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Desa VGL24PRA - page 1
Sav e this manual for future reference. For more information, visit www .desatech.com W ARNING: If the information in this manual is not fol- lowed exactly , a fire or explosion may result causing property damage, personal injury , or loss of life. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or a ...
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Desa VGL24PRA - page 2
www .desatech.com 1 12882-01B 2 W ARNING: Improper installation, adjustment, altera- tion, service, or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer , service agency , or the gas supplier . W ARNIN ...
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Desa VGL24PRA - page 3
www .desatech.com 1 12882-01B 3 SAFETY INFORMA TION WAR NING : Th is pr odu ct co n- ta ins an d/o r g ene rat es che mic als kno wn to the Stat e of Cali for nia to cau se can cer or birt h defe cts , or oth er rep rod uct ive ha rm. IMPORT ANT : Read this owner ’s man ual ca ref ully and com ple tel y before trying to assemble, op- erate, or se ...
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Desa VGL24PRA - page 4
www .desatech.com 1 12882-01B 4 SAFETY INFORMA TION Continued 1. This ap plia nce is only for us e wi th t he type of ga s indi ca ted on the rat in g plat e. This app lian ce is n ot conv erti ble for use wit h ot her gas es. 2. Do not place propane/LP supply tank(s) in - side any structure. Locate propane/LP supply tank(s) outdoors (propane/LP un ...
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Desa VGL24PRA - page 5
www .desatech.com 1 12882-01B 5 PRODUCT IDENTIFICA TION Figure 1 - V ent-Free Gas Log Heater Optional Remote Control LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the lat - est edition of The National Fuel Gas Code, ANSI Z223/NFP A 54*. *A vailable from: American National Standards Institut ...
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Desa VGL24PRA - page 6
www .desatech.com 1 12882-01B 6 AIR FOR COMB USTION AND VENTILA TION WAR NING: T his he ater sh all not be installed in a confined space or unusually tight con - struction unless provisions are prov ided f or a dequa te c ombus - tion and ventilation air. Read the following instr uctions to insure proper fresh air for this and other fuel-burning a ...
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Desa VGL24PRA - page 7
www .desatech.com 1 12882-01B 7 Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2,560 cu. ft. (volume of space) If additional ventilation to adjoining room is supplied with grills or openings, add the volume of these rooms to the total volume of the space. 2. Multiply the space volume by 20 to determine the maximum B ...
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Desa VGL24PRA - page 8
www .desatech.com 1 12882-01B 8 Figure 3 - V entilation Air from Outdoors Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic AIR FOR COMB USTION AND VENTILA TIOIN Continued V entilation Air From Outdoors Prov ide extra fresh air by using ventilat ion grills or ducts. Y ou must provide two perma ...
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Desa VGL24PRA - page 9
www .desatech.com 1 12882-01B 9 CAUTION: This heater cre- ates warm air currents. These currents move heat to wall sur- faces next to heater . Installing heater next to vinyl or cloth wall coverings or operating heater where impurities (such as, but not limited to, tobacco smoke, aromatic candles, cleaning flu- id s, oil or kero se ne lam ps, etc ...
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Desa VGL24PRA - page 10
www .desatech.com 1 12882-01B 10 Minimum Noncombustible Material Clearances If Not Using Mantel Note: I f u si ng a m an te l, p ro ce ed t o I f Us in g Mantel. If not using a mantel, follow the informa- tion below . Yo u mu st ha ve no nc om bu s ti bl e m at er i al (s ) a bo ve th e fir ep la ce o pe ni ng . N o nc om bus ti bl e m a te ri al ...
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Desa VGL24PRA - page 11
www .desatech.com 1 12882-01B 1 1 NOTICE: If your installation does not meet the minimum clearances shown, you must do one of the following: • operate the logs only with the flue damper open • raise the mantel to an acceptable height • remove the mantel. INST ALLA TION Continued Figure 6 - Minimum Mantel Clearances Without Using Hood Minimum ...
