UNVENTED (VENT-FREE) BLUE FLAME GAS GARAGE HEATER SAFETY INFORMATION AND INSTALLATION MANUAL BG30N, BG30NT, BG30P, BG30PT, FG30N, FG30NT, FG30P, FG30PT, GG30N, GG30NT, GG30P, GG30PT, RG30N, RG30NT, RG30P, RG30PT, GMG30N, GMG30NT, GMG30P, GMG30PT 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.
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures. For assistance or additional information consult a qualified installer, 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.
SAFETY INFORMATION IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock and carbon monoxide poisoning. DANGER: Carbon monoxide poisoning may lead to death! Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness or nausea.
PRODUCT IDENTIFICATION SAFETY INFORMATION Continued 6. Keep all air openings in front and bottom of heater clear and free of debris. This will insure enough air for proper combustion. 7. If heater shuts off, do not relight until you provide fresh, outside air. If heater keeps shutting off, have it serviced. 8. Do not run heater • where flammable liquids or vapors are used or stored • under dusty conditions 9. Before using furniture polish, wax, carpet cleaner or similar products, turn heater off.
AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Todayʼs homes are built more energy efficient than ever. New materials, increased insulation and new construction methods help reduce heat loss in homes.
AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-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 adjoining rooms with doorless passageways or ventilation grills between the rooms. 1. Determine the volume of the space (length x width x height). Length x Width x Height =__________cu. ft.
AIR FOR COMBUSTION AND VENTILATION Outlet Air Continued Ventilated Attic Outlet Air 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 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 2). You can also remove door into adjoining room (see option 3, Figure 2).
INSTALLATION Continued INSTALLATION ITEMS Before installing heater, make sure you have the items listed below. • for propane/LP gas, external regulator (supplied by installer) • piping (check local codes) • sealant (resistant to propane/LP gas) • equipment shutoff valve * • ground joint union • sediment trap • tee joint • pipe wrench • for natural gas, test gauge connection* * A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection.
INSTALLATION Continued THERMOSTAT SENSING BULB (Thermostat Models Only) The thermostat sensing bulb has been placed below the heater. 1. Place clamp on thermostat sensing bulb as shown in Figure 5. Clamp is provided in hardware package. 2. Snap clamp into upper mounting hole as shown in Figure 5. Mounting hole is located on lower left edge on back of heater. Make sure the thermostat sensing bulb is pointing up.
INSTALLATION Continued 2. Mark screw locations on wall (see Figure 8). Note: Only mark last hole on each end of mounting bracket. Insert mounting screws through these holes only. 3. Remove tape and mounting bracket from Adjoining Wall 12" Min. 14" Only Insert Mounting Screws Through Last Hole On Each End 32" Min.
INSTALLATION Continued Installing Bottom Mounting Screws 1. Locate two bottom mounting holes. These holes are near bottom on back panel of heater (see Figure 12). 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 10. If installing bottom mounting screw into wall stud, drill holes at marked locations using 9/64" drill bit. 5.
INSTALLATION Continued CONNECTING TO GAS SUPPLY WARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator. WARNING: A qualified service person must connect heater to gas supply. Follow all local codes. WARNING: For natural gas, neverconnectheatertoprivate(nonutility) gas wells. This gas is commonly known as wellhead gas. IMPORTANT: For natural gas, check gas line pressure before connecting heater to gas line. Gas line pressure must be no greater than 10.
INSTALLATION Continued IMPORTANT: Hold the pressure regulator with wrench when connecting it to gas piping and/or fittings. Do not over tighten pipe connection to regulator. The regulator body could be damaged. Pressure Regulator Heater Cabinet Test Gauge Connection* 3/8" NPT Pipe Nipple Tee Joint Reducer Bushing to 1/8" NPT Ground Joint Union Equipment Shutoff Valve* WARNING: Never use an open flame to check for a leak. Apply a noncorrosive leak detection fluid to all joints.
INSTALLATION Thermostat Gas Valve Continued 2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air. 3. Check all joints from gas meter for natural gas (see Figure 17) or propane/LP supply tank for propane/LP gas, to equipment shutoff valve (see Figure 18). Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak. 4.
OPERATING HEATER MANUAL CONTROL MODELS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion 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. B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
Shutting Off Heater 1. Press in and turn control knob clockwise to the PILOT position. to the 2. Turn control knob clockwise OFF position. 3. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) Turn control knob clockwise to the PILOT position. MANUAL LIGHTING PROCEDURE 1. Remove front panel (see Figure 7, page 9). 2. Follow steps 1 through 5 under Lighting Instructions, page 15. 3. With control knob pressed in, strike match.
