Desa RN30B, CGN18B Cleaning and Maintenance Trouble Shooting, ODS/PILOT and Burner, Cabinet

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CLEANING AND MAINTENANCE

TROUBLE-

SHOOTING

Note: All troubleshooting items are listed in order of operation.

WARNING

Turn off heater and let cool before cleaning.

CAUTION

You must keep control areas, burner, and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excessive lint from carpeting and bedding material, sawdust, cobwebs, etc.

ODS/PILOT AND BURNER

• Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean.

CABINET

Air Passageways

Use a vacuum cleaner or pressurized air to clean.

Exterior

Use a soft cloth dampened with a mild soap and water mixture. Wipe the cabinet to remove dust.

WARNING

Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater.

CAUTION

Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit.

OBSERVED

POSSIBLE

 

 

 

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

 

 

 

 

When ignitor button

1.

Ignitor electrode posi-

1.

Replace ignitor

 

 

is pressed, there is no

 

tioned wrong

 

 

 

 

 

spark at ODS/pilot

2.

Ignitor electrode broken

2.

Replace ignitor

 

 

 

3.

Ignitor electrode not

3.

Reconnect ignitor cable

 

 

 

 

connected to ignitor

 

 

 

 

 

 

 

cable

 

 

 

 

 

 

4.

Ignitor cable pinched or

4.

Free ignitor cable if

 

 

 

 

wet

 

pinched by any metal or

 

 

 

 

 

 

tubing. Keep ignitor

 

 

 

 

 

 

cable dry

 

 

 

5.

Piezo ignitor nut is loose

5.

Tighten nut holding piezo

 

 

 

 

ignitor to heater cabinet.

 

 

 

 

Nut is located inside

 

 

 

 

heater cabinet at top

 

 

 

6.

Broken ignitor cable

6.

Replace ignitor cable

 

 

 

7.

Bad piezo ignitor

7.

Replace piezo ignitor

 

 

 

 

 

 

Continued

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Safety Information Safety Device Local Codes Unpacking Product FeaturesProduct Identification Piezo Ignition SystemProducing Adequate Ventilation Fresh AIR for Combustion and VentilationUnusually Tight Construction Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Ventilation AIRInstallation Items Check GAS TypeLocating Heater Floor CeilingRight 16 3/ 4 RN30BMounting Bracket Installing Heater to WallRemoving Front Panel Of Heater Methods For Attaching Mounting Bracket To WallAttaching Mounting Bracket To Wall Marking Screw LocationsPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsConnecting to GAS Supply Checking GAS Connections Pressure Testing GAS Supply Piping SystemManual Shutoff Valve Pressure Testing Heater GAS ConnectionsOperating Heater For Your Safety Read Before LightingGRH/OV 007G Pilot Flame Pattern Operating Heater Inspecting BurnerShutting Off Heater Shutting Off Burner Only pilot stays litBurner Flame Pattern Correct Flame Pattern AT High PositionIncorrect Flame Pattern AT High Position Observed Possible Problem Cause Remedy Cleaning and Maintenance Trouble ShootingODS/PILOT and Burner CabinetTROUBLE- Shooting Maintenance,From Top Ing statement atTechnical Service Service HintsRN30B CGN18B Replacement Parts Centrals Parts Under WarrantyParts Not Under Warranty Accessories Manual ShutoffFloor Mounting Stand GA4000B ODS/Pilot KEY Part Number Description QTY RN30B Parts List12-2 12-1 CGN18B Parts List Limited Warranty VENT-FREE Heaters Warranty Information

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.