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Hearthstone Quality Home Heating Products, Inc. ®

Bristol DX Model 8762

Manual: 6400-40466

R: 1/4/2012

Bristol DX

(Model 8762)

GAS-FIRED DIRECT-VENT HEATER

Owner's Manual

Installation & Operating

Instructions

Read This Manual in Its Entirety

Operate And Maintain This Gas Heater

According To This Instruction Manual.

SAVE THESE INSTRUCTIONS!

WARNING: FOLLOW THE INFORMATION IN
THESE INSTRUCTIONS EXACTLY, IF NOT, A FIRE
OR EXPLOSION MAY RESULT CAUSING
PROPERTY DAMAGE, PERSONAL INJURY OR
LOSS OF LIFE.

WARNING: DO NOT STORE OR USE GASOLINE
OR ANY OTHER FLAMMABLE VAPORS AND
LIQUIDS NEAR THIS OR ANY OTHER GAS
APPLIANCE.

WHAT TO DO IF YOU SMELL GAS:

Do not try to light any appliance.
Do not touch electrical switches; do not use the phone

in your building.

Immediately call your gas supplier from a phone

outside the structure. Follow your gas supplier’s
instructions.

If you cannot reach your gas supplier, call the fire

department or 911.

A qualified installer, service agency, or gas supplier must
perform installation and service of this appliance. In the
Commonwealth of Massachusetts, all installation of gas
lines and gas fittings must be performed by a licensed gas
fitter or licensed plumber.

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.

AVERTISSEMENT: NE PAS ENTRESPOSER NI
UTILISER D’ESSENCE NI D’AUTRE VAPERURS
OU LIQUIDES INFLAMMABLES DANS LE
VOISINAGE DE CET APPRAREIL OU DE TOUT
AUTRE APPAREIL.

QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:

Ne pas tenter d’allumer d’appareil.
Ne touchez à aucun interrupteur. Ne pas vous servir

des téléphones se trouvant dans le batiment où vous
vous trouvez.

Appelez immédiatement votre fournisseur de gaz

depuis un voisin. Suivez les instructions du
fournisseur.

Si vous ne pouvez rejoindre le fournisseur de gaz,

appelez le service dos incendies.

L’installation et service doit être exécuté par un qualifié
installer, agence de service ou le fournisseur de gaz.

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Summary of Contents for Bristol DX 8762

Page 1: ... or 911 A qualified installer service agency or gas supplier must perform installation and service of this appliance In the Commonwealth of Massachusetts all installation of gas lines and gas fittings must be performed by a licensed gas fitter or licensed plumber AVERTISSEMENT ASSUREZ VOUS DE BIEN SUIVRE LES INSTRUCTIONS DONNÉ DANS CETTE NOTICE POUR RÉDUIRE AU MINIMUM LE RISQUE D INCENDIE OU POUR ...

Page 2: ...Intentionally Blank ...

Page 3: ...ry Keep your original receipt in 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 BRISTOL DX Retain this manual for future reference SERVICE REC...

Page 4: ...stibles 16 Hearth Requirement Floor Protection 16 VENTING INFORMATION 18 Venting Components 18 Minimum Venting Installation Instructions 22 ELECTRICAL SYSTEM INFORMATION 25 GAS SUPPLY CONNECTIONS 26 Gas Connections 27 LOG SET SCREEN PLACEMENT 28 Installation of the Log Set 28 Installation of the Optional Screens 29 Removal of Log Set 29 Completing the Installation 29 LIGHTING OPERATION 30 Lighting...

Page 5: ...functionality during power outages 6 Blower Assembly 7 Optional Screen Kit The Proflame GTMFS System Features 1 Thermostatic Remote Control a Six 6 flame levels adjustable via the remote b Split Burner control via remote c Six 6 blower speeds adjustable via the remote d Thermostatic mode to turn on off based upon room temperature e Smart thermostatic mode to modulate flame levels automatically as ...

Page 6: ...rom furniture draperies clothing and flammable material Vent Only to the Outside Never vent the gas heater to other rooms or buildings Service Caution If you believe your Bristol is not in any way performing properly immediately discontinue operation until the unit is inspected and approved by qualified service personnel Prior to servicing the unit turn the gas to the valve off and disconnect any ...

