Monessen Hearth KHLDV400, KHLDV500 Millivolt Checking GAS Pressure and Electrical installation

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HI/LO Knob
Pilot Adjustment Screw

MILLIVOLT - CHECKING GAS PRESSURE and Electrical installation

1.Check gas type. The gas supply must be the same as stated on the appliance’s rating decal. If the gas supply is different from the fireplace, STOP! Do not install the appliance. Contact your dealer immediately.

2.To ease installation, a 24" (610 mm) flex line with manual shut-off valve has been provided with on this appliance. Install and attach 3/8" gas line onto shut-off valve.

3.After completing gas line connection, purge air from gas line and test all gas joints from the gas meter to the fireplace for leaks. Use a solution of 50/50 water and soap solution or a gas sniffer.

Pressure Test “IN”

4.To adjust flame height, turn HI/LO knob to HI to get Pressure maximum pressure to burner. Turn HI/LO knob to LO Test “OUT” to get minimum pressure. Note: To make the process

of checking the gas pressure easier, unfasten the two screws which secure the gas valve to the side of the firebox and bring forward. [Remove the glass to allow the valve to come forward. (Refer to Page 45 for glass removal.)] When done, you must refasten the gas valve into place.

FP1979

Figure 30 -

Gas Pressure Check at Gas Valve

5.To check gas pressures at valve, turn captured screw counter clockwise 2 or 3 turns and then place tubing to pressure gauge over test point. Turn unit to high. Figure 30. After taking pressure reading, be sure and turn captured screw clockwise firmly to reseal. Do not over torque. Check test points for gas leaks.

WARNING

Do not use open flame to check for gas leaks.

Electrical Wiring

 

This fireplace will work without any electrical supply. Elec-

 

tricity is only needed to operate the blower and the light

Verify proper operation after servicing.

located behind the logs inside the firebox.

 

NOTE: If installed in mobile home, fireplace must be bolted

 

securely to floor.

 

WARNING

Electrical connections should only be performed by a qualified, licensed electrician. Main power must be off when connecting to main electrical power supply or performing service. All wiring shall be in compliance with all local, city, and state codes. The appliance, when installed, must be electrically grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code ANSI/ NFPA 70 (latest edition) and Canadian Electrical Code, CSA C22.1.

CAUTION

Label all wires before disconnecting when servicing controls. Wiring errors can cause improper and dangerous operation.