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Desa VGL24PRA - page 12
www .desatech.com 1 12882-01B 12 INST ALLA TION Continued FLOOR CLEARANCES A. If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8). B. If combustible materials are less than 14" to the fireplace, you must install appliance at least 5" above the combustible floorin ...
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Desa VGL24PRA - page 13
www .desatech.com 1 12882-01B 13 INST ALLING HEA TER BASE ASSEMBL Y CAUTI ON: Do not remove the da ta pla tes att ac hed to the hea ter base assembly . The data plates contain important warranty and safety information. W ARNING: Y ou must secure this heater to fireplace floor . If not, heater will move when you adjust controls. Moving heater may ...
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Desa VGL24PRA - page 14
www .desatech.com 1 12882-01B 14 INST ALLA TION Continued CONNECTING TO GAS SUPPL Y W ARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator . W ARNING: A qualified ser- vic e per son must conn ect heat er to gas supply . Follow all local codes. CAU TION: Nev er con nect pro pane /LP heat ...
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Desa VGL24PRA - page 15
www .desatech.com 1 12882-01B 15 CHECKING GAS CONNECTIONS W AR NIN G: T est all gas pip ing and connections, internal and external to unit, for leaks after installing or servicing. Correct all leaks at once. WA RN IN G: Ne ve r u s e an op en fl a m e to c he ck f or a le ak . Ap pl y a n o n c o r r o s i v e l ea k de te ct io n fl u i d t o a ...
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Desa VGL24PRA - page 16
www .desatech.com 1 12882-01B 16 3. Chec k al l joi nts from pro pane /LP supp ly ta nk to equipm ent shuto ff valve for prop ane/ LP gas (se e Figur e 16) or fro m gas meter to equi pmen t shut off valve for natur al gas (se e Figu re 17). Appl y noncor rosi ve leak detec tion fluid to gas join ts. Bub bles for min g sh ow a lea k. 4. Correct all ...
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Desa VGL24PRA - page 17
www .desatech.com 1 12882-01B 17 INST ALLA TION Continued Figure 21 - Connecting Wires Control V alve White Wire From Receiver Red Wire From Receiver 8. Install remote receiver into receiver bracket using pads and push button clips provided with receiver (see Figure 20). 9. Co nn ec t wir es to con trol va lv e at the TP TH an d TH lo ca tio ns as ...
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Desa VGL24PRA - page 18
www .desatech.com 1 12882-01B 18 INST ALLING LOGS WA RN ING : Fai lur e to po sit ion t h e p a r t s i n ac co r d a n ce w it h t h e se di ag ra ms or fai lu re to use onl y pa rt s s pe ci fic al ly ap pr ov ed wi th th is he at er may r es ul t in pro pe rt y da ma ge o r pe rs on al i nj ur y. CAUTION: After installa- tion and periodically t ...
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Desa VGL24PRA - page 19
www .desatech.com 1 12882-01B 19 OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING W ARNING: If you do not fol- low these instructions exactly , a fire or explosion may result causing property damage, per - sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instruc ...
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Desa VGL24PRA - page 20
www .desatech.com 1 12882-01B 20 Figure 20 - Pilot Ignitor Electrode Pilot Burner Ignitor Electrode Pilot Burner Propane/LP Gas Natural Gas TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. T urn control knob clockwise to the OFF position. 2a. Set selector switch in the OFF position. 2b. If Using Optional Hand-Held remote: Se t selector switch in ...
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Desa VGL24PRA - page 21
www .desatech.com 1 12882-01B 21 OPERA TING HEA TER Continued OPTIONAL HAND-HELD REMOTE OPERA TION Note: All remote control accessories must be purchased separately (see Accessories, pag es 29). Follow instructions included with the re - mote control. NOT ICE : Yo u m ust li ght the p ilo t bef ore us ing th e hand- hel d r e- mot e con tro l uni t ...
