Desa FB-5B Replacement Parts, Service Hints, Service Publications Accessories, Technical Service

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OWNER’S MANUAL

REPLACEMENT PARTS

Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

PARTS UNDER WARRANTY

Contact authorized dealer from whom you purchased this product. If they are unable to supply original replacement part(s), call DESA International’s Technical Service De- partment at 1-800-323-5190 for information.

When contacting your dealer or DESA In- ternational, have ready:

•your name

•your address

•model and serial numbers of your heater

•how heater was malfunctioning

•type of gas used (propane/LP or natural gas)

•purchase date

Usually, we will ask you to return the defec- tive part to the factory.

PARTS NOT UNDER

WARRANTY

Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Parts Department at 1-800-972-7879 for referral information. When calling DESA Interna- tional, have ready:

•model number of your heater

•the replacement part number

SERVICE HINTS

When Gas Pressure is Too Low

•pilot will not stay lit

•burner(s) will have delayed ignition

•heater will not produce specified heat

•propane/LP gas supply may be low

When Gas Quality is Bad

•pilot will not stay lit

•burner(s) will produce flames and soot

•heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your local propane/LP gas supplier.

SERVICE PUBLICATIONS

You can purchase a service manual from the address listed on the back page of this manual. Send a check for $5.00 payable to DESA International.

ACCESSORIES

Purchase these heater accessories from your local dealer. If they can not supply these accessories, contact your nearest Parts Cen- tral or call DESA International’s Parts De- partment at 1-800-972-7879 for referral in- formation. You can also write to the address listed on the back page of this manual.

EQUIPMENT SHUTOFF VALVE GA5010

For all models. Equipment shutoff valve with 1/8" NPT tap.

FAN KITS - UH1000FB AND UHS1000FB

For all models. Provides better heat distri- bution. Makes heater more efficient. Com- plete installation and operating instructions included.

Manually-controlled - UH1000FB. Includes ON/OFF switch.

Thermostatically-controlled - UHS1000FB. Includes three settings: ON/OFF/AUTO.

TECHNICAL

SERVICE

You may have further questions about in- stallation, operation, or troubleshooting.

If so, contact DESA International’s Techni- cal Service Department at 1-800-323-5190.

You can also visit DESA International’s technical service web site at www.desatech.com.

FLOOR MOUNTING STAND

Models FB-3B and FBS-3B -

UH3000BA

Model FB-5B and FBS-5B -

UH5000BA

For locating heater on the floor, away from a wall. Complete installation instructions provided with floor mounting stand.

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Contents What to do if YOU Smell GAS Infrared VENT-FREE PROPANE/LP GAS HeaterInfrared PROPANE/LP GAS Heater Safety InformationUnpacking Product FeaturesProduct Identification Local CodesConfined and Unconfined Space Fresh AIR for Combustion and VentilationProducing Adequate Ventilation Unusually Tight ConstructionDetermining FRESH-AIR Flow for Heater Location Fresh AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Check GAS Type InstallationInstallation Items Installing Thermostat Sensing BulbMarking Screw Locations Installing Heater to WallMounting Bracket Methods For Attaching Mounting Bracket To WallAttaching Mounting Bracket To Wall Installing Bottom Mounting ScrewsPlacing Heater On Mounting Bracket Typical Inlet Pipe Diameters Connecting to GAS SupplyChecking GAS Connections For Your SafetyOperating HeaterTo Select Heating Level Manual Lighting ProcedureOperating Heater Lighting InstructionsPress in control knob and turn coun For Your Safety Read Before LightingInspecting Burner Cleaning and MaintenanceObserved Problem Possible Cause Remedy TroubleshootingInfrared PROPANE/LP GAS Heater Top Parts Centrals SpecificationsTechnical Service Replacement PartsService Hints Service Publications AccessoriesIllustrated Parts Breakdown ODS/Pilot Assembly Burner AssemblyFB-3B KEY FB-3B Description Parts ListFB-5B Burner Assembly ODS/Pilot AssemblyKEY FB-5B Description FBS-3C KEY FBS-3B Description QTY FBS-5B KEY FBS-5B Description QTY FBS-5CInternational Warranty Information

FBS-3C, FB-5B, FBS-5C specifications

Desa FBS-5C, FB-5B, and FBS-3C represent an innovative line of advanced heating solutions that prioritize energy efficiency, user comfort, and environmental sustainability. These models showcase cutting-edge technology and an array of features designed to meet the diverse needs of residential and commercial spaces.

The Desa FBS-5C distinguishes itself with its high efficiency rating and sleek design. This model incorporates a robust heat exchanger that maximizes thermal efficiency, ensuring that energy consumption is minimized while delivering consistent warmth. The advanced digital thermostat allows users to set precise temperatures, while the programmable timing function enables enhanced control over heating schedules. Safety is paramount, and the FBS-5C features multiple safety mechanisms, including over-temperature protection and tip-over shutoff.

The FB-5B model is tailored for users seeking an effective heating solution without compromising on design. This model is compact and lightweight, making it ideal for smaller spaces or discrete installation. It incorporates advanced radiant heating technology that creates a comfortable warmth without the need for traditional forced air systems. Additionally, the FB-5B is equipped with a user-friendly control panel, allowing for easy adjustments and settings. Its low noise operation is particularly beneficial for environments where silence is essential, such as bedrooms or offices.

The FBS-3C model takes innovation a step further by integrating smart technology into its operating system. This model is Wi-Fi enabled, allowing users to control their heating remotely via smartphone applications. The adaptability of the FBS-3C ensures that it can seamlessly integrate with smart home systems, providing a convenient and user-friendly experience. Energy monitoring features enable users to track consumption and adjust settings to optimize efficiency, ultimately reducing heating costs and environmental impact.

In conclusion, Desa's FBS-5C, FB-5B, and FBS-3C models offer a range of features that cater to different heating needs. With their focus on efficiency, safety, and smart technology, these models exemplify the future of heating solutions. Whether for a cozy home setting or a commercial application, Desa's innovative approaches ensure warmth and comfort while promoting sustainability and user convenience.
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