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Desa FAS-5B User's Manual

1. wees Heater Cabinet Figure 1 Vent Free Natural Gas Heater Model FA 5B 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 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 105566 UNPACKING l 2 Remove heater from carton Remove all protective packaging ap plied to heater for shipment Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater PRODUCT FEATURES SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS The ODS pilotis a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater THERMOSTATIC HEAT CONTROL ON THERMOSTAT MODELS FAS 3B AND FAS 5B These heaters have a control valve with a thermostat sensing bulb This results in the greatest heater comfort and may result in lower gas bills GLO WARM INFRARED NATURAL GAS HEATER FRESH AIR FOR COMBUSTION AND VENTILATION WARNING This heater shall not be installed ina confined spa
2. Decide which method better suits your needs Either method will provide a secure hold for the mounting bracket Marking Screw Locations 1 Tape mounting bracket to wall where heater will be located Make sure mounting bracket is level WARNING Maintain minimum clearances shown in Figure 8 If you can provide greater clear ances from floor and joining wall 2 Mark screw locations on wall see Fig ure 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 wall 10 1 4 17 3 8 5 Min A Z 7 A JA g Only Insert Mounting 17 2 Screws Through Last Min A Hole On Each End 4 4 Floor Model FA 5B FAS 5B 6 1 2 17 3 8 Min 4 A Only Insert Mounting 47 1 2 g Screws Through Last Min Hole On Each End 2 4 Floor Model FA 3B FAS 3B Figure 8 Mounting Bracket Clearances 105566 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 drill bit 2 Place mounting bracket onto wall Line up last hole on each end of bracket with holes drilled in wal
3. WARNING Any change to this heater or its controls can be dangerous 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 If you smell gas e 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 This heater shall not be installed in a bedroom or bathroom Never install the heater e ina recreational vehicle where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater as a fireplace insert in high traffic areas in windy or drafty areas Always run non thermostat heater with plaque control knob in a locked posi tion Never set control knob between locked positions Poor combustion and higher levels of carbon monoxide may result This heater needs fresh outside air ven tilation to run properly This heater has an oxygen depletion sensor ODS pilot light safety system The ODS shuts down the heater if not enough fresh air is available See Fresh Air for Combus tion and Ventilation pages 4 through 6 Keep all air openings in front and bot tom of heater clear and free of debris This will insure enough a
4. t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas con trol which has been under water 105566 3 Figure 19 Dual Control for Thermostat OWNER S MANUAL LIGHTING INSTRUCTIONS STOP Read the safety information column 1 Make sure manual shutoff valve is fully open Push in control knob slightly and turn clockwise X to the OFF position Be sure that the tempera ture setting knob is set at the line between level 1 and level 7 see Fig ure 19 Wait five minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety in formation in column 1 If you don t smell gas go to the next step Models FAS 3B and FAS 5B Thermocouple Ignitor Electrode Q3 Figure 20 Pilot Temperature Control Setting Knob Knob PILOT aaa FAS 3B 5 8 Pilot Burner 9 Push in and turn control knob coun terclockwise y to PILOT po sition Press in control knob for five 5 seconds Note You may be running this heater for the first time after hook ing up to gas supply If so you may need to press in control knob for 30 seconds This will allo
5. Mounting Bracket Installing Bottom Mounting Screws 1 Locate two bottom mounting holes These holes are near bottom on back panel of heater see Figure 12 Mark screw locations on wall Remove heater from mounting bracket AYN If installing bottom mounting screws into hollow or solid wall install wall anchors Follow steps through 4 un der Attaching To Wall Anchor Method If installing bottom mounting screw into wall stud drill holes at marked lo cations using 9 64 drill bit 5 Replace heater onto mounting bracket 6 Place spacers between bottom mount ing holes and wall anchor or drilled hole 7 Hold spacer in place with one hand With other hand insert mounting screw through bottom mounting hole and spacer Place tip of screw in opening of wall anchor or drilled hole 8 Tighten both screws until heater is firmly secured to wall Do not over tighten Note Do not replace front panel at this time Replace front panel after making gas connections and checking for leaks see pages 10 and 11 Figure 12 Installing Bottom Mounting Screws Continued GLO WARM INFRARED NATURAL GAS HEATER INSTALLATION Continued CONNECTING TO GAS SUPPLY NOTICE A qualified service per son must connect heater to gas supply Follow all local codes A WARNING Never connect heater to private non utility gas wells This gas is commonly known as well head gas IMPORTANT Check ga
