Monessen Hearth 624DV(ST, PF, CR, CL)NVC/PVC manual Installer, Owner

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IMPORTANT SAFETY INFORMATION

Designer Series Gas Fireplaces

INSTALLER

Please leave these instructions with the owner.

OWNER

Please retain these instructions for future reference.

WARNING

Read this owner’s manual carefully and completely before trying to assemble, operate, or service this fireplace.

Any change to this fireplace or its controls can be dangerous.

Improper installation or use of this fireplace can cause serious injury or death from fire, burns, explosions, electrical shock and carbon monoxide poisoning.

This fireplace is a vented product. This fireplace must be properly installed by a qualified service person. The glass door must be properly seated and sealed. If this unit is not properly installed by a qualified service person with glass door properly seated and sealed, combustion leakage can occur.

CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning are similar to the flu with headaches, dizziness and/or nausea. If you have these signs, the fire- place may not have been installed properly. Get fresh air at once! Have the fireplace inspected and serviced by a qualified service person. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.

Propane/LP gas and natural gas are both odorless. An odor-making agent is added to each of these gases. The odor helps you detect a gas leak. However, the odor added to these gases can fade. Gas may be present even though no odor exists.

Make certain you read and understand all warnings. Keep this manual for reference. It is your guide to safe and proper operation of this fireplace.

1.This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases unless a certified kit is used.

2.For propane/LP fireplace, do not place propane/LP supply tank(s) inside any structure. Locate propane/ LP supply tank(s) outdoors. To prevent performance problems, do not use propane/LP fuel tank of less than 100 gal. capacity.

3.If you smell gas

shut off gas supply.

do not try to light any appliance.

do not touch any electrical switch; do not use any phone in your building .

immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

4.Never install the fireplace

in a recreational vehicle

where curtains, furniture, clothing, or other flammable objects are less than 42" from the front, top, or sides of the fireplace

in high traffic areas

in windy or drafty areas

5.This fireplace reaches high temperatures. Keep children and adults away from hot surfaces to avoid burns or clothing ignition. Fireplace will remain hot for a time after shutdown. Allow surfaces to cool before touching.

6.Carefully supervise young children when they are in the room with fireplace.

7.Do not modify fireplace under any circumstances. Any parts removed for servicing must be replaced prior to operating fireplace.

8.Turn fireplace off and let cool before servicing, install- ing, or repairing. Only a qualified service person should install, service, or repair the fireplace. Have burner system inspected annually by a qualified service person.

9.You must keep control compartments, burners, and circulating air passages clean. More frequent cleaning may be needed due to excessive lint and dust from carpeting, bedding material, pet hair, etc. Turn off the gas valve and pilot light before cleaning fireplace.

10.Have venting system inspected annually by a qualified service person. If needed, have venting system cleaned or repaired. Refer to Cleaning and Maintenance, page 41.

11.Keep the area around your fireplace clear of combus- tible materials, gasoline, and other flammable vapor and liquids. Do not run fireplace where these are used or stored. Do not place items such as clothing or decora- tions on or around fireplace.

12.Do not use this fireplace to cook food or burn paper or other objects.

13.Never place anything on top of fireplace.

42D0200

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Contents Designer Series Direct Vent Gas Fireplace Designer Series Gas Fireplaces Owner InstallerNever connect unit to private non Important Safety Information and code approvalCode Approval Please Read the Following CarefullyHigh Elevations Product featuresFireplace Dimensions Peninsula & Corner Framing Specifications Fireplace FramingPeninsula Framing Framing Fireplace See-through Framing SpecificationsFinishing Material ClearancesClearances to combustibles Mantel clearancesFireplace location Installation and Operating InstructionsSecurE fireplace to floor InstallationOptional top vent application Optional TOP Vent installationVentING installation Installation precautionsVenting Clearances 42D0200 VentING installation Canadian Installations1 US Installations2General Venting Information Termination Location How To Use The Vent Graph DimensionsFeet Top View Flat Installation Rear Wall Vent installationInstalling Horizontal Vent Cap Adhered to Horizontal termination configurationsExample Horizontal termination configurationBelow Grade Installations Vertical through-the-roof applications Flat ceiling installation Installation for vertical terminationConnect a section of pipe and extend up through the hole Check gas type Fireplace installationInstalling gas piping to fireplace / burner system location Installation items neededPropane/LP Natural GasElectrical Wiring Label all wires before disconnecting whenServicing controls. Wiring errors can cause Electrical installation Remote Wall mounted SwitchDo not connect wall switch to 110 V circuit Electronic Pilot Ignition Wiring Remote Wall SwitchOptional DC Remote Systems Glass Frame Removal Glass removalInstall logs and rock wool ember material in firebox LOG PlacementLog placement Install Top Log #6 Log placementVenting Height feet Grille Opening AIR Restrictor AdjustmentWhat to do if YOU Smell GAS Initial lightingNever use an open flame to check for gas leak Approved leak testing method Never check for gas leak with openFlame Main burner switch Lighting the burnerPilot position Venting system Cleaning and maintenanceCleaning glass Firebox cleaningStanding Pilot Ignition TroubleshootingTroubleshooting Electronic IgnitionYES General troubleshooting Glass replacement and blowerOptional Blower accessory Blot Replacement parts LogsDescription Qty Natural Propane Replacement Parts are Available Through Your Retailer Standing Pilot Millivolt Control Fuel Conversion Kits Millivolt Natural Gas to LPLP to Natural Gas Electronic Ignition Replacement PartsVent Components Replacement PartsDesigner Series Gas Fireplaces Designer Series Gas Fireplaces Designer Series Gas Fireplaces Carbon Monoxide Detector Requirements If Warranty Service is Needed Lifetime WarrantyFive Year Warranty Basic WarrantyModel EnerGuide Ratings Fireplace Efficiency % Mhsc