Desa CCL3924NT, CGD3930NT, CY3124N, CY2718N Connecting to GAS Supply, Gas Connection

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VENT-FREE NATURAL GAS LOG HEATER

INSTALLATION

Continued

CONNECTING TO GAS SUPPLY

NOTICE: A qualified service per- son must connect heater to gas supply. Follow all local codes.

Installation Items Needed

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

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 heater (see Figure 15).

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 heater valves.

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

Install sediment trap in supply line as shown in Figure 15. Locate sediment trap where it is within reach for cleaning. Locate sedi- ment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into heater controls. If sediment trap is not installed or is installed wrong, heater may not run properly.

CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings.

•piping (check local codes)

•sealant (resistant to propane/LP gas)

•manual shutoff valve *

•test gauge connection *

•sediment trap

•tee joint

•pipe wrench

*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 optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories, page 27.

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

CAUTION: Use only new, black iron or steel pipe. Inter-

From

Gas Meter (5" W.C.** to 10.5" W.C. Pressure)

Tee Joint

Pipe

Nipple

Cap

Sediment Trap

Figure 15 - Gas Connection

A.G.A. Design-Certified

Manual Shutoff Valve

With 1/8" NPT Tap* Approved Flexible Gas Hose (if allowed by local codes)

Gas

Regulator

3" Minimum

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 heater. If pipe is too small, undue loss of pressure will occur.

*Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories, page 27.

**Minimum inlet pressure for purpose of input adjustment.

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASPatent Pending Safety Information VENT-FREE Natural GAS LOG HeaterProduct Features Product IdentificationLocal Codes UnpackingSafety Pilot AIR for Combustion and VentilationPiezo Ignition System Providing Adequate VentilationAIR for Combustion Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Installation InstallationCheck GAS Type Minimum Wall and Ceiling Clearances see FigureIf Not Using Mantel If Using MantelMinimum Noncombustible Material Clearances Determining Minimum Mantel Clearance When Using a Hood Mantel ClearancesFloor Clearances Determining Minimum Mantel ClearanceInstalling Damper Clamp Accessory for Vented Operation ChimneyHeight ft Flue Opening sq. ins Installing Heater Base Assembly Installation Items NeededConnecting to GAS Supply Gas ConnectionPressure Testing Gas Supply Piping system Pressure Testing Heater Gas ConnectionsChecking GAS Connections Test Pressures In Excess Of 1/2 PsigInstalling Logs Dual Burner Yellow Flame ModelsInstalling Middle Log #1 Dual Burner Premium Aged Split Oak ModelsInstalling Back Log Single Burner Mountain Oak ModelsFor Your Safety Read Before Lighting Operating HeaterLighting Instructions Manual Lighting Procedure Variable Control OperationTo Turn OFF GAS To Appliance Shutting Off HeaterInspecting Burners Thermostat Control OperationPilot Flame Pattern Cleaning and Maintenance Cleaning Burner Injector Holder and Pilot AIR Inlet HoleBurner Primary AIR Holes Main BurnerTroubleshooting Observed Problem Possible Cause RemedyMaintenance, Top Gas leak. See Warning statement at topOptional Positioning of Thermostat Sensing Bulb For Masonry and Factory- built Metal FireplaceService Hints Technical ServiceReplacement Parts SpecificationsParts Central Accessories Fireplace HoodBlack GA6050 Brass GA6052 Antique Brass GA6053 Damper Clamp GA6080 Not ShownIllustrated Parts Breakdown Parts List CGD3018N CGD3924N CGD3930NCGB3924NT CGB3930NT Thermostatically-Controlled Premium Aged Split Oak ModelsCGB3924NT CGB3930NT CGD3018NT CGD3924NT CGD3930NT CGD3018NT CGD3924NT CGD3930NT Variable Manually-Controlled Mountain Oak Models CY2718N CY3124N Warranty Information

CY2718N, CY3124N, CGD3930NT, CCL3924NT specifications

Desa CCL3924NT, CGD3930NT, CY3124N, and CY2718N are innovative heating appliances designed to enhance comfort while promoting energy efficiency. Each model has its unique features and technologies that cater to diverse heating needs in residential and commercial settings.

The Desa CCL3924NT is a powerful, gas-fired heater that boasts an efficient heating capacity. This model is particularly favored for its ability to deliver warmth quickly, thanks to its advanced combustion technology that ensures optimal fuel usage. The CCL3924NT incorporates a user-friendly digital thermostat, enabling precise temperature control, which not only enhances comfort but also contributes to energy savings. Additionally, the unit has a sleek design, making it a versatile choice for various interior styles.

Next, the CGD3930NT represents a robust and efficient design optimized for large spaces. Equipped with a high output capability and an adjustable burner, it allows for customizable heating solutions. One of its notable features is the built-in safety mechanisms that include an automatic shut-off in case of overheating, ensuring peace of mind for users. The CGD3930NT is easy to install and maintain, further reinforcing its reputation as a reliable heating solution.

The CY3124N model stands out for its advanced technologies such as infrared heating. This model utilizes infrared technology to provide direct heat to objects and people rather than just warming the air, resulting in immediate comfort. The CY3124N is compact, making it an ideal choice for smaller rooms or spaces needing supplementary heating. Its energy-efficient operation helps reduce utility costs while promoting an environmentally friendly heating solution.

Lastly, the CY2718N is known for its flexibility and versatility. This model combines both portability and efficiency, featuring wheels for easy movement from room to room. The CY2718N is equipped with a multi-function control panel, allowing users to set timers, adjust heat settings, and select operation modes according to their specific preferences. This model is particularly popular among those looking for a temporary heating solution without compromising on performance.

In conclusion, Desa CCL3924NT, CGD3930NT, CY3124N, and CY2718N offer diverse features, advanced technologies, and unique characteristics that cater to various heating requirements. Their commitment to efficiency and user comfort makes them excellent choices for anyone in need of effective heating solutions.
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