Page 2 - Air for Combustion and Ventilation; section on page 6 of this manual.; TABLE OF CONTENTS
www.desatech.com 114744-01B 2 WARNING: 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, servic...
Page 3 - SAFETY INFORMATION; Carbon Monoxide Poisoning:; Get fresh air at once!
www.desatech.com 114744-01B 3 SAFETY INFORMATION IMPORTANT: Read this owner’s manual carefully and completely 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...
Page 4 - Continued
www.desatech.com 114744-01B 4 Keep the appliance area clear and free from combustible ma- terials, gasoline and other flam- mable vapors and liquids. Solid fuels shall not be burned in a fireplace in which an unvented room heater installed. Children and adults should be alerted to the hazard of high t...
Page 5 - Figure 1 - Product Identification; LOCAL CODES; National Fuel Gas Code ANSI; UNPACKING; CAUTION: Do not remove the; OPTIONAL REMOTE; Accessories; PRODUCT FEATURES; OPERATION; State of Massachusetts:
www.desatech.com 114744-01B 5 PRODUCT IDENTIFICATION 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 Z223.1/NFPA 54* *Available...
Page 6 - National Fuel; Unusually Tight Construction; b. weather stripping has been added on; and; c. caulking or sealants are applied to; Determining; Confined and Unconfined Space
www.desatech.com 114744-01B 6 AIR FOR COMBUSTION AND VENTILATION WARNING: 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. Read the following instructions to insure proper fresh air fo...
Page 7 - National Fuel Gas Code,; VENTILATION AIR; Ventilation Air From Inside Building; National
www.desatech.com 114744-01B 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. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space) If additional ventilation to adjoi...
Page 8 - Ventilation Air From Outdoors; Section 5.3, Air for Combustion and Ventilation; AIR FOR COMBUSTION; Figure 3 - Ventilation Air from Outdoors; INSTALLATION
www.desatech.com 114744-01B 8 Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You 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 ...
Page 9 - CHECK GAS TYPE; LOG SIZE
www.desatech.com 114744-01B 9 WARNING: 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. Use a heat-resistant sealant. Do not seal chimney flue damper. WARNING: Never install the heater • in a bedroom or bathroom...
Page 10 - If Not Using Mantel; tel; Figure 4 - Minimum Clearance for; Noncombustible; Installing Damper Clamp
www.desatech.com 114744-01B 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 clamp installed. If running heater with damper open, noncombus- tible material above the fireplace opening is not neede...
Page 11 - MANTEL CLEARANCES; Determining Minimum Mantel Clearance; FLOOR CLEARANCES
www.desatech.com 114744-01B 11 MANTEL CLEARANCES In addition to meeting noncombustible material clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clearances listed below, you will need a hood. Determining Minimum Mantel Clearance If ...
Page 12 - Figure 10 - Attaching Damper Clamp; Damper
www.desatech.com 114744-01B 12 INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION 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 noncombustible material.If your heater is a non...
Page 13 - INSTALLING HEATER ASSEMBLY; Figure 12 - Attaching Flexible Gas Hose; CONNECTING TO GAS SUPPLY; Installation Items Needed; Before installing heater, make sure you have the
www.desatech.com 114744-01B 13 INSTALLING HEATER ASSEMBLY WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fire- place floor to allow access to heater control panel. This will insure ade- quate air flow and guard against sooting. Raise fireplace floor with noncombus...
Page 14 - sories; Natural; Figure 13 - External Regulator With Vent
www.desatech.com 114744-01B 14 CAUTION: Use only new, 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. If pipe is too small, undue loss of volume will occur...
Page 15 - CHECKING GAS CONNECTIONS; Connecting to Gas; Figure 15 - Equipment Shutoff Valve; Open
www.desatech.com 114744-01B 15 WARNING: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas. We 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. Install in ...
Page 16 - OPERATING HEATER; FOR YOUR SAFETY READ; low these instructions exactly,; Figure 17 - Checking Gas Joints
www.desatech.com 114744-01B 16 OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: 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. When...
