Desa CGD3930N, CGD3018N installation manual Pressure Testing Heater Gas Connections

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INSTALLING

Continued

18

3.Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter.

4.Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Re-connect heater and manual shutoff valve to gas supply. Check re-connected fittings for leaks.

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Figure 14).

2.Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter.

3.Check all joints from gas meter to manual shutoff valve (see Figure 15). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Pressure Testing Heater Gas Connections

1.Open manual shutoff valve (see Figure 14).

2.Open main gas valve located on or near gas meter.

3.Make sure control knob of heater is in the OFF position.

4.Check all joints from manual shutoff valve to control valve (see Figure 15). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 20 through 22 [manually-controlled models] or pages 22 through 24 [thermostatically-controlled model]). Check all other internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 21[manually-con- trolled models]) or page 24 [thermostatically-controlled model].

Open

Manual

Shutoff

Valve

Closed

Figure 14 - Manual Shutoff Valve

Manual

Thermostat Gas Valve or

Shutoff

Control Valve Location

Valve

 

Gas Meter

 

Figure 15 - Checking Gas Joints

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Burner patterns can cause sooting Operation Local Codes Unpacking Product FeaturesSafety Device Piezo Ignition SystemAIR for VentilationProviding Adequate Ventilation AIR for Combustion and Ventilation Determining AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Installing Check GAS TypeMinimum Fireplace Clearance LOG Sizing RequirementsMinimum Wall and Ceiling Clearances see Figure Minimum Non Combustible Material Clearances Installing Minimum Non Combustible Material Clearances Log SetFloor Clearances Installing Damper Clamp Accessory for Vented Operation Attaching Damper ClampInstalling Heater Base Assembly Installation Items NeededMounting Bracket Connecting to GAS Supply Checking GAS Connections Gas ConnectionPressure Testing Heater Gas Connections Test Pressures Equal To or Less Than 1/2 PsigInstalling Installing LogsFor Your Safety Read Before Lighting Operating HeaterOperating HeaterManual Lighting Procedure Control Knob Ignitor Button Inspecting Burners Pilot Flame PatternThermostat-Controlled Models Only Trouble Shooting CleaningMaintenance ODS/PILOT and BurnerMaintenance, TROUBLE- ShootingRefer to Air for Com Gas leak. See Warning Optional Optional Positioning of Thermostat Sensing Bulb Technical Service Service HintsModel Models Parts Under Warranty Parts Not Under WarrantyParts Central Hood GA6050 AccessoriesValve GA5010 Hood GA6052Illustrated Parts Breakdown Parts List CGD3018N CGD3924N CGD3930NCGD3924NT CGD3924NT 102990 102990 Warranty Information Keep this Warranty

CGD3018N, CGD3930N specifications

The Desa CGD3930N and CGD3018N are innovative gas heaters that exemplify cutting-edge technology and design in the heating industry. Both models are designed to provide efficient heating solutions for residential spaces, ensuring comfort during colder months while being environmentally conscious.

The CGD3930N is a powerful unit featuring a heating capacity of up to 30,000 BTUs, making it suitable for larger areas. It combines radiant and convection heating methods to ensure even heat distribution throughout the space. This model is equipped with a thermostat for precise temperature control, allowing users to set their desired comfort level easily. One of its standout features is the built-in oxygen depletion sensor, which enhances safety by monitoring the air quality to prevent hazardous conditions.

On the other hand, the CGD3018N, with a heating capacity of 18,000 BTUs, is perfect for smaller rooms or spaces that require consistent heating without excessive energy consumption. Its compact design makes it adaptable for various room layouts. Like the CGD3930N, it also features an adjustable thermostat, ensuring users can maintain the preferred level of warmth. The heater's flameless design provides a safe alternative to traditional heating methods, reducing the risk of accidents.

Both models utilize advanced ceramic burner technology, which enhances combustion efficiency and reduces emissions. This is particularly important as households increasingly seek to minimize their environmental footprint. This technology also ensures that both heaters operate quietly, providing warmth without the disruption of noisy mechanisms.

A significant aspect of the Desa CGD3930N and CGD3018N is their versatility. They can be installed as wall-mounted units or freestanding options, giving homeowners the flexibility to choose the best configuration for their space. The modern aesthetic of both models complements a wide range of interior designs, making them not only functional but stylish additions to any home.

In conclusion, the Desa CGD3930N and CGD3018N are excellent choices for those seeking reliable and efficient heating solutions. With their advanced features, safety measures, and stylish designs, these gas heaters provide warmth and comfort in any residential environment while promoting energy efficiency.
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