Page 2 - CONTENTS; SECTION; SAFETY; WARNINGS; DANGER; Carbon monoxide poisoning may lead to death!; Propane Gas
2 102318 CONTENTS SECTION PAGE SAFETY INFORMATION WARNING ICON G 001 WARNINGS IMPORTANT: Read this owner’s manual carefully and completely beforetrying to assemble, operate, or service this heater. Improper use of thisheater can cause serious injury or death from burns, fire, explosion,electrical sh...
Page 3 - Continued
3 102318 SAFETY INFORMATION Continued WARNING ICON G 001 WARNINGS Continued 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 appliance is not convertible for use with other gases. 2. Do not...
Page 5 - WARNING; Unconfined Space; PROVIDING ADEQUATE VENTILATION; Unusually Tight Construction; and
5 102318 AIR FOR COMBUSTION AND VENTILATION WARNING ICON G 001 WARNING This heater shall not be installed in a confined space unlessprovisions are provided for adequate combustion and ventilationair. Read the following instructions to insure proper fresh air forthis and other fuel-burning appliances...
Page 6 - Determining if You Have a Confined or Unconfined Space
6 102318 AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoin...
Page 7 - VENTILATION AIR; Ventilation Air From Inside Building; Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Outdoors; Figure 2 - Ventilation Air from Inside Building
7 102318 AIR FOR COMBUSTION AND VENTILATION Continued WARNING ICON G 001 WARNING If the area in which the heater may be operated is smaller thanthat defined as an unconfined space, provide adequate combus-tion and ventilation air by one of the methods described in theNational Fuel Gas Code, ANSI Z22...
Page 8 - INSTALLING; Never install the heater; CHECK GAS TYPE
8 102318 INSTALLING NOTICE A qualified service person must install heater. Follow all local codes. WARNING ICON G 001 WARNING Before installing in a solid fuel burning fireplace, the chimney flueand firebox must be cleaned of soot, creosote, ashes and loose paintby a qualified chimney cleaner. Creos...
Page 9 - LOG SIZING REQUIREMENTS; Minimum Wall and Ceiling Clearances (see Figure 4); should not be less than 16 inches.
9 102318 INSTALLING Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Figure 4 - Minimum Clearance to Wall and Ceiling Continued WARNING ICON G 001 WARNING Maintain the minimum clearances. If you can, provide greater clear-ances from floor, ceiling, and adjoining wall. LOG SIZING REQU...
Page 10 - NOTICE; Installing Damper Clamp; Minimum Non Combustible Material Clearances; If you cannot meet these minimum clearances, you must operate; Requirements for
10 102318 Heat ResistantMaterial (A) INSTALLING Continued NOTICE You may use this heater as a vented product. Ifso, you must always run heater with chimney fluedamper open. If running heater with damper open,non-combustible material above fireplace open-ing is not needed. Go to Installing Damper Cla...
Page 11 - If Using Mantel; Non Combustible; Mantel Clearances
11 102318 Minimum Non-Combustible Material Minimum Non-Combustible Material Height Distances to Underside ofMantel Top of FireplaceOpening Underside ofMantel Shelf 12" 8" (A) 20" 14" 24 1/2 " 16 3/4 " 27 1/2 " 18 1/2 " 30" 20" All minimum distances arein inche...
Page 12 - Floor Clearances
12 102318 14"Min. Combustible Material Noncombustible Material Hearth 5"Min. Combustible Material INSTALLING Continued Floor Clearances A. If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8). B. If combustible materials...
Page 14 - CAUTION; Installation Items Needed; flexible gas hose to gas regulator of heater (see Figure 11).
14 102318 INSTALLING Continued INSTALLING HEATER BASE ASSEMBLY WARNING ICON G 001 WARNING If installing in a sunken fireplace, special care is needed. Youmust raise the fireplace floor to allow access to heater controlpanel. This will insure adequate air flow and guard against soot-ing. Raise firepl...
Page 15 - Figure 12 - Attaching Mounting Brackets to Heater; CONNECTING TO GAS SUPPLY; • external regulator (supplied by
15 102318 INSTALLING Continued MountingBracket Masonry Screw 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. WARNING ICON G 001 CAUTION Never connect heater directly to the propane ...
Page 16 - Figure 13 - External Regulator With Vent Pointing Down
16 102318 INSTALLING Continued The installer must supply an external regulator. The external regulator will reduceincoming gas pressure. You must reduce incoming gas pressure to between 11 and14 inches of water. If you do not reduce incoming gas pressure, heater regulatordamage could occur. Install ...
