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VENT-FREE PROPANE
GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
14,000 to 28,000 BTU/Hr with Thermostat "A" Models
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 appliance.
— WHAT TO DO IF YOU SMELL GAS
• 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 the fire department.
— Installation and service must be performed by a qualified installer, service
agency, or the gas supplier.
Save this manual for future reference.
Shown with Optional
Hearth Base and Mantel
®
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Related Manuals for Master Vent-Free Gas Log Propane Gas Space Heater
Summary of Contents for Master Vent-Free Gas Log Propane Gas Space Heater
- Page 1 VENT-FREE PROPANE GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL Shown with Optional Hearth Base and Mantel 14,000 to 28,000 BTU/Hr with Thermostat “A” Models 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. —...
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Page 2: Table Of Contents
SECTION PAGE CONTENTS Safety Information ................... 2 Product Identification ................4 Local Codes ..................... 4 Product Features ..................4 Unpacking ....................4 Assembly ....................5 Fresh Air for Combustion and Ventilation ..........8 Installation ....................12 Connecting to Gas Supply ............... 20 Checking Gas Connections .............. - Page 3 SAFETY WARNINGS Continued WARNING ICON G 001 INFORMATION WARNING: Any change to this heater or its controls can be dangerous. Continued 1. Use only propane gas. Do not convert heater to use different fuel type. 2. Do not place propane supply tank(s) inside any structure. Locate propane supply tank(s) outdoors.
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Page 4: Product Identification
Cabinet Front Panel Figure 1 - Vent-Free Gas Log Propane Gas Space Heater 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, also known as NFPA 54*. -
Page 5: Assembly
ASSEMBLING HEATER ASSEMBLY Tools Required: Phillips screwdriver, 5/16" hex wrench, and slotted screwdriver Removing Front Panel Of Heater 1. Remove two screws near bottom corners of front panel with Phillips screwdriver. 2. Pull bottom of front panel forward, then down (see Figure 2) . Figure 2 - Removing Front Panel of Heater Installing Log For easier installation, lay heater on its back. - Page 6 ASSEMBLY WARNING WARNING ICON G 001 Continued Always have burner shield and screen in place before operating heater. This prevents excessive temperatures on heater surfaces. Heater Cabinet Deflector Front Panel Retaining Brackets Screen Truss- Head Screw Burner Shield Screw Brass Front Screw Trim...
- Page 7 ASSEMBLY Assembling and Attaching Brass Trim 1. Remove packaging from three remaining pieces of brass trim. Continued 2. Locate four brass screws, two adjusting plates with set screws, and two shims in the hardware packet. 3. Align shim under adjusting plate as shown in Figure 6. 4.
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Page 8: Fresh Air For Combustion And Ventilation
FRESH AIR WARNING WARNING ICON G 001 This heater must have fresh air for proper operation. If not, poor fuel combustion could result. Read the following instructions to COMBUSTION insure proper fresh air for this and other fuel-burning appliances in your home. VENTILATION Today’s homes are built more energy efficient than ever. - Page 9 DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION FRESH AIR Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. COMBUSTION Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
- Page 10 FRESH AIR VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an COMBUSTION adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 8).
- Page 11 FRESH AIR VENTILATION AIR (Continued) Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two perma- COMBUSTION nent 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.
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Page 12: Installation
INSTALLATION NOTICE A qualified service person must install heater. Follow all local codes. CHECK GAS TYPE Use only propane gas. If your gas supply is not propane, do not install heater. Call dealer where you bought heater for proper type heater. INSTALLATION ITEMS Before installing heater, make sure you have the items listed below. - Page 13 INSTALLATION CAUTION WARNING ICON G 001 Continued If you install the heater in a home garage • heater pilot and burner must be at least 18 inches above floor. • locate heater where moving vehicle will not hit it. For convenience and efficiency, install heater •...
- Page 14 INSTALLATION OPTIONS INSTALLATION There are three options for mounting this heater. Continued A. Mounting heater to wall B. Mounting heater to optional hearth base C. Mounting heater with optional hearth base to optional mantel. A. MOUNTING HEATER TO WALL Mounting Bracket The mounting bracket is located on back panel of heater.
- Page 15 Attaching Mounting Bracket to Wall INSTALLATION Wall anchors, mounting screws, and spacers are in hardware package. The Note: Continued hardware package is provided with heater. Attaching to wall stud method For attaching mounting bracket to wall studs. 1. Drill holes at marked locations using 9/64" drill bit. 2.
- Page 16 INSTALLATION Installing Bottom Mounting Screws 1. Locate two bottom mounting holes. These holes are near bottom on back panel Continued of heater (see Figure 17). 2. Mark screw locations on wall. 3. Remove heater from mounting bracket. 4. If installing bottom mounting screws into hollow or solid wall, install wall anchors. Follow steps 1 through 4 under Attaching To Wall Anchor Method, page 15.
- Page 17 INSTALLATION Mounting Heater to Optional Hearth Base 1. Lay heater on its back on a table with the bottom of heater overhanging the edge Continued of the table. 2. Remove 2 shipping screws in bottom of heater. Discard shipping screws. 3.
- Page 18 C. MOUNTING HEATER WITH OPTIONAL HEARTH BASE TO OPTIONAL INSTALLATION MANTEL (The following instructions are for GMF800(A)/GMU801(A) mod- els only. For other mantels, see instructions included with mantel kit.) Continued Assembling Mantel Only use the optional mantels specified in this manual. See Accesso- IMPORTANT: ries, page 34 for proper mantel kits.
