Monessen Hearth Guide to Systems Log Placement and Parts for Gas Fireplaces
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LOG PLACEMENT

Before you begin — This unit is supplied with seven (7) ceramic fiber logs. Do not handle these logs with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling the logs, wash your hands gently with soap and water to remove any traces of fibers.

WARNING

The positioning of the logs is critical to the safe and clean operation of this heater. Sooting and other problems may result if the logs are not properly and firmly positioned in the appliance. Never add additional logs or embellishments such as pine cones, vermiculite or rock wool to the heater. Only use the logs and 2G-RW rock wool (for NB18), or 3G-RW rock wool (for NB24) supplied with the unit.

Failure to position the parts in accordance with diagrams below or to use only parts specifically approved for this heater may result in property damage or personal injury.

PLACING ROCK WOOL

Before installing logs, place rockwool in dime size pieces evenly over small burner ports starting in the rear of the burner going towards the front. Avoid placing rock wool on slots on each side of rear burner and on large yellow flame ports on front of burner.

Wash hands after placing rock wool. Itching may occur.

 

WARNING

 

rock wool.

 

 

 

• Use only rock wool

 

 

 

provided with log set.

 

 

 

• Do not add additional

 

 

 

 

Dime-Size

Rock Wool

Figure 19 - Placing Rock Wool

NOTE: Installation instructions are the

same for 18", 24", and 30" log sets. Pictures used in this manual illustrate the 24" set. Some variation may exist between the images and the set included with this manual.

INSTALLING 18", 24" AND 30" (F,R) BERKLEY OAK LOGS ON NATURAL BLAZE BURNER

1.Place the #1 log (the “chunk”) on the grate bar right side of the burner adjacent to the controls. See Figure 20

2.Place front right log (#2) on right pin located on burner and right grate bar. Then, slide the #1 log foward so that it is tight against the #2 log. See Figure 21

3.Place right rear log (#3) on pin located on rear support bracket and rest left side of log on front right log. See Figure

22

#1

#2

 

Figure 20 - Placing Log #1

Figure 21 - Placing Log #2

81D0107

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Contents What to do if YOU Smell GAS Model NB18, NB24Read and Save These Instructions Contents Owner Important Safety InformationInstaller Massachussetts Residents only Make Sure YOU have Received ALL Parts What YOU will Need for InstallationGetting Started Product Features and Specifications Adequate Combustion and Ventilation AIR General Installation InformationCodes BTU / Hr = Model 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 Minimum Mantel Clearance with No Hood -NB18 Mum of 10 at a minimum of 28 above the opening Minimum Clearance above Combustible Flooring Floor ClearanceDamper Stop Installation Installing Vented ApplicationsBefore Fully Installing the Unit Before Installing the AppliancePlacing and Securing Appliance Installing Vented ApplicationsAssembly Procedure Flexible Tube Manual Shutoff Gas Supply Inlet Valve Connecting the GASMillivolt Valve Control Figure Checking GAS PressureATE Electrical Wiring MillivoltConnecting Optional Wall Switch or Thermostat Complete Millivolt System Check Connecting Remote ReceiverChecking System Operation Placing Rock Wool LOG PlacementPlacing Log #3 Placing the Decorative Rock EMBER, GRATE, and Rock InstallationCast Iron Grate Installation Placing Flickering EmbersMillivolt Control and Thermostat Control Flame AppearanceChecking the Pilot Flame Operating Instructions Checking the Burner FlameWhat to do if YOU Smell GAS Operating InstructionsTo Turn OFF GAS to Heater Cleaning and Servicing Operating Instructions and Cleaning and ServicingObserved Problem Possible Cause Remedy TroubleshootingODS/pilot lights, but flame Burner Assembly Replacement PartsAccessories Sold Separately Replacement Parts ListDescription Qty BO18-R BO18-F BO24-R BO24-F BO30-R BO30-F Berkley OAK Refractory LogsCarbon Monoxide Detector Requirements Special Requirements 81D0107 81D0107 Basic Warranty Lifetime WarrantyFive Year Warranty
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