adjustable Pipe Length Horizontal Vent Cap Vertica...

Page 17: ... Installation APPROVED VERTICAL TERMINATION VENTING CONFIGURATIONS With No Elbows or 2 45º Offsets Figure 14 and 2 90º Elbows Figure 15 10 minimum system height with or without offsets 35 maximum system height 6 maximum offset refer to Figure 14 12 maximum offset refer to Figure 15 The termination must fall within the outline shown in Figures 14 15 Use the indicated restriction plate position The ...

Page 18: ...Hearthstone Quality Home Heating Products Inc Stowe Model 8321 Figure 14 Vertical Straight Pipe Terminations 16 ...

Page 19: ...Hearthstone Quality Home Heating Products Inc Stowe Model 8321 17 Figure 15 Vertical Terminations Using 2 90º Elbows ...

Page 20: ...he heater Use a vinyl siding standoff when installing against vinyl siding Horizontal sections require a rise every 12 of horizontal run NOTES 1 The vent must terminate within one of the regions outlined by the shaded area 2 For each 90º elbow after 2 remove 5 from horizontal run 3 For Canadian installations remove 4 from horizontal run 4 At minimum vertical rise maximum horizontal run 14 5 Use wi...

Page 21: ...el 8321 APPROVED CONFIGURATION FOR FIREPLACE INSTALLATION The termination must fall within the demarcation line shown in the illustration Use the indicated restriction plate position Restriction plate 5950 922 Figure 17 Co linear Chimney as an AIR INLET 19 ...

Page 22: ... Install the exterior portion of the thimble in similar fashion overlapping the 2 sections CAUTION FOR BUILDINGS WITH VINYL SIDING A VINYL SIDING STANDOFF MUST BE INSTALLED BETWEEN THE VENT CAP AND THE EXTERIOR WALL 6 Install the horizontal vent termination on the outside of the wall Make sure both of the retaining straps extend through interior wall thimble Before attaching the vent termination t...

Page 23: ...vent from the central heating system or a nearby drafty window Placement of the thermostat on an inside wall rather than an outside wall is preferable Do not place the thermostat directly behind or too close to the unit otherwise heat from the unit will immediately satisfy the thermostat and turn the unit off THERMOSTAT WIRING The thermostat should be connected to the Stowe using no more than 40 1...

Page 24: ...Hearthstone Quality Home Heating Products Inc Stowe Model 8321 WIRING DIAGRAM Figure 18 Wiring Diagram 22 ...

Page 25: ...ream of the unit Damage to the valve or other components due to the lack of a sediment trap are not covered by warranty GAS CONNECTIONS The gas supply connection is made to the Stowe s gas control valve just inside the left front leg of the unit using a 3 8 male NPT fitting The supply line should be diameter or appropriately sized to provide a sufficient gas supply to meet the maximum demand of th...

Page 26: ... must be tested The supply line pressure is tested to ensure it meets the minimum gas supply pressure as listed in the specifications for the type of fuel in use natural gas or LP Connect a manometer to the supply line and adjust the incoming pressure if necessary to meet the required supply line pressure as listed in specifications The manifold pressure tap on the gas control valve refer to Figur...

Page 27: ...d high levels of carbon monoxide If the log set does not set into the firebox exactly as outlined contact your dealer for assistance INSTALLING THE LOG SET Refer to the following images in this section for log set assembly 1 See page 9 for firebox access instructions 2 Pull off the glass frame by prying up the two metal clips on top of the firebox Once these are pulled up the frame can be pulled a...

Page 28: ...ing under cast brick panel in any way Locate and open the bag of Platinum Bright Embers Pull apart small pieces of the wool and sprinkle over the Charcoal Embers randomly This wool will glow once the unit is running 9 Replace the glass frame by sliding it down the face of the firebox and pushing the top back Slide the two clips back down to hold the frame in place REMOVAL OF LOG SET CAUTION THE LO...

Page 29: ...Such odors will dissipate However opening a window or otherwise providing additional ventilation to the area can alleviate the condition If any odor persists contact your dealer or an authorized service technician PILOT LIGHT WARNING The Stowe has a piezoelectric spark igniter the red push button located next to the gas control valve behind the valve access door which ignites the pilot light by me...

Page 30: ...nd for the flame pattern to stabilize Generally the more air open shutter in the mixture the bluer the flame Less air closed shutter results in a more yellow flame but too little air will result in incomplete combustion low efficiency and a dirty burn There are two simple guidelines to aid in determining the correct flame pattern 1 If the flame at the base of the logs is completely blue the air sh...

