Desa P)T, P)R, HRB3624 Service Hints, Technical Service, Replacement Parts, Accessories

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Service Hints

When Gas Pressure Is Too Low

• pilot will not stay lit

• burners will have delayed ignition

• heater will not produce specified heat

• propane/LP gas supply may be low

You may feel your gas pressure is too low. If so, con- tact your local propane/LP or natural gas supplier.

Technical Service

You may have further questions about installation, operation or troubleshooting. If so, contact DESA Heating Products’ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready.

You can also visit DESA Heating Products’techni- cal services web site at www.desatech.com.

Replacement Parts

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

Parts Under Warranty

Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating Products’ Technical Service Department at 1-866-672-6040.

When calling DESA Heating Products, 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 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 Heating Products at 1-866-672-6040 for referral information.

When calling DESA Heating Products, have ready

•model number of your heater

•the replacement part number

Accessories

Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA Heating Products at 1-866-672-6040 for referral information. 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. Fits 1/2" NPT pipe.

FIREPLACE HOOD

Black - GA6050

Brass - GA6052

Antique Brass - GA6053

For all models. Helps deflect heat away from mantel or wall above fireplace. Fits openings 28" to 48" wide.

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Contents What to do if YOU Smell GAS Table of Contents Safety InformationSafety Information Unpacking Product Identification Optional Remote Control AccessoriesProduct Features Local CodesAir For Combustion Ventilation Providing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation AIR Ventilation Air From Inside BuildingInstallation Ventilation Air From OutdoorsInstallation and Clearances For Vent-Free Operation Check GAS TypeMinimum Firebox Size Determining Minimum Mantel Clearance When Using a Hood If Using MantelMaterial Requirements for Distance a Safe Installation Mantel ClearancesFloor Clearances Log SetArea of Various Standard Round Flues Diameter Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Chimney Minimum PermanentInstallation Items Needed Position heater base assembly in fireplaceConnect to gas supply. See Connecting To Gas Supply, Connecting to GAS Supply External Regulator With Vent Pointing DownMinimum inlet pressure for purpose of input adjustment Propane/LPNatural Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Pressure Testing Heater Gas ConnectionsChecking GAS Connections Correct all leaks at onceInstalling optional remote accessories Installing Remote ReceiverInstalling Logs VUL Model Logs OnlyInstalling VUL Model Log Sets CRB and HRB Model Logs OnlyThermostat-Controlled Models For Your Safety Read Before LightingOperating Heater Lighting InstructionsThermostat Control Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Shutting Off HeaterRemote-Ready Models Pilot Propane/LP Thermostat Series Model Optional Hand-HeldRemote Operation HRC200Inspecting Burners Pilot Flame PatternCleaning Maintenance Front Burner Flame PatternBurner Injector Holder and Pilot Air Inlet Hole Main burner Wiring DiagramLogs Remote-Ready Models OnlyTroubleshooting Observed Problem Possible Cause RemedyODS/pilot lights but flame Goes out when control knob isSafety interlock system has Press in control knob fullyBattery is not installed. Bat Observe minimum installaWhen heated, vapors from Turn heater off when using Mote-Ready Models Only Tery power is lowGas leak. See Warning Optional Positioning Thermostat Sensing Bulb For Masonry and Factory- built Metal FireplaceThermostat-Controlled Models Only Thermostat Models SpecificationsOptional Positioning of Thermostat Sensing Bulb VUL18PTIllustrated Parts Breakdown and Parts List Log ModelsVUL18PR, VUL24NR, VUL24PR, VUL30NR and VUL30PR 113620-01 113620-04 113620-07 Top Log #1 113620-02 113620-05 Illustrated Parts Breakdown Parts List Listed under Replacement Parts on page 42 of this manualRemote-Ready Variable Control Models VUL18NR, VUL18PR, VUL24NR, VUL24PR, VUL30NR, VUL30PRNo. Part No Description Illustrated Parts Breakdown HRB3924NR Replacement Parts Service HintsTechnical Service AccessoriesWALL-MOUNT ON/OFF Switch GWMS2 Receiver and HAND-HELD Remote Control KIT HRC100WALL-MOUNT Thermostat Switch GWMT1 Cleaning KIT GCKWarranty Information Keep this WarrantyLimited Warranty VENT-FREE GAS LOG Heaters

VUL 18R, VUL24R, VUL30R, HR B3930, HR 3924R, CRB3624T, VUL 18T, VUL24T, VUL30T, HR B3624T, VUL18, VUL24, VUL30, HRB3930/3924, HRB3624, P)R specifications

Desa P)R, HRB3624, HRB3930/3924, VUL18, VUL24, VUL30, VUL 18R, VUL24R, VUL30R, HR B3930, HR 3924R, CRB3624T, VUL 18T, VUL24T, VUL30T, and HR B3624T are part of an innovative product line designed to enhance efficiency and performance across various applications. These models showcase cutting-edge technologies and features that cater to diverse user needs.

The Desa P)R series is renowned for its robustness and reliability. Engineered with advanced materials, these models offer superior durability, making them suitable for both industrial and commercial environments. Their high-performance capabilities ensure they can handle demanding tasks without compromise.

The HRB3624 and HRB3930/3924 series provide powerful solutions with enhanced energy efficiency. Equipped with state-of-the-art motors and optimized designs, they deliver exceptional output while minimizing energy consumption. These models feature smart technology that adjusts performance based on workload, maximizing efficiency and prolonging equipment life.

VUL series, including VUL18, VUL24, and VUL30, is characterized by their versatility and user-friendly interface. These products incorporate intuitive controls, allowing for easy operation across various settings. The VUL series also features modular designs, enabling easy upgrades and maintenance to keep pace with changing requirements.

For those requiring specialized functions, the VUL 18R, VUL24R, and VUL30R models offer enhanced performance with refined specifications. These editions are optimized for high precision and are particularly suited for applications where accuracy is paramount.

The HR B3930 and HR 3924R models stand out due to their compact design without sacrificing power. Perfect for space-constrained environments, they provide a combination of high efficiency and powerful output, making them ideal for modern facilities.

The CRB3624T, VUL 18T, VUL24T, and VUL30T series incorporate advanced technology for temperature control and monitoring, ensuring optimal performance under varying conditions. These models are equipped with intelligent sensors that provide real-time feedback, allowing users to make informed adjustments.

Finally, the HR B3624T emphasizes thermal efficiency, boasting features that significantly reduce overheating risks and enhance safety. This series prioritizes user safety alongside effective performance.

In conclusion, the comprehensive features and technologies of the Desa P)R series, along with HRB and VUL models, position them as leading choices for industries seeking reliable, efficient, and versatile solutions.
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