Heat & Glo LifeStyle MTL-INSERT owner manual 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.

 

 

 

Heat & Glo • MTL-Insert • 2145-900 Rev. D • 3/08

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Contents HOT Surfaces Model MTL-InsertWhat to do if you smell gas Xxxxxxxx Homeowner Reference InformationTable of Contents Listing and Code Approvals Getting Started Design and Installation ConsiderationsTools and Supplies Needed Inspect Appliance and ComponentsMinimum Fireplace Opening Fireplace Size RequirementsClearances to Mantels or other Combustibles above Appliance ClearancesVent Termination Minimum Clearances Termination LocationsVent Table Key Vent Information and DiagramsHorizontal Venting Measuring StandardsInstallation Preparation Venting Components Installing Vent Pipe and ApplianceConnecting Vent Pipe Placing, Securing and Leveling the Appliance Factory Built Wood Burning Installing Termination CapDamper Flashing Kit Optional Class a PipeGas Pressures Gas InformationFuel Conversions Gas Connection Check for GAS Leaks High Altitude InstallationsON/OFF Switch Wiring the ApplianceElectrical Information Appliance RequirementsOptional Accessories Optional Junction Box InstallationVariable Speed Control Junction BOX BLK Mantel Projections FinishingClean the Appliance Appliance SetupAccessories Ember PlacementPositioning the Logs Log Set Assembly LOGS-SXTHeat & Glo MTL-Insert 2145-900 Rev. D 3/08 Heat & Glo MTL-Insert 2145-900 Rev. D 3/08 Air Shutter Setting Glass AssemblyRemoving Glass Assembly Replacing Glass AssemblyBefore operating this appliance have a qualified technician Operating InstructionsBefore Lighting Appliance What to do if YOU Smell GAS Lighting ApplianceStanding Pilot Ignition After Appliance is Lit Initial Break-in ProcedureCheck Pilot Flame Appearance Issue Solutions Frequently Asked QuestionsStanding Pilot Ignition System TroubleshootingSymptom Possible Causes Corrective Action Symptom Possible Cause Corrective Action TroubleshootingMaintaining and Servicing Appliance Maintenance TasksDoors, Surrounds Inspect Maintenance TasksReference Materials Appliance Dimension DiagramDirect Vent Flex Liner Kits Vent Kits ComponentsPart number list on following Log Set AssemblyService Parts At Depot Service PartsStocked Standing Pilot Valve Assembly Limited Lifetime Warranty Heat & GLO GAS Appliance Products Limited Lifetime WarrantyContact Information

MTL-INSERT specifications

The Heat & Glo LifeStyle MTL-INSERT is a remarkable gas fireplace insert that combines elegance, innovation, and cutting-edge technology to enhance the comfort and atmosphere of your home. Designed to seamlessly fit into existing masonry or factory-built fireplaces, the MTL-INSERT transforms any living space with minimal installation effort, making it a practical choice for both renovations and new builds.

One of the standout features of the LifeStyle MTL-INSERT is its contemporary style, which includes clean lines and a sleek facade. This insert is available in various sizes and configurations, allowing homeowners to select the ideal fit for their specific fireplace and aesthetic needs. The large viewing area provided by the expansive glass front ensures that the mesmerizing dance of the flames can be enjoyed from multiple angles in any room.

The MTL-INSERT is equipped with a powerful heat output, efficiently warming spaces without the need for additional heating sources. It utilizes advanced heat distribution technologies, including a blower system that circulates warm air throughout the room, making it not only a beautiful addition but also a functional one. With an impressive BTU range, it excels in heating capacities, ensuring comfort even in colder climates.

One of the key innovations of the LifeStyle MTL-INSERT is its use of the IntelliFire® technology. This patented system allows for easy control of the fireplace with a remote control, wall switch, or smart home integration, providing convenience and accessibility. The IntelliFire® technology also features an automatic ignition system, allowing for fast and reliable lighting of the flames without the hassle of manual starters.

Additionally, the LifeStyle MTL-INSERT is designed with safety and efficiency in mind. The unit is equipped with an oxygen depletion sensor (ODS) that automatically turns off the gas supply if the oxygen levels in the room become too low. This ensures peace of mind while enjoying the warmth and ambiance of the fireplace.

With environmentally friendly options, including a variety of fuel types such as natural gas or propane, the MTL-INSERT can cater to different homeowner preferences while maintaining optimal efficiency. The incorporation of high-quality materials and craftsmanship guarantees durability and longevity, ensuring that this investment will serve as a centerpiece in your home for years to come.

In conclusion, the Heat & Glo LifeStyle MTL-INSERT stands out as an exceptional choice for those seeking a modern and efficient gas fireplace insert. Its blend of advanced technologies, stylish design, and powerful heating capabilities make it a sought-after addition to any home, providing both comfort and an inviting atmosphere that families can enjoy together.
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