- Page 19 INSTALLATION Installing Mantel to Heater Before installing mantel to heater, the heater must be mounted on the optional Continued hearth base. See Mounting Heater on Optional Hearth Base, page 17. Follow the steps below to install mantel to heater. 1. Place mantel over heater (see Figure 22). Back side of mantel should be even with back of hearth base.
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Page 20: Connecting To Gas Supply
CONNECTING NOTICE TO GAS A qualified service person must connect heater to gas supply. Follow all local codes. SUPPLY 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. -
Page 21: Checking Gas Connections
CONNECTING Hold pressure regulator with wrench when connecting it to gas piping IMPORTANT: and/or fittings. TO GAS Burner bracket Note: SUPPLY not shown for clarity Pressure Regulator Continued 1/2" NPT Pipe Nipple Heater Ground Cabinet Union Joint Tee Joint Manual Test Reducer Shutoff... - Page 22 CHECKING 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. CONNECTIONS 5.
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Page 23: Operating Heater
OPERATING FOR YOUR SAFETY READ BEFORE LIGHTING HEATER WARNING WARNING ICON G 001 If you do not follow these instructions exactly, a fire or explo- sion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. - Page 24 OPERATING 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information HEATER at the top of page 23. If you don’t smell gas, go to the next step. Continued 5.
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Page 25: Manual Lighting Procedure
OPERATING TO TURN OFF GAS TO APPLIANCE HEATER Shutting Off Heater Continued 1. Turn control knob clockwise to the OFF position. Clockwise 2. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) 1. -
Page 26: Inspecting Burner
Check pilot flame pattern and burner flame pattern often. INSPECTING BURNER PILOT FLAME PATTERN Figure 30 shows a correct pilot flame pattern. Figure 31 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. - Page 27 INSPECTING BURNER FLAME PATTERN Figure 32 shows a correct burner flame pattern. Figure 33 shows an incorrect BURNER burner flame pattern. The incorrect burner flame pattern shows yellow tipping of the flame. It also shows the flame higher than one inch above the log. Continued When using the heater the first time, the flame will be yellow for approxi- Note:...
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Page 28: Cleaning And Maintenance
CLEANING WARNING WARNING ICON G 001 Turn off heater and let cool before cleaning. MAINTENANCE CAUTION WARNING ICON G 001 You must keep control areas, burner, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use. - Page 29 OBSERVED POSSIBLE TROUBLE- PROBLEM CAUSE REMEDY SHOOTING When ignitor button 1. Gas supply turned off 1. Turn on gas supply or Continued is pressed, there is or manual shutoff open manual shutoff spark at ODS/pilot valve closed valve but no ignition 2.
- Page 30 TROUBLE- OBSERVED POSSIBLE REMEDY PROBLEM CAUSE SHOOTING 1. Clean burner (see Burner does not light 1. Burner orifice is Continued Cleaning and Mainte- after ODS/pilot is lit clogged nance, page 28) or replace burner orifice 2. Replace burner orifice 2. Burner orifice diameter is too small 3.
- Page 31 TROUBLE- WARNING WARNING ICON G 001 SHOOTING If you smell gas • Shut off gas supply. Continued • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. •...
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Page 32: Technical Service
You may have further questions about installation, operation, or troubleshooting. TECHNICAL If so, contact DESA International’s Technical Service Department at 1-800-323-5190. SERVICE SPECIFICATIONS BTU (Variable) 14,000/28,000 Type Gas Propane Only Ignition Piezo Pressure Regulator Setting 8" W.C. Inlet Gas Pressure (in. of water) * Maximum 14"... -
Page 33: Parts Centrals
208 Carter Drive, Unit 21 Valparaiso, IN 46383 West Chester, PA 19382 All States 215-696-2670 219-462-7441 1-800-368-0803 1-800-362-6951 Cans Unlimited, Inc. Master Service Center P.O. Box 645 1184 Wilson NW Taylor, SC 29687 Walker, MI 49504 All States 616-791-4760 803-879-3009 1-800-446-1446 1-800-845-5301 Washer Equipment Co. -
Page 34: Accessories
Purchase these heater accessories from your local dealer. If they can not supply ACCESSORIES these accessories, either contact your nearest Parts Central (see page 33) or call DESA International’s Sales Department at 1-800-458-2472 for information. You can also write to the address listed on the back page of this manual. MANUAL SHUTOFF VALVE - GA5010 Manual shutoff valve with 1/8"... - Page 35 ACCESSORIES STANDARD MANTEL Unfinished - GMU801(A) Finished - GMF800(A) For use with heater and hearth base. A real oak mantel offers compact styling and completes the fireplace look. Available in finished oak or unfin- ished oak, ready to stain or paint. Complete assembly and installation instructions included.
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Page 36: Illustrated Parts List
12-1 12-2 101048... -
Page 37: Parts List
This list contains replaceable parts used in your heater. When ordering parts, follow PARTS LIST the instructions listed under Replacement Parts on page 32 of this manual. PART NUMBER DESCRIPTION QTY. 098304-01 Screw, #10 x 3/8" 100566-01CB Front Panel 100573-01BR Screen Assembly 100721-01BR Burner Shield... - Page 38 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ 101048...
- Page 39 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ 101048...
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Page 40: Warranty Information
WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased 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 standard written warranty.