Instruction/ maintenance manual of the product VFRMV18NB Desa
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For more information, visit www .desatech.com W ARNING: If the information in this manual is not fol- .
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www .desatech.com 1 16412-01B 3 SAFETy INFORMA TION .
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www .desatech.com 1 16412-01B 5 PRODUCT IDENTIFICA TION Figure 1 - Product Identication Log Set Chassis Assembly LOCAL CODES Install and use the heater with care. Follow all local codes. In the absence of local codes, use the latest edition of the National Fuel Gas Code ANSI Z223.
www .desatech.com 1 16412-01B 6 AIR FOR COMB USTION AND VENTILA TION W ARNING: This heater shall .
www .desatech.com 1 16412-01B 7 1. Determine the volume of the space (length x width x height). Length x Width x Height = _________ cu. ft. (volume of space) Example: Space size 20 ft.
www .desatech.com 1 16412-01B 8 V entilation Air From Outdoors Prov ide extra fresh air by usin g venti latio n gril ls or ducts. Y ou must provide two permanent openings: one within 12" of the ceiling and one within 12" of the oor . Connect these items directly to the outdoors or spaces open to the outdoors.
www .desatech.com 1 16412-01B 9 W ARNING: Seal any fresh air vents or ash clean-out doors - .
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www .desatech.com 1 16412-01B 1 1 In addition to meeting noncombustible material clea ranc es, you must also meet require d clea ranc es between replace opening and mantel shelf. If you do not meet the clearances listed below , you will need a hood.
www .desatech.com 1 16412-01B 12 INST ALLA TION Continued OPE.
www .desatech.com 1 16412-01B 13 INST ALLA TION Continued .
www .desatech.com 1 16412-01B 14 INST ALLA TION Continued W e recommend that you install a sediment trap in supp ly line as sho wn in Figu re 14. Loc ate sedim ent trap where it is within reach for cleaning. Install in piping system between fuel supply and heater .
www .desatech.com 1 16412-01B 15 PIPING SYSTEM T est Pressures In Excess Of 1/2 PSIG 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator .
www .desatech.com 1 16412-01B 16 OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING W ARNING: If you do not fol- low these instructions exactly , .
www .desatech.com 1 16412-01B 17 4. Pre ss in and turn contr ol knob clockw ise t o th e OF F po si ti on ( se e Fi gu r e 18 ). W ARNING: Burners will come on automatically within one minute when the.
www .desatech.com 1 16412-01B 18 OPERA TING HEA TER Continued MANUAL LIGHTING 1. Follow steps 1 through 6 under Lighting Instructions , page 16. 2. Depress control knob and light pilot with match. 3. Keep cont ro l kno b pr esse d in for 30 second s afte r lighti ng pilot.
www .desatech.com 1 16412-01B 19 Figure 22 - Thermostat Hand-Held Remote Control Unit (HRC200) 4. Press the POWER and LOCK buttons together to turn off the r eplace. Note : Do not leave the hand -hel d r emote in t he AUT O mode clo se to the r eplace .
www .desatech.com 1 16412-01B 20 INSPECTING B URNERS Continued BURNER FLAME P A TTERN Figure 25 shows correct burner ame pattern. .
www .desatech.com 1 16412-01B 21 1. Shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes. 2. In spec t b urn er , pi lot an d p rima ry air in let opening on injector holder for dust and dirt (see Figure 27). 3. Blow air through the ports/slots and holes in the burner .
www .desatech.com 1 16412-01B 22 TROUBLESHOO TING .
www .desatech.com 1 16412-01B 23 1. C o n t r o l k n o b n o t f ul l y p r e s s e d i n 2. Control knob not pressed in long enough 3. Sa fet y i nter loc k s yst em has been triggered 4. Equipment shutoff valve not fully open 5.
www .desatech.com 1 16412-01B 24 1. Not enough air 2. Gas regulator defective 1. Residues from manufacturing processes and logs curing 1. Turning control knob to HI position when burners are cold 2. Air in gas line 3.
www .desatech.com 1 16412-01B 25 .
www .desatech.com 1 16412-01B 26 SPECIFICA TIONS REPLACEMENT P ARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty . P ARTS UNDER W ARRANTY Contact authorized dealers of this product.
www .desatech.com 1 16412-01B 27 For all models.
www .desatech.com 1 16412-01B 28 ILL USTRA TED P ARTS BREAkDOWN Shown .
www .desatech.com 1 16412-01B 29 P ARTS LIST This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual.
www .desatech.com 1 16412-01B 30 _____________________________________________________ ______________________________________________________ ______________________________________________________ ___.
www .desatech.com 1 16412-01B 31 _____________________________________________________ ______________________________________________________ ______________________________________________________ ___.
1769 E. Lawrence St. Russellville, AL 35653 www .desatech.com NOT A UPC WARRANTy INFORMA TION kEEP THIS WARRANTy 1 16412-01 Rev . B 10/05 Always specify model and serial numbers when communicating with the factory . W e reserve the right to amend these specications at any time without notice.
An important point after buying a device Desa VFRMV18NB (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 VFRMV18NB 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 VFRMV18NB - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa VFRMV18NB you will learn all the available features of the product, as well as information on its operation. The information that you get Desa VFRMV18NB will certainly help you make a decision on the purchase.
If you already are a holder of Desa VFRMV18NB, 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 VFRMV18NB.
However, one of the most important roles played by the user manual is to help in solving problems with Desa VFRMV18NB. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa VFRMV18NB 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
