Desa CBT30NT, CBT30PT installation manual Troubleshooting, Observed Problem Possible Cause Remedy

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TROUBLESHOOTING

WARNING:Turnoffandunplugheaterandletcoolbeforeservicing. 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.

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

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

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

1.Ignitor electrode positioned wrong

2.Ignitor electrode broken

3.Ignitor electrode not con- nected to ignitor cable

4.Ignitor cable pinched or wet

5.Broken ignitor cable

6.Bad ignitor

7.Piezo ignitor nut is loose (piezo ignition models only)

8.Battery not installed, battery power low or battery not installed correctly (electronic ignition models only)

1.Replace pilot assembly

2.Replace pilot assembly

3.Reconnect ignitor cable

4.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry

5.Replace ignitor cable

6.Replace ignitor

7.Tighten nut holding piezo ignitor. Nut is located inside heater cabinet at top

8.Install new alkaline battery in electronic ignitor. Verify battery is installed correctly

When ignitor button is pressed in, there is a spark at ODS/Pilot but no ignition

1.Gas supply turned off or equip- ment shutoff valve closed

2.Control knob is not in pilot position

3.Control knob not fully pressed in while pressing ignitor button

4.Air in gas lines when installed

5.Depleted gas supply (propane/ LP gas)

6.ODS/pilot is clogged

7.Gas regulator setting is not correct

1.Turn on gas supply or open equipment shutoff valve

2.Turn control knob to pilot position

3.Turn to PILOT position. Fully press in control knob while pressing ignitor button

4.Continue holding down con- trol knob. Repeat igniting op- eration until air is removed

5.Contact local propane/LP gas company

6.Clean ODS/pilot (see Cleaning and Maintenance, page 16) or replace ODS/pilot assembly

7.Replace gas regulator

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Local Codes Product FeaturesSafety Device Ignition SystemFollowing are excerpts from National Fuel AIR for Combustion VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation AIR Ventilation Air From Inside BuildingCheck GAS Type AIR for Combustion Ventilation InstallationInstallation Items Ventilation Air From OutdoorsLocating Heater Thermostat Sensing BulbRemoving Front Panel Of Heater Installing Heater to WallMounting Bracket Marking Screw LocationsAttaching To Wall Anchor Method Installing Bottom Mounting ScrewsAttaching To Wall Stud Method Placing Heater On Mounting BracketMounting Heater to Floor Optional Connecting to GAS SupplyMounting Base Feet to Floor Where required by local code Mounting Base Feet to HeaterAppliance Apply pipe joint sealant lightly to male NPT Dealer. See Accessories,Be upstream from heater see Figure Clogged heater valvesChecking GAS Connections Test Pressures In Excess Of 1/2 Psig 3.5 kPaTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa For Your Safety Read Before Lighting Operating HeaterLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureInspecting Heater Thermostat Control OperationODS/PILOT and Burner Soft bristled brush to cleanBurner Flame Pattern Burner Pilot AIR InletTechnical Service Cleaning MaintenanceService Hints When Gas Pressure Is Too LowControl knob is not in pilot position TroubleshootingObserved Problem Possible Cause Remedy Contact local propane/LP gas companyAssembly Goes out when control knob is Control knob not pressedProblem could be caused by Delayed ignition of burners Manifold pressure is too lowSlight smoke or odor during Noise when burner is litWhen heated, vapors from Turn heater off when using Initial operation Processes Hours of operationGas leak. See Warning Specifications Replacement Parts Service PublicationsIllustrated Parts Breakdown Parts List 111435-01 Electronic Ignitor 097159-04 Piezo IgnitorFront Panel 107954-01 107955-01 FAN Kits GA3250T AccessoriesEquipment Shutoff Valve GA5010 Floor Mounting KIT GA4550Parts Central Warranty Information Keep this Warranty

CBT30NT, CBT30PT specifications

The Desa CBT30NT and CBT30PT are high-performance heating solutions designed to deliver efficient warmth for both residential and commercial applications. These units are known for their reliability, innovative features, and easy integration into various spaces. They are particularly suited for those seeking effective heating options without compromising on energy efficiency.

The CBT30NT, or the natural gas version, stands out with its ability to provide consistent warmth through a direct vent system. This allows for safe operation while minimizing the impact on indoor air quality. It effectively draws combustion air from outside, which is essential for spaces with limited ventilation. The CBT30PT, on the other hand, is a propane variant, providing flexibility for users who may not have access to natural gas lines. Both models are designed with user convenience in mind, featuring a simple control system that allows for easy adjustments and temperature settings.

One of the key characteristics of these heaters is their advanced thermostat control, which enables precise temperature management. This feature ensures energy usage is optimized, preventing unnecessary heating and reducing utility costs. The compact and sleek design of the CBT30NT and CBT30PT allows them to fit seamlessly into any room without being an eyesore.

The heaters are equipped with durable materials, providing resilience against the rigors of daily use. They feature safety mechanisms, including flame failure safety devices, ensuring peace of mind for users. Furthermore, both models incorporate a forced air design, which disperses heat efficiently throughout the space, eliminating cold spots and creating a more uniform climate.

In summary, the Desa CBT30NT and CBT30PT are ideal heating solutions that combine safety, efficiency, and aesthetic appeal. Their natural gas and propane options respectively cater to a diverse range of user needs, making them versatile choices for enhanced comfort. With their advanced technology and user-friendly features, these heaters are a worthy investment for anyone in need of reliable heating solutions. Emphasizing energy efficiency and user safety, they represent the next generation of residential and commercial heating systems.
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