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VENT-FREE PROPANE/LP GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
FB-20BB
FBS-20BB
FB-30BB
FBS-30BB
FGH-30LPB
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 installa-
tion, adjustment, alteration, ser-
vice, or maintenance can cause
injury or property damage. Re-
fer to this manual for correct
installation and operational pro-
cedures. For assistance or ad-
ditional information consult a
qualified installer, service
agency, or the gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it
is installed. Provisions for ad-
equate combustion and venti-
lation air must be provided.
Refer to Air For Combustion
and Ventilation section on page
4 of this manual.
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Table of Contents
Related Manuals for Glo-warm FB-20BB
Summary of Contents for Glo-warm FB-20BB
- Page 1 BLUE FLAME VENT-FREE PROPANE/LP GAS HEATER OWNER’S OPERATION AND INSTALLATION MANUAL FB-20BB FBS-20BB FB-30BB FBS-30BB FGH-30LPB 20,000 and 30,000 Btu/Hr Models WARNING: Improper installa- WARNING: If the information in this manual is tion, adjustment, alteration, ser- not followed exactly, a fire or explosion may...
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Page 2: Safety Information
BLUE FLAME PROPANE/LP GAS HEATER SAFETY 4. This heater shall not be installed in a Due to high temperatures, the bedroom or bathroom. appliance should be located out INFORMATION 5. This heater needs fresh, outside air ven- of traffic and away from furniture tilation to run properly. -
Page 3: Product Identification
OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES Control Knob Ignitor Button SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air. -
Page 4: Air For Combustion And Ventilation
BLUE FLAME PROPANE/LP GAS HEATER AIR FOR PROVIDING ADEQUATE Confined and Unconfined Space VENTILATION COMBUSTION AND The National Fuel Gas Code ANS Z223.1 defines a confined space as a space whose The following are excerpts from National VENTILATION volume is less than 50 cubic feet per 1,000 Fuel Gas Code. -
Page 5: Determining Fresh-Air Flow For Heater Location
OWNER’S MANUAL 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 PROPANE/LP GAS HEATER AIR FOR COMBUSTION AND 12" VENTILATION Continued VENTILATION AIR Ventilation Grills Into Adjoining Room, Ventilation Ventilation Air From Inside Option 2 Grills Building into Adjoining Remove Room, Door into This fresh air would come from an adjoining Option 1 Adjoining unconfined space. -
Page 7: Check Gas Type
OWNER’S MANUAL INSTALLATION LOCATING HEATER CEILING This heater is designed to be mounted on a wall. NOTICE: This heater is intended for 36" use as supplemental heat. Use this Minimum 6" WARNING: Maintain the mini- heater along with your primary heat- Minimum mum clearances shown in Figure From... - Page 8 Floor Bulb hollow walls (wall areas between studs) or to solid walls (concrete or masonry). Models FB-20BB and FBS-20BB Decide which method better suits your needs. Figure 8 - Mounting Bracket Clearances Either method will provide a secure hold for the mounting bracket.
- Page 9 OWNER’S MANUAL INSTALLATION Installing Bottom Mounting Screws Continued Locate two bottom mounting holes. Attaching Mounting Bracket To These holes are near bottom on back Wall panel of heater (see Figure 12). Figure 9 - Folding Anchor Mark screw locations on wall. Note: Wall anchors, mounting screws, and spacers are in hardware package.