6. ON OFF switch Thermostatically controlled UHS1000FB Includes three settings ON OFF AUTO These Parts Centrals are privately owned businesses They have agreed to support our customer s needs by providing original replacement parts and accessories Baltimore Electric 1348 Dixwell Avenue Hamden CT 06514 0322 1 800 397 7553 203 248 7553 Parts Department Portable Heater Parts 342 N County Road 400 East Valparaiso IN 46383 9704 All States 219 462 7441 1 800 362 6951 FBD 1349 Adams Street Bowling Green KY 42103 3414 502 846 1199 1 800 654 8534 Four Flags Power Products 1115 Stateline Road Niles MI 49120 4728 616 684 2697 1 800 268 4983 Parts Only 105566 Master Parts Distributors 1251 Mound Avenue NW Grand Rapids MI 49504 2672 616 791 4760 1 800 446 1446 Washer Equipment Co 1715 Main Street Kansas City MO 64108 2195 KS MO AR 816 842 3911 East Coast Energy Products 707 Broadway W Long Branch NJ 07764 1542 732 870 8809 1 800 755 8809 Tarantin Tank Co P O Box 6129 Freehold NJ 07728 6129 908 780 9340 1 800 922 0724 Heater amp Fireplace Store 1922 N Route 9 Cape May Court NJ 08210 1110 609 624 0678 FLOOR MOUNTING STAND Models FA 3B and FAS 3B UH3000BA Model FA 5B and FAS 5B UH5000BA For locating heater on the floor away from a wall Complete installation instructions provided with floor mounting stand Dayton Hardware P O Box 275 North Dayton
7. Off Gas to Appliance e see Troubleshooting pages 15 through 17 Pilot Burner Thermocouple Figure 22 Correct Pilot Flame Pattern Pilot Burner Thermocouple Figure 23 Incorrect Pilot Flame Pattern BURNER FLAME PATTERN Figure 24 shows a correct burner flame pattern Figure 25 shows an incorrect burner flame pattern If pilot flame pattern is incorrect as shown in Figure 25 e turn heater off see To Turn Off Gas to Appliance e see Troubleshooting pages 15 through 17 Figure 24 Correct Burner Flame Pattern orage Ay D Figure 25 Incorrect Burner Flame Pattern CLEANING AND MAINTENANCE WARNING Turn off heater and let cool before servicing A CAUTION You must keep control areas burner and circu lating air passageways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a quali fied service person Heater may need more frequent cleaning due to excessive lint from carpeting pet hair etc ODS PILOT AND BURNER ORIFICE e Use a vacuum cleaner pressurized air or small soft
8. Station Dayton OH 45404 0275 All States 937 258 3721 OH 1 800 762 3426 Halco Enterprises 208 Carter Drive Unit 21 West Chester PA 19382 4500 610 696 2670 1 800 368 0803 LA Porte s Parts amp Service 2444 North 5th Street Hartsville SC 29550 7704 803 332 0191 Parts Department Cans Unlimited Inc P O Box 645 Taylor SC 29687 0013 All States 803 879 3009 1 800 845 5301 INFRARED NATURAL GAS HEATER ILLUSTRATED PARTS BREAKDOWN FA 3B Burner Assembly ODS Pilot Assembly 105566 20 OWNER S MANUAL PA RT S LI ST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 18 of this manual FA 3B KEY PART NO NO FA 3B DESCRIPTION L98409 02 Cabinet Assembly L98005 02 Lower Front Panel Assembly L98410 02 Deflector Unit L98103 03 Burner Assembly L98071 01 ODS Pilot Assembly 098514 01 Thermocouple L98071 07 Ignitor Electrode L98072 01 ODS Mounting Bracket L98817 01 Self Tapping Screw L98034 01 Control Valve L98411 01 Ignitor Line L98028 01 Control Valve Bracket L98054 01 Control Valve Fixed Nut L98059 01 Control Valve Main Inlet Nut L98115 02 Main Inlet Tube Assembly L98124 02 Valve to Regulator Line Assembly L98914 01 Pilot Regulator Assembly L98125 02 Regulator to ODS Line Assembly L98117 02 Burner Gas Line Assembly A L98120 02 Burner Gas Line As
9. bristled brush to clean CABINET Air Passageways e Use a vacuum cleaner or pressurized air to clean Exterior e Use a soft cloth dampened with a mild soap and water mixture Wipe the cabi net to remove dust 105566 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 OWNER S MANUAL WARNING Turn off and un plug heater and let cool before servicing Only a qualified ser vice person should service and repair heater POSSIBLE CAUSE A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit REMEDY When ignitor button is pressed in there is no spark at ODS pilot 1 Ignitor electrode positioned wrong 2 Ignitor electrode broken 3 Ignitor electrode not connected to igni tor cable 4 Ignitor cable pinched or wet 5 Broken ignitor cable 6 Bad piezo ignitor 1 Replace ignitor 2 Replace ignitor 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 5 Replace ignitor cable 6 Replace control valve piezo is part of control valve ODS pilot lights but flame goes out when control knob is released 1 Gas supply turned off or manual shutoff valve closed 2 Control knob not fully pressed in while
10. e in high traffic areas in windy or drafty areas CAUTION If you install the heater in a home garage e heater pilot and burner must be at least 18 inches above floor locate heater where moving ve hicle will not hit it CAUTION This heater cre ates warm air currents These currents move heat to wall sur faces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as to bacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls IMPORTANT Vent free heaters add mois ture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Fresh Air for Com bustion and Ventilation pages 4 through 6 Forconvenience andefficiency install heater e where there is easy access for operation inspection and service e in coldest part of room An optional fan kit is available from your dealer See Accessories page 19 If plan ning to use fan locate heater near an electri cal outlet CEILING Minimum Sides O Heater Right Side E 2 Minimum to Top Surface of Carpeting Tile or Other Combustible Material Figure 4 Mounting Clearances As Viewed From Front of Heater Continued GLO WARM INFRARED NATURAL GAS HEATER INSTALLATION Continued INST
