8 Gas Information

A. Fuel Conversions

C. Gas Connection

Before making gas connections ensure that appliance be- ing installed is compatible with the available gas type.

Any natural or propane gas conversions necessary to meet the appliance and locality needs must be made by a qualified technician using Hearth & Home Technologies specified and approved parts.

Note: Have the gas supply line installed in accordance with local building codes, if any. If not, follow ANSI

223.1.Installation should be done by a qualified installer approved and/or licensed as required by the locality. (In the Commonwealth of Massachusetts installation must be performed by a licensed plumber or gas fitter).

B. Gas Pressures

Proper input pressures are required for optimum appli- ance performance. Gas line sizing requirements need to be made following NFPA51.

WARNING

Fire Risk. Explosion Hazard.

High pressure will damage valve.

• Disconnect gas supply piping BEFORE pressure testing gas line at test pressures above 1/2 psig.

•Close the manual shutoff valve BEFORE pressure testing gas line at test pressures equal to or less than 1/2 psig.

WARNING

Verify inlet pressures.

• High pressure may cause overfire condition.

• Low pressure may cause explosion.

•Verify minimum pressures when other household gas appliances are operating.

Install regulator upstream of valve if line pressure is greater than 1/2 psig.

Pressure requirements for appliance are shown in the table below. Minimum pressures must be met when other household gas appliances are operating.

Pressure

Natural Gas

Propane

Minimum inlet pressure

5.0 inches

11.0 inches

w.c.

w.c.

 

Maximum inlet gas pressure

14.0 inches

14.0 inches

w.c.

w.c.

 

Manifold pressure

3.5 inches

10.0 inches

w.c.

w.c.

 

NOTE: A listed (and Commonwealth of Massachusetts ap- proved) 1/2 inch (13 mm) T-handle manual shut-off valve and flexible gas connector are connected to the 1/2 inch (13 mm) control valve inlet.

•If substituting for these components, please consult local codes for compliance.

Refer to Reference Section 16 for location of gas line access in appliance.

NOTE: Gas line may be run from either side of the appliance provided the hole in the outer wrap does NOT exceed 2-1/2 inches in diameter and does not penetrate the firebox.

WARNING

Gas Leak Risk

•Support control when attaching pipe to prevent bending gas line.

NOTE: The gap between supply piping and gas access hole may be caulked with high temperature caulk or stuffed with non-combustible, unfaced insulation to prevent cold air infiltration.

•Ensure that gas line does not come in contact with outer wrap of appliance. Follow local codes.

•Incoming gas line should be piped into the valve compartment and connected to the 1/2 inch connection on the manual shutoff valve.

•Check all fittings and connections of appliance which may have loosened during shipping.

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

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Heat & Glo LifeStyle MTL-INSERT owner manual Gas Information, Fuel Conversions Gas Connection, Gas Pressures
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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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