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Desa VGL24PRA - page 22
www .desatech.com 1 12882-01B 22 Figure 34 - Incorrect Pilot Flame Pattern Figure 33 - Correct Pilot Flame Pattern Pilot Burner Propane/LP Gas Natural Gas Thermocouple OPERA TING HEA TER Continued Pilot Burner Thermocouple Propane/LP Gas Natural Gas MAIN BURNER Periodically inspect all burner flame holes with the heater running. All slotted burner ...
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Desa VGL24PRA - page 23
www .desatech.com 1 12882-01B 23 CLEANING AND MAINTENANCE W ARNING: T urn off heater and let cool before cleaning. C AUTI ON: Yo u mus t kee p co nt ro l are as, bu rn er , and cir cu - la ti ng air pa ss ag ew ay s of hea te r clean. Inspect thes e areas of heat er b efore eac h us e. Ha ve h ea te r in sp ec te d ye ar l y b y a qu a li - fie d ...
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Desa VGL24PRA - page 24
www .desatech.com 1 12882-01B 24 TROUBLESHOO TING W ARNING: T urn off 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. POS ...
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Desa VGL24PRA - page 25
www .desatech.com 1 12882-01B 25 OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is re - leased One or both burners do not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during com - bustion Sligh t s moke or od or during initial operation TROUBLESHOO TING Continued POSSIBLE CAUSE 1 . Control knob no ...
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Desa VGL24PRA - page 26
www .desatech.com 1 12882-01B 26 TROUBLESHOO TING Continued OBSERVED PROBLEM Moisture/condensation noticed on windows Heater produc es a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function POSSIBLE CAUSE 1. Not enough combu stio n/ve n- tilation air 1. Tu rning ...
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Desa VGL24PRA - page 27
www .desatech.com 1 12882-01B 27 W ARNING: 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. • If you cannot reach your gas ...
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Desa VGL24PRA - page 28
www .desatech.com 1 12882-01B 28 WIRING DIAGRAM Receiver Black On Off Remote Red Red White Thermopile Gas Control TPTH TH TPTH TP SERVICE HINTS When Gas Pressure Is T oo Low • pilot will not stay lit • burners will have delayed ignition • heater will not produce specified heat • propane/LP gas supply may be low Y ou may feel your gas press ...
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Desa VGL24PRA - page 29
www .desatech.com 1 12882-01B 29 ACCESSORIES Purchase these fireplace accessories from your lo- cal dealer . If they can not supply these accessories call DESA Heating Productsʼ Sales Department at 1-866-672-6040 for referral information. Y ou can also write to the address listed on the back page of this manual. EQUIPMENT SHUTOFF V AL VE GA5010 F ...
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Desa VGL24PRA - page 30
www .desatech.com 1 12882-01B 30 ILL USTRA TED P ARTS BREAKDOWN MODELS VGL18PRA, VGL18NRA VGL24PRA, VGL24NRA VGL30PRA, VGL30NRA 15 27 19 16 23 12 5 20 21 6 3 7 9 14 8 1 1 10 19 17 1 22 31 23 10 4 22 2 18 13 24 32 19 22 19 23 28 25 30 29 26 ...
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Desa VGL24PRA - page 31
www .desatech.com 1 12882-01B 31 P ARTS LIST This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual. P ART NUMBER KEY VGL18PRA VGL24PRA VGL30PRA NO. VGL18NRA VGL24NRA VGL30NRA DESCRIPTION QTY . 1 ** ** ** Base Assembly 1 2 1 14010-02 1 14010-02 ...
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Desa VGL24PRA - page 32
112882 01 Model __________________________________ Serial No. _______________________________ Date Purchased __________________________ 2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com 1 12882-01 Rev . B 07/04 NOT A UPC WARRANTY INFORMA TION KEEP THIS WARRANTY Always specify model and serial numbers when communic ...
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