11. is designed to be mounted on a wall WARNING Maintain the mini mum clearances shown in Figure 4 If you can provide greater clear ances from floor ceiling and joining wall You can locate heater on floor away from a wall An optional floor mounting stand is needed Purchase the floor mounting stand from your dealer See Accessories page 19 as your primary heat source NOTICE A qualified service per son must install heater Follow all local codes CHECK GAS TYPE Use only natural gas If your gas supply is not natural 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 e piping check local codes e sealant resistant to propane LP gas e manual shutoff valve e ground joint union e test gauge connection e sediment trap e tee joint e pipe wrench AnA G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Pur chase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 19 105566 WARNING Never install the heater in a bedroom or bathroom ina recreational vehicle where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater as a fireplace insert
12. or shut off Metal expanding while heating or con tracting while cooling This is common with most heaters If noise is excessive contact qualified ser vice person White powder residue forming within burner box or on adjacent walls or furniture When heated vapors from furniture pol ish wax carpet cleaners etc turn into white powder residue www desatech com 16 Turn heater off when using furniture polish wax carpet cleaners or similar products 105566 TROUBLESHOOTING Continued OWNER S MANUAL building WARNING If you smell gas Shut off gas supply Do nottry to light any appliance Do not touch any electrical switch do not use any phone in your e 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 Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produces unwanted odors 1 Heater burning vapors from paint hair spray glues etc See IMPORTANT statement above Gas leak See Warning statement at top of page 1 Ventilate room Stop using odor caus ing products while heat
13. pressing ignitor button 3 Air in gas lines when installed 4 ODS pilot is clogged 5 Gas regulator setting is not correct 6 Control knob not in pilot position 1 Turn on gas supply or open manual shutoff valve 2 Fully press in control knob while press ing ignitor button 3 Continue holding down control knob Re peat igniting operation until air is removed 4 Clean ODS pilot see Cleaning and Maintenance page 14 or replace ODS pilot assembly 5 Replace gas regulator 6 Turn control knob to pilot position When ignitor button is pressed in there is a spark at ODS pilot but no ignition 105566 1 Control knob not fully pressed in 2 Control knob not pressed in long enough 3 Manual shutoff valve not fully open 4 Thermocouple connection loose at con trol valve 5 Pilot flame not touching thermocouple which allows thermocouple to cool causing pilot flame to go out This prob lem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot Thermocouple damaged Control valve damaged sD www desatech com 15 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Fully open manual shut off valve 4 Hand tighten until snug then tighten 1 4 turn more 5 A Contact local natural gas company B Clean ODS pilot see Cleaning and Maintenance page 14 or replace ODS pilot assembly 6 Replace therm
14. to supply original replacement part s call DESA International s Technical Service De partment at 1 800 323 5190 for information When contacting your dealer or DESA In ternational have ready e your name e your address e model and serial numbers of your heater e how heater was malfunctioning e type of gas used propane LP or natural gas e purchase date Usually we will ask you to return the defec tive part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Parts Department at 1 800 972 7879 for referral information When calling DESA Interna tional have ready e model number of your heater e the replacement part number 105566 ACCESSORIES Purchase these heater accessories from your local dealer If they can not supply these accessories contact your nearest Parts Cen tral or call DESA International s Parts De partment at 1 800 972 7879 for referral in formation You can also write to the address listed on the back page of this manual MANUAL SHUTOFF VALVE GA5010 For all models Manual shutoff valve with 1 8 NPT tap PARTS CENTRALS OWNER S MANUAL FAN KITS UH1000FB AND UHS1000FB For all models Provides better heat distri bution Makes heater more efficient Com plete installation and operating instructions included Manually controlled UH1000FB Includes
15. 0 cu ft Maximum Btu Hr the space can support Example 2560 cu ft volume of space 50 cu ft 51 2 or 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free heater Btu Hr Gas water heater Btu Hr Example Gas furnace Btu Hr Gas water heater 40 000 Btu Hr Vented gas heater Btu Hr Vent free heater 18 000 Btu Hr Gas fireplace logs Btu Hr Total 58 000 Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 51 200 Btu Hr maximum the space can support 58 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoin ing room or add ventilation grills between rooms See Ventilation Air From Inside Building page 6 B Vent room directly to the outdoors See Ventilation Air From Outdoors page 6 C Install a lower Btu Hr heater if lower B
16. 085 01 Mounting Bracket PARTS AVAILABLE NOT SHOWN 100642 01 Hardware Assembly 104892 46 AGA Decal L98098 01 Gas Instruction Decal L98100 01 Inside Warning Label L98080 02 Thermostat Sensing Bulb Clip FAS 5B ANOaRWNDN RS CE CE 2 A 1 1 1 1 1 1 1 1 1 1 5 4 1 1 2 2 4 2 4 105566 27 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 LIMITED WARRANTY GLO WARM VENT FREE NATURAL 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 To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this heater to proper operating condition and an allowance for labor when provided by aDESA Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA Int
