Instruction/ maintenance manual of the product VDCFTNB Desa
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UNVENTED (VENT -FREE) GAS COMP A CT CLASSIC HEARTH ® DU AL BURNER FIREPLA CE OWNER’S OPERA TION AND INST ALLA TION MANU AL Sav e this manual for future reference.
www .desatech.com 1 16526-01A 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 .
www .desatech.com 1 16526-01A 3 SAFETY INFORMA TION WAR NI NG: Thi s pro duc t con- ta in s an d/ or ge ne ra te s ch em ic als kno wn to the S tate of Ca lifo rni a to cau se can cer or b irt h d efe cts or ot her rep rod uct ive har m.
www .desatech.com 1 16526-01A 4 SAFETY INFORMA TION Continued 1. This appliance is only for use with the type of gas indicated on the rating plate. This ap - pliance is not convertible for use with other gases. 2. Do not place propane/LP supply tank(s) in - side any structure.
www .desatech.com 1 16526-01A 5 PRODUCT IDENTIFICA TION Ignitor Button Screen Fireplace Cabinet Log Control Knob Figure 1 - V ent-Free Compact Dual Flame Fireplace O F F P I L O T O N H I L O Hood Fir.
www .desatech.com 1 16526-01A 6 HOOD ASSEMBL Y WARNING: Always have sc ree n in pla ce be for e ope rat i ng fir epl ac e. T hi s pre ve nts ex ce s- si ve te mp er at ure s on fi re pl ac e su rfa ce s.
www .desatech.com 1 16526-01A 7 PROVIDING ADEQUA TE VENTILA TION The following are excerpts from National Fuel Gas Code, ANSI Z223.1/NFP A 54, Section 5.3, Air for Combustion and V entilation. All spaces in homes fall into one of the three fol - lowing ventilation classifications: 1.
www .desatech.com 1 16526-01A 8 AIR FOR COMB USTION AND VENTILA TION Continued Example: Gas water heater _________ Btu/Hr V ent-free fireplace _________ Btu/Hr T otal _________ Btu/Hr 4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.
www .desatech.com 1 16526-01A 9 INST ALLA TION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri- mary heat source. If you have a central heating system, you may run system’s circulating blower while using heater .
www .desatech.com 1 16526-01A 10 INST ALLA TION ITEMS Before installing fireplace, make sure you have the items listed below . • external regulator (supplied by installer , for propane/LP units onl.
www .desatech.com 1 16526-01A 1 1 INST ALLA TION Continued BUIL T -IN FIREPLACE INST ALLA TION Built-in installation of this fireplace involves installing fireplace into a framed-in enclosure. This makes the front of fireplace flush with wall. An optional trim kit accessory is available (see Accessories, page 40).
www .desatech.com 1 16526-01A 12 15" 18" 21" 23" 2 1 / 2 " 6" 8" 10" Note: A ll vertical measurements are from top of fireplace opening to bottom of mantel shelf. All measurements are in inches. 10. If using optional trim kit, install the trim after final finishing and/or painting of wall.
www .desatech.com 1 16526-01A 13 4. Place man tel aroun d fireplac e on ba se (see Figure 12). 5. Assemble perimeter trim kit. See Assembling Perimeter T rim . 6. Firmly snap perimeter trim kit on shoulder screws. Shoulder screws are located on fire - place cabinet (see Figure 12).
www .desatech.com 1 16526-01A 14 INST ALLA TION Continued 3 2 1 O F F P I L O T O N H I L O Figure 14 - Installing Blower Bracket Assembly (Remote-Ready Unit Shown) Wire Harness Blower Bracket Assembl.
www .desatech.com 1 16526-01A 15 INST ALLA TION Continued Red Red Fan Switch (Auto/Off/On) Blue Blue Thermostat Switch (N.O.) Green White Green White On 1 10/1 15 V .
www .desatech.com 1 16526-01A 16 Installation must include an equipment shutoff va lv e, un io n and pl ug ged 1/8" NPT tap. Loca te NPT tap within reach for test gauge hook up. NPT tap must be upst ream fro m he ater (see Fig ure 20). IMPORT ANT : Install equipment shutoff valve in an accessible location.