Page 7: ...OUND UNDER AND BEHIND THE UNIT ON A REGULAR BASIS TO PREVENT THE ACCUMULATION OF DUST AND LINT Ceramic Logs Burner If the decorative ceramic log or burner material supplied with the Bristol is damaged or parts are missing they must be replaced with the same or approved Hearthstone replacement parts These components affect the combustion quality and safety of the heater Do not replace ceramic logs ...

Page 8: ...roof lockout and low battery indicator It displays room temperature readout set temperature readout and function status The remote transmitter is powered by three 1 5 volt AAA batteries A Mode Key is provided to index between the features and a Thermostat Key is used to turn on off or index through thermostat functions Figure 2 Proflame Receiver Receiver The Receiver accepts commands via radio fre...

Page 9: ...alve and the flame to 6 different settings between high and low You can modulate the flame via the remote yourself or by setting the remote control to the Smart Thermostat modulation mode Smart mode means that as the room temperature approaches the limit set for shut down the valve will automatically gradually step down the flame height The reverse happens when the room cools the valve will automa...

Page 10: ...tched to CPI regardless of the position of the receiver switch Intermittent Pilot IPI Using the IPI mode is a more efficient use of fuel as the pilot only ignites when the thermostat calls for heat Figure 5 Pilot Mode Switch Remote Receiver The Receiver is normally powered by the Fan Control Module or by four 1 5V AA batteries during a power outage The Receiver switch can be set to three different...

Page 11: ...nction that sets either the Manual or Smart thermostatic control UP Down Arrow Key Adjusts the thermostat temperature range flame settings split flow and fan speed Mode Key Toggles through the component to be controlled split flow burner blower or auxiliary outlet The transmitter features a user friendly layout with a Blue LCD Screen for easier viewing See the instructions provided with the remote...

Page 12: ...e Street Room 1511 Boston MA 02202 www mass gov Figure 9 Model 8762 Dimensions Inches Specification NG LP INPUT RATING Btu hr 0 2000 ft 0 610 m 36 000 33 000 INPUT RATING Btu hr 2000 4500 ft 610 1370 m 35 000 30 000 MAXIMUM OUTPUT Btu hr 0 2000 ft 0 610 m 28 200 26 200 MINIMUM INPUT btu hr 0 2000 ft 0 610 m 16 000 10 000 ORIFICE SIZE DMS 0 2000 ft 0 610 m front rear 43 46 54 57 ORIFICE SIZE DMS 20...

Page 13: ...NDER WATER NE PAS SE SERVIR DE CET APPAREIL S IL A ÉTÉ PLONGÉ DANS L EAU COMPLÈTEMENT OU EN PARTIE APPELER UN TECHNICIEN QUALIFIÉ POUR INSPECTOR L APPAREIL ET REMPLACER TOUTE PARTIE DU SYSTÈME DE CONTRÔLE ET TOUTE COMMANDE QUI ONT ÉTÉ PLONGÉS DANS L LAU Items Required for Installation Approved venting External regulator for propane LP only LP conversion kit not included for propane only Piping whi...

Page 14: ... accessory boxes removed and set aside remove the 4 lag bolts and clips that fasten the unit to the pallet see figure 10 Take care not to mar or chip the stove s finish Have someone help lift the stove up and off the shipping stands and pallet taking care to avoid damaging components mounted under the stove Figure 10 Shipping Clip Detail Leg Leveler Screws If your hearth surface in uneven or is no...

Page 15: ... Slots 3 If installed remove the front screen by lifting it off the glass frame 4 Pull forward and disengage the spring clips securing the top of the glass frame See Figure 14 Tilt the top of the glass frame outward and lift it off the studs on the bottom set carefully aside Figure 13 Glass Spring Clip Detail 5 Lift glass frame off the lower mounting pins Figure 14 Lower Mounting Stud Spring Detai...

Page 16: ...pipe Ensure you consider the need for access to the gas control valve access door on the front of the unit as well as full access for periodic cleaning and servicing Also consider clearance for the blower assembly if present or planned in the future CAUTION THESE CLEARANCES REPRESENT MINIMUM DISTANCES IN ALL CASES WHICH THROUGH TESTING IN AN INDEPENDENT LABORATORY TO ANSI AND CSA STANDARDS WILL PR...

Page 17: ...thstone Quality Home Heating Products Inc Bristol DX Model 8762 17 The corner clearance for the Bristol 8762 is 11 measured from the edge of the top castings to the adjacent wall Figure 17 Corner Clearance ...

