Desa VTD-30PV-JHB, VTD-30NV-JHB Installing Appliance Assembly, Connecting to GAS Supply

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Installation

Continued

Installing Appliance

Assembly

WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to appliance control panel. This will insure adequate air flow and guard against sooting and con- trols being damaged. Raise fire- place floor with noncombustible material. Make sure material is secure.

CAUTION: Do not pick up ap- pliance assembly by logs. This could damage unit. Only handle assembly by grates.

IMPORTANT: Make sure the appliance is level. If unit is not level, unit will not work properly.

Installation Items Needed

• control cover kit (provided with appliance)

• approved flexible gas hose and fittings (provided with appliance) (if allowed by local codes)

• sealant (resistant to propane/LP gas, not provided)

1.Apply pipe joint sealant lightly to male threads of gas fitting (not provided). Connect approved flexible gas hose to inlet side of gas control valve (see Figure 5).

2.Position appliance in fireplace.

3.Connect to gas supply. See Connecting To Gas Supply.

Flexible Gas Hose

(If Allowed by Local Codes)

Gas

Control

Valve

CONNECTING TO GAS SUPPLY

WARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator.

WARNING: A qualified ser- vice person must connect heater to gas supply. Follow all local codes.

CAUTION: Never connect propane/LP fireplace directly to the propane/LP supply. This unit requires an external regulator (not supplied). Install the exter- nal regulator between the unit and propane/LP supply

WARNING: Never connect natural gas fireplace to private (non-utility) gas wells. This gas is commonly known as wellhead gas.

Installation Items Needed

Before installing log set, make sure you have the items listed below.

external regulator (supplied by installer)

piping (check local codes)

sealant (resistant to propane/LP gas)

equipment shutoff valve *

test gauge connection *

sediment trap

tee joint

pipe wrench

approved flexible gas line with gas connector (if allowed by local codes) (provided)

*A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, page 17.

Figure 5 - Attaching Flexible Gas Hose to

Gas Control Valve

114370-02Cwww.desatech.com

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Contents Ansi Z21.60-2003 CSA What to do if YOU Smell GASSafety Information Table of ContentsSafety Information Log Set AssemblySwitch Product IdentificationLocal Codes Product FeaturesOptional Accessories InstallationInstalling Damper Clamp Installation and ClearancesFlue Opening Specifications Venting Specifications for InstallationFlexible Gas Hose If Allowed by Local Codes Control Valve Installing Appliance AssemblyConnecting to GAS Supply Installation Items NeededNatural Gas Test Pressures Equal To or Less Than Psig 3.5 kPa Checking GAS ConnectionsLighting Instructions For Your Safety Read Before LightingPressure Testing Appliance Gas Connections Operating ApplianceShutting Off Appliance Manual Lighting ProcedureTo Turn OFF GAS To Appliance Control Knob IgnitorBurner Flame Pattern Cleaning Maintenance SpecificationsFor purpose of input adjustment Inspecting BurnersObserved Problem Possible Cause Remedy TroubleshootingIgnition operation Causing pilot flame to go Out. This problem could beControl Delayed ignition of burner Manifold pressure is too Has been triggeredCold Minute Air in gas line Operate burners until air is Noise when burners are lit Position when burners areWhite powder residue forming When heated, vapors from Turn control knob to LOStatement at top Gas leak. See WarningAccessories Service HintsTechnical Service Replacement PartsModels VTD-18NV-JHB, VTD-24NV-JHB, VTD-30Nv-JHB Illustrated Parts BreakdownParts on page 17 of this manual Parts ListKeep this Warranty Warranty InformationLimited Warranty Vented GAS Logs