Desa CLD3018NA 24 Connecting to GAS Supply, Attaching Flexible Gas Hose to Heater Gas Regulator

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INSTALLATION

Installing Heater Base Assembly (Cont.) Connecting To Gas Supply

11

INSTALLATION

Continued

7.Mark screw locations through holes in mounting brackets (see Figure 12). If installing in a brick-bottom fireplace, mark screw locations in mortar joint of bricks.

8.Remove heater base from fireplace.

9.Drill holes at marked locations using 3/16" drill bit.

10.Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figure 12).

Fitting Heater Gas

Regulator

Flexible Gas Hose

(if allowed by local codes)

Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator

Masonry

Screw

Mounting

Bracket

Figure 12 - Attaching Base Assembly to Fireplace Floor

CONNECTING TO GAS SUPPLY

WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pres- sure regulator.

WARNING: A qualified service person must con- nect heater to gas supply. Follow all local codes.

CAUTION: Never connect propane/LP heater di- rectly to the propane/LP supply. Propane/LP heaters require an external regulator (not supplied). Install the external regulator between the heater and pro- pane/LP supply.

WARNING: For natural gas units, never connect heater to private (non-utility) gas wells. This gas is commonly known as wellhead gas.

Installation Items Needed

Before installing heater, 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

*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 32.

For propane/LP gas, the installer 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 pressure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 13. Pointing the vent down protects it from freezing rain or sleet.

Propane/LP

Supply Tank

External

Regulator

Vent

Pointing

Down

Figure 13 - External Regulator With Vent Pointing Down

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

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Contents Winchester Oak Model Shown OWNER’S Operation and Installation ManualCLD3924PTA, CLD3924NTA What to do if YOU Smell GASSafety Information Table of ContentsProduct Identification AIR for Combustion and Ventilation Product FeaturesLocal Codes UnpackingDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationConfined Space and Unconfined Space Ventilation Air From Outdoors InstallationVentilation AIR Ventilation Air From Inside BuildingMinimum Firebox Size Check GAS TypeMinimum Fireplace Clearance to Combustible Materials Minimum Noncombustible Material Clearances If Not Using MantelDetermining Minimum Mantel Clearance Determining Minimum Mantel Clearance when Using a HoodMantel Clearances Floor ClearancesArea of Various Standard Round Flues Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Installation Items NeededAttaching Flexible Gas Hose to Heater Gas Regulator Connecting to GAS SupplyChecking GAS Connections Pressure Testing Gas Supply Piping SystemEquipment Shutoff Valve Pressure Testing Heater Gas ConnectionsFit over the burner see . Make sure the front What to do if YOU Smell GAS Operating HeaterVariable Control Operation Lighting InstructionsShutting Off Burners Only pilot stays lit Manual Lighting ProcedureTo Turn OFF GAS to Appliance Shutting Off HeaterThermostat Control Operation Inspecting Burners Cleaning MaintenanceReplacement Parts Technical ServiceService Hints Observed Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at For Masonry and Factory-built Metal Fireplace Optional Positioning of Thermostat Sensing BulbModel CGS2718P CLD3018PA CGS3124P CLD3924PTA SpecificationsIllustrated Parts Breakdown Variable Manually-Controlled Winchester Oak Models Parts ListCLD3018NA CLD3018PA KEY Part Number CLD3018NA CLD3018PA Description QTY CLD3924NTA CLD3924PTA KEY Part Number CLD3924NTA CLD3924PTA Description QTY Parts Central AccessoriesOwners Registration Form Postage Required 107068 Warranty Information

CLD3018NA 24, CLD3924NTA, CLD3924PTA specifications

The Desa CLD3018NA, CLD3924PTA, and CLD3924NTA are advanced heating solutions designed to provide efficient warmth for residential and commercial spaces. These models stand out for their innovative features, reliable performance, and cutting-edge technologies.

The CLD3018NA is renowned for its compact design and powerful heating capabilities. With a heat output of up to 30,000 BTUs, it efficiently warms areas up to 1,200 square feet. Its dual-fuel capability allows it to operate on either natural gas or propane, making it versatile for different settings. The adjustable thermostat provides precise temperature control, ensuring optimal comfort. Additionally, the CLD3018NA features an easy-to-use ignition system for quick startups and a blower fan to enhance heat circulation.

Moving on to the CLD3924PTA, this model offers a larger heating capacity, capable of delivering up to 35,000 BTUs. It is ideal for medium to large spaces, effectively heating areas of up to 1,500 square feet. One notable characteristic of the CLD3924PTA is its aesthetic appeal, with a sleek design that can complement various interior styles. The unit comes equipped with an automatic shut-off feature for safety, ensuring that users can enjoy peace of mind while using it. Furthermore, the adjustable heat output allows for customized comfort in changing weather conditions.

The CLD3924NTA variant takes efficiency to the next level. With similar heating capabilities as the CLD3924PTA, it boasts enhanced energy efficiency ratings. It incorporates advanced insulation technology to minimize heat loss, making it an eco-friendly choice for conscientious consumers. The built-in air filter helps maintain indoor air quality by reducing dust and allergens, which is particularly beneficial for households with allergy sufferers. Additionally, the CLD3924NTA is designed for quiet operation, ensuring that users can enjoy warmth without the distraction of noisy machinery.

All three models benefit from Desa's commitment to quality and reliability. Built using durable materials and subjected to rigorous testing, they are engineered for longevity and consistent performance. Easy installation and maintenance further enhance their appeal, making these heaters a practical choice for any homeowner or business owner in need of a dependable heating solution. In summary, the Desa CLD3018NA, CLD3924PTA, and CLD3924NTA represent the pinnacle of heating technology, combining efficiency, safety, and aesthetic value to enhance any environment.
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