Page 18: ... Configurations WARNING IN HIGH WIND AREAS AND PARTICULARLY COLD CLIMATES IT MAY BE NECESSARY TO HEAT YOUR VENT SYSTEM WITH THE PILOT PRIOR TO IGNITION OF THE MAIN BURNER IN THESE INSTANCES IT IS RECOMMENDED THAT YOU LEAVE THE PILOT RUNNING FOR 5 MINUTES PRIOR TO IGNITING THE MAIN BURNER THIS WILL ALLOW FOR PROPER START UP AND IGNITION OF ALL PORTS ON THE BURNER There are two types of venting conf...

Page 19: ...chimneys The following installation requirements must be followed The termination must fall within the chart shown in Figure 24 In a masonry chimney a fireclay liner or listed steel liner must be present the entire length of the chimney The maximum vertical length of vent is 35 The liner must have an inside dimension or diameter 6 or greater Prefabricated chimneys must be UL103 or ULC S 629 listed...

Page 20: ...ositioned to maintain 2 minimum clearance at the top A 1 minimum clearance must be maintained to combustible materials around the other sides All horizontal terminations must also comply with the clearance specifications to adjacent structures outlined in Figures 18 and 20 Horizontal sections require a 1 4 rise every 12 of horizontal run NOTE For each 90 0 elbow after 2 remove 5 from the allowable...

Page 21: ...cm CAN We strongly recommend 12 inches particularly where strong winds prevail H Not to be installed within 15 feet 4 5m above a meter regulator assembly within 3 feet 91cm horizontally from the center line of the regulator I Clearance to service regulator vent 3 feet 91cm J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other appliance 12inches 30cm mi...

Page 22: ...h of the retaining straps extend through interior wall thimble Before attaching the vent termination to the outside of the house run a bead of non hardening mastic around its outside edges so as to make a seal between it and the wall The arrow on the end cap should point up Secure the cap to the wall with the appropriate screws 5 Place the thimble cover onto the 90º elbow Put the 9 pipe into the h...

Page 23: ...osition The restrictor plate is factory set in the fully opened position for shipping This ensures proper flames for a wide variety of vent configurations and efficiency The restrictor consists of a sliding plate just below the venting starter collar on the top rear of the firebox Depending on your vent configuration you may need to adjust the restrictor plate position to reduce draft Restrictor P...

Page 24: ...Hearthstone Quality Home Heating Products Inc Bristol DX Model 8762 24 Figure 24 Venting Termination Diagram ...

Page 25: ...NG ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION VERIFY PROPER OPERATION AFTER SERVICING ATTENTION AU MOMENT DE L ENTRETIEN DES COMMANDES ÉTIQUETEZ TOUS LES FILS AVANT LE DÉBRANCHEMENT DES ERREURS DE CÂBLAGE PEUVENT ENTRAÎUN FONCTIONNEMENT INADEQUATE ET DANGEREUX The proper location of wire connections is shown in the following figure Figure 25 Bristol 8762 Wiring Diagram ...

Page 26: ... LEAK TEST THE UNIT BEFORE IT IS APPROVED FOR USE CONSULT ALL CODES WARNING THE UNIT MUST BE INSTALLED AND CONNECTED IN ACCORDANCE WITH LOCAL CODES OR IN THE ABSENCE OF LOCAL CODES WITH THE MOST CURRENT EDITION OF THE NATIONAL FUEL GAS CODE ANSI Z223 1 NFPA 54 OR CAN CGA B149 INSTALLATION CODE NFPA Code and Hearthstone require the use of a dedicated sediment trap just upstream of the unit Damage t...

Page 27: ...onnected to the gas supply the supply line and manifold gas pressures 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 NG or LP Test by connecting a manometer to the supply line and adjusting the incoming pressure if necessary to meet the required supply line pressure as listed in specif...

Page 28: ...ed to rough or improper handling Exact positioning of the log set is required in order to obtain a pleasing flame pattern and efficient combustion Incorrect log placement may cause carbon build up excess thermal stress on the log set and stove parts reduced efficiency and high levels of carbon monoxide If the log set does not fit into the firebox exactly as outlined contact your dealer for assista...

Page 29: ...creen by its folded lip on top of each glass frame Removal of Log Set CAUTION THE LOG SET BURNER AND EMBERS RETAIN HEAT AND CAN BE VERY HOT ALLOW 2 TO 3 HOURS TO COOL AFTER PILOT LIGHT IS TURNED OFF FOR SAFE HANDLING To remove the log set follow the Installation of Log Set instructions in the reverse order Completing the Installation 1 Close the firebox reverse the firebox access procedure outline...