www .desatech.com 1 16526-01A 17 INST ALLA TION Continued W e recommend that you install a sediment trap in supply line as shown in Figure 20, page 16. Locate sedime nt trap where it is within reach for cleaning. Install in piping system between fuel supply and heater .
www .desatech.com 1 16526-01A 18 INST ALLA TION Continued CAUTION: Make sure exter- nal regulator has been installed betwe en propane/ LP supply and fireplace. See guidelines under Connecting to Gas Supply , page 16. Pr es su re T es tin g Ga s S upp ly P ipin g Sy ste m T est Pressures In Excess Of 1/2 PSIG (3.
www .desatech.com 1 16526-01A 19 OPTIONAL WIRELESS HAND-HELD REMOTE CONTROL ACCESSORIES Remote-Ready Models Only (HRC100 Series & HRC200 Series) Installing Receiver 1. Disconnect wires from the control valve (see Figure 26) . 2. Locate the battery clip mounted on the back of the receiver (see Figure 27).
www .desatech.com 1 16526-01A 20 INST ALLA TION Continued 4. Gently remove the cover of the thermostat from the base. Grasp the sides of the cover firmly and pull to separate from the base. 5. Fe ed the ele ct ri ca l wi re s th ro ug h th e re ct an gul ar slot s on eac h si de o f th e bas e (s ee F igur e 31 ).
www .desatech.com 1 16526-01A 21 INST ALLING LOG SET AND SCREEN 1. Remove log packaging material and discard packaging. Gently place log over burner (see Figure 33).
www .desatech.com 1 16526-01A 22 Not e: Y ou may be runnin g this fire place 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 more. This will allow air to bleed fr om the gas system.
www .desatech.com 1 16526-01A 23 OPERA TING FIREPLACE Continued OPERA TING BLOWER This blower has three settings: ON, OFF and AUT O. In the ON posi tion , the blowe r will oper - ate constantly .
www .desatech.com 1 16526-01A 24 OPERA TING FIREPLACE Continued 5. Press in and turn control knob counter- clockwise t o t he PI LOT pos iti on. Press in control knob for five (5) seconds (see Figure 38). Not e: Y ou may be runnin g this fire place for the first time after hooking up to gas sup - ply .
www .desatech.com 1 16526-01A 25 OPERA TING FIREPLACE Continued OPTIONAL HAND-HELD REMOTE OPERA TION Note: All remote control accessories must be purchased separately (see A c c es s o ri e s , page 40). Follow instructions included with the remote contr ol.
www .desatech.com 1 16526-01A 26 OPERA TING FIREPLACE Continued Auto (Thermostatic) Mode 1. Press the POWER and LOCK buttons together to turn on the hand-held remote control. 2. Press AUTO button to select this mode. 3. Set the desir ed room temperatur e by press - ing the TEMP + or - buttons.
www .desatech.com 1 16526-01A 27 INSPECTING B URNERS Check pilot flame pattern and burner flame pat- terns often. PILOT FLAME P A TTERN Figure 45 shows a correct pilot flame pattern. Figure 46 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the ther- mocouple.
www .desatech.com 1 16526-01A 28 W e also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt. T o clean these parts we recommend using compressed air no greater than 30 PSI. Y our local computer store, hardware store or home center may carry compressed air in a can.
www .desatech.com 1 16526-01A 29 TROUBLESHOO TING W A RN IN G: T u r n of f an d u n pl ug fi re pl ac e an d le t co ol be fo re se rv ic in g . On ly a qua lifi ed se rvi ce pe r so n s ho ul d s er vic e and re pa ir fire pl ace . CAUTION: Never use a wire, needle or similar object to clean ODS/pilot.
www .desatech.com 1 16526-01A 30 POSSIBLE CAUSE 1. Control knob not fully pressed in 2. Control knob not pressed in long enough 3. Safety interlock system has been triggered 4. Equipment shutoff valve not fully open 5. Pilot flame not touching ther - mocouple, which allows ther - mocouple to cool, causing pilot flame to go out.
www .desatech.com 1 16526-01A 31 TROUBLESHOO TING Continued POSSIBLE CAUSE 1. Residues from manufacturing processes and log curing 2. Not enough air 3. Gas regulator defective 1. Turning control knob to HI position when burner is cold 2. Air in gas line 3.
