Desa VN10T User's Manual
Contents
1. Vior Mounting Screw Locations 20 1 4 Minimum To Maintain 3 Clearance From Floor FLOOR Figure 5 Mounting Screw Locations 102490 INSTALLING TO WALL Continued Installing Two Mounting Screws Note Wall anchors and mounting screws are in hardware package The hardware pack age is provided with heater Attaching to wall stud method For attaching mounting screw to wall stud 1 Drill hole at marked location using 9 64 drill bit Insert mounting screw into wall stud 3 Tighten screw until 1 16 space thick ness of penny is between screwhead and wall Attaching to wall anchor method Follow instructions below to attach mount ing screws to hollow walls wall areas be tween 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 1 4 deep Fold wall anchor see Figure 6 3 Insert wall anchor wings first into hole Tap anchor flush to wall N Figure 6 Folding Anchor 4 Forthin walls 1 2 or less insert red key into wall anchor Push red key to pop open anchor wings see Figure 7 IMPORTANT Do not hammer key For thick walls over 1 2 thick or solid walls do not pop open wings Thin Walls _ 1 4 to 1 2 thick N TEN Figure 7 Popping Open Anchor Wings For Thin Walls 102490 OWNER S MANUAL 5 Tighten two screws until 1 12. ODS PILOT PARTS LIST VN10T 102490 OWNER S MANUAL This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 15 of this manual PART NUMBER 098304 01 098454 06CD 099318 03 101108 01 099275 01 M15823 37 503329 098514 01 098594 01 099884 02 099056 03 102491 01 099387 11 M11084 26 102517 01 098522 09 102445 01 098271 03 102571 02 099415 01 098303 02 PARTS AVAILABLE NOT SHOWN 1 102471 01 100642 02 DESCRIPTION Screw 10 x 3 8 Front Panel Grill Guard Removable Speed Clip Reflector Screw Hex 8 x 1 4 ODS Pilot Assembly Thermocouple Ignitor Electrode Burner Assembly Injector Tubing Burner Pilot Tubing Valve to pilot Screw 10 x 3 8 Tubing Inlet Control Valve Piezo Ignitor Service Kit Ignitor Cable Cabinet Assembly Gas Regulator Screw 6 x 5 16 Control Position Label Assembly Hardware NO SO NOEL 0 LG VANGUARD VN10T NATURAL GAS HEATER NOTES OWNER S MANUAL NOTES 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 LIMIT
3. local dealer If they cannot supply this ac cessory call DESA International s Parts Department at 1 800 972 7879 for referral information You can also write to the ad dress listed on the back page of this manual MANUAL SHUTOFF VALVE GA5010 Manual shutoff valve with 1 8 NPT tap 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 cannot sup ply original replacement part s call DESA International s Technical Service Depart ment at 1 800 323 5190 for information When contacting your dealer or DESA In ternational have ready your name your address model number of your heater how heater was malfunctioning type of gas used propane or natural gas 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 cannot supply original replacement part s call DESA International s Parts Department at 1 800 972 7879 for referral information When calling DESA International have ready model number of your heater the replacement part number VANGUARD VN10T NATURAL GAS HEATER ILLUSTRATED PARTS LIST VN10T 2 102490 16
4. Allow surface to cool before touching 11 12 13 14 15 Carefully supervise young children when they are in same room with heater Make sure grill guard is in place be fore running heater 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 Turn off heater and let cool before ser vicing Only a qualified service person should service and repair heater Operating heater above elevations of 4 500 feet could cause pilot outage 102490 PRODUCT IDENTIFICATION OWNER S MANUAL Piezo Ignitor Button aor Front Panel TTT EL of Control Knob Grill Guard u a Burners Heater Cabinet Figure 1 Model VN10T Vent Free Natural Gas Heater 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 ANSI 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 UNPACKING 1 Remove heater from carton 2 Remove all protective packaging ap plied to heater for shipment 3 Check heater for any shipping damage If heater is damaged promptly info
5. Take apart gas tubing and remove for eign matter Locