Table of Contents
Advertisement
VENT-FREE NATURAL GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
FA-20BB
FAS-20BB
FA-30BB
FAS-30BB
FGH-30NGB
20,000 and 30,000
Btu/Hr 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.
This appliance may be installed in an aftermarket*, permanently located, manufac-
tured (mobile) home, where not prohibited by local codes.
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.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
BLUE FLAME
Save this manual for future reference.
WARNING: Improper instal-
lation, adjustment, alteration,
service, or maintenance can
cause injury or property dam-
age. Refer to this manual for
correct installation and op-
erational procedures. For as-
sistance or additional infor-
mation consult a qualified in-
staller, service agency, or the
gas supplier.
WARNING: This is an
unvented gas-fired heater.
It uses air (oxygen) from the
room in which it is installed.
Provisions for adequate
combustion and ventilation
air must be provided. Refer
to Air For Combustion and
Ventilation section on page
4 of this manual.
Advertisement
Table of Contents
Related Manuals for Desa Glo-Warm FA-20BB
Summary of Contents for Desa Glo-Warm FA-20BB
- Page 1 BLUE FLAME VENT-FREE NATURAL GAS HEATER OWNER’S OPERATION AND INSTALLATION MANUAL FA-20BB FAS-20BB FA-30BB FAS-30BB FGH-30NGB 20,000 and 30,000 Btu/Hr 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.
-
Page 2: Safety Information
BLUE FLAME NATURAL GAS HEATER SAFETY INFORMATION WARNINGS WARNING ICON G 001 IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. -
Page 3: Product Identification
PRODUCT IDENTIFICATION Ignitor Button Front Panel Figure 1 - Vent-Free Natural Gas Heater (Models FAS-20BB Shown) LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of National Fuel Gas Code ANS Z223.1, also known as NFPA 54*. -
Page 4: Air For Combustion And Ventilation
BLUE FLAME NATURAL GAS HEATER AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a 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 for this and other fuel-burning appliances in your home. -
Page 5: Determining Fresh-Air Flow For Heater Location
AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. -
Page 6: Ventilation Air
BLUE FLAME NATURAL GAS HEATER AIR FOR COMBUSTION AND 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 pro- vide two permanent openings: one within 12"... -
Page 7: Check Gas Type
INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your pri- mary heating system. Do not in- stall this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. - Page 8 Screws Through Last Hole On Each End Floor Models FA-30BB, FAS-30BB, and FGH-30NGB " " Min. Only Insert Mounting Screws Through Last Min. Hole On Each End Floor Models FA-20BB and FAS-20BB Figure 8 - Mounting Bracket Clearances 105568 " "...
- Page 9 INSTALLATION Continued Attaching Mounting Bracket To Wall Note: Wall anchors, mounting screws, and spacers are in hardware package. The hard- ware 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"...
-
Page 10: Connecting To Gas Supply
Use pipe of large enough diameter to allow proper gas volume to heater. If pipe is too small, undue loss of pres- sure will occur. Typical Inlet Pipe Diameters FA-20BB, 3/8" or greater FAS-20BB FA-30BB, 1/2" or greater FAS-30BB,... -
Page 11: Checking Gas Connections
INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections for leaks after installation or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. -
Page 12: To Turn Off Gas To Appliance
BLUE FLAME NATURAL GAS HEATER OPERATING HEATER Continued THERMOSTAT MODELS FAS-20BB AND FAS-30BB LIGHTING INSTRUCTIONS 1. STOP! Read the safety information column 3, page 11. 2. Make sure equipment shutoff valve is fully open. 3. Turn control knob clockwise Clockwise to the OFF position. -
Page 13: Lighting Instructions
OPERATING HEATER Continued NON-THERMOSTAT MODELS FA-20BB, FA-30BB AND FGH-30NGB FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. -
Page 14: Inspecting Burner
BLUE FLAME NATURAL GAS HEATER INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 20 shows a correct pilot flame pattern. Figure 21 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touch- ing the thermocouple. -
Page 15: Troubleshooting
TROUBLESHOOTING Note: For additional help, visit DESA International’s technical service web site at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot When ignitor button is pressed, there is... - Page 16 BLUE FLAME NATURAL GAS HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner combustion Slight smoke or odor during initial operation Heater produces a whistling noise when burner is lit White powder residue forming within de- flector unit or on adjacent walls or furniture...
- Page 17 TROUBLESHOOTING Continued 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. Follow the gas supplier’s instructions.
-
Page 18: Specifications
Bowling Green, KY 42103-3414 270-846-1199 1-800-654-8534 Fax: 1-800-846-0090 franktalk@aol.com Master Parts Dist. 1251 Mound Ave. NW Grand Rapids, MI 49504-2672 616-791-0505 1-800-446-1446 Fax: 616-791-8270 www.nbmc.com FA-20BB FAS-20BB 20,000/10,500 20,000/9,000 Natural Only Natural Only Piezo Piezo 3" W.C. 3" W.C. 10.5" 10.5"... -
Page 19: Replacement Parts
Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Techni- cal Service Department at 1-800-323-5190. When calling DESA International, have ready • your name • your address • model and serial numbers of your heater •... -
Page 20: Illustrated Parts Breakdown
BLUE FLAME NATURAL GAS HEATER ILLUSTRATED PARTS BREAKDOWN THERMOSTAT MODELS FAS-20BB FAS-30BB 24-1 24-2 ODS/Pilot Assembly 105568... -
Page 21: Parts List
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. THERMOSTAT MODELS FAS-20BB FAS-30BB FAS-20BB L98409-10 L98006-02 L98410-07 L98501-02 L98502-02 L98807-02 L98817-01 L99850-03 L98815-01 L99066-01 097159-04... - Page 22 BLUE FLAME NATURAL GAS HEATER ILLUSTRATED PARTS BREAKDOWN NON-THERMOSTAT MODELS FA-20BB, FA-30BB, AND FGH-30NGB 28-1 28-2 ODS/Pilot Assembly 105568...
- Page 23 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. NON-THERMOSTAT MODELS FA-20BB, FA-30BB, AND FGH-30NGB PART NUMBER FOR FA-20BB FA-30BB L98409-08 L98409-07...
-
Page 24: Warranty Information
VENT-FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.