73D0024

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Contents Khldv Series Direct Vent Gas Fireplace Signature Command System Operation Instructions Operating Instructions Signature CommandOwner InstallerUtility gas wells. This gas is commonly Important Safety Information and Code ApprovalCode Approval Never connect unit to private nonGAS pressures Product featuresGas Specifications & Orifice Size High ElevationsKHLDV400 KHLDV500 Fireplace and Framing DimensionsCold Climate Insulation PRE-INSTALLATION InformationBefore You Start Firebox framingFireplace Location PRE-INSTALLATION InformationSide View ClearancesClearances to combustibles Mantel clearancesOver front face of fireplace Never install combustible materialsSECURe Fireplace to floor or framing Finishing MaterialLife Venting InstallationInstallation precautions Failure to follow these instructions will void WarrantyFor vertical termination Installation planningInstalling a vent system in an outside chase For horizontal terminationGeneral Venting Information Termination Location Canadian Installations1 US Installations2Outside Corner How To Use The Vent GraphStep Vertical Sidewall InstallationAlways install horizontal venting on a level plane 610 mm Mm Max VERTICAL/Horizontal termination configurationsTo be installed around the termination area VentING installationBelow Grade Installations Vertical through-the-roof applica- tions VentNG installationExample Installation for vertical termina- tionFlat ceiling installation Termination Heights for Vents Above Flat or Sloped Roofs Check gas type Fireplace installationInstalling gas piping to fireplace / burner system location Propane/LP Natural GasMillivolt Checking GAS Pressure and Electrical installation Optional Fan/Blower System Blotkhl Millivolt Remote Wall Switch InstallationRemote Wall mounted Switch Do not connect wall switch to a 110V circuitWA RNI GN Millivolt Optional FAN/BLOWER SystemBlower Access Covers Never use an open flame to check for gas leak Millivolt Operating InstructionsWhat to do if YOU Smell GAS Initial lightingNever check for gas leak with open flame Approved leak testing methodPilot position Main burner switchLighting the burner Or performing service. All wiring shall be Optional Accessory RequirementsElectrician. Main power must be off when Connecting to main electrical power supplyDo not connect wall switch to 110 Junction BOX WiringCommand Center Wall Installation Wall Switch InstallationElectrical Installation Blotkhlsc Signature Command Blower Signature command Optional fan blower systemSignature command Operating Instructions OPERATing Instructions Command CenterCommand Center FeaturesBattery Installation Function Operation Default Setting System CONFIGURATION/SETUPKey Combinations for System Settings Function Operation Command Center OperationsSelf Diagnostics Chart Turn appliance OFF at the Master Switch if Due to the sensitive temperature monitoringPerature before accurate room temperatures For accurate temperature readings to appear onResetting the transmitter Setting Privacy Code on TransmitterDo not use two 2 or more remote control sys Code setting, as they will communicate withSmart Mode Option for Thermostat Mode Figure Timer ModeThermostat Mode Light Brightness Control Blower On Delay Time and Off Delay Time Setup FigureBlower Speed Control AUX Control Rear Burner On/Off Control Safety FeaturesSetting up Blank Screen or Constant Display in Idle Symptom Causes Action Using the Mounting BaseGlass Frame Removal Glass removalRock wool placement Final installationBRICK, light bulb, and lens placement LOG placement Log placementPlace the upper right rear log over the rear log Burner, Pilot and Control Compart- ment Cleaning and maintenanceLogs Cleaning and maintenanceVent SysteM Glass DoorPoSSIBLE Cause TroubleshootingStanding Pilot Ignition Troubleshooting Troubleshooting Signature Command SystemDescription Qty Replacement PartsFirebox components and accessories Accessories / Field Installed OptionsStanding Pilot Millivolt control Replacement PartsLP to Natural Gas AccessoriesFuel Conversion Kits Millivolt Control Natural Gas to LP Signature Command System KHLDV400 KHLDV500 Logs VENTing components Or Mhsc Selkirk Box Description Venting Components for 5xCurrent Old Simpson Duravent Manufacturer Requirements Requirements for the Commonwealth of MassachusettsBasic Warranty Lifetime WarrantyFive Year Warranty Model EnerGuide Ratings Mhsc
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KHLDV500, KHLDV400 specifications

The Monessen Hearth KHLDV400 is a high-performance gas fireplace designed to provide both warmth and aesthetic appeal to any living space. This unit is engineered with modern technology, making it an excellent choice for homeowners looking to enhance their home’s atmosphere while enjoying the benefits of efficient heating.

One of the standout features of the KHLDV400 is its impressive heating capability. With an input of 40,000 BTUs, this gas fireplace is capable of heating spaces effectively, making it perfect for medium to large rooms. This fireplace utilizes a direct vent system, ensuring that combustion gases are efficiently expelled outside, while fresh air is drawn from the exterior to support the flame. This makes for a safe and environmentally friendly operation, as it minimizes indoor air pollution.

The KHLDV400 also boasts an innovative burner design that creates realistic flames, mimicking the look of traditional wood-burning fires. The fireplace comes with a choice of decorative media options, including glowing embers and fire glass, allowing homeowners to customize the look of their fireplace to match their personal style.

Another notable characteristic of the KHLDV400 is its intuitive control system. It can be operated via a handheld remote or wall switch, providing convenience and ease of use. Homeowners can adjust the flame height and heat output with simple controls, ensuring comfort at all times. Additionally, it features a standing pilot option that enhances its reliability and safety during operation.

Durability and quality craftsmanship are hallmarks of the Monessen brand, and the KHLDV400 is no exception. The fireplace is built with high-quality materials designed to withstand the test of time. Its sleek, contemporary design features a clean-face appearance that enhances any decor, while the glass front allows for an unobstructed view of the beautiful flame display.

With its combination of style, advanced technology, and efficient heating capabilities, the Monessen Hearth KHLDV400 is an exceptional choice for those looking to invest in a gas fireplace that delivers both performance and elegance to their home.
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