Desa R, V, T, 30 Mantel Clearances, Floor Clearances, Determining Minimum Mantel Clearance

Page 9

INSTALLATION

Mantel Clearances Floor Clearances

9

INSTALLATION

Continued

MANTEL CLEARANCES

In addition to meeting noncombustible material clearances, you must also meet required clearances between fireplace opening and mantel shelf.Ifyoudonotmeettheclearanceslistedbelow,youwillneedahood.

Determining Minimum Mantel Clearance

If you meet minimum clearance between mantel shelf and top of fireplace opening, a hood is not required (see Figure 6).

Determining Minimum Mantel Clearance When Using a Hood

If minimum clearances in Figure 6 are not met, you must have a hood. When using a hood there are still certain minimum

10"

8"

6"

2 1/2"

Minimum Non-

 

 

(A)

 

Combustible

 

Material

12"

 

 

 

 

 

 

8"

 

 

 

 

Mantel Shelf

18"

 

20"

22"

 

14"

 

17"

19"

 

 

 

 

Underside of

Mantel Shelf

All minimum distances are in inches

Log Set

24" 24"/30" Models

20" 18" Model

Top of Fireplace

Opening

mantel clearances required. Follow minimum clearances shown in Figure 7 when using hood.

NOTICE: Surface temperatures of adjacent walls and mantels become hot during operation. Walls and mantels above the firebox may become hot to the touch. If installed properly, these temperatures meet the requirement of the national product standard.

Minimum Non-

Distances to

Combustible

Underside of

Material Height

Mantel

Figure 6 - Minimum Mantel Clearances Without Using Hood

Mantel Shelf

Follow all minimum clearances shown in this manual.

NOTICE: If your installation does not meet the minimum clearances shown, you must do one of the following:

operate the logs only with the flue damper open

raise the mantel to an acceptable height

remove the mantel

FLOOR CLEARANCES

A.If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8).

B.If combustible materials are less than 14" to the fireplace, you must install appliance at least 5" above the combustible floor- ing (see Figure 9).

 

12"

 

 

 

10"

 

 

 

8"

 

 

 

6"

 

 

 

2 1/2"

 

 

Minimum Non-

 

 

 

Combustible

 

 

 

Material

8"

12"

15"

 

 

Min.

 

 

 

Hood

Distances to

 

(GA6050, GA6052,

 

Underside of

 

or GA6053)

 

Mantel

 

 

18"

Underside of

Mantel Shelf

All minimum distances are in inches

Log Sets

20" 18", 24",

& 30" Models

Top of Fireplace Opening

Figure 7 - Minimum Mantel Clearances When Using Hood

 

Combustible

 

14"

Material

Hearth

 

Combustible

Min.

 

 

Material

 

 

 

 

5"

 

 

Min.

Noncombustible Material

 

Figure 8 - Minimum Fireplace

Figure 9 - Minimum Fireplace

Clearances If Installed at Floor

Clearances Above

Level

 

Combustible Flooring

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110882-01C

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualSafety Information Table of ContentsProduct Identification Product IdentificationProduct Features Optional Remote Control AccessoriesLocal Codes UnpackingDetermining FRESH-AIR Flow for Heater Location Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Installation Installation and Clearances for VENT-FREE OperationCheck GAS Type Minimum Noncombustible Material Clearances If Not Using MantelMantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Area of Various Standard Round FluesAttaching Base to Fireplace Floor Remote-Ready Models Only External Regulator With Vent Pointing Down Connecting to GAS SupplyChecking GAS Connections Pressure Testing gas Supply Piping systemPressure Testing Heater Gas Connections Installing LogsInstalling Front Log #1 Lighting Instructions Operating HeaterTo Turn OFF GAS To Appliance Manual Lighting ProcedureThermostat Control Operation Shutting Off HeaterVariable Control Operation REMOTE-READY Models For Your Safety Read Before LightingControl Knob and Ignitor Button Location Pilot Propane/LP Pilot Natural Optional HAND-HELD Remote OperationAuto Thermostatic Mode Manual ModeSafety Features ON/OFF Series Model GhrcbInspecting Burners Pilot Flame PatternFront Burner Flame Pattern Cleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning MaintenanceLogs Main BurnerObserved Problem Possible Cause Remedy TroubleshootingRefer to Air for Combustion and Venti Gas leak. See Warning statement Optional Positioning of Thermostat Sensing Bulb For Masonry and FACTORY-BUILT Metal FireplaceThermostat-Controlled Models Only Remote-Ready SpecificationsService Hints Wiring Diagram Replacement PartsTechnical Service Parts Under WarrantyIllustrated Parts Breakdown Variable MANUALLY-CONTROLLED Split OAK Models Parts ListTHERMOSTAT-CONTROLLED Models NVS18NT, NVS18PT THERMOSTAT-CONTROLLED Models Items 4 REMOTE-READY Variable Control Accessories Owners Registration Form Postage Required 110882-01C Warranty Information
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