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DESA INTERNATIONAL
UNVENTED (VENT-FREE)
PROPANE GAS LOG HEATER
(Manually Control Models Also Designed Certified as Vented Decorative Appliance)
This appliance may be installed in an aftermarket* manufactured (mobile) home,
where not prohibited by state or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
OWNER’S OPERATION AND INSTALLATION MANUAL
®
18", 24", and 30" Log Sets
Thermostat and Manually-Controlled Models
WARNING: Improper installation, ad
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SECTION PAGE CONTENTS Safety Information ................................................................................... 2 Product Identification .............................................................................. 4 Local Codes ............................................................................................. 4 Unpacking................................................................................................ 4 Product Features ....................................
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WARNINGS Continued WARNING ICON G 001 SAFETY WARNING: Any change to this heater or its controls can be dangerous. 1. This appliance is only for use with the type of gas indicated on the rating plate. This INFORMATION appliance is not convertible for use with other gases. Continued 2. Do not place propane supply tank(s) inside any structure. Locate propane supply tank(s) outdoors. 3. If you smell gas • shut off gas supply • do not try to light any appliance • do not touch any electrical switch;
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Crossover Log Front Log Rear Log PRODUCT IDENTIFICATION Front Rear Burner Burner Piezo Ignitor Left Front Branch Right Front Branch Base Assembly Control Knob Figure 1 - Vent-Free Gas Log Heater Install and use heater with care. Follow all local codes. In the absence of local LOCAL CODES codes, use the latest edition of The National Fuel Gas Code ANSI Z223, also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protect
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AIR FOR WARNING COMBUSTION This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation AND air. Read the following instructions to insure proper fresh air for VENTILATION this and other fuel-burning appliances in your home. Today’s homes are built more energy efficient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows an
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DETERMINING AIR FLOW FOR HEATER LOCATION AIR FOR Determining if You Have a Confined or Unconfined Space COMBUSTION Use this work sheet to determine if you have a confined or unconfined space. AND Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. VENTILATION 1. Determine the volume of the space (length x width x height). Continued Length x Width x Height = ___________________ cu. ft. (volume of spa
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AIR FOR WARNING WARNING ICON G 001 COMBUSTION If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combus- AND tion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3. VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provid
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INSTALLING NOTICE A qualified service person must install heater. Follow all local codes. NOTICE State or local codes may only allow operation of this appliance in a vented configuration. Check your state or local codes. WARNING WARNING ICON G 001 Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. Inspect chimney flue for damage. If damag
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INSTALLATION AND CLEARANCES (Vent-Free Operation Only) INSTALLING Continued WARNING Maintain the minimum clearances. If you can, provide greater clear- ances from floor, ceiling, and adjoining wall. MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling Floor 18", 24", 30" 16" 42" 5" LOG SIZING REQUIREMENTS Log Minimum Firebox Size Size Height Depth Front Width Rear Width 18" 17" 14" 20" 14" 24" 17" 14" 26" 18" 30" 17" 14" 32" 22" Carefully follow the instructions below.
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INSTALLING NOTICE Manual control heaters may be used as a vented Continued product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, non-combustible material above fireplace opening is not needed. Go to Installing Damper Clamp Accessory for Vented Operation, page 13. Minimum Non Combustible Material Clearances If Not Using Mantel Note: If using a mantel, go to page 11. If not using a mantel, follow the information on this page. You must have no
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Minimum Non Combustible Material Clearances INSTALLING If Using Mantel Continued You must have non combustible material(s) above the fireplace opening. Non combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have non combustible material behind it. Non combustible material must extend at least 8 inches up (for all models). If non combustible material is less than 12", you must install the fireplace hood accessory (24" and 30" mode
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Mantel Shelf INSTALLING 12" Underside of 10" Mantel Shelf Continued 8" 6" 1 2 /2" All minimum distances are in inches Minimum Non- Combustible Log Sets Material 8" 12" 15" 18" 20" 18", 24", Min. & 30" Models Top of Fireplace Opening Hood Distances to (GA6050, GA6052) Underside of Mantel Figure 7 - Minimum Mantel Clearances When Using Hood If your installation does not meet the above minimum clearances, you must: • operate the logs only with the flue damper open, OR • raise the mantel to an
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INSTALLING DAMPER CLAMP ACCESSORY FOR INSTALLING VENTED OPERATION Continued Note: When used as a vented heater, appliance must be installed only in a solid- fuel burning fireplace with a working flue and constructed of non combustible material. If your heater is a manually controlled model, you may use this heater as a vented product. There are three reasons for operating your heater in the vented mode. 1. The fireplace does not meet the clearance to combustibles requirements for vent-free opera
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INSTALLING HEATER BASE ASSEMBLY INSTALLING Continued WARNING WARNING ICON G 001 You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak. WARNING WARNING ICON G 001 If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. This will insure adequate air flow and guard against soot- ing. Raise fireplace floor with non-combustible material. Mak
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INSTALLING Continued Masonry Screw Mounting Bracket Figure 12 - Attaching Mounting Brackets to Heater CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. CAUTION WARNING ICON G 001 Never connect heater directly to the propane supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane supply. Installation Items Needed Before installing heater, make sure you have
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The installer must supply an external regulator. The external regulator will reduce INSTALLING incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pressure, heater regulator Continued damage could occur. Install external regulator with the vent pointing down as shown in Figure 13. Pointing the vent down protects it from freezing rain or sleet. Propane Supply Tank External Regulator Vent Pointing Down Figure 13 - Ext
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INSTALLING CAUTION WARNING ICON G 001 Continued Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. A.G.A. Design-Certified Manual Shutoff Valve From With 1/8" NPT Tap* Approved Flexible External Regulator Gas Hose (if allowed (11" W.C.** to by local codes) 14" W.C. Pressure) Gas Regulator Tee Joint Pipe 3" Minimum Nipple Cap Sediment Figure 14 - Gas Connection Trap * Purchase the optional A.G.A. design-certified manual shutoff valve from
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3. Pressurize supply piping system by either using compressed air or INSTALLING opening propane supply tank valve. 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to Continued gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. 6. Re-connect heater and manual shutoff valve to gas supply. Check re-connected fittings for leaks. Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Figure 15). 2. Pressurize supply
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INSTALLING LOGS INSTALLING Continued WARNING WARNING ICON G 001 Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with heater. 1. Slide rear log (#1) into place b
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FOR YOUR SAFETY READ BEFORE LIGHTING OPERATING HEATER WARNING WARNING ICON G 001 Thermostat- If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. Controlled Models A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier th
