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Desa SVYD18PRA - page 1
Save this manual for future reference. For more information, visit www.desatech.com WARNING: If the information in this manual is not followed 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 any other ...
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Desa SVYD18PRA - page 2
www.desatech.com 113084-01C 2 WARNING: The SVYD18NRA/PRA series vent-free gas log heater is only approved for use in the VCIS(*) series, PVCIS(*) series, or VH(*)A series cast iron stove models. (* Indicates Color Suffix Designation) WARNING: Improper installation, adjustment, altera- tion, service, or maintenance can cause injury or prop- erty dam ...
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Desa SVYD18PRA - page 3
www.desatech.com 113084-01C 3 SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicals known to the state of California to cause cancer or birth defects, or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of thi ...
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Desa SVYD18PRA - page 4
www.desatech.com 113084-01C 4 3. 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. Follow the gas supplier ’ s instructions • if you cannot reach your gas supplier, call t ...
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Desa SVYD18PRA - page 5
www.desatech.com 113084-01C 5 LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code, ANSI Z223.1/NFP A 54 *. *A vailable from: American National Standards Institute, Inc. 1430 Broadway New Y ork, NY 10018 National Fire Protection Association, Inc. Ba ...
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Desa SVYD18PRA - page 6
www.desatech.com 113084-01C 6 Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ven- tilation. However , in buildings of unusually tight construction, you must provide additional fresh air . Unusually tight construction is defined as construction where: a. walls and ceilings e x ...
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Desa SVYD18PRA - page 7
www.desatech.com 113084-01C 7 A. Rework worksheet, adding the space of an adjoin- ing room. If the extra space provides an uncon- fined space, remove door to adjoining room or add ventilation grills between rooms. See V entilation Air From Inside Building. B. V ent room directly to the outdoors. See V entila- tion Air Fr om Outdoors . C. Install a ...
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Desa SVYD18PRA - page 8
www.desatech.com 113084-01C 8 INSTALLATION 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. This will help circulate the he ...
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Desa SVYD18PRA - page 9
www.desatech.com 113084-01C 9 6" Minimum 48" Minimum Ceiling Floor Back Wall INSTALLATION Continued Figure 4 - Minimum Clearance to Walls and Ceiling (Stove May Vary Depending on Model) Top View Side View Front of Stove Unit 12" Minimum 12" Minimum 48" Minimum Ceiling Side Wall Side Wall Back Wall Side Wall Side Wall 12 &qu ...
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Desa SVYD18PRA - page 10
www.desatech.com 113084-01C 10 INSTALLATION Continued 9. Remove log box and heater from carton. Place heater in stove as shown in Figure 9. Use bolts from hardware kit to attach heater to stove. 10. Install door catch bolt (M8 x 1.25-55mm with two M8 hex nuts) into threaded hole on stove body (see Figure 7). Use an adjustable wrench or a 12mm socke ...
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Desa SVYD18PRA - page 11
www.desatech.com 113084-01C 11 INSTALLATION Continued CAUTION: Do not remove the data plates attached to the heater base assembly. The data plates contain important war- ranty and safety information. WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may resul ...
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Desa SVYD18PRA - page 12
www.desatech.com 113084-01C 12 INSTALLATION Continued WARNING: Never connect natural gas heater to private (non- utility) gas wells. This gas is com- monly known as wellhead gas. Installation Items Needed Before installing heater , make sure you have the items listed below . • external regulator - propane/LP only (supplied by installer) • pipin ...
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Desa SVYD18PRA - page 13
www.desatech.com 113084-01C 13 INSTALLATION Continued CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. * Purchase the optional CSA design-certified equipment shutoff valve from your dealer . See Accessories , page 27. ** Minimum inlet pressure for purpose of input adjustment. Figur ...
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Desa SVYD18PRA - page 14
www.desatech.com 113084-01C 14 INSTALLATION Continued PRESSURE TESTING HEATER GAS CONNECTIONS 1. Open equipment shutoff valve (see Figure 17, page 13). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP sup- ply tank valve. 3. Make sure control knob of heater is in the OFF position. 4. Check all joints from equip ...
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Desa SVYD18PRA - page 15
www.desatech.com 113084-01C 15 OPERATING HEATER Continued WARNING: Burners will come on automatically within one minute when the remote se- lector switch is in the ON posi- tion after the pilot is lit. 4 . Press in and turn control knob clockwise to the OFF position. 5. W ait five (5) minutes to clear out any gas. Then smell for gas, including near ...