www .desatech.com 1 16526-01A 32 TROUBLESHOO TING Continued WA RNI NG : I f y ou sm ell g as • 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.
www .desatech.com 1 16526-01A 33 SPECIFICA TIONS Thermostat Models: VDCFTPB VDCFTNB Btu/Hr 17/26,000 17/26,000 T ype Gas Propane/LP Gas Only Natural Gas Only Ignition Piezo Piezo Manifold Pressure 8" W .C. 3.5" W .C. Inlet Gas Pressure (in. of water) Maximum 14" 10.
www .desatech.com 1 16526-01A 34 ILL USTRA TED P ARTS BREAKDOWN FIREBOX MODELS VDC 8 8 19 19 19 19 19 19 19 1 9 9 10 10 10 16 17 10 10 14 6 3 1 1 12 13 1 1 15 16 18 16 16 16 16 16 16 2 5 16 16 16 16 7.
www .desatech.com 1 16526-01A 35 KEY NO. P ART NUMBER DESCRIPTION QTY . 1 ** Outer Casing T op 1 2 ** Baffle 1 3 ** Outer Casing 1 4 104281-02BR Firebox Hood 1 5 ** Firebox T op 1 6 ** Firebox Wrapper 1 7 1 10339-01CK Outer Base 1 8 102635-02 Front Left and Right Sides 2 9 103209-05 Extruded Louver 2 10 098304-02 Screw , PPH AB 6-20 x .
www .desatech.com 1 16526-01A 36 ILL USTRA TED P ARTS BREAKDOWN THERMOST A T MODELS VDCFTPB AND VDCFTNB 8 7 5 6 6 12 2 4 19 18 15 16 9 9 17 1 1 14 3 13 20 9 1 21 10.
www .desatech.com 1 16526-01A 37 P ARTS LIST THERMOST A T MODELS This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 42 of this manual. KEY P ART NUMBERS NO.
www .desatech.com 1 16526-01A 38 ILL USTRA TED P ARTS BREAKDOWN REMOTE-READY MODELS VDCFRNB AND VDCFRPB O F F P I L O T O N H I L O 16 15 15 16 12 12 1 1 9 9 9 10 5 17 18 13 19 2 1 4 3 14 7 6 8 20 Nat.
www .desatech.com 1 16526-01A 39 P ARTS LIST REMOTE-READY MODELS This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 42 of this manual. KEY P ART NUMBERS NO.
www .desatech.com 1 16526-01A 40 ACCESSORIES NOTICE: All accessories may not be available for all fireplace models. Pu rch as e the se fire pl ac e acc ess or ie s fro m your loca l dea ler. If they can not supply thes e acce sso ries , cal l DESA Heating Pro duct s at 1-8 66-67 2-60 40 for re - fe rra l info rm ati on .
www .desatech.com 1 16526-01A 41 ACCESSORIES Continued RECEIVER AND HAND-HELD THERMOST A T REMOTE CONTROL KIT - HRC200 SERIES For remote-ready mo de ls only . Allows the fire- place to be operated in a manually or thermostati - cally controlled mode.
www .desatech.com 1 16526-01A 42 SERVICE HINTS When Gas Pressure Is T oo Low • pilot will not stay lit • burners will have delayed ignition • fireplace will not produce specified heat • for propane/LP units, propane/LP gas supply may be low Yo u may feel you r gas pres sure is too low.
www .desatech.com 1 16526-01A 43 _____________________________________________________ _____________________________________________________ _____________________________________________________ _____.
2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com 1 16526-01 Rev . A 03/05 NOT A UPC 116526 01 LIMITED WARRANTY VENT -FREE COMP ACT CLASSIC HEARTH ® DESA Heating Pr.
An important point after buying a device Desa VDCFTNB (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 VDCFTNB 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 VDCFTNB - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa VDCFTNB you will learn all the available features of the product, as well as information on its operation. The information that you get Desa VDCFTNB will certainly help you make a decision on the purchase.
If you already are a holder of Desa VDCFTNB, 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 VDCFTNB.
However, one of the most important roles played by the user manual is to help in solving problems with Desa VDCFTNB. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa VDCFTNB 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
