Monessen Hearth DLX28, GLX28, GLX24, GLX18, DLX18 Connecting the GAS, Gas Connection

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CONNECTING THE GAS

NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes.

CAUTION

Use new black iron or steel pipe. Internally tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulfide limits, and where permitted by local codes. Gas piping system must be sized to provide minimum inlet pressure (Listed on Data Plate) at the maximum flow rate (BTU/Hr). Undue pressure loss will occur if the pipe is too small.

A manual shutoff valve must be installed upstream of the appliance. Union tee and plugged 1/8" NPT pressure tapping point should be installed upstream of the appliance. Refer to Figure 15.

Pipe Coupling

Locations that the

Pressure Tapping

To Heater

Point May Be

Valve

Installed

 

Stainless

Flexible Tube

Pipe

Gas Supply Inlet

Manual Shutoff

Valve

Figure 15 - Gas Connection

IMPORTANT: Hold heater valve firmly with a wrench to prevent movement when connecting to inlet pipe.

CAUTION

CHECK GAS TYPE: The gas supply must be the same as stated on the heater’s rating plate. If the gas supply is different, DO NOT INSTALL THE HEATER. Contact your dealer for the correct model.

Always use an external regulator for all propane/LPG heaters only, to reduce the supply tank pressure to a maximum of

13" w.c. This is in addition to the internal regulator in the heater valve.

14D2099

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Contents Read and Save These Instructions Models DLX18/GLX18 DLX24/GLX24 DLX28/GLX28What to do if YOU Smell GAS Contents Installer Important Safety InformationOwner From Make Sure YOU have Received ALL Parts Getting StartedNatural GAS Product Features and SpecificationsPropane / LPG OFF IGN LOW/HI General Installation InformationCodes Adequate Combustion and Ventilation AIRBTU/HR = L1 + L2 Ft x W Ft x H Ft x Fireplace and Hearth Dimensions Height of Restriction Minimum Depth of Fireplace/Firebox Placement in a Fireplace with a Restrictive BarrierSidewall & Ceiling Clearances Clearances and Height RequirementsClearances and Height Requirements Measuring Heat Resistant Material for Mantel Clearances and Height RequirmentsMinimum Mantel Clearance with No Hood DLX/GLX Minimum Mantel Clearance with No Hood DLX/GLX 24 Minimum Clearance above Combustible Flooring Floor ClearanceDamper Stop Installation Installing Vented ApplicationsBefore Fully Installing the Unit Before Installing the ApplianceAssembly Procedure Installing Vented ApplicationsPlacing and Securing Appliance Gas Connection Connecting the GASManual Control Figure Checking GAS PressureConnecting Optional Wall Switch or Thermostat Electrical Wiring MILLI-VOLTChecking System Operation Connecting Remote ReceiverComplete Millivolt System Check Proper Sequence Oflog Installation LOG PlacementManual Control and Thermostat Control Flame AppearanceChecking the Pilot Flame MILLI-VOLT ControlOperating Instructions Checking the Burner FlameOperating Instructions For Your Safety Read Before LightingWhat to do if YOU Smell GAS To Turn OFF GAS to Heater Manual Control Lighting InstructionsRotation of Control Knob Thermostatic Control Lighting InstructionsPilot MILLI-VOLT Control Lighting InstructionsMatch Lighting Instructions Cleaning and Servicing Replacement Parts List DLX/GLX 24/28 DLX/GLXLX Golden Oak Logs LX Aged Split Logs LX Weathered Oak Logs LX Chestnut Oak Logs Observed Problem Possible Cause Remedy TroubleshootingOne or both burners do not light 14D2099 14D2099 Five Year Warranty Lifetime WarrantyBasic Warranty

DLX18, GLX28, GLX18, GLX24, DLX28 specifications

Monessen Hearth is renowned for its innovative and aesthetically pleasing gas fireplaces, and models like the DLX28, GLX24, GLX18, GLX28, and DLX18 embody this excellence. These fireplaces are designed to elevate the ambiance of any space while providing reliable heating and energy efficiency.

The DLX series, including the DLX28 and DLX18, showcases a blend of traditional craftsmanship with modern performance. These models focus on user-friendly features, such as an easy-to-use remote control and touchscreen controls that allow homeowners to adjust settings with ease. The realistic flame presentation, enhanced by the vibrant, hand-painted log sets, offers a lifelike fire experience. The DLX series also prioritizes efficiency, with high AFUE ratings ensuring minimal energy waste.

In contrast, the GLX series, featuring the GLX24 and GLX28, is perfect for those looking to create a contemporary living space. These fireplaces provide a sleek aesthetic with clean lines and minimalistic designs, making them an ideal fit for modern interiors. The GLX models incorporate advanced technologies such as a glass ember bed and multiple flame height adjustments, providing a customizable ambiance tailored to any moment. Additionally, they offer the option of a direct vent installation, ensuring optimal ventilation while maintaining efficiency.

The GLX18 complements smaller spaces without sacrificing style or performance, making it ideal for compact homes or apartments. Like its larger counterparts, it utilizes advanced safety features, including a built-in oxygen depletion sensor for added peace of mind.

All Monessen Hearth fireplaces are equipped with robust safety systems, ensuring optimal performance and security for homeowners. These models are also designed for versatility, allowing them to be installed in various settings, from traditional brick fireplaces to contemporary wall-mounted configurations.

In summary, the Monessen Hearth DLX28, GLX24, GLX18, GLX28, and DLX18 fireplaces represent the pinnacle of comfort and technology, offering stylish designs, user-friendly features, and energy-efficient performance. Whether you prefer a classic or modern aesthetic, Monessen Hearth has a model to fit your unique style and heating needs, making them an excellent choice for any home.
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