Page 30: ...d oils used in the manufacturing and assembly of the unit Open windows to vent the room if necessary The off gassing and fumes will subside after several hours of operation Odors and Impurities A heater of this type may produce odors during heater operation at any time due to impurities that may exist in the immediate area around the unit Sources of impurities can be cleaning solvents paint solven...

Page 31: ...ncomplete combustion low efficiency and a dirty burn There are two simple guidelines to aid in determining the correct flame pattern 1 If the flame just above the surface of the burner or at the base of the logs is completely blue the air shutter may be open too far 2 If the flame is dirty sooty or licks the top of the firebox the air shutter may be closed too far Some conditions cannot be correct...

Page 32: ...once installed and adjusted by qualified service personnel The unit is controlled via the ON REMOTE OFF switch on the Receiver or by the Remote Control With the Receiver switch set to REMOTE you have the option of setting the thermostat on the remote control to the desired room temperature and the unit will cycle on and off as required Or you can set the switch on the Receiver to ON and the burner...

Page 33: ...l 8762 33 To Turn off Gas and Shut Down the Appliance 1 Close the shut off in the gas supply to the valve 2 Set the thermostat to the OFF position or turn the ON OFF T STAT or ON REMOTE OFF switch to the OFF position 3 Switch the Pilot mode switch to IPI mode ...

Page 34: ...l per the instructions provided in the venting section of this manual Annually Clean Firebox Pilot Burner Assembly The firebox requires periodic cleaning to prevent the accumulation of dust lint and other debris To clean the firebox set the switch to the OFF position and turn off the gas supply to the valve When the unit is cool remove the front panel and glass see page 15 for Firebox Access instr...

Page 35: ...onize with the Remote Control 3 Install three AAA batteries in the Remote Control and push the ON button The Receiver will beep four times to indicate the Remote s command is accepted and is set to the particular code of that Remote The system is now initialized Professional Inspection Once a year have the unit and venting system inspected by qualified service personnel to ensure that they are cle...

Page 36: ...o avoid bending the frame or breaking the glass 7 Remove the existing gasket from each piece of glass by grasping one end and pulling firmly Clean off as much of the hanging fiber hairs as possible 8 Locate the three pieces of 1 x1 8 flat tape gasket Use the two shorter pieces for the side glass Peel the adhesive protecting paper away from one end Starting at the middle of the bottom edge of the g...

Page 37: ...op 7211 105 Fan Control Module 3160 105 Delayed Ignition Relief Gasket Rear 7211 103 GTMFS Wire Harness 3160 081 x 1 8 Gasket Tape 7211 102 DFC Wire Harness 3170 150 Platinum Bright Embers 7211 101 DFC Board 5240 139 Air Shutter Spring 7211 056 Gas Manifold 5240 136 Front Latch Spring 4500 2977 1 4 20 x 1 oval tip set screw 5701 927 4 Exhaust Collar 5701 926 6 5 8 Inlet Collar 5710 630 Front Glass...

Page 38: ...proper inlet pressure for the fuel gas in use B Check connections on the valve C Clean or replace the pilot assembly 3 Pilot burning no gas to one or both burners ON REMOTE OFF switch in the ON position A Switch Remote thermostat Receiver DFC Ignition Module split burner solenoid or wires defective B No power and batteries may be dead C Plugged burner orifice A Check wiring for proper connections ...

Page 39: ... rate at which the combustion air is delivered Poor draft results in insufficient air delivery or a restricted exhaust Correct air intake exhaust flow system B1 Clear ports B2 Clear obstructions B3 Clear obstructions C If gas pressures are correct and the flames stay the same adjust the air shutter s for a proper burn 9 Burner flashback Air gas mixture ignites inside the burner near the orifice us...

Page 40: ...Hearthstone Quality Home Heating Products Inc Bristol Model 8762 40 Rating Label ...

Page 41: ...estoves com or send a completed and signed Warranty Registration Form which is enclosed in the Gas Stove warranty packet to the following address Hearthstone Quality Home Heating Products Inc Warranty Department 317 Stafford Avenue Morrisville VT 05661 NOTE SENDING IN THE SIGNED WARRANTY REGISTRATION FORM IS NOT REQUIRED AS A CONDITION OF WARRANTY COVERAGE OR HEARTHSTONE S PERFORMANCE ...

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