17. ALLING HEATER TO WALL Mounting Bracket The mounting bracket is located on back panel of heater It has been taped there for shipping Remove mounting bracket from back panel Mounting Bracket Figure 5 Mounting Bracket Location Removing Front Panel Of Heater Models FAS 3B and FAS 5B 1 Remove two screws near bottom cor ners of front panel 2 Liftstraightup on grill guard until it stops Grill guard will slide up about 1 4 3 Pull bottom of front panel forward then down see Figure 6 Figure 6 Removing Front Panel of Heater Model FAS 3B Shown Removing Front Panel Of Heater Models FA 3B and FA 5B 1 Remove two screws near bottom cor ners of lower front panel 2 Pull bottom of lower front panel for ward then down see Figure 7 Figure 7 Removing Front Panel of Heater Model FA 5B Shown Methods For Attaching Mounting Bracket To Wall Only use last hole on each end of mounting bracket to attach bracket to wall These two holes are 16 inches apart from their centers Attach mounting bracket to wall in one of two ways 1 Attaching to wall stud 2 Attaching to wall anchor Attaching to Wall Stud This method provides the strongest hold Insert mounting screws through mounting bracket and into wall studs Attaching to Wall Anchor This method allows you to attach mounting bracket to hollow walls wall areas between studs or to solid walls concrete or masonry
18. Assembly L99066 01 Thermostat Valve Base L98084 01 Self Tapping Screw L98068 01 Thermostat Valve Inlet Outlet L98133 01 Thermostat Outlet Tube Assembly L98055 01 4 Way Connector L98056 01 4 Way Connector Bracket L98057 01 4 Way Connector Fixed Nut L98411 01 Ignitor Line L98071 03 ODS Pilot 098514 01 Thermocouple L98071 07 Ignitor Electrode L98072 01 ODS Mounting Bracket L98817 01 Self Tapping Screw L98124 04 Valve to Regulator Gas Line Assembly L98914 01 Pilot Regulator Assembly L98125 04 Regulator to ODS Line Assembly L98117 04 A Burner Gas Line Assembly L98120 04 B Burner Gas Line Assembly L98122 04 C Burner Gas Line Assembly L99023 01 Injector L98115 03 Main Inlet Tube Assembly L99029 05 Pressure Regulator L98801 01 Washer L98806 01 Self Tapping Screw L98010 04 Grill Guard L98011 01 Grill Fastener L98085 01 Mounting Bracket FAS 3B oo SI 0 01 BK ODO N Dir ri nm nm Vin on nnn nnn yp nm an ini PARTS AVAILABLE NOT SHOWN 100642 01 Hardware Assembly 104892 44 AGA Decal L98098 01 Gas Instruction Decal L98100 01 Inside Warning Label L98080 02 Thermostat Sensing Bulb Clip 105566 25 QUAL INFRARED NATURAL GAS HEATER ILLUSTRATED PARTS BREAKDOWN FAS 5B Pg L URSS ODS Pilot Assembly Burner Assembly 26 105566 OWNER S MANUAL PA RTS LI ST This l
19. ILOT IGN position ex eu MANUAL LIGHTING PROCEDURE 1 Follow steps 1 through 5 under Light ing Instructions 2 With control knob pressed in strike match Hold match to pilot until pi lot lights 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Figure 18 Burner Patterns 12 105566 OPERATING HEATER Continued THERMOSTAT MODELS FAS 3B AND FAS 5B 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 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 WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric 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 sup plier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don
20. INFRARED VENT FREE NATURAL GAS HEATER OWNER S OPERATION AND INSTALLATION MANUAL WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal in jury 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 e 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 WARNING Improper in stallation adjustment al teration service or mainte nance can cause injury or property damage Refer to this manual for correct in stallation and operational procedures For assis tance or additional infor mation 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 in stalled Provisions for ad equate combustion and ventilation air must be pro vided Refer to Air For Combustion and Ventila tion section on page 4 of this manual This appliance may be installed in an aftermarket m
21. Line Assembly L98914 01 Pilot Regulator Assembly L98125 01 Regulator to ODS Line Assembly L98116 01 Burner Gas Line Assembly C L98117 01 Burner Gas Line Assembly C1 L98118 01 Burner Gas Line Assembly C2 L98119 01 Burner Gas Line Assembly B L98120 01 Burner Gas Line Assembly B1 L98121 01 Burner Gas Line Assembly B2 L98122 01 Burner Gas Line Assembly A L99023 01 Injector L99047 01 T Joint L98061 01 Control Knob L98906 01 Control Rod Assembly L99029 01 Pressure Regulator L98801 01 Washer L98806 01 Self Tapping Screw L98010 01 Grill Guard L98011 01 Grill Fastener L98085 01 Mounting Bracket FA 5B NN CS EE o CR QE QE ET QE SE ETONE QE CE QT iii PARTS AVAILABLE NOT SHOWN 100642 01 Hardware Assembly 104892 42 AGA Decal L98098 01 Gas Instruction Decal L98100 01 Inside Warning Label 105566 23 INFRARED NATURAL GAS HEATER ILLUSTRATED PARTS BREAKDOWN FAS 3B Burner Assembly ODS Pilot Assembly 105566 24 OWNER S MANUAL PA RTS LI ST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 18 of this manual NO FAS 3B DESCRIPTION QTY L98409 04 Cabinet Assembly L98006 02 Front Panel Assembly L98410 04 Reflector Unit L98103 03 Burner Assembly L98135 02 Thermostat Valve
