Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER installation manual Mantel Clearances

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VANGUARD FLAME-MAX™

UNVENTED PROPANE/LP GAS LOG HEATER

INSTALLATION

Continued

Mantel Clearances

In addition to meeting non-combustible material clearances, you must also meet reaquired clearances between fireplace open- ing and mantel shelf. If you do not meet the clearances listed below, you will need a hood.

Determing 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 Clear- ance When using a Hood

10"

8"

6"

2 1/2"

Minimum Non-

 

 

(A)

 

Combustible

 

Material

12"

 

 

 

 

 

 

8"

 

 

 

 

Mantel Shelf

20"

 

241/2"

271/2"

 

14"

 

163/4"

181/2"

 

 

 

 

Underside of

Mantel Shelf

All minimum distances are in inches

Log Set

30" 24”/30”/36” Models

20" 18" Model

Top of Fireplace

Opening

If your installation does not meet the above minimum clearances, you must:

operate the logs only with the flue damper open, OR

raise the mantel to an acceptable height,

OR

remove the mantel.

Minimum Non-

Distances to

Combustible

Underside of

Material Height

Mantel

Figure 6 - Minimum Mantel Clearances Without Using Hood

Mantel Shelf

 

12"

 

 

 

10"

 

 

 

8"

 

 

 

6"

 

 

 

2 1/2"

 

 

Minimum Non-

 

 

 

Combustible

 

 

 

Material

8"

12"

15"

 

 

Min.

 

 

Hood

Distances to

(GA6050, GA6052)

Underside of

 

 

Mantel

18"

Underside of

Mantel Shelf

All minimum distances are in inches

Log Sets

20"18”, 24”, 30”, and 36” Models

Top of Fireplace Opening

Figure 7 - Minimum Mantel Clearances When Using Hood

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Contents FLAME-MAX What to do if YOU Smell GASDesign Log DesignSafety Information Vanguard FLAME-MAX Unvented PROPANE/LP GAS LOG HeaterProduct Features Product IdentificationLocal Codes UnpackingDetermining AIR Flow for Heater Location Unusually Tight ConstructionConfined and Unconfined Space Determining if You Have a Confined or Unconfined SpaceVentilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Smaller than that defined as anInstallation InstallationCheck GAS Type Minimum Fireplace Clearance To Combustible MaterialsMinimum Non Combustible Material Clearances If Not Using MantelIf Using Mantel Determing Minimum Mantel Clearance Determining Minimum Mantel Clear- ance When using a HoodMantel Clearances Installing Damper Clamp Accessory for Vented Operation Installing Heater Base AssemblyInstallation Items Needed Floor ClearancesGolden Oak and Birch Model Chassis Connecting to GAS SupplyStandard Oak Log Chassis External Regulator With Vent Pointing Down Pressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Test Pressures Equal To or Less Than 1/2 PsigFor Golden Oak or Birch Models Installing LogsFor Vintage Oak Model Lighting Instructions For Your Safety Read Before LightingOperating Heater Cleaning and Maintenance Inspecting BurnersTroubleshooting Observed Problem Possible Cause RemedyRefer to Air for Combustion and Venti Top Gas leak. See Warning statement atSpecifications Replacement PartsAccessories Technical ServiceODS Pilot Illustrated Parts BreakdownFLAME-MAX Vintage OAK Models VYS18P and VYS24P Parts List KEY Part Number for VYS18P VYS24P Description QTY1A* 1A Parts List Warranty Information