Hearth and Home Technologies Grand-XTS Troubleshooting, Standing Pilot Ignition System

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13 Troubleshooting

With proper installation, operation, and maintenance your gas appliance will provide years of trouble-free service. If you do experience a problem, this troubleshooting guide will assist a qualified service person in the diagnosis of a problem and the corrective action to be taken. This troubleshooting guide can only be used by a qualified service technician.

A. Standing Pilot Ignition System

Symptom

Possible Causes

Corrective Action

 

 

 

1. After repeated triggering

a. Defective ignitor.

Check the spark at the electrode and pilot. If no spark and electrode

of the red or black piezo

 

wire is properly connected, replace the ignitor.

ignitor button, the spark

 

 

b. Defective pilot or misaligned

Using match, light the pilot. If the pilot lights, turn off the pilot and

ignitor will not light the pilot.

 

electrode (spark at electrode).

trigger the red piezo ignitor button again. If the pilot lights, an im-

 

 

proper gas/air mixture caused the bad lighting and a longer purge

 

 

period is recommended. If the pilot will not light, ensure the gap

 

 

at the electrode and pilot is one-eighth (1/8) inch to have a strong

 

 

spark. If the gap is OK, replace the pilot.

 

 

 

 

c. No gas or low gas pressure.

Check the remote shut-off valves from the fireplace. Usually, there

 

 

is a valve near the gas main. There can be more than one (1) valve

 

 

between the fireplace and the main.

 

 

 

 

d. No LP in tank.

Check the LP (propane) tank. You may be out of fuel.

 

 

 

2. The pilot will not stay lit

a. Defective thermocouple.

Check that the pilot flame impinges on the thermocouple. Clean

after carefully following the

 

and/or adjust the pilot for maximum flame impingement.

lighting instructions.

 

Ensure that the thermocouple connection at the gas valve is fully

 

 

 

 

inserted and tight (hand tighten plus 1/4 turn).

 

 

Disconnect the thermocouple from the valve, place one millivolt

 

 

meter lead wire on the tip of the thermcouple and the other meter

 

 

lead wire on the thermocouple copper lead. Start the pilot and hold

 

 

the valve knob in. If the millivolt reading is less than 15mV, replace

 

 

the thermocouple.

 

 

 

 

b. Defective valve.

If the thermocouple is producing more than 15 millivolts, replace

 

 

faulty valve.

 

 

 

3. The pilot is burning,

a. ON/OFF switch or wires

Check the ON/OFF switch and wires for proper connections. Place

there is no burner flame,

defective.

the jumper wires across the terminals at the switch. If the burner

the valve knob is in the ON

 

comes on, replace the defective switch. If the switch is OK, place the

position, and the ON/OFF

 

jumper wires across the switch wires at the gas valve. If the burner

switch is in the ON position.

 

comes on, the wires are faulty or connections are bad.

 

 

 

 

b. Thermopile may not be gener-

If the pilot flame is not close enough physically to the thermopile,

 

ating sufficient millivoltage.

adjust the pilot flame.

 

 

Be sure the wire connections from the thermopile at the gas valve

 

 

terminals are tight and that the thermopile is fully inserted into the

 

 

pilot bracket.

 

 

Check the thermopile with a millivolt meter. Take the reading at

 

 

TH-TP&TP terminals of the gas valve. The meter should read 325

 

 

millivolts minimum, while holding the valve knob depressed in the

 

 

pilot position, with the pilot lit, and the ON/OFF switch in the OFF

 

 

position. Replace the faulty thermopile if the reading is below the

 

 

specified minimum.

 

 

With the pilot in the ON position, disconnect the thermopile leads

 

 

from the valve. Take a reading at the thermopile leads. The read-

 

 

ing should be 325 millivolts minimum. Replace the thermopile if the

 

 

reading is below the minimum.