22. anufactured mobile home where not prohibited by state or local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer Save this manual for future reference GLO WARM INFRARED NATURAL GAS HEATER SAFETY INFORMATION A WARNINGS 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 A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning re semble the flu with headaches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women per sons with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Natural Gas Natural gas is odorless An odor making agent is added to natural gas The odor helps you detect a natural gas leak However the odor added to natural gas can fade Natural gas may be present even though no odor exists Make certain you read and understand all Warnings Keep this manual for reference It is your guide to safe and proper operation of this heater
23. ay result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been un der water Continued GLO WARM INFRARED NATURAL GAS HEATER OPERATING HEATER Continued i LIGHTING INSTRUCTIONS 1 STOP Read the safety information page 11 column 3 2 Make sure manual shutoff valve is fully open 3 Turn control knob clockwise lt A to the OFF position 4 Wait five minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety in formation page 11 column 3 If you don t smell gas go to the next step 5 Press in and turn control knob coun terclockwisey 7 to PILOT IGN position Press in control knob for five 5 seconds see Figure 18 Note You may be running this heater for the first time after hooking up to gas supply If so you may need to press in control knob for 30 seconds This will allow air to bleed from the gas system Ifcontrol knob does not pop up when released contact a qualified service person or supplier for repairs 6 Release downward pressure on con trol knob and turn clockwise 7N to OFF position 7 Press in control knob and turn back to PILOT IGN This will cause the piezo ignitor to spark and light the pilot gas If needed repeat
24. ce or unusually tight construction unless provisions are provided foradequate combustion and ven tilation air Read the following in structions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy effi cient than ever New materials increased insulation and new construction methods helpreduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good to make your home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper com bustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide ad equate fresh air for these appliances This will insure proper venting of vented fuel burning appliances PRODUCING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code NFPA 54 ANS Z223 1 Sec tion 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 4 through 6 will help you classify your space and provide adequate ventilation Unusuall
25. er is running Locate and correct all leaks see Check ing Gas Connections page 11 Heater shuts off in use ODS operates Not enough fresh air is available Low line pressure ODS pilot is partially clogged Open window and or door for ventilation Contact local natural gas company Clean ODS pilot see Cleaning and Maintenance page 14 Gas odor even when control knob is in OFF position Gas leak See Warning statement at top of page Control valve defective Locate and correct all leaks see Check ing Gas Connections page 11 Replace control valve Gas odor during combustion Foreign matter between control valve and burner Gas leak See Warning statement at top of page Take apart gas tubing and remove for eign matter Locate and correct all leaks see Check ing Gas Connections page 11 Moisture condensation noticed on windows 105566 Not enough combustion ventilation air www desatech com Refer to Fresh Air for Combustion and Ventilation requirements page 4 UAL INFRARED NATURAL GAS HEATER SPECIFICATIONS FA 3B FAS 3B FA 5B FAS 5B Btu Variable 6 000 12 000 18 000 18 000 7 000 18 000 30 000 30 000 Type Gas Natural Only Natural Only Natural Only Natural Only Ignition Piezo Piezo Piezo Piezo Pressure Regulator Setting 6 W C 6 W C 6 W C 6 W C Inlet Gas Pressure in of water Maximum 10 5 10 5 10 5 10 5 Mini
26. ernational who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO TWO 2 YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND DESA INTERNATIONAL S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion o
27. ir for proper combustion If heater shuts off do not relight until you provide fresh outside air If heater keeps shutting off have it serviced Do not run heater e where flammable liquids or vapors are used or stored e under dusty conditions 10 Before using furniture polish wax car pet cleaner or similar products turn heater off If heated the vapors from these products may create a white pow der residue within burner box or on adjacent walls or furniture 11 Never place any objects on the heater 12 Surface of heater becomes very hot when running heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shut down Allow surface to cool before touching 13 Carefully supervise young children when they are in same room with heater 14 Make sure grill guard is in place be fore running heater 15 Do not use heater if any part has been under water Immediately call a quali fied service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water 16 Turn off and unplug heater and let cool before servicing Only a qualified ser vice person should service and repair heater 17 Operating heater above elevations of 4 500 feet could cause pilot outage 105566 PRODUCT IDENTIFICATION OWNER S MANUAL Control Knob Grill Guard Burners