Page 31: ... The only way to turn the pilot off is to turn the gas control knob fully clockwise to the OFF position TO TURN OFF GAS TO APPLIANCE 1 Set the thermostat to the OFF position or turn the ON OFF T STAT switch to the OFF position 2 If shutting the unit off for the non heating season turn the gas control knob fully clockwise to the OFF position Do not force the knob to turn AIR SHUTTER ADJUSTMENTS The...

Page 32: ...rner flame is adjustable by means of the air shutter To determine if the burner flame needs adjustment it is necessary to view the flame pattern with the variable output control knob at its highest setting turn fully clockwise Allow the unit to operate for 10 minutes enabling the entire unit and log set to reach temperature and for the flame pattern to stabilize The flame pattern should be similar...

Page 33: ... for more than 1 2 minutes without the log set in place Turn the unit off by setting the thermostat to OFF and turning the gas control valve off Allow the unit to cool Check and clean any burner ports that are not burning or not burning properly Clean burner ports using a soft brush or vacuum cleaner If the pilot flame height needs adjustment it should be adjusted by qualified service personnel as...

Page 34: ...lips back down drawing the glass tight against the firebox GLASS CLEANING As fuel gas may contain some impurities it will be necessary to clean the inside of the glass occasionally Do not use abrasive cleaners Scratching the glass will weaken the integrity of the glass Do not clean the glass when hot Allow the glass to cool and apply a mild window cleaning fluid Special gas appliance window cleane...

Page 35: ... DOOR 7211 370 PILOT BURNER ASSEMBLY 5710 170 DOOR HINGE BRACKET 7211 390 3 WAY PILOT HOOD AND CLIP 5710 180 DOOR LATCH BRACKET 7211 430 PIEZO CERAMIC AND WIRE 5710 512 FIREBOX AIR PLENUM 7211 470 THERMOCOUPLE 5710 594 EXHAUST BAFFLE CLIP 7211 518 BOTTOM LEFT LOG 5710 596 BACK SHROUD 7211 519 BOTTOM RIGHT LOG 5710 598 BACK SHROUD EXTENSION 7211 520 TOP LEFT LOG 5950 922 RESTRICTION PLATE 7211 521 ...

Page 36: ...on If properly connected and no spark replace igniter E Clean or replace the pilot assembly 2 Pilot will not remain lit after carefully following lighting instructions A Low or too high gas pressure B Faulty connections C Defective thermocouple D Pilot dirty or plugged A Check for proper inlet pressure for the gas being used B Measure voltage between valve body and solder connection on the rear of...

Page 37: ...ean or replace Note do not use any metal cleaning device as this may damage the orifice 4 Pilot and burner come on but go out after some warm up A Inconsistent or insufficient flame on thermopile B Insufficient gas pressure C Excessive draft A Adjust pilot flame size and assure that the flame is aimed directly at the thermopile B Check line pressure to ensure that the correct inlet pressure is pre...

Page 38: ...tions B3 Clear obstructions C If gas pressures are correct and the flames stay the same adjust the air shutter for a proper burn 9 Burner flashback Air gas mixture ignites inside the burner near the orifice usually creating a roaring noise like a blowtorch The problem is an imbalance of gas flow velocity and burning speed pattern A Excessive primary air B Burner input underrated C Valve leak if fl...

Page 39: ...t 90 56912 kit 90 56914 are optional as well kit 93 57010 This appliance is only for use with the type of gas indicated on this rating plate and may be installed in an aftermarket permanently located manufactured mobile home where not prohibited by local codes See owner s manual for details This appliance is not convertible for use with other gases unless a certified kit is used If the vent air in...

Page 40: ...t from defects in material and workmanship Firebox and firebox baffle against breakage cracking or burn through Convective heat exchanger against breakage cracking or burn through Burners air shutters and orifices against breakage cracking or burn through TEK logs and embers against breakage cracking or burn through This warranty expires on the fifth 5 th anniversary of the Purchase Date LIMITED T...

Page 41: ... the Original Purchaser fails to comply with Hearthstone s or a Dealer s request to ship the part or the Stove to Hearthstone 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 W...

Page 42: ...e first ninety 90 days after the Purchase Date Hearthstone will pay for the shipping of stove 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 stove parts to and from Hearthstone or an authorized Dealer as the case may be Shipping cost for t...