Design Dynamics VTD-18N-PDG installation manual Installation and Clearances, Check GAS Type

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Installation

WARNING: Make sure the selector switch is in the OFF po- sition before installing heater.

WARNING:Beforeinstallingin a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes andloosepaintbyaqualifiedchim- ney cleaner. Creosote will ignite if highly heated. A dirty chimney fluemaycreateanddistributesoot withinthehouse.Inspectchimney and firebox flue for damage. If damaged, repair flue and firebox before operating heater.

WARNING: Installation, ser- vice and repair of this appliance must be performed by a qualified installer, service agency, compa- ny or gas supplier experienced with this type of gas appliance. Only factory authorized compo- nents listed in these instructions may be used in accordance with manufacturer’s instructions and all codes and requirements of the authority having jurisdiction. Any modifications to this kit, or use of unauthorized compo- nents or accessory items will void manufacturer’s warranty and may result in a hazardous condition.

Installation and Clearances

Figure 2 shows technical information regarding installation of your gas log set. Please make sure all specifications shown are applicable before installation is attempted.

SPECIFICATIONS (W.C.)

 

FUEL INLET

MANIFOLD

 

PRESSURE

PRESSURE

 

Min.

Max.

 

 

 

 

 

NG

7"

10.5"

3.5"

LP

11"

14"

10"

Figure 2 - Technical Information Chart

Flue Opening Specifications

Note: This vented appliance must be installed only in a solid-fuel burning or UL127 factory- built fireplace with a working flue and constructed of noncombustible material. The fireplace must include a working flue and venting system with minimum openings shown in Figure 3.

 

LOG SIZING REQUIREMENTS

 

 

 

Minimum Firebox Size

Min.

Log

 

 

 

Front

Rear*

Flue

Size

 

Height

Depth

Width

Width

Size

18"

 

17"

14"

24"

20"

8"

 

 

 

 

 

 

 

24"

 

17"

14"

28"

22"

8"

 

 

 

 

 

 

 

*Measured at 14" depth.

Figure 3 - Sizes and Clearances

CHECK GAS TYPE

Use the correct gas type (natural or propane/LP) for your unit. If your gas supply is not correct, do not install heater. Call dealer where you bought heater for proper type heater.

WARNING: This appliance is equipped for (natural or pro- pane/LP) gas. Field conversion is not permitted.

venting specifications for installation

The fireplace chimney flue and vent must be draft- ing properly. To check vent for proper drafting: Light a tightly rolled newspaper on one end and place it at the inside front edge of fireplace. Ob- serve smoke and be sure vent is properly drawing it up the chimney. If smoke spills out into the room, extinguish flame and remove any obstruction until proper venting is achieved.

The chimney flue damper must be fixed open to provide a minimum of 43 square inches of free air opening during operation of this log set. A multipurpose damper clamp is provided to fix the damper in position.

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Local Codes High traffic areas Windy or drafty areasProduct Identification Product FeaturesOptional Remote Control Accessories UnpackingVenting specifications for installation InstallationInstallation and Clearances Flue Opening SpecificationsConnecting to gas supply Installing Damper ClampInstalling Heater Assembly Installation Items NeededInstallation Natural GasPropane/LP Gas Checking gas connections Test Pressures Equal To or Less Than Psig 3.5 kPaFor your safety Read before lighting Pressure Testing Heater Gas ConnectionsOperating Heater Lighting Instructions Control KnobTo Turn OFF GAS To Appliance Manual Lighting ProcedureOptional Hand-held Remote control OperationInspecting Burners Pilot Flame PatternBurner Flame Pattern Cleaning Maintenance SpecificationsWiring Diagram Troubleshooting Observed Problem Possible Cause RemedyODS/pilot lights but flame goes See Cleaning and Mainte Gas leak. See Warning See Checking Gas ConnecReplacement Parts Service HintsTechnical Service AccessoriesIllustrated Parts Breakdown Models vTD-18n-Pdg, vtd-18p-Pdg, vtd-18N-BTB and vtd-18P-BTBParts List Illustrated Parts Breakdown Models vtd-24n-Pdg, vtd-24p-Pdg, vtd-24N-BTB and vtd-24P-BTBVenturi/Shutter Assembly Warranty Information Keep this WarrantyLimited Warranty Vented GAS LOG Heaters