Monessen Hearth HVFL18 manual Fireplace and Hearth Dimensions, Hearth Minimum Dimension

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FIREPLACE AND HEARTH DIMENSIONS

WARNING

This appliance is for installation only in a solid-fuel burning masonry or UL127 factory- built ﬁreplace, vent free appliance, or in listed ventless ﬁrebox enclosure. It has been design certiﬁed for these installations.

Exception: DO NOT install this appliance in a factory-built ﬁreplace that includes instructions stating it has not been tested or should not be used with unvented gas logs.

Use manufacturer's installation and clearance requirements as deﬁned in their manual.

The HVFL Series unvented room heater is approved for installation into the following unvented ﬁreplaces:

GCUF Series Fireboxes Magnum36/42 or Lo-Rider36

NOTE: HVFL24 log set will not ﬁt into GCUF32 ﬁreboxes.

The HVFL Series unvented room heater may also be installed into a Ventless Firebox Enclosure for Gas Fired Decorative Type Unvented Room Heaters per IAS Requirement No. 2-97 ANSI Z21.91-2001 (typically referred to as a "Universal Firebox"), as long as ﬁrebox hearth dimensions meet the minimum hearth dimensions shown below.

Model	A	B	C	D

HVFL18	18"	131/4"	27"	17"
HVFL24	221/4"	131/4"	281/2"	17"
HVFL24 with 30" Logs	251/2"	131/4"	321/2"	17"

A

D

C

B

Figure 2 - Hearth Minimum Dimension

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59D1015

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Contents

Read and Save These Instructions What to do if YOU Smell GASContents Installer Important Safety InformationOwner Never connect unit to private Getting Started What YOU will Need for InstallationMake Sure YOU have Received ALL Parts Natural GAS Product Features and Specifications PROPANE/LPG PILOT/ODS Ignition ControlsThermal Generator Codes General Installation InformationAdequate Combustion and Ventilation AIR BTU/Hr = 151/2 x 12 x 8 x 1000 = 29760 BTU/Hr Fireplace and Hearth Dimensions Hearth Minimum DimensionPlacement in a Fireplace with a Restrictive Barrier Height of Restriction Minimum Depth of Fireplace/FireboxClearances and Height Requirements Sidewall and Ceiling ClearancesClearances and Height Requirements Measuring Heat Resistant Material for Mantel Clearances and Height Requirments ExampleExample Floor Clearance Minimum Clearance above Combustible FlooringBefore Installing the Appliance Installing Vented ApplicationsBefore Fully Installing the Unit Damper Stop InstallationAssembly Procedure Installing Vented ApplicationsPlacing and Securing Appliance Connecting the GAS Flexible Tube Manual Shutoff Gas Supply Inlet ValveChecking GAS Pressure Manual Control FigureConnecting Optional Wall Switch or Thermostat Electrical Wiring MILLI-VOLTOperate Connecting Remote Receiver Installing T-STAT Sensor Option Sold SeparatelyInstalling T-Stat Sensor to Hvfl Base With Screw Provided Checking System Operation Operation of Thermostat SensorComplete MILLI-VOLT System Check Back Burner Rock Wool and LOG PlacementInstalling Kentucky Stack Logs on Grate Placing Rock WoolLOG Placement See FigureInstalling Split Maple Logs on Grate Installing Back Log #1Installing Top Right Log #5 Checking the Pilot Flame Flame AppearancePlacing the Decorative Rock MILLI-VOLT Control and Thermostat ControlChecking the Burner Flame Operating InstructionsOperating Instructions What to do if YOU Smell GASManual Control Lighting Instructions MILLI-VOLT Control Lighting Instructions Operating Instructions and Cleaning and Servicing Cleaning and ServicingTroubleshooting Observed Problem Possible Cause RemedyODS/pilot lights, but flame Replacement Parts Burner AssemblyReplacement Parts List HVFL18 HVFL24Kentucky Stack Logs KSCL18 KSCL24 KSCL30Split Maple Logs SMRL18 SMRL24 SMRL30Carbon Monoxide Detector Requirements Special Requirements Five Year Warranty Lifetime WarrantyBasic Warranty