OPERATING HEATER TO TURN OFF GAS TO APPLIANCE Continued 6. With control knob pressed in, push down and release ignitor button. This will light pilot. The pilot is attached to the front of burner. The pilot is attached to the front of the burner. If needed, keep pressing ignitor button until pilot lights. Note: If pilot does not stay lit, refer to Troubleshooting, page 20. Also contact a qualified service person or gas supplier for repairs. Until repairs are made, light pilot with match.
INSPECTING HEATER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 23 shows a correct pilot flame pattern. Figure 24 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater will shut down.
CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc. WARNING: Failure to keep the primary air opening(s) of the burner(s) clean may result in sooting and property damage.
TROUBLESHOOTING WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE When ignitor button is pressed, 1. Ignitor electrode positioned there is no spark at ODS/pilot wrong 2. Ignitor electrode broken 3.
TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame goes 1. Control knob not fully pressed in 1. Press in control knob fully out when control knob is re- 2. Control knob not pressed in 2. After ODS/pilot lights, keep conleased long enough trol knob pressed in 30 seconds 3. Safety interlock system has 3. Wait one minute for safety inbeen triggered terlock system to reset. Repeat ignition operation 4. Equipment shutoff valve not 4.
TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE Yellow flame during burner 1. Not enough air combustion 2. Gas regulator defective 3. Clogged or dirty burner REMEDY 1. Check burner for dirt and debris. If found, clean burner (see Cleaning and Maintenance, page 19) 2. Replace gas regulator 3. Clean burner (see Cleaning and Maintenance, page 19) Slight smoke or odor during initial 1. Residues from manufacturing 1.
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. • If you cannot reach your gas supplier, call the fire department. IMPORTANT: Operating heater where impurities in air exist may create odors.
SPECIFICATIONS Btu (Variable) Type Gas Ignition Pressure Regulator Setting Inlet Gas Pressure (in. of water) Maximum Minimum Dimensions, Inches (H x W x D) Heater Carton Weight (pounds) Heater Shipping BG30N, FG30N, GG30N, RG30N, GMG30N BG30NT, FG30NT, GG30NT, RG30NT, GMG30NT 15,000/30,000 Natural Only Piezo 3" W.C. 10.5" 4" 24 1/4 x 25 3/4 x 7 26 3/8 x 28 1/8 x 10 28 33 BG30P, FG30P, GG30P, RG30P, GMG30P BG30PT, FG30PT, GG30PT, RG30PT, GMG30PT 15,000/30,000 Propane/LP Only Piezo 8" W.C.
SERVICE HINTS REPLACEMENT PARTS When Gas Pressure Is Too Low • pilot will not stay lit • burner will have delayed ignition • heater will not produce specified heat • propane/LP gas supply may be low You may feel your gas pressure is too low. If so, contact your local natural or propane/LP gas supplier. Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.
ILLUSTRATED PARTS BREAKDOWN MODELS BG30N, BG30P, FG30N, FG30P, GG30N, GG30P, RG30N, RG30P, GMG30N, GMG30P 15 7 20 1 21 4 5 9 17 12 13 11 9 10 14 18 19 8 16 3 6 2 26 www.desatech.
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 25 of this manual. PART NUMBER KEY NO.
ILLUSTRATED PARTS BREAKDOWN MODELS BG30NT, BG30PT, FG30NT, FG30PT, GG30NT, GG30PT, RG30NT, RG30PT, GMG30NT, GMG30PT 15 7 1 5 4 10 17 12 13 11 9 10 14 18 19 8 16 6 3 2 28 www.desatech.
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 25 of this manual. PART NUMBER KEY NO.
ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central (see page 31) or call DESA Heating Products at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual. EQUIPMENT SHUTOFF VALVE GA5010 For all models. Equipment shutoff valve with 1/8" NPT tap. FAN KITS - GA3250T For all models. Provides better heat distribution. Makes heater more efficient.
PARTS CENTRALS These Parts Centrals are privately owned businesses. They have agreed to support our customerʼs needs by providing original replacement parts and accessories. Tool & Equipment, Co. 5 Manila Ave Hamden, CT 06514-0322 1-800-397-7553 203-248-7553 Parts Department Washer Equipment Co. 1715 Main Street Kansas City, MO 64108-2195 KS, MO, AR 816-842-3911 www.washerparts.com Portable Heater Parts 342 N. County Rd.
WARRANTY INFORMATION KEEP THIS WARRANTY Model ____________________________________ Serial No. __________________________________ Date of Purchase ____________________________ 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.
