Hearth and Home Technologies Tucson (8700) owner manual Troubleshooting

Page 41

HearthStone Quality Home Heating Products Inc

TUCSON Gas-Fired Direct-Vent

TROUBLESHOOTING

 

 

 

 

 

Symptom

Possible Cause

Corrective Action

 

8. Floating flames,

A. Potentially dangerous

A. Check the appliance input rate and reduce

 

lazy ill-defined,

incomplete combustion due

if necessary. The air intake/exhaust flow

 

quiet flames, which

to incorrect air to fuel ratio

system may be too restrictive or blocked (the

 

roll around,

(lack of combustion air or

rate at which the exhaust leaves [draft]

 

sometimes

excessive fuel delivery I.e.

determines the rate at which the combustion

 

completely off of

excessive gas pressure,

air is delivered). Poor draft results in

 

the port,

overrating of appliance).

insufficient air delivery or a restricted

 

sometimes with

 

exhaust. Correct air intake/exhaust flow

 

overly, yellow tips.

B. Incorrect air

system.

 

Possible sooting.

intake/exhaust flow system.

 

 

Usually

Causes may be:

B1. Clear ports.

 

accompanied by

 

B2. Clear obstructions.

 

the odor of

B1. Blocked burner.

B3. Clear obstructions.

 

aldehydes.

B2. Blocked primary air

 

 

 

B3. Blocked secondary air

C. If gas pressures are correct and the

 

 

inlets

flames stay the same, adjust the air shutter

 

 

 

for a proper burn.

 

9. Burner

A. Excessive primary air.

A. Adjust the air shutter for a proper burn.

 

flashback. Air-gas

 

 

 

mixture ignites

B. Burner input underrated.

B. Check input rate. Check input pressure

 

inside the burner

 

using a manometer. Confirm correct gas

 

near the orifice,

C. Valve leak if flashback

pressure at house meter or tank (call gas

 

usually creating a

occurs with burner valve in

company). Confirm burner orifice size.

 

roaring noise like a

off position.

 

 

blowtorch. The

 

C. Replace valve. If above corrections do not

 

problem is an

D. Improper gas pipe size.

eliminate flashback, replace burner.

 

imbalance of gas

 

 

 

flow velocity and

 

D. Correct plumbing.

 

burning speed

 

 

 

pattern.

 

 

 

 

 

 

 

10. Delayed

A. Incorrect air-to-fuel ratio.

A1. Adjust the air shutter for a proper burn.

 

ignition (makes a

 

 

 

sudden "whoosh"

A1. Primary air incorrect.

A2. Open ports to allow for proper travel of

 

noise as the burner

 

flames.

 

lights). This is a

A2. Burner ports plugged.

 

 

buildup of gas prior

 

B. Reposition logs to eliminate interference

 

to ignition. This is

B. Improper log placement.

with flame travel.

 

more prevalent with

 

 

 

propane (LP) fuel.

 

 

 

 

 

 

 

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Contents QUE Faire SI Vous Sentez UNE Odeur DE GAZ What to do if YOU Smell GASTucson Model #8700 What When Information SheetIntroduction Safety Information Fire Hazard Service CautionMust be Vented to Outside HOT SurfacesDo not Light Pilot or Main Burners by Hand Ceramic Fiber LOG Safety InformationElectrical Hazard Mobile Home Installations Specifications Cleaning Routine Maintenance and CareOWNER’S Information Daily OperationPilot Flame Pattern FIREBOX, PILOT, & Burner TubesReplace the Front Door Gasket AS Needed Class CleaningItems Required for Installation INSTALLER’S InformationCodes Packing ListHearth REQUIREMENT/FLOOR Protection Unpacking and InspectionMinimum Venting-Mantle Clearance To Clearance to CombustiblesSnorkel-Wall Clearance To Combustibles Acceptable Direct-Vent Termination Cap locations Venting Connection Venting InformationRestriction Plate Position Adjustment to Restriction PlateRestriction Plate Acceptable DIRECT-VENT Termination CAP Locations Venting Components ConfigurationApproved Venting System Components Chimney Liner SystemComponents For a Typical Snorkel Installation Clearances from the pipe to combustibles 90 0 Elbow Approved Venting Configuration for Horizontal TerminationCo-Linear & Chimney as Air Inlet Approved Configuration for Fireplace InstallationVenting KIT KIT #97-65001 Thermostat Placement Remote ControlThermostat Wiring Electrical ConnectionsWiring Instructions Wiring Diagram TucsonGAS Supply GAS Supply ConnectionsGAS Connections Installation of the LOG SET LOG PlacementLog Set Removal of LOG SETLighting the Unit for the First Time BREAK-IN ProcedureSmoke and Fumes Warning BREAK-IN WarningPilot Light Warning Initial AdjustmentsPrepare for Lighting Variable Output ControlLighting Instructions To Turn OFF GAS to Appliance AIR Shutter AdjustmentsBurner Flame Appearance Pilot AdjustmentCleaning › Warning do not Clean the Unit When IT’S HOT Maintenance CareFirebox Pilot & Burner FlamesCleaning the Glass › Warning Parts ListsTroubleshooting Troubleshooting Troubleshooting Limited FIVE-YEAR Warranty Limited Lifetime WarrantyLimited THREE-YEAR Warranty Limited ONE-YEAR WarrantyExclusions Qualifying for Warranty CoverageRemedy Warranty Registration

Tucson (8700) specifications

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