Desa VRL24NR Owner's Operation And Installation Manual

Unvented (vent-free) gas log heater

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Owner's operating & installation manual (44 pages)

Owner's manual (44 pages)

Owner's operation and installation manual (38 pages)

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Page 1 UNVENTED (VENT-FREE) GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL 24" AND 30" REMOTE-READy MODELS: VRL24NR, VRL24PR, VRL30NR, VRL30PR, CSG3924NR, CSG3924PR, CTB3924NR, CTB3924PR, CSG3930NR, CSG3930PR 24" AND 30" THERMOSTAT MODELS: VRL24NT, VRL24PT, VRL30NT, VRL30PT, CSG3924NT, CSG3924PT, CTB3924NT, CTB3924PT Remote-Ready Models Also Design-Certified As Vented Decorative Appliances...
Page 2: Table Of Contents
TABLE OF CONTENTS Safety Informa ion ..........2 Cleaning and Maintenance ........ 26 Product Identification ........... 5 Troubleshooting ..........28 Optional Remote Control Accessories ....5 Optional Positioning of Thermostat Sensing Bulb..32 Local Codes............5 Wiring Diagram ..........33 Unpacking............6 Specifications ............
Page 3 SAFETy INFORMATION WARNING: This appliance is Continued for installation only in a solid-fuel burning fireplace or approved WARNING: This product con- ventless firebox enclosure. tains and/or generates chemicals known to the State of California WARNING: Do not allow fans to cause cancer or birth defects to blow directly into the fireplace.
Page 4 9. Before using furniture polish, wax, carpet SAFETy INFORMATION cleaner or similar products, turn heater off. If Continued heated, the vapors from these products may create a white powder residue within burner Keep the appliance area clear box or on adjacent walls or furniture. and free from combustible ma- 10.
Page 5: Product Identification
PRODUCT OPTIONAL REMOTE IDENTIFICATION CONTROL ACCESSORIES There are four optional remote controls that Log Set (Varies can be purchased separately for Remote-Ready According to Model) Models Only: Grate • wall switch • hand-held ON/OFF remote • wall thermostat • hand-held thermostat remote See Accessories, page 41.
Page 6: Unpacking
UNPACkING AIR FOR COMBUSTION AND VENTILATION CAUTION: Do not remove the data plates from the grate as- WARNING: This heater shall sembly. The data plates contain not be installed in a confined important warranty and safety space or unusually tight con- information.
Page 7 Determine the volume of the space (length x AIR FOR COMBUSTION width x height). AND VENTILATION Length x Width x Height =__________cu. ft. Continued (volume of space) Example: Space size 20 ft. (length) x 16 ft. Unusually tight construction is defined as (width) x 8 ft.
Page 8: Installation
AIR FOR COMBUSTION Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or AND VENTILATION ducts. You must provide two permanent openings: Continued one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the If the actual Btu/Hr used is less than the maximum outdoors or spaces open to the outdoors.
Page 9 INSTALLATION WARNING: Never install the Continued heater • in a bedroom or bathroom WARNING: Installation and unless installed as a vented repair should be done by a quali- appliance, see page 13 (Re- fied service person. The appliance mote-Ready Models Only) should be inspected before use and •...
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INSTALLATION NOTICE: Manual control heaters Continued may be used as a vented product. If so, you must always run heater INSTALLATION AND CLEARANCES with chimney flue damper open. (Vent-Free Operation Only) If running heater with damper WARNING: Maintain the open, noncombustible material minimum clearances.
Page 11: Mantel Clearances
INSTALLATION Continued Noncombustible Requirements for Material Distance (A) Safe Installation 12" or more Noncombustible material okay. Between 8" Install fireplace hood and 12" accessory (GA6050, GA6052 or GA6053, see Accessories, page 41). Less than 8" Noncombustible material must be extended to at least 8". See Between 8"...
Page 12 INSTALLATION Continued Determining Minimum Mantel Clearance NOTICE: If your installation does when Using a Hood not meet the minimum clear- If minimum clearances in Figure 6 (page 11) are not met, you must have a hood. When using a hood ances shown, you must do one there are still certain minimum mantel clearances of the following:...
