Desa Tech CHDV34NA, CHDV34PA installation manual Installing GAS Piping to Fireplace Location

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CHDV34NA, PA DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP)

FIREPLACE INSTALLATION

Continued

INSTALLING GAS PIPING TO FIREPLACE LOCATION

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

CAUTION: For propane/LP units, never connect heater di- rectly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane/LP supply.

Installation Items Needed

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

•external regulator (supplied by installer)

•piping (check local codes)

•sealant (resistant to propane/LP gas)

•manual shutoff valve *

•test gauge connection *

•sediment trap

•tee joint

•pipe wrench

•approved flexible gas line with gas con- nector (if allowed by local codes) (not provided)

CAUTION: Use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" diameter or greater to allow proper gas volume to fireplace. If pipe is too small, undue loss of pressure will occur.

Installation must include a manual shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from fireplace (see Figure 35).

Propane/LP

Supply Tank

External

Regulator

Vent

Pointing

Down

Figure 34 - External Regulator with Vent Pointing Down (Propane/LP Only)

A.G.A. Design-Certified Manual Shutoff Valve with 1/8" NPT Tap*

IMPORTANT: Install main gas valve (manual shutoff valve) in an accessible lo- cation. The main gas valve is for turning on or shutting off the gas to the appliance.

Check your building codes for any special requirements for locating manual shutoff valve to fireplaces.

Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged fireplace valves.

CAUTION: Use pipe joint seal- ant that is resistant to liquid pe- troleum (LP) gas.

We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 35. Locate sediment trap/drip leg where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sediment trap/drip leg where trapped matter is not likely to freeze. A sediment trap traps moisture and contami- nants. This keeps them from going into fireplace gas controls. If sediment trap/drip leg is not installed or is installed wrong, fireplace may not run properly.

*An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Pur- chase the A.G.A. design-certified manual shutoff valve from your retailer.

For propane/LP connection only, the in- staller must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas

Approved Flexible

Gas Line

3" Minimum

Natural - From Gas Meter (5" W.C. to 10.5" W.C. Pressure )

Propane/LP - From External Regulator (11" W.C. to 14" W.C. Pressure)

pressure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 34. Pointing the vent down protects it from freezing rain or sleet.

Cap Pipe Nipple Tee Joint

Sediment Trap/Drip Leg

Figure 35 - Gas Connection

*The A.G.A. design-certified manual shutoff valve may be supplied with the appliance or you can purchase it from your retailer.

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Contents For Your Safety For Your Safety What to do if YOU Smell GASNatural GAS Model CHDV34NA PROPANE/LP GAS Model CHDV34PA Safety Information CHDV34NA, PA DIRECT-VENT Fireplace NATURAL/PROPANE/LPLocal Codes Product FeaturesProduct Identification Glossary TermsClearances PRE-INSTALLATION PreparationLocation and Space Requirements Framing and FinishingGeneral Venting Location of Vent TerminationGeneral Venting Installation Planning Venting InstallationInstallation Precautions Installing Vent System in a ChaseInstallation for Horizontal Termination Snorkel TerminationVent Pipe Connections Horizontal Termination Configurations Horizontal VentingVenting with Two 90 Elbows Installation for Vertical Termination Flat Ceiling InstallationCathedral Ceiling Installation Vertical Termination Configurations Venting with One 90 ElbowComfort Glow Rigid Venting High Altitude InstallationParts Lists for Venting Kits and Components Number DescriptionNumber Description Available from Desa International Comfort Glow Flexible VentingSimpson Dura-Vent GS 4 x 6 5/8 Available from Simpson Dura-Vent OnlyInstalling GA3750/CDA3620T Blowers Fireplace InstallationInstalling Optional Blower Accessory Check GAS TypeIf your fireplace system is installed Installing GAS Piping to Fireplace Location Installation Items NeededPressure Testing Gas Supply Piping System Connecting Fireplace to GAS SupplyInstallation Items Needed Checking GAS ConnectionsPressure Testing Fireplace Gas Connections Close manual shutoff valve see Fig- ureInstalling Remote Receiver REMOVING/REPLACING Glass DoorInstalling Optional Brick Liner CD8037A Installing Rear Brick Panel and Retainer BracketsInstalling LOGS, Lava Rock and Glowing Embers Installing Log NoOperating Fireplace For Your Safety Read Before LightingManual Lighting Procedure Lighting InstructionsCghrc Series Operation Optional Remote OperationThermostat Control Operation Cghrct Series OperationInspecting Burners Operating Optional Blower AccessoryPilot Assembly Operating Optional GWMT1 Wall Mounted ThermostatPilot and Burners Cleaning and MaintenanceGlass Door LogsTroubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Gas leak. See Warning statement AboveWiring Diagram Replacement PartsService Hints Technical ServiceIllustrated Parts Breakdown CHDV34NA CHDV34PAParts List DIRECT-VENT Fireplace CHDV34NA CHDV34PAAccessories GMC11F Series Walnut Finished Hardwood Veneer Cabinet MantelHearth Base GMC13F Series Stained Oak VeneerWarranty Information

CHDV34PA, CHDV34NA, CHDV34PA specifications

The Desa Tech CHDV34NA, CHDV34PA, and CHDV34P are advanced heating solutions that combine efficiency, reliability, and modern technology to meet the needs of today's consumers. Each model is designed to provide optimal heating while ensuring safety and ease of use, making them ideal for both residential and commercial applications.

One of the standout features of the CHDV34 series is its impressive heating capacity. With a thermal efficiency that exceeds industry standards, these units can heat up spaces quickly while minimizing energy consumption. This makes them an attractive option for those looking to reduce their energy bills without sacrificing comfort. The versatile design allows for installation in various settings, whether in living rooms, offices, or commercial spaces.

The CHDV34NA model is particularly noteworthy for its natural gas operation, making it an eco-friendly choice. Natural gas provides a clean-burning fuel option that lowers carbon emissions compared to traditional heating methods. This model comes equipped with advanced safety features, including a built-in oxygen depletion sensor, ensuring that the unit operates safely by shutting off if oxygen levels become too low.

In contrast, the CHDV34PA model runs on propane, making it a flexible alternative for those who may not have access to natural gas lines. This model shares many of the same high-efficiency features as its natural gas counterpart, offering an easy transition for users looking to switch fuel sources.

Both models utilize an innovative electronic ignition system, which enhances reliability by eliminating the need for a standing pilot light. This technology not only saves energy but also simplifies the ignition process, allowing users to enjoy a swift heating experience.

Moreover, the CHDV34PA model is compatible with a range of optional accessories, including remote controls and programmable thermostats, allowing for personalized heating management. This level of customization ensures comfort and convenience, as users can easily adjust their settings according to their specific needs.

Overall, the Desa Tech CHDV34NA, CHDV34PA, and CHDV34P models are designed with modern consumers in mind. Their blend of efficiency, eco-friendliness, and advanced features make them stand out in the market, providing reliable heating solutions that cater to a variety of lifestyles and preferences. Whether opting for natural gas or propane, users can trust these models to deliver on performance while maintaining cost-effectiveness and safety.
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