28. ist contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 18 of this manual FAS 5B DESCRIPTION QTY L98409 03 Cabinet Assembly L98006 01 Front Panel Assembly L98410 03 Reflector Unit L98103 01 Burner Assembly L98135 02 Thermostat Valve Assembly L99066 01 Thermostat Valve Base L98084 01 Self Tapping Screw L98068 01 Thermostat Valve Inlet Outlet Connector L98133 01 Thermostat Outlet Tube Assy L98055 01 4 Way Connector L98056 01 4 Way Connector Bracket L98057 01 4 Way Connector Fixed Nut L98411 01 Ignitor Line L98071 03 ODS Pilot Assembly 098514 01 Thermocouple L98071 07 Ignitor Electrode L98072 01 ODS Mounting Bracket L98817 01 Self Tapping Screw L98124 03 Valve to Regulator Gas Line Assembly L98914 01 Pilot Regulator Assembly L98125 03 Regulator to ODS Gas Line Assembly L98116 02 Burner Gas Line Assembly C L98117 01 Burner Gas Line Assembly C1 L98118 01 Burner Gas Line Assyembly C2 L98119 02 Burner Gas Line Assembly B L98120 01 Burner Gas Line Assembly B1 L98121 01 Burner Gas Line Assembly B2 L98122 03 Burner Gas Line Assembly A L99023 01 Injector L99047 01 T Joint L98115 03 Main Inlet Tube Assembly L99029 05 Pressure Regulator L98801 01 Washer L98806 01 Self Tapping Screw L98010 03 Grill Guard L98011 01 Grill Fastener L98
29. l 3 Insert mounting screws through bracket and into wall studs 4 Tighten screws until mounting bracket is firmly fastened to wall studs Attaching to Wall Anchor Method For attaching mounting bracket to hollow walls wall areas between studs or solid walls concrete or masonry 1 Drill holes at marked locations using 5 16 drill bit For solid walls concrete or masonry drill at least 1 deep Fold wall anchor as shown in Figure 9 3 Insert wall anchor wings first into hole Tap anchor flush to wall 4 For thin walls 1 2 or less insert red key into wall anchor Push red key to pop open anchor wings see Figure 10 IMPORTANT Do not hammer key For thick walls over 1 2 thick or solid walls do not pop open wings 5 Place mounting bracket onto wall Line up last hole on each end of bracket with wall anchors 6 Insert mounting screws through bracket and into wall anchors 7 Tighten screws until mounting bracket is firmly fastened to wall 105566 OWNER S MANUAL Figure 9 Folding Anchor Le Figure 10 Popping Open Anchor Wings For Thin Walls Placing Heater On Mounting Bracket 1 Locate two horizontal slots on back panel of heater see Figure 11 2 Place heater onto mounting bracket Slide horizontal slots onto stand out tabs on mounting bracket Horizontal Slots Mounting Bracket attached to wall Stand Out Tab Figure 11 Mounting Heater Onto
30. ly piping system Apply mixture of liquid soap and water to gas joints Bubbles form ing show a leak 5 Correct all leaks at once 6 Reconnect heater and manual shutoff valve to gas supply Check reconnected fittings for leaks Test Pressures Equal Toor Less Than 1 2 PSIG 3 5 K Pa 1 Close manual shutoff valve see Fig ure 14 2 Pressurize supply piping system by ei ther using compressed air or opening main gas valve located on or near gas meter 105566 OWNER S MANUAL 3 Check all joints from gas meter to manual shutoff valve see Figure 15 Apply mix ture of liquid soap and water to gas joints Bubbles forming show a leak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open manual shutoff valve see Figure 14 2 Open main gas valve located on or near gas meter 3 Make sure control knob of heater is in the OFF position 4 Check all joints from manual shutoff valve to control valve see Figure 15 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show a leak Correct all leaks at once au Light heater see Operating Heater page 12 for non thermostat models or page 13 for thermostat models Check the rest of the internal joints for leaks 7 Turn off heater see To Turn Off Gas to Appliance page 13 for non thermo stat models or page 14 for thermostat models 8 Replace front panel Figure 14 Manual Shutoff Valve Con
31. mum 7 a 7 1 Dimensions Inches H x W x D Heater 23 x 18 75 x7 23 x 18 75 x7 23 x26x7 23x 26x7 Carton 26x 21x9 26x 21x9 26 x 28 5 x9 26 x 28 5 x9 Weight pounds Heater 19 8 20 28 28 5 Shipping 23 3 23 5 33 5 34 Note Dimensions listed are outer most points on the heater includes control knobs and grill For purposes of input adjustment SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit e burner s will have delayed ignition e heater will not produce specified heat When Gas Quality Is Bad e pilot will not stay lit e burner s will produce flames and soot e heater will backfire when lit You may feel your gas pressure is too low or gas quality is bad If so contact your local natural gas supplier SERVICE PUBLICATIONS You can purchase a service manual from the address listed on the back page of this manual Send a check for 5 00 payable to DESA International TECHNICAL SERVICE You may have further questions about in stallation operation or troubleshooting If so contact DESA International s Techni cal Service Department at 1 800 323 5190 You can also visit DESA International s Technical Service web site at www desatech com REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealer from whom you purchased this product If they are unable
32. ocouple 7 Replace control valve Continued GLO WARM INFRARED NATURAL GAS HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner s does not light after ODS pilot is lit 1 Burner orifice s is clogged 1 Clean burner orifice s see Cleaning Ww D Burner orifice s diameter is too small Inlet gas pressure is too low and Maintenance page 14 or replace burner orifice s Replace burner orifice s Contact local natural gas company Delayed ignition of burner s Manifold pressure is too low Burner orifice s is clogged Contact local natural gas company Clean burner orifice s see Cleaning and Maintenance page 14 or replace burner orifice s Burner backfiring during combustion Burner orifice s is clogged or damaged Burner damaged Gas regulator defective Clean burner orifice s see Cleaning and Maintenance page 14 or replace burner orifice s Replace burner Replace gas regulator Burner plaque s does not glow Plaque damaged Inlet gas pressure is too low Control knob set between locked positions Replace burner Contact local natural gas company Turn control knob until it locks at de sired setting Slight smoke or odor during initial operation Residues from manufacturing processes Problem will stop after a few hours of operation Heater produces a clicking ticking noise just after burner is lit