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Page 10: Connecting To Gas Supply
14" W.C. sure will occur. Plug Tap Pressure) Sediment Tee Joint Typical Inlet Pipe Diameters Trap Pipe Nipple FB-20BB, 3/8" or greater 3" Minimum FBS-20BB FB-30BB, 1/2" or greater Figure 14 - Gas Connection FBS-30BB, FGH-30LPB * An CSA/AGA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. -
Page 11: Checking Gas Connections
OWNER’S MANUAL INSTALLATION OPERATING Check all joints from propane/LP sup- ply tank to equipment shutoff valve (see Continued HEATER Figure 16). Apply mixture of liquid soap and water to gas joints. Bubbles CHECKING GAS THERMOSTAT MODELS forming show a leak. CONNECTIONS FBS-20BB AND FBS-30BB Correct all leaks at once. - Page 12 BLUE FLAME PROPANE/LP GAS HEATER OPERATING Note: If pilot goes out, repeat steps THERMOSTAT 3 through 7. This heater has a safety CONTROL HEATER interlock system. Wait one (1) minute OPERATION before lighting pilot again. Continued Turn control knob counterclockwise The thermostatic control used on these LIGHTING to desired heating level.
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Page 13: Lighting Instructions
Continued in column 1. 2. Make sure equipment shutoff valve NON-THERMOSTAT MODELS is fully open. FB-20BB, FB-30BB AND 3. Turn control knob clockwise FGH-30LPB to the OFF position (see Figure 19). 4. Wait five (5) minutes to clear out any FOR YOUR SAFETY gas. -
Page 14: Inspecting Burner
BLUE FLAME PROPANE/LP GAS HEATER INSPECTING ODS/PILOT AND BURNER WARNING: If yellow tipping • Use a vacuum cleaner, pressurized air, BURNER occurs, your heater could pro- or small, soft bristled brush to clean. duce increased levels of carbon Check pilot flame pattern and burner flame monoxide. -
Page 15: Troubleshooting
OWNER’S MANUAL TROUBLESHOOTING CAUTION: Never use a wire, WARNING: Turn off and un- needle, or similar object to clean plug heater and let cool before Note: For additional help, visit DESA ODS/pilot. This can damage ODS/ servicing. Only a qualified ser- International’s technical service website pilot unit. - Page 16 BLUE FLAME PROPANE/LP GAS HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner (see Cleaning and Mainte- nance, page 14) or replace burner orifice 2. Burner orifice diameter is too small 2.
- Page 17 OWNER’S MANUAL 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.
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Page 18: Specifications
BLUE FLAME PROPANE/LP GAS HEATER SPECIFICATIONS FB-20BB FBS-20BB FB-30BB FBS-30BB FGH-30LPB Btu (Variable) 20,000/10,500 20,000/9,000 30,000/15,000 30,000/14,000 30,000/15,000 Type Gas Propane/LP Only Propane/LP Only Propane/LP Only Propane/LP Only P r o p a n e / L P Only Ignition... -
Page 19: Replacement Parts
FLOOR MOUNTING STAND they can’t supply original replacement part(s), Model UH3000BA (Shown) - call DESA International’s Parts Department at 1-800-972-7879 for referral information. (FB-20BB and FBS-20BB) EQUIPMENT SHUTOFF Model UH5000BA - (FB-30BB, When calling DESA International, have ready VALVE - GA5010 FBS-30BB, and FGH-30LPB) •... -
Page 20: Illustrated Parts Breakdown
BLUE FLAME PROPANE/LP GAS HEATER ILLUSTRATED PARTS BREAKDOWN THERMOSTAT MODELS FBS-20BB FBS-30BB (Shown) 24-1 24-2 ODS/Pilot Assembly 105569... -
Page 21: Parts List
OWNER’S MANUAL 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 FBS-20BB FBS-30BB PART NUMBER FOR FBS-20BB FBS-30BB DESCRIPTION QTY. L98409-10 L98409-09 Cabinet Assembly... - Page 22 BLUE FLAME PROPANE/LP GAS HEATER ILLUSTRATED PARTS BREAKDOWN NON-THERMOSTAT MODELS FB-20BB, FB-30BB, AND FGH-30LPB 28-1 28-2 ODS/Pilot Assembly 105569...
- Page 23 OWNER’S MANUAL 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 FB-20BB, FB-30BB, AND FGH-30LPB PART NUMBER FOR FB-20BB FB-30BB...
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Page 24: 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. We make no other warranty, expressed or implied.
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