Instruction/ maintenance manual of the product VFRMV24NA Desa
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Sav e this manual for future reference. WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, per - sonal injury, or loss of life. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
114745-01 For more information, visit www .desatech.com 2 W ARNING: Do not all ow fans to blow directly into the fireplace. A void any drafts that alter burner flame patterns. Ceiling fans can cre ate draf ts that alte r burner flam e pat terns . Alter ed burne r patte rns can cause sooting.
114745-01 For more information, visit www .desatech.com 3 3 SAFETY INFORMA TION PRODUCT IDENTIFICA TION 1. This applianc e, as supplie d, is only for us e with the type of gas indicat ed on the rating plate. This appliance is not convertible for use with other gases.
114745-01 For more information, visit www .desatech.com 4 SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shut off system. The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air .
114745-01 For more information, visit www .desatech.com 5 5 Gas water appliance _____________ Btu/Hr V ent-free appliance + _____________ Btu/Hr T otal = _____________ Btu/Hr 4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.
114745-01 For more information, visit www .desatech.com 6 AIR FOR COMBUSTION AND VENTILA TION Continued Figure 3 - V entilation Air from Outdoors F igure 2 - V entilation Air from Inside Building Outl.
114745-01 For more information, visit www .desatech.com 7 7 INST ALLA TION AND CLEARANCES FOR VENT -FREE OPERA TION INST ALLA TION Check Gas T ype Installation and Clearences for V ent-free Operation INST ALLA TION CHECK GAS TYPE Use the correct gas type (natural or propane/LP) for your unit.
114745-01 For more information, visit www .desatech.com 8 INST ALLA TION Continued Care fully follow the instructions below . This will ensure safe installation into masonary , UL127-listaed manufactured fireplace, or listed vent-free firebox. Min imum Clea ranc es For Sid e Com bust ible mater ial, side wall, and ceiling A.
114745-01 For more information, visit www .desatech.com 9 9 INST ALLA TION Continued MANTEL CLEARANCES I n ad di ti on t o mee ti ng non -co mb us ti bl e ma te ri al cle ar an ce s, yo u mu st a ls o mee t re qu ir ed cl ea ra nc es bet we en fir ep la ce op en in g an d m an te l sh el f.
114745-01 For more information, visit www .desatech.com 10 INST ALLING DAMPER CLAMP ACCESSOR Y FOR VENTED OPERA TION Note: When used as a vented decorative, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of non - combustible material.
114745-01 For more information, visit www .desatech.com 11 11 INST ALLA TION Continued INST ALLA TION Installing Heater Assembly (Cont.) Connecting to Gas Supply W ARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator .
114745-01 For more information, visit www .desatech.com 12 INST ALLA TION Continued * Purchase the optional CSA design-certified equipme nt shutoff valve fro m your dealer . See Accessories, page 27. **Minimum inlet pressure for purpose of input adjustment.
114745-01 For more information, visit www .desatech.com 13 13 INST ALLA TION Continued INST ALLA TION Checking Gas Connections (Cont.) Figure 16 - Checking Gas Joints (Natural Gas Only) Thermostat Gas.
114745-01 For more information, visit www .desatech.com 14 OPERA TING HEA TER OPERA TING HEA TER (REMOTE-READY MODELS) For Y our Safety Read Before Lighting Lighting Instructions W ARNING: If you do not follow these instructions exactly , a fire or explosion may result causing property damage, personal injury or loss of life.
114745-01 For more information, visit www .desatech.com 15 15 .
114745-01 For more information, visit www .desatech.com 16 .
114745-01 For more information, visit www .desatech.com 17 17 BURNER FLAME P A TTERN Figure 24 shows correct burner fl ame pattern. NOTICE: Do not mistake orange fl ames with yellow tipping. Dirt or other fi ne particles are burned by heat er , causing brief patches of orange fl ame.
114745-01 For more information, visit www .desatech.com 18 W ARNING: T urn off heater and let cool before cleaning. CAUT ION: Y o u must keep contr ol are as, bur ners , and circ ulat ing air passageways of heater clean. Inspect these areas of heater be - fore each use.
114745-01 For more information, visit www .desatech.com 19 19 TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. W ARNING: T urn off and un- plug heater and let cool before ser vici ng. Only a qual ified ser vice person should service and repair heater .
114745-01 For more information, visit www .desatech.com 20 TROUBLESHOOTING Continued OBSERVED PROBLEM One or both burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfi.
114745-01 For more information, visit www .desatech.com 21 21 TROUBLESHOOTING Continued 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.
114745-01 For more information, visit www .desatech.com 22 VFRMV18NA VFRMV24NA Btu (V ariable) 24,000/36,000 28,000/39,000 T ype Gas Natural Gas Only Natural Gas Only Ignition Piezo Piezo Manifold Pressure 3.5" W .C.- 1.6"W .C. 3.5" W .
114745-01 For more information, visit www .desatech.com 23 23 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 pressure is too low .
114745-01 For more information, visit www .desatech.com 24 Log sets and mount- ing plates are ordered as an assembly ILLUSTRA TED P ARTS BREAKDOWN REMOTE-READY MODELS AND REMOTE CONTROLLED MODELS ILLU.
114745-01 For more information, visit www .desatech.com 25 25 P ARTS LIST This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual.
114745-01 For more information, visit www .desatech.com 26 ACCESSORIES W ALL-MOUNT THERMOST A T SWITCH - GWMT1 (Not Shown) For all Remote-Ready Models. The desired comfort setting can be selected on the wall thermostat and the log heater will automatically cycle from pilot to the heat setting selected.
114745-01 For more information, visit www .desatech.com 27 27 THIS P AGE INTENTIONALL Y LEFT 1 14745-01.
114745-01 For more information, visit www .desatech.com 28 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | OWNER’S REGISTRATION FORM In order to provide better customer service for this and future purchases, we recommend that you register your product with us.
114745-01 For more information, visit www .desatech.com 29 29 2701 Industrial drive. Bowling Green, KY . 42101 www .desatech.com Postage Required TM.
114745-01 For more information, visit www .desatech.com 30 NOTES ________________________________________________________________________________________________ ______________________________________.
114745-01 For more information, visit www .desatech.com 31 31 2701 Industrial drive. Bowling Green, KY . 42101 www .desatech.com 1 14745-01 7/04 NO T A UPC KEEP THIS W ARRANTY W ARRANTY INFORMA TION Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory .
An important point after buying a device Desa VFRMV24NA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa VFRMV24NA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Desa VFRMV24NA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa VFRMV24NA you will learn all the available features of the product, as well as information on its operation. The information that you get Desa VFRMV24NA will certainly help you make a decision on the purchase.
If you already are a holder of Desa VFRMV24NA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Desa VFRMV24NA.
However, one of the most important roles played by the user manual is to help in solving problems with Desa VFRMV24NA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa VFRMV24NA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