33. r hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are in stalled through openings not furnished with doors are considered a part of the unconfined space This heater shall not be installed in a con fined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air Adjoining rooms are communicating only if there are doorless passageways or ventila tion grills between them 105566 OWNER S MANUAL FRESH 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 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Divide the space volume by 50 cubic feet to determine the maximum Btu Hr the space can support volume of space 5
34. r limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For information about this warranty write DES A INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com L98108 01 105566 01 REV B NOT A UPC 05 99 Patent Pending
35. s line pressure be fore connecting heater to gas line Gas line pressure must be no greater than 14 inches of water If gas line pressure is higher heater regulator damage could occur A CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local codes Use pipe oflarge 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 3B FAS 3B 3 8 or greater FA 5B FAS 5B 1 2 or greater Installation must include a manual shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 13 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves CAUTION Use pipe joint seal ant that is resistant to liquid pe troleum LP gas Install sediment trap in supply line as shown in Figure 13 Locate sediment trap where it is within reach for cleaning Locate sedi ment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly Pressure Regulator Regulator Bracket Hea
36. sembly B L98122 02 Burner Gas Line Assembly C L99023 01 Injector L98061 01 Control Knob L98906 01 Control Rod Assembly L99029 01 Pressure Regulator L98801 01 Washer L98806 01 Self Tapping Screw L98010 02 Grill Guard L98011 01 Grill Fastener L98085 01 Mounting Bracket PARTS AVAILABLE NOT SHOWN 100642 01 Hardware Assembly 104892 39 AGA Decal L98098 01 Gas Instruction Decal L98100 01 Inside Warning Label 1 4 4 1 4 4 4 1 7 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 2 2 1 2 1 105566 21 INFRARED NATURAL GAS HEATER ILLUSTRATED PARTS BREAKDOWN FA 5B See Detail ODS Pilot Assembly Burner Assembly 105566 22 OWNER S MANUAL PA RT S LI ST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 18 of this manual KEY PART NO NO FA 5B DESCRIPTION QTY L98409 01 Cabinet Assembly L98005 01 Lower Front Panel Assembly L98410 01 Deflector Unit L98103 01 Burner Assembly L98071 01 ODS Pilot Assembly 098514 01 Thermocouple L98071 07 Ignitor Electrode L98072 01 ODS Mounting Bracket L98817 01 Self Tapping Screw L98034 01 Control Valve L98411 01 Ignitor Line L98028 01 Control Valve Bracket L98054 01 Control Valve Fixed Nut L98059 01 Control Valve Main Inlet Nut L98115 01 Main Inlet Tube Assembly L98124 01 Valve to Regulator
37. steps 5 through 7 until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 15 through 17 Also contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure 8 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 Figure 16 Control Knob In The OFF Position Ignitor Electrode Thermocouple Pilot Burner Figure 17 Pilot a TO SELECT HEATING LEVEL WARNING When running heater set control knob at LOW MEDIUM or HIGH locked posi tions Never set control knob be tween locked positions Poor combustion and higher levels of carbon monoxide may result A CAUTION Do nottry to adjust heating levels by using the manual shutoff valve Control Slightly pressin control knob and turn coun terclockwise y to the LOW ME DIUM or HIGH positions see Figure 18 IMPORTANT Release downward pres sure while turning control knob Control knob will lock at the desired position g TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1 Turn control knob clockwise 7 N4 to the OFF position 2 Turn off all electric power to the ap pliance if service is to be performed Shutting Off Burner Only pilot stays lit Turn control knob clockwise to the P
38. ter Cabinet Tee Joint Test Reducer Gauge Bushing to Connection 1 8 NPT LL 1 8 NPT Plug Tap Trap Figure 13 Gas Connection IMPORTANT Hold pressure regulator with wrench when connecting it to gas pip ing and or fittings 3 8 NPT Pipe Nipple Manual Shutoff Valve Inlet Pipe From Gas Meter 7 W C to 10 5 W C Pressure An A G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 19 105566 INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING Test all gas pip ing and connections for leaks after installing or servicing Cor rect 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 Bubbles forming show a leak Correct all leaks at once Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG 3 5 K Pa 1 Disconnect heater and its individual manual shutoff valve from gas supply piping system Pressures in excess of 1 2 PSIG will damage heater regulator 2 Cap off open end of gas pipe where manual shutoff valve was connected 3 Pressurize supply piping system by ei ther using compressed air or opening main gas valve located on or near gas meter 4 Check all joints of gas supp
