Instruction/ maintenance manual of the product SMA18VPA Desa
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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.
www .desatech.com 1 14744-01B 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 .
www .desatech.com 1 14744-01B 3 SAFETY INFORMA TION IMPORT ANT : Read this owner ’ s man ual care ful ly and compl etel y before trying to assemble, op- erate or service this log set. Improper use of this log set can cause serious injury or death from burns, fire, explosion, electrical shock and carbon monoxide poisoning.
www .desatech.com 1 14744-01B 4 Keep the appliance area clear and free from combustible ma- terials, gasoline and other flam- mable vapors and liquids.
www .desatech.com 1 14744-01B 5 PRODUCT IDENTIFICA TION Figure 1 - Product Identification 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 14744-01B 6 AIR FOR COMB USTION AND VENTILA TION W ARNING: This heater shall not be installed in confined space or unusually tight con- struction unless provisions are provided for adequate combus - tion and ventilation air .
www .desatech.com 1 14744-01B 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 14744-01B 8 V entilation Air From Outdoors Prov ide extra fresh air by using ventilat ion grills or ducts. Y ou must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor . Connect these items directly to the outdoors or spaces open to the outdoors.
www .desatech.com 1 14744-01B 9 W ARNING: Seal any fresh air vents or ash clean-out doors located on floor or wall of fire- place. If not, drafting may cause pilot outage or sooting.
www .desatech.com 1 14744-01B 10 NOTICE: Non thermostat con- trolled heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open and damper cla mp inst al led . If r unn ing h eat er with damper open, noncombus- tible mat erial abo ve th e fir eplac e opening is not needed.
www .desatech.com 1 14744-01B 1 1 MANTEL CLEARANCES In addition to meeting noncombustible material clea ranc es, you must also meet requir ed clearan ces between fireplace opening and mantel shelf. If you do not meet the clearances listed below , you will need a hood.
www .desatech.com 1 14744-01B 12 INST ALLA TION Continued INST ALLING DAMPER CLAMP ACCESSOR Y FOR VENTED OPERA TION Not e: Whe n used as a ven ted deco rat ive, app lian ce must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material.
www .desatech.com 1 14744-01B 13 INST ALLING HEA TER ASSEMBL Y W A RN IN G: If i n s t a l l i n g i n a s u n k e n fir ep la ce , s p e c i a l ca re i s n e e d e d . Y o u mu st r a i s e th e fir e- p la c e flo o r to a ll o w a cc e ss t o he a te r c o n t r o l pa ne l.
www .desatech.com 1 14744-01B 14 CAUT ION: Use only ne w , black iron or steel pipe. Inter - nally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" diameter or greater to allow proper gas volume to heater .
www .desatech.com 1 14744-01B 15 W ARNING: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas. W e recommend that you install a sediment trap in supply line as shown in Figure 14, page 14, depending on your model. Locate sediment trap where it is within reach for cleaning.
www .desatech.com 1 14744-01B 16 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.
www .desatech.com 1 14744-01B 17 LIGHTING INSTRUCTIONS W ARNING • If fi re pl ace ha s gl as s doo rs, ne ver op era te t his he ate r wi th gl ass doo rs c lo sed . If you op - er ate hea ter wi th d oor s cl ose d, he at bu il dup i nsi de fir ep la ce wi ll ca use gl as s to bu rst .
www .desatech.com 1 14744-01B 18 OPERA TING HEA TER Continued OPTIONAL HAND-HELD REMOTE OPERA TION Note: All remote control accessories must be purchased separately (see Accessories , page 27). Follow instructions included with the remote contr ol. NOTICE: Y ou must light the pilot before using the hand-held re- mote control unit.
www .desatech.com 1 14744-01B 19 Figure 21 - On/Off Hand-Held Remote Control Unit (GHRCB) Control Button T urns Burner On and Off THERMOST A T SERIES (MODEL GHRCTB) The hand-held remote can be operated using either the manual mode (MANU) or thermo - static mode (AUTO) (see Figur e 22).
