Monessen Hearth HVFL18 manual 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 unit. To connect from the opposite side, route the pipe around the back 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 dis- courage tampering. If the pressure is not as specified, replace the regulator with the correct part from the parts list in this manual.

Remove 1/8" NPT plug, located on side of regulator

body. Install fitting and tubing to pressure gauge. AfterNPT Test Plug taking pressure reading, reinstall test plug. Check for

gas leaks.

Figure 16 - Pressure Test Point Location

Manual Control

Test Port “OUT”

MILLI-VOLT CONTROL (Figure 17)

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

Turn captured screw counter clockwise two or thre turns and then place tubing to pressure gauge over test point (Use test point “OUT” closest to control knob). After taking pressure reading, be sure and turn captured screw clockwise firmly to re-seal. Do not over torque. Check for gas leaks.

Figure 17 - Pressure Test Point Location

Milli-Volt Control

59D1015

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Contents What to do if YOU Smell GAS Read and Save These InstructionsContents Important Safety Information InstallerOwner Never connect unit to private What YOU will Need for Installation Getting StartedMake Sure YOU have Received ALL Parts Product Features and Specifications Natural GASPROPANE/LPG Ignition Controls PILOT/ODSThermal Generator General Installation Information CodesAdequate Combustion and Ventilation AIR BTU/Hr = 151/2 x 12 x 8 x 1000 = 29760 BTU/Hr Hearth Minimum Dimension Fireplace and Hearth DimensionsHeight of Restriction Minimum Depth of Fireplace/Firebox Placement in a Fireplace with a Restrictive BarrierSidewall and Ceiling Clearances Clearances and Height RequirementsClearances and Height Requirements Measuring Heat Resistant Material for Mantel Example Clearances and Height RequirmentsExample Minimum Clearance above Combustible Flooring Floor ClearanceBefore Fully Installing the Unit Installing Vented ApplicationsBefore Installing the Appliance Damper Stop InstallationInstalling Vented Applications Assembly ProcedurePlacing and Securing Appliance Flexible Tube Manual Shutoff Gas Supply Inlet Valve Connecting the GASManual Control Figure Checking GAS PressureElectrical Wiring MILLI-VOLT Connecting Optional Wall Switch or ThermostatOperate Installing T-STAT Sensor Option Sold Separately Connecting Remote ReceiverInstalling T-Stat Sensor to Hvfl Base With Screw Provided Operation of Thermostat Sensor Checking System OperationComplete MILLI-VOLT System Check Installing Kentucky Stack Logs on Grate Rock Wool and LOG PlacementBack Burner Placing Rock WoolSee Figure LOG PlacementInstalling Back Log #1 Installing Split Maple Logs on GrateInstalling Top Right Log #5 Placing the Decorative Rock Flame AppearanceChecking the Pilot Flame MILLI-VOLT Control and Thermostat ControlOperating Instructions Checking the Burner FlameWhat to do if YOU Smell GAS Operating InstructionsManual Control Lighting Instructions MILLI-VOLT Control Lighting Instructions Cleaning and Servicing Operating Instructions and Cleaning and ServicingObserved Problem Possible Cause Remedy TroubleshootingODS/pilot lights, but flame Burner Assembly Replacement PartsHVFL18 HVFL24 Replacement Parts ListKSCL18 KSCL24 KSCL30 Kentucky Stack LogsSMRL18 SMRL24 SMRL30 Split Maple LogsCarbon Monoxide Detector Requirements Special Requirements Lifetime Warranty Five Year WarrantyBasic Warranty

HVFL18 specifications

The Monessen Hearth HVFL18 represents a notable innovation in the realm of vent-free fireplaces, designed with both aesthetics and functionality in mind. This unit is an excellent choice for homeowners looking for an efficient heating solution that combines style and convenience in one compact design.

One of the standout features of the HVFL18 is its impressive heat output. This fireplace boasts a maximum of 18,000 BTUs, making it powerful enough to warm various room sizes effectively. The vent-free design allows for maximum efficiency, ensuring that all the heat generated stays within the living space. Additionally, this model uses natural gas or propane, providing flexibility for installation based on the homeowner's preferences and existing connections.

The aesthetic appeal of the Monessen Hearth HVFL18 cannot be overlooked. It is designed with a realistic flame appearance that mimics the look of a traditional wood fire. The unit comes with a variety of decorative front options, allowing homeowners to customize the overall look to fit their interior design. Whether you're aiming for a contemporary or more classic style, the HVFL18 can complement your home beautifully.

A key technology integrated into the HVFL18 is its advanced burner system. The system is designed to produce taller, flickering flames, enhancing the ambiance of a cozy fire. Along with this, the unit incorporates a built-in oxygen depletion sensor, which automatically shuts off the fireplace if oxygen levels in the room fall below a safe threshold, ensuring peace of mind for users.

Ease of use is another significant characteristic of the HVFL18. The fireplace features an intuitive electronic ignition system, which simplifies the process of starting the unit and allows for quick adjustments to the flame height. Homeowners will appreciate how easily they can obtain instant warmth with just the press of a button.

Furthermore, the Monessen Hearth HVFL18 is designed for easy installation. With no need for venting, it can be added to a variety of spaces in homes where traditional fireplaces might be impractical. The compact size makes it suitable for smaller rooms, while still delivering robust heating performance.

In conclusion, the Monessen Hearth HVFL18 combines exceptional heating power, aesthetic versatility, and state-of-the-art technology, making it a top choice for those seeking a stylish and efficient fireplace solution. Its blend of safety features, user-friendly operation, and attractive design ensures that it will enhance any home while providing warmth and comfort during colder months.
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