Page 13 INSTALLATION Continued Damper INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED Damper OPERATION (Remote-Ready Models Only) Clamp Note: When used as a vented heater, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of Damper Damper noncombustible material.
Page 14 INSTALLATION Continued IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket until ready to mount base Mounting to floor.
Page 15 Installation must include a equipment shutoff valve, INSTALLATION union and plugged 1/8" NPT tap. Locate NPT tap Continued within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 14 or 15, page Installation Items Needed Before installing heater, make sure you have the 16, depending on your model).
Page 16 INSTALLATION CHECKING GAS CONNECTIONS Continued WARNING: Test all gas piping Natural From Gas and connections, internal and Meter (5" W.C.** external to unit, for leaks after to 10.5" W.C. installing or servicing. Correct Pressure) CSA Design-Certified Propane/LP all leaks at once. Equipment Shutoff Valve From External With 1/8"...
Page 17 INSTALLATION Propane/LP Equipment Continued Supply Shutoff Valve Tank Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Figure 16). 2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air.
Page 18 INSTALLATION Log #5 will seat in this Continued location. INSTALLING LOGS Log #1 WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury.
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Log #3 Figure 22 - Installing Log #5 (Right) and Log #2 Log #6 (Left) (Model CSG3924NR Shown) Models VRL24NR, VRL24PR, VRL30NR, Log #1 VRL30PR, VRL24NT, VRL24PT, VRL30NT and VRL30PT 1. Place log #1 (ember bed) onto base over log alignment screws to the left of front burner and behind middle burner.
Page 20: Operating Heater
WHAT TO DO IF YOU SMELL GAS INSTALLATION • Do not try to light any appliance. Continued • Do not touch any electric switch; do not ATTACHING GRATE TO BASE use any phone in your building. • Immediately call your gas supplier from ASSEMBLY a neighbor’s phone.
Page 21 8. Turn control knob counterclockwise OPERATING HEATER to desired heating level. The front burner Continued should light. Set control knob to any heat Note: Home owners generally prefer to op- level between HI and LO. erate their heater with the chimney damper 9.
Page 22 C. Use only your hand to push in or turn the OPERATING HEATER gas control knob. Never use tools. If the Continued knob will not push in or turn by hand, don’t try to repair it, call a qualified service tech- THERMOSTAT CONTROL nician or gas supplier.
Page 23 Note: AUTO is only functional when using OPERATING HEATER GWMT1 or GWMS2 optional accessories. Continued 11. To light the front/rear burners, push in 1. STOP! Read the safety information, and turn rear burner control knob coun- page 22. terclockwise to the ON position. 2.
Page 24 burner on and off with the hand-held remote OPERATING HEATER control unit. Continued IMPORTANT: Do not leave the selector switch TO TURN OFF GAS in the REMOTE or ON position when the pilot is not lit. This will drain the battery. TO APPLIANCE Shutting Off Heater Control Knob...
Page 25: Inspecting Burners
OPERATING HEATER Auto Shutoff Feature 1. If the average room temperature exceeds 82 Continued degrees Fahrenheit (28 degrees Centigrade), the hand-held remote control will perform a Digital Indicator safety override and shut the fireplace off. This Display Light Shows feature is not available in the MANU mode. AUTO Locks Temperature...
Page 26: Cleaning And Maintenance
INSPECTING BURNERS CLEANING AND Continued MAINTENANCE BURNER FLAME PATTERNS WARNING: Turn off heater Figure 38 shows correct front and/or middle burner and let cool before cleaning. flame patterns. Figure 39 shows incorrect front and/or middle burner flame patterns. The incorrect burner flame patterns show yellow tipping at top CAUTION: You must keep of blue flame.
Page 27 CLEANING AND Ports/Slots MAINTENANCE Injector Injector Holder Continued Holder 1. Shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes. 2. Inspect burners, pilot and primary air inlet holes on injector holder for dust and dirt (see Primary Access Figures 40 or 41).
Page 28: Troubleshooting
TROUBLESHOOTING WARNING: Turn off and unplug heater and let cool before servicing. 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...