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Desa SVYD18PRA - page 16
www.desatech.com 113084-01C 16 ON OFF REMOTE O F F P I L O T O N L O I H OPERATING HEATER Continued MANUAL LIGHTING PROCEDURE 1 . Follow steps 1 through 6 under Lighting In- structions , page 15. 2. Depress control knob and light pilot with match. 3. Keep control knob pressed in for 30 sec- onds after lighting pilot. After 30 seconds, release contr ...
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Desa SVYD18PRA - page 17
www.desatech.com 113084-01C 17 3. Press the POWER and LOCK buttons to- gether to turn off the heater . Auto (Thermostatic) Mode 1 . Press the POWER and LOCK buttons together to turn on the hand-held remote contr ol. 2. Press AUTO button to select this mode. 3. Set the desired room temperatur e by press- ing the TEMP + or - buttons. 4. Press the POW ...
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Desa SVYD18PRA - page 18
www.desatech.com 113084-01C 18 CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and cir- culating air passageways of heater clean. Inspect these ar- eas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cle ...
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Desa SVYD18PRA - page 19
www.desatech.com 113084-01C 19 TROUBLESHOOTING WARNING: Turn 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. POSSIBLE C ...
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Desa SVYD18PRA - page 20
www.desatech.com 113084-01C 20 POSSIBLE CAUSE 1. Burner orifice clogged 2. Inlet gas pressure is too low 3. Thermopile leads disconnected or improperly connected 4. Burners will not come on in remote position 1. Manifold pressure is too low 2. Burner orifice clogged 1. Burner orifice is clogged or damaged 2. Damaged burner 3. Gas regulator defectiv ...
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Desa SVYD18PRA - page 21
www.desatech.com 113084-01C 21 POSSIBLE CAUSE 1. When heated, vapors from fur- niture polish, wax, carpet cleaners, etc. may turn into white powder residue 1. Battery is not installed. Battery power is low 1. Metal expanding while heating or contracting while cooling REMEDY 1. Turn heater of f when using furniture polish, wax, carpet cleaners, or s ...
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Desa SVYD18PRA - page 22
www.desatech.com 113084-01C 22 ILLUSTRATED PARTS BREAKDOWN MODELS SVYD18PRA AND SVYD18NRA O F F P I L O T O N H I L O H I L O O F F P I L O T O N 17 17 18 19 24 15 14 16 13 12 12 11 22 23 20 10 9 21 4 8 5 3 2 21 7 6 1 ...
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Desa SVYD18PRA - page 23
www.desatech.com 113084-01C 23 PARTS 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. KEY P ART NUMBER NO . SVYD18PRA SVYD18NRA DESCRIPTION QTY . 1 104026-01 104026-01 Stov e Log 1 2 103778-01 103779-01 ODS Pilot 1 3 098249-01 09824 ...
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Desa SVYD18PRA - page 24
www.desatech.com 113084-01C 24 2 5 5 5 5 8 7-4 6 7-1 7-2 4 9 7-3 3 1R 1C 1L 10 9 10 ILLUSTRATED PARTS BREAKDOWN OXFORD™ VCIS(*) SERIES AND PVCIS(*) SERIES VICTOR HEARTH ® VH(*)A SERIES (* Indicates Color Suffix Designation) Oxford™ Stove Body Victor Hearth ® Stove Body ...
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Desa SVYD18PRA - page 25
www.desatech.com 113084-01C 25 PARTS LIST OXFORD™ VCIS(*) SERIES AND PVCIS(*) SERIES VICTOR HEARTH ® VH(*)A SERIES (* Indicates Color Suffix Designation) This list contains replaceable parts used in your heater . When ordering parts, follow the instruc- tions listed under Replacement Parts on page 26 of this manual. KEY P ART NO . NUMBER DESCRIP ...
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Desa SVYD18PRA - page 26
www.desatech.com 113084-01C 26 WIRING DIAGRAM Note: For proper operation of optional accesso- ries, the wires from the switch to the control must be connected exactly as shown. AUTO OFF ON Thermopile SPECIFICATIONS SVYD18PRA SVYD18NR A Btu (V ariable) 21,000/31,000 24,000/35,000 T ype Gas Propane/LP Natural Ignition Piezo Piezo Pressure Manifold 8& ...
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Desa SVYD18PRA - page 27
www.desatech.com 113084-01C 27 ACCESSORIES Purchase these heater accessories from your local dealer . If they can not supply these accessories, call DESA Heating Products 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 VALVE GA5010 For all models. Equipment shu ...
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Desa SVYD18PRA - page 28
Model Serial No. Date Purchased 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 113084-01 Rev. C 04/04 NOT A UPC LIMITED WARRANTY Vent-Free Gas Log Heaters and Oxford™ and Victor Hearth ® Stove Chassis DESA Heating Products warrants this product to be free from defects in materials and components for four (4) y ...
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