www .desatech.com 1 14744-01B 20 BURNER FLAME P A TTERN Figure 25 shows correct burner flame pattern. NOTICE: Do not mistake orange flames with yellow tipping. Dirt or other fine par ticl es ar e b urned by heater , causing brief patches of orange flame.
www .desatech.com 1 14744-01B 21 CLEANING AND MAINTENANCE W ARNING: T urn off heater and let cool before cleaning. C AUT ION : Y ou mus t keep con tro l ar eas , b urn er a nd cir cu- lat ing air pas sag ewa ys o f he ate r clean. Inspect thes e areas of heat er b efore eac h us e.
www .desatech.com 1 14744-01B 22 TROUBLESHOO TING W AR NIN G: T urn off and unp lug hea ter and let coo l bef or e ser vi ci ng . Only a qualified service person should service and repair heater . CAUTION: Never use a wire, needle or similar object to clean ODS/pilot.
www .desatech.com 1 14744-01B 23 POSSIBLE CAUSE 1. C o n tr ol k no b n o t f u ll y pr es se d i n 2. Control knob not pressed in long enough 3. Safety interlock system has been triggered 4.
www .desatech.com 1 14744-01B 24 POSSIBLE CAUSE 1. Not enough air 2. Gas regulator defective 1. Resid ues from manufa ctur ing processes and logs curing 1. Turning control knob to HI position when burner is cold 2. Air in gas line 3. Air passageways on heater blocked 4.
www .desatech.com 1 14744-01B 25 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.
www .desatech.com 1 14744-01B 26 SPECIFICA TIONS SMA18VNA/SBJ18NV A SMA24VNA/SBJ24VNA Btu (V ariable) 24,000/36,000 25,000/39,000 T ype Gas Natural Gas Only Natural Gas Only Ignition Piezo Piezo Manifold Pressure 3.5" - 1.6"W .C. 3.5" - 1.
www .desatech.com 1 14744-01B 27 W ALL-MOUNT THERMOST A T SWITCH - GWMT1 (Not Shown) For all 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.
www .desatech.com 1 14744-01B 28 ILL USTRA TED P ARTS BREAKDOWN SMA18VNA, SMA18VP A SBJ18VNA ( Shown), SBJ18PNA 1 3 4 5 21 22 2 2 7 8 9 10 1 1 6 6 12 13 14 16 15 10 20 17 18 19.
www .desatech.com 1 14744-01B 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. KEY P ART NUMBER NO. SMA18VNA SMA18VP A SBJ18VNA SBJ18VP A DESCRIPTION QTY .
www .desatech.com 1 14744-01B 30 ILL USTRA TED P ARTS BREAKDOWN SMA24VNA (Shown), SMA24VP A SBJ24VNA, SBJ24VP A 1 4 22 21 5 3 6 9 1 1 2 12 7 13 14 16 15 20 17 18 8 10 19.
www .desatech.com 1 14744-01B 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 26 of this manual. KEY P ART NUMBER NO. SMA24VNA SMA24VP A SBJ24VNA SBJ24VP A DESCRIPTION QTY .
2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com NOT A UPC WARRANTY INFORMA TION KEEP THIS WARRANTY Model Serial No. Date Purchased 1 14744-01 Rev . B 1 1/04 Always specify model and serial numbers when communicating with the factory .
An important point after buying a device Desa SMA18VPA (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 SMA18VPA 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 SMA18VPA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa SMA18VPA you will learn all the available features of the product, as well as information on its operation. The information that you get Desa SMA18VPA will certainly help you make a decision on the purchase.
If you already are a holder of Desa SMA18VPA, 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 SMA18VPA.
However, one of the most important roles played by the user manual is to help in solving problems with Desa SMA18VPA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa SMA18VPA 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
