Desa VUL 18R, VUL24R, VUL30R, HR B3930, HR 3924R, CRB3624T, VUL 18T, VUL24T, VUL30T, HR B3624T

Page 23

Operating Heater

Continued

5. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information, column 1, page 22. If you don’t smell gas, go to the next step.

6. Press in and turn control knob counter-

clockwise to the PILOT position. Press in control knob for five (5) seconds (see Figure 30).

Note: You may be running this heater for the first time after hooking up to gas sup- ply. If so, the control knob may need to be pressed in for 30 seconds or less. This will allow air to bleed from the gas system.

7. With control knob pressed in, press and release ignitor button. This will light pilot. The pilot is attached to the front burner. If needed, keep pressing ignitor button until pilot lights.

Note: If pilot does not stay lit, contact a qualified service person or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 24.

8. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.

• If control knob does not pop out when released, contact a qualified service person or gas supplier for repairs.

Note: If pilot goes out, repeat steps 4 through 8, page 22 and above.

9.Slightly push in and turn control knob coun-

terclockwise to the ON position.

10.Wait one minute and switch selector switch to the ON position to light burners. Note:AUTO is only functional when using GWMT1 or GWMS2 optional accessories.

11.Set flame adjustment knob to any level between HI and LO.

Control Knob

 

 

OL

 

N

 

O

 

O

 

 

T

F

F

 

HI

ON

OLIP

 

 

 

 

OFF

 

 

 

REMOTE

Ignitor

Flame

 

Adjustment

Selector Switch

Button

Knob

in OFF Position

 

 

 

Figure 30 - Control Knob and Ignitor

Button Location

CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve.

WARNING: Make sure the se- lector switch isintheOFF position when you are away from home for long periods of time. Heater will come on automatically with selec- tor switch in the ON position.

Pilot

Ignitor

Burner

Electrode

 

Figure 31 - Pilot (Propane/LP)

Pilot Burner

Ignitor

 

Electrode

Figure 32 - Pilot (Natural)

TO TURN OFF GAS

TO APPLIANCE

Shutting Off Heater

1. Turn control knob clockwise to the OFF position.

2a. Set selector switch in the OFF position.

2b. If Using Optional Hand-Held Remote: Set selector switch in the OFF position to prevent draining battery.

Shutting Off Burners Only (pilot stays lit) You may shut off the burners and keep the pilot lit by doing one of the following:

1.Turn control knob clockwise to the PILOT position.

2.Use remote control manual OFF button.

3.Set selector switch in the OFF position.

119426-01A

www.desatech.com

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Contents What to do if YOU Smell GAS Safety Information Table of ContentsSafety Information Unpacking Local Codes Optional Remote Control AccessoriesProduct Features Product IdentificationDetermining FRESH-AIR Flow for Heater Location Air For Combustion VentilationProviding Adequate Ventilation Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors InstallationMinimum Firebox Size Installation and Clearances For Vent-Free OperationCheck GAS Type Mantel Clearances If Using MantelMaterial Requirements for Distance a Safe Installation Determining Minimum Mantel Clearance When Using a HoodLog Set Floor ClearancesChimney Minimum Permanent Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Area of Various Standard Round Flues DiameterConnect to gas supply. See Connecting To Gas Supply, Installation Items NeededPosition heater base assembly in fireplace External Regulator With Vent Pointing Down Connecting to GAS SupplyNatural Minimum inlet pressure for purpose of input adjustmentPropane/LP Correct all leaks at once Pressure Testing Heater Gas ConnectionsChecking GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaInstalling Remote Receiver Installing optional remote accessoriesVUL Model Logs Only Installing LogsCRB and HRB Model Logs Only Installing VUL Model Log SetsLighting Instructions For Your Safety Read Before LightingOperating Heater Thermostat-Controlled ModelsShutting Off Heater Manual Lighting ProcedureTo Turn OFF GAS To Appliance Thermostat Control OperationRemote-Ready Models Pilot Propane/LP HRC200 Optional Hand-HeldRemote Operation Thermostat Series ModelPilot Flame Pattern Inspecting BurnersBurner Injector Holder and Pilot Air Inlet Hole Cleaning MaintenanceFront Burner Flame Pattern Remote-Ready Models Only Wiring DiagramLogs Main burnerObserved Problem Possible Cause Remedy TroubleshootingPress in control knob fully Goes out when control knob isSafety interlock system has ODS/pilot lights but flameMote-Ready Models Only Tery power is low Observe minimum installaWhen heated, vapors from Turn heater off when using Battery is not installed. BatGas leak. See Warning Thermostat-Controlled Models Only Optional Positioning Thermostat Sensing BulbFor Masonry and Factory- built Metal Fireplace VUL18PT SpecificationsOptional Positioning of Thermostat Sensing Bulb Thermostat ModelsVUL18PR, VUL24NR, VUL24PR, VUL30NR and VUL30PR Illustrated Parts Breakdown and Parts ListLog Models 113620-01 113620-04 113620-07 Top Log #1 113620-02 113620-05 Illustrated Parts Breakdown Listed under Replacement Parts on page 42 of this manual Parts ListVUL18NR, VUL18PR, VUL24NR, VUL24PR, VUL30NR, VUL30PR Remote-Ready Variable Control ModelsNo. Part No Description Illustrated Parts Breakdown HRB3924NR Accessories Service HintsTechnical Service Replacement PartsCleaning KIT GCK Receiver and HAND-HELD Remote Control KIT HRC100WALL-MOUNT Thermostat Switch GWMT1 WALL-MOUNT ON/OFF Switch GWMS2Limited Warranty VENT-FREE GAS LOG Heaters Warranty InformationKeep this Warranty

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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