 

 

 

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Heat & Glo • Supreme-XTS, Grand-XTS • 349-901 Rev. G • 9/08

 

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Contents Models Supreme-XTS Grand-XTS What to do if you smell gasCongratulations Homeowner Reference InformationTable of Contents Listing and Code Approvals Design and Installation Considerations Getting StartedTools and Supplies Needed Inspect Appliance and ComponentsFireplace Size Requirements Minimum Fireplace OpeningClearances Clearances to Mantels or other Combustibles above ApplianceTermination Locations Vent Termination Minimum ClearancesVent Information and Diagrams Vent Table KeyHorizontal Venting Measuring StandardsInstallation Preparation Venting Components Installing Vent Pipe and ApplianceConnecting Vent Pipe Placing, Securing and Leveling the Appliance Damper Flashing Kit Optional Installing Adaptor and Termination CapFactory Built Wood Burning Gas Pressures Gas InformationFuel Conversions Gas Connection High Altitude Installations Wiring the Appliance ON/OFF SwitchElectrical Information Appliance RequirementsJunction Box Installation Optional AccessoriesFAN Junction BOX Finishing Mantel ProjectionsAppliance Setup Clean the ApplianceAccessories Ember PlacementLog Set Assembly LOGS-SXT Positioning the LogsHeat & Glo Supreme-XTS, Grand-XTS 349-901 Rev. G 9/08 Heat & Glo Supreme-XTS, Grand-XTS 349-901 Rev. G 9/08 Log Set Assembly LOGS-GXT Heat & Glo Supreme-XTS, Grand-XTS 349-901 Rev. G 9/08 Heat & Glo Supreme-XTS, Grand-XTS 349-901 Rev. G 9/08 Glass Assembly Air Shutter SettingBefore operating this appliance have a qualified technician Operating InstructionsBefore Lighting Appliance Lighting Appliance Standing Pilot IgnitionAfter Appliance is Lit Initial Break-in ProcedureCheck Pilot Flame Appearance Frequently Asked Questions Issue SolutionsStanding Pilot Ignition System TroubleshootingSymptom Possible Causes Corrective Action Troubleshooting Symptom Possible Cause Corrective ActionMaintenance Tasks Maintaining and Servicing ApplianceInspect Maintenance Tasks Doors, SurroundsAppliance Dimension Diagram Reference MaterialsVent Kits Components Direct Vent Flex Liner KitsPart number list on following Log Set AssemblyService Parts SUPREME-XTS At DepotGRAND-XTS Service Parts LOGS-GXTStanding Pilot Valve Assembly StockedCONDITIONS, Exclusions & Limitation of Liability Limited Lifetime Warranty Contact Information

Supreme-XTS, Grand-XTS specifications

Hearth and Home Technologies (HHT) has consistently set the bar in the realm of modern heating solutions, and their Grand-XTS and Supreme-XTS models exemplify this commitment to innovation and quality. These sleek and stylish gas fireplaces are designed not only to provide warmth but also to enhance the aesthetic of any living space.

The Grand-XTS model features a stunning design that can be customized to fit various interior styles. With an expansive viewing area, it allows for an impressive flame presentation that creates a cozy ambiance. The inclusion of MaxHeat technology ensures optimal heat output, making it an efficient choice for heating larger areas without sacrificing style. This model is equipped with a powerful fan system that circulates warm air throughout the room quickly, enhancing the overall comfort of your living space.

Meanwhile, the Supreme-XTS takes luxury to the next level with additional modern features. Designed for elegance, it comes with a range of decorative options, including various media beds and reflective panels that amplify the fire's glow. The fireplace's Intellifire Ignition System offers a convenient and reliable startup, ensuring that users can enjoy their fireplace with minimal hassle. Furthermore, the Supreme-XTS integrates seamlessly with smart home systems, allowing for remote operation and personalized settings directly from your smartphone.

Both models offer customizable options, including adjustable flame heights and temperature settings. This versatility lets homeowners create their desired atmosphere, whether for a warm, welcoming gathering or a more intimate setting. The advanced safety features incorporated into both models, such as automatic shut-off systems and glass safety screens, provide peace of mind while allowing for an unparalleled heating experience.

The Grand-XTS and Supreme-XTS by Hearth and Home Technologies not only prioritize efficiency and safety but also cater to individual tastes with a selection of finishes and trim options. With their superior performance, elegant aesthetics, and advanced technology, these fireplaces stand out as a premier choice for those looking to enhance both comfort and visual appeal in their homes. Whether you choose the Grand-XTS for its expansive heat capabilities or the Supreme-XTS for its luxurious features, either model will transform your living space into a haven of warmth and style.
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