Page 17 - Figure 14 - Gas Connection; Pressure Testing gas Supply Piping system; Test Pressures In Excess Of 1/2 PSIG; Connecting to Gas Sup-; CHECKING GAS CONNECTIONS
17 102318 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap GasRegulator From External Regulator (11" W.C.** to 14" W.C. Pressure) A.G.A. Design-CertifiedManual Shutoff ValveWith 1/8" NPT Tap* Approved FlexibleGas Hose (if allowedby local codes) WARNING ICON G 001 CAUTION Avoid dama...
Page 18 - Test Pressures Equal To or Less Than 1/2 PSIG; Pressure Testing Heater Gas Connections; Figure 15 - Manual Shutoff Valve; Figure 16 - Checking Gas Joints
18 102318 ON POSITION OFF POSITION 3. Pressurize supply piping system by either using compressed air or opening propane supply tank valve. 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once....
Page 19 - INSTALLING LOGS
19 102318 INSTALLING Continued WARNING Failure to position the parts in accordance with these diagrams orfailure to use only parts specifically approved with this heater mayresult in property damage or personal injury. INSTALLING LOGS Each log is marked with a number. These numbers will help you ide...
Page 22 - OPERATING; FOR YOUR SAFETY READ BEFORE LIGHTING; LIGHTING INSTRUCTIONS; fireplace screen is closed before running heater.
22 102318 PILOT OFF LO HI OPERATING HEATER 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Turn control knob clockwise Clockwise to the OFF position. Figure 22 - Control Knob and Ignitor Button Location Control Knob Ignitor Button 4. Wait five (5) minu...
Page 23 - TO TURN OFF GAS TO APPLIANCE; Shutting Off Heater; Shutting Off Burners Only (pilot stays lit); VARIABLE CONTROL OPERATION
23 102318 OPERATING HEATER Continued 5. Turn control knob counterclockwise C-clockwise to the PILOT position. Press in control knob for five (5) seconds (see Page 22). Note: You may be running this heater for the first time after hooking up to gas supply. If so, the control knob may need to be press...
Page 24 - Check pilot flame pattern and burner flame patterns often.; PILOT FLAME PATTERN; If pilot flame pattern is incorrect, as shown in Figure 25; FRONT BURNER FLAME PATTERN; If front burner flame pattern is incorrect, as shown in Figure 27
24 102318 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 24 shows a correct pilot flame pattern. Figure 25 shows an incorrect pilot flamepattern. The incorrect pilot flame is not touching the thermocouple. This will cause thethermocouple to c...
Page 25 - Turn off heater and let cool before cleaning.; SHOOTING; shooting items are; REMEDY; ODS/PILOT AND BURNERS
25 102318 CLEANING AND MAINTENANCE WARNING ICON G 001 WARNING Turn off heater and let cool before cleaning. WARNING ICON G 001 CAUTION You must keep control areas, burners, and circulating air passage-ways of heater clean. Inspect these areas of heater before eachuse. Have heater inspected yearly by...
Page 28 - If you smell gas; Operating heater where impurities in air exist may create odors.; See Warning
28 102318 TROUBLE- SHOOTING Continued WARNING ICON G 001 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 n e i g h b o r ’ s p h o n e . F o l l...
Page 29 - SPECIFICATIONS; When gas pressure is too low; SERVICE
29 102318 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical Service Department at1-800-DESA LOG (1-800-337-2564). SPECIFICATIONS 24" MODEL Btu (Variable) 20,000/33,000 Type Gas Propane Only Ignition Pi...
Page 30 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready; REPLACEMENT
30 102318 Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replacementpart(s), call DESA International’s Technical Service Department...
Page 31 - ACCESSORIES
31 102318 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supplythese accessories, call DESA International’s Sales Department at 1-800-432-2382for information. You can also write to the address listed on the back page of thismanual. MANUAL SHUTOFFVALVE - GA50...
Page 33 - PARTS LIST
33 102318 This list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts on page 30 of this manual. PARTS LIST KEYNO. PART NUMBER DESCRIPTION QTY. 1L 102474-01 Left Front Log (#1) 1 1R 102474-02 Right Front Log (#1R) 1 2 102475-01...
Page 34 - Notes
34 102318 Notes ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________...
Page 36 - KEEP THIS WARRANTY; WARRANTY INFORMATION; LIMITED WARRANTY; INTERNATIONAL
KEEP THIS WARRANTY WARRANTY INFORMATION Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standardwritten warranty. We make no other warranty, expressed or im...