Monessen Hearth GLX28, GLX24, GLX18, DLX18, DLX28 Checking GAS Pressure, Manual Control Figure

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CHECKING GAS PRESSURE

WARNING

Connecting directly to an unregulated propane/LPG tank can cause an explosion.

The heater gas inlet connection is a 3/8" NPT at the valve. On all control type units, the inlet connection is on the right side of the unit. To connect from the opposite side, route the pipe under the rear portion of the unit.

When tightening up the joint to the valve, hold the valve securely to prevent movement.

Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after completing connection. DO NOT USE AN OPEN FLAME.

Check the gas pressure with the appliance burning and the control set to HIGH.

MANUAL CONTROL (Figure 16)

The pressure regulator is preset and locked to discour- age tampering. If the pressure is not as specified, re-

place the regulator with the correct part from the parts list in this manual.

NPT Test Plug

Remove 1/8" NPT plug, located on either side of regu- lator body. Install fitting and tubing to pressure gauge. After taking pressure reading, reinstall test plug. Check for gas leaks.

Figure 16 - Pressure Test Point Location

THERMOSTAT CONTROL (Figure 17)

Test

Turn captured screw counter clockwise two or three

Points

turns and then place tubing to pressure gauge over test

 

point (Use test point closest to control knob). After tak-

 

ing pressure reading, be sure and turn captured screw

 

clockwise firmly to reseal. Do not over torque. Check

 

for gas leaks.

 

MILLIVOLT CONTROL (Figure 18)

The valve regulator controls the burner pressure which should be checked at the pressure test point.

Turn captured screw counter clockwise two or three turns and then place tubing to pressure gauge over test point. (Use test point “OUT” closest to gas inlet). Af- ter taking pressure reading, be sure and turn captured screw clockwise firmly to reseal. Do not over torque. Check for gas leaks.

Figure 17 - Alternate Test Point Location for Thermostat

Control Unit

Test Port “OUT”

Figure 18 - Pressure Test Point Location

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Contents What to do if YOU Smell GAS Models DLX18/GLX18 DLX24/GLX24 DLX28/GLX28Read and Save These Instructions Contents Owner Important Safety InformationInstaller From Getting Started Make Sure YOU have Received ALL PartsPropane / LPG Product Features and SpecificationsNatural GAS General Installation Information CodesAdequate Combustion and Ventilation AIR OFF IGN LOW/HIBTU/HR = L1 + L2 Ft x W Ft x H Ft x Fireplace and Hearth Dimensions Placement in a Fireplace with a Restrictive Barrier Height of Restriction Minimum Depth of Fireplace/FireboxClearances and Height Requirements Sidewall & Ceiling ClearancesClearances and Height Requirements Clearances and Height Requirments Measuring Heat Resistant Material for MantelMinimum Mantel Clearance with No Hood DLX/GLX Minimum Mantel Clearance with No Hood DLX/GLX 24 Floor Clearance Minimum Clearance above Combustible FlooringInstalling Vented Applications Before Fully Installing the UnitBefore Installing the Appliance Damper Stop InstallationPlacing and Securing Appliance Installing Vented ApplicationsAssembly Procedure Connecting the GAS Gas ConnectionChecking GAS Pressure Manual Control FigureElectrical Wiring MILLI-VOLT Connecting Optional Wall Switch or ThermostatComplete Millivolt System Check Connecting Remote ReceiverChecking System Operation LOG Placement Proper Sequence Oflog InstallationFlame Appearance Checking the Pilot FlameMILLI-VOLT Control Manual Control and Thermostat ControlChecking the Burner Flame Operating InstructionsWhat to do if YOU Smell GAS For Your Safety Read Before LightingOperating Instructions Manual Control Lighting Instructions To Turn OFF GAS to HeaterThermostatic Control Lighting Instructions Rotation of Control KnobMILLI-VOLT Control Lighting Instructions PilotMatch Lighting Instructions Cleaning and Servicing Replacement Parts List DLX/GLX DLX/GLX 24/28LX Golden Oak Logs LX Aged Split Logs LX Weathered Oak Logs LX Chestnut Oak Logs Troubleshooting Observed Problem Possible Cause RemedyOne or both burners do not light 14D2099 14D2099 Basic Warranty Lifetime WarrantyFive Year 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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