Page 29 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame goes 1. Control knob not fully pressed in 1. Press in control knob fully out when control knob is re- 2. Control knob not pressed in 2. After ODS/pilot lights, keep con- leased long enough trol knob pressed in 30 seconds...
Page 30 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Yellow flame in front/middle 1. Not enough air 1. Check burner(s) for dirt burner during burner combustion and debris. If found, clean (VRL and CSG models) burner(s) (see Cleaning and Yellow flame in front burner Maintenance, page 26) during burner combustion (CTB 2.
Page 31 TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Fol- low the gas supplier’s instructions.
Page 32: Optional Positioning Of Thermostat Sensing Bulb
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB FOR MASONRY AND FACTORY- BUILT METAL FIREPLACE If your log set cycles to pilot, but the room tem- perature drops to a lower than ideal comfort level before the log set comes back on, you may want Thermostat Gas Valve Retaining...
Page 33: Wiring Diagram
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB Continued Thermostat Adhesive-backed Sensing Bulb Mounting Clip Capillary Do Not Crimp Capillary Figure 48 - Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom WIRING DIAGRAM (REMOTE-READY MODELS ONLY) Note: For proper operation of optional accessories, the wires from the switch to the control valve must be connected exactly as shown: Thermopile...
Page 34: Specifications
SPECIFICATIONS 24" Thermostat-Controlled 30" Thermostat-Controlled Btu (Variable) 10,000/40,000 10,000/40,000 10,000/40,000 10,000/40,000 Type Gas Propane/LP Natural Propane/LP Natural Ignition Piezo Piezo Piezo Piezo Manifold Pressure 7.4" W.C. 3.0" W.C. 7.4" W.C. 3.0" W.C. Inlet Gas Pressure (in. of water) Maximum 14" 10.5"...
Page 35: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAkDOWN LOGS Log Set for Models: Log Set for Models: CSG3924NT, CSG3924PT, CSG3924NR, VRL24NT, VRL24PT, VRL24NR, CSG3924PR, CSG3930NR, CSG3930PR, VRL24PR, VRL30NT, VRL30PT, CTB3924NT, CTB3924PT, VRL30NR, VRL30PR CTB3924NR, and CTB3924PR PART NUMBER CSG3924NT CSG3924PT CSG3924NR CSG3924PR VRL24NT VRL30NT CTB3924NT...
Page 36 ILLUSTRATED PARTS BREAkDOWN THERMOSTAT-CONTROLLED MODELS VRL24NT, VRL24PT, VRL30NT, VRL30PT CSG3924NT, CSG3924PT, CTB3924NT, CTB3924PT www.desatech.com 110021-01N...
Page 37: Parts List
PARTS LIST THERMOSTAT-CONTROLLED MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 40 of this manual. PART NUMBER VRL24NT VRL24PT CSG3924NT CSG3924PT VRL30NT VRL30PT CTB3924NT CTB3924PT DESCRIPTION Burner Carriage 2 110328-01 110061-03 110328-01 110061-03 110328-01 110061-03 Tube, Front and Rear Burner 3 110061-02 110061-02 110061-02 110061-02 110061-02 110061-02 Tube, Middle Burner T-Stat...
Page 38 ILLUSTRATED PARTS BREAkDOWN REMOTE-READY MODELS VRL24NR, VRL24PR, VRL30NR, VRL30PR CSG3924NR, CSG3924PR, CTB3924NR, CTB3924PR CSG3930NR, CSG3930PR Items 12 & 22 Natural Gas Models Only www.desatech.com 110021-01N...
Page 39 PARTS LIST REMOTE-READY MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 40 of this manual. PART NUMBER VRL24NR VRL24PR SG3930NR CSG3930PR CSG3924NR VRL30NR CSG3924PR VRL30PR CTB3924NR...
Page 40: Replacement Parts
1-866-672-6040. When calling please have your PARTS UNDER WARRANTY model and serial numbers of your heater ready. Contact authorized dealers of this product. If You can also visit DESA Heating Products’ techni- they can’t supply original replacement part(s), cal service web site at www.desatech.com call DESA Heating Products’...
Page 41: Accessories
THERMOSTAT REMOTE CONTROL dealer. If they can not supply these accessories, KIT - HRC200 call DESA Heating Products at 1-866-672-6040 For all Remote-Ready Models. Allows the gas for referral information. You can also write to the log heater to be operated in a manually or ther- address listed on the back page of this manual.
Page 42 NOTES ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.desatech.com 110021-01N...
Page 43 NOTES ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 110021-01N www.desatech.com...
Page 44 201 Industrial Drive P.O. Box 0004 Bowling Green, KY 42102-004 www.desatech.com 110021-01 Rev. N 110021 01 04/06 NOT A UPC...

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