Page 17 - Figure 18 - Control Knob and Ignitor; Control Knob; WARNING: Burner will come; Manual Lighting Procedure
www.desatech.com 114744-01B 17 LIGHTING INSTRUCTIONS WARNING • If fireplace has glass doors, never operate this heater with glass doors closed. If you op- erate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Also if fireplace opening has vents at the bottom, you must...
Page 18 - REMOTE OPERATION; NOTICE: You must light the pilot; Figure 20 - Setting the Selector Switch,; To Lock; TO TURN OFF GAS; Shutting Off Heater; MANUAL LIGHTING; Lighting; Ignitor Electrode; just heating levels by using the
www.desatech.com 114744-01B 18 OPERATING HEATER Continued OPTIONAL HAND-HELD REMOTE OPERATION Note: All remote control accessories must be purchased separately (see Accessories , page 27). Follow instructions included with the remote control. NOTICE: You must light the pilot before using the hand-he...
Page 20 - BURNER FLAME PATTERN; NOTICE: Do not mistake orange; WIRING DIAGRAM; When Using Remote; INSPECTING BURNER; PILOT FLAME PATTERN; Pilot Burner
www.desatech.com 114744-01B 20 BURNER FLAME PATTERN Figure 25 shows correct burner flame pattern. NOTICE: Do not mistake orange flames with yellow tipping. Dirt or other fine particles are burned by heater, causing brief patches of orange flame. Figure 25 - Correct Burner Flame Pattern Figure 26 - Incor...
Page 21 - Figure 28 - Injector Holder On Outlet
www.desatech.com 114744-01B 21 CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qual- ified s...
Page 22 - TROUBLESHOOTING; WARNING: Turn off and unplug heater and let cool before servicing.; POSSIBLE CAUSE; Cleaning; OBSERVED PROBLEM
www.desatech.com 114744-01B 22 TROUBLESHOOTING WARNING: Turn off and unplug 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 trouble...
Page 25 - TANT; REMEDY
www.desatech.com 114744-01B 25 WARNING: 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. Fol- low the gas supplier’s instructions. • ...
Page 26 - PARTS UNDER WARRANTY; SERVICE HINTS; When Gas Pressure Is Too Low; TECHNICAL SERVICE
www.desatech.com 114744-01B 26 SPECIFICATIONS SMA18VNA/SBJ18NVA SMA24VNA/SBJ24VNA Btu (Variable) 24,000/36,000 25,000/39,000 Type Gas Natural Gas Only Natural Gas Only Ignition Piezo Piezo Manifold Pressure 3.5" - 1.6"W.C. 3.5" - 1.6"W.C. Inlet Gas Pressure (in. of water) Maximum 10....
Page 27 - ACCESSORIES; For all models; FIREPLACE HOOD
www.desatech.com 114744-01B 27 WALL-MOUNT THERMOSTAT 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. ACCESSORIES Purchase these heater accessories from y...
Page 28 - ILLUSTRATED PARTS BREAKDOWN
www.desatech.com 114744-01B 28 ILLUSTRATED PARTS BREAKDOWN SMA18VNA, SMA18VPA SBJ18VNA (Shown), SBJ18PNA 1 3 4 5 21 22 2 2 7 8 9 10 11 6 6 12 13 14 16 15 10 20 17 18 19
Page 29 - PARTS LIST; listed under; KEY; Grate Assembly; PARTS AVAILABLE NOT SHOWN; Lava Rock
www.desatech.com 114744-01B 29 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 PART NUMBER NO. SMA18VNA SMA18VPA SBJ18VNA SBJ18VPA DESCRIPTION QTY. 1 ** ** ** ** Grate Asse...
Page 32 - NOT A UPC; WARRANTY INFORMATION; KEEP THIS WARRANTY; Model; LIMITED WARRANTY
2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004www.desatech.com NOT A UPC WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased 114744-01Rev. B11/04 Always specify model and serial numbers when communicating with the factory.We reserve the right to amend these speci...