39. thermo stats Standard thermostats simply turn on and off the burner The thermostat used on this heater senses the room tem perature At times the room may exceed the set temperature Ifso the burner will shut off The burner will cycle back on when room temperature drops below the set temperature The temperature set ting knob can be set to any comfort level between 1 and 7 Note The thermostat sensing bulb mea sures the temperature of air near the heater cabinet This may not always agree with room temperature depending on housing construction installation loca tion room size open air temperatures etc Frequent use of your heater will let you determine your own comfort levels MANUAL LIGHTING E PROCEDURE 1 Follow steps 1 through 5 under Light ing Instructions page 13 2 With control knob pressed in strike match Hold match to pilot until pi lot lights 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 22 shows a correct pilot flame pattern Figure 23 shows an incorrect pilot flame pattern Theincorrect pilot flame is nottouch ing the thermocouple This will cause the thermocouple to cool When the thermo couple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 23 e turn heater off see To Turn
40. trol Valve Location Thermostat Models Gas Meter KOTTA COTATI Manual E Shutoff xe Control Valve Location Non Thermostat Models Figure 15 Checking Gas Joints 11 OPERATING HEATER NON THERMOSTAT MODELS FA 3B AND FA 5B 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 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 WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric 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 sup plier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair m
41. tu Hr size makes room unconfined If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an unconfined space You will need no additional fresh air ventilation A WARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code ANS 2223 1 1992 Section 5 3 or applicable local codes Continued 105566 5 GLO WARM INFRARED NATURAL GAS HEATER FRESH 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 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options and 2 Figure 2 Youcan also remove door into adjoining room see op tion 3 Figure 2 Follow the National Fuel Gas Code NFPA 54 ANS Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts WARNING Rework work sheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces Ventilation Air From Outdoors Pro
42. vide extra fresh air by using ventilation grills or ducts You must provide two per manent 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 These spaces include attics and crawl spaces IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent 4 m 7 Ventilation Grills Or into Adjoining Remove Room Door into Option 1 Adjoining Room Option 3 O Ventilation Grills Into Adjoining Room Option 2 Figure 2 Ventilation Air from Inside Building Outlet Air H Inlet Air I Inlet Air ILLAN Ventilated Attic Ventilated Crawl Space To Attic manana To Figure 3 Ventilation Air from Outdoors 105566 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 This will help circu late the heat throughout the house In the event of a power outage you can use this heater OWNER S MANUAL LOCATING HEATER This heater
43. w air to bleed from the gas system Release downward pressure on con trol knob and turn clockwise to OFF position OA Press in control knob and turn coun terclockwise y N past IGN to PILOT see Figure 19 This will cause the piezo ignitor to spark and light the pilot gas Keep control knob depressed for 10 seconds before re leasing If needed repeat steps 5 through 7 until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 15 through 17 Also contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 14 When pilot is lit turn the control knob to ON position see Figure 21 To select desired heating level turn the temperature setting knob coun terclockwise y N between 1 and 7 see Figure 21 FAS 5B PILOT OFF Va n Na Figure 21 Burner Patterns Continued GLO WARM INFRARED NATURAL GAS HEATER OPERATING HEATER Continued H TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1 Turn control knob clockwise NX to the OFF position 2 Turn offall electric power to the ap pliance if service is to be performed Shutting Off Burner Only pilot stays lit Turn control knob clockwise to the PILOT position OX THERMOSTAT CONTROL OPERATION The thermostatic control used on these models differs from standard
44. y Tight Construction The air that leaks around doors and win dows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is de fined as construction where a walls and ceilings exposed to the outside atmosphere have a con tinuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with open ings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames be tween sole plates and floors be tween wall ceiling joints be tween wall panels at penetra tions for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide ad ditional fresh air See Ventilation Air From Outdoors page 6 If your home does not meet all of the three criteria above see Determining Fresh Air Flow for Heater Location page 5 Confined and Unconfined Space The National Fuel Gas Code ANS Z223 1 1992 Section 5 3 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfining space as a space whose volume is not less than 50 cubic feet per 1 000 Btu pe

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