Desa CGN18B, RN30B Pressure Testing Heater GAS Connections, Manual Shutoff Valve

Page 16

CHECKING GAS CONNECTIONS

Continued

16

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.

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Figure 13).

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 14). 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 13).

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 14). 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 17 through 19). Check the rest of the internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 19).

8.Replace front panel.

Open

Manual

Shutoff

Valve

Closed

Figure 13 - Manual Shutoff Valve

Control Valve Location

Gas Meter

Manual

Shutoff

Valve

Figure 14 - Checking Gas Joints

100096

Page 15 Page 17
Image 16
Page 15 Page 17
Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Safety Information Local Codes Unpacking Product Features Safety DeviceProduct Identification Piezo Ignition SystemFresh AIR for Combustion and Ventilation Producing Adequate VentilationUnusually Tight Construction Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceVentilation AIR Ventilation Air From Inside BuildingVentilation AIR Ventilation Air From OutdoorsCheck GAS Type Installation ItemsLocating Heater Ceiling FloorRight 16 3/ 4 RN30BInstalling Heater to Wall Mounting BracketRemoving Front Panel Of Heater Methods For Attaching Mounting Bracket To WallMarking Screw Locations Attaching Mounting Bracket To WallInstalling Bottom Mounting Screws Placing Heater On Mounting BracketConnecting to GAS Supply Pressure Testing GAS Supply Piping System Checking GAS ConnectionsPressure Testing Heater GAS Connections Manual Shutoff ValveFor Your Safety Read Before Lighting Operating HeaterGRH/OV 007G Operating Heater Inspecting Burner Pilot Flame PatternShutting Off Heater Shutting Off Burner Only pilot stays litCorrect Flame Pattern AT High Position Burner Flame PatternIncorrect Flame Pattern AT High Position Cleaning and Maintenance Trouble Shooting Observed Possible Problem Cause RemedyODS/PILOT and Burner CabinetMaintenance, TROUBLE- ShootingFrom Ing statement at TopService Hints Technical ServiceRN30B CGN18B Parts Under Warranty Replacement Parts CentralsParts Not Under Warranty Manual Shutoff AccessoriesFloor Mounting Stand GA4000B ODS/Pilot RN30B Parts List KEY Part Number Description QTY12-2 12-1 CGN18B Parts List Warranty Information Limited Warranty VENT-FREE Heaters

RN30B, CGN18B specifications

Desa CGN18B and RN30B are innovative indoor heating solutions that cater to both residential and commercial needs, offering efficient heating capabilities with advanced features. Both models have carved a niche for themselves in the market, owing to their reliable performance, user-friendly interfaces, and modern design.

The Desa CGN18B is a gas-fired vent-free heater that has garnered attention due to its sleek design and compact size, making it an excellent choice for smaller spaces. With a heating capacity of 18,000 BTUs, it can effectively warm up areas up to 700 square feet, which is ideal for bedrooms, living rooms, or even office settings. One of the standout features of the CGN18B is its thermostat, which allows users to maintain their desired room temperature, enhancing comfort while optimizing energy consumption. The model operates without the need for external venting, which simplifies installation and reduces overall costs. Additionally, the CGN18B boasts safety features such as an oxygen depletion sensor, which automatically shuts the heater off if oxygen levels fall below a safe threshold, ensuring peace of mind for users.

On the other hand, the Desa RN30B is a dual-fuel heater that offers versatility by accommodating both liquid propane and natural gas. This flexibility makes it a preferred option for homeowners who may want to switch fuel sources based on availability or preference. With a robust heating capacity of 30,000 BTUs, the RN30B can comfortably heat larger spaces, up to 1,000 square feet. This model is particularly designed for heavy-duty use, making it suitable for workshops or larger living areas. The RN30B comes equipped with an electronic ignition system that simplifies startup, eliminating the need for matches or lighters. Moreover, its sleek design allows it to blend seamlessly with various interior styles, while the easy-to-use control panel enhances user experience.

Both models showcase advanced heating technologies, such as radiant heat distribution, which ensures warmth is spread evenly throughout the room. Furthermore, the efficient combustion technology employed in both units maximizes fuel utilization, thereby minimizing environmental impact while lowering energy expenses.

In conclusion, Desa CGN18B and RN30B are exemplary choices in the realm of indoor heaters. Their unique features, enhanced safety measures, and efficiency render them highly suitable options for those seeking dependable and effective heating solutions. Whether for a cozy home environment or a larger workspace, these models are designed to meet diverse heating needs effectively.
Top Page Image Contents