Desa CGN18B, RN30B installation manual TROUBLE- Shooting, Maintenance

Page 22

TROUBLE- SHOOTING

OBSERVED

POSSIBLE

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

Continued

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

1.Gas supply turned off or manual shutoff valve closed

2.Control knob not in PILOT position

3.Control knob not pressed in while in PILOT position

4.Air in gas lines when installed

5.ODS/pilot is clogged

6.Gas regulator setting is not correct

1.Turn on gas supply or open manual shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is removed

5.Clean ODS/pilot (see Cleaning and Mainte- nance, page 21) or replace ODS/pilot assembly

6.Replace gas regulator

22

ODS/pilot lights but

1.

Control knob not fully

1.

Press in control knob

flame goes out when

 

pressed in

 

fully

control knob is

2.

Control knob not

2.

After ODS/pilot lights,

released

 

pressed in long enough

 

keep control knob

 

 

 

 

pressed in 30 seconds

 

3.

Manual shutoff valve

3.

Fully open manual

 

 

not fully open

 

shut-off valve

 

4.

Thermocouple connec-

4.

Hand tighten until

 

 

tion loose at control

 

snug, then tighten 1/4

 

 

valve

 

turn more

 

5.

Pilot flame not touch-

5.

A) Contact local

 

 

ing thermocouple,

 

natural gas company

 

 

which allows thermo-

 

 

 

 

couple to cool, causing

 

B) Clean ODS/pilot

 

 

pilot flame to go out.

 

(see Cleaning and

 

 

This problem could be

 

Maintenance, page 21)

 

 

caused by one or both

 

or replace ODS/pilot

 

 

of the following:

 

assembly

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially

 

 

 

 

clogged ODS/pilot

 

 

 

6.

Thermocouple dam-

6.

Replace thermocouple

 

 

aged

 

 

 

7.

Control valve damaged

7.

Replace control valve

 

 

 

 

 

Burner does not light

1.

Burner orifice is

1.

Clean burner (see

after ODS/pilot is lit

 

clogged

 

Cleaning and Mainte-

 

 

 

 

nance, page 21) or

 

 

 

 

replace burner orifice

100096

Image 22
Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Safety Information Product Identification Local Codes Unpacking Product FeaturesSafety Device Piezo Ignition SystemUnusually Tight Construction Fresh AIR for Combustion and VentilationProducing Adequate Ventilation 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 Right CeilingFloor 16 3/ 4 RN30BRemoving Front Panel Of Heater Installing Heater to WallMounting Bracket 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 Shutting Off Heater Operating Heater Inspecting BurnerPilot Flame Pattern Shutting Off Burner Only pilot stays litCorrect Flame Pattern AT High Position Burner Flame PatternIncorrect Flame Pattern AT High Position ODS/PILOT and Burner Cleaning and Maintenance Trouble ShootingObserved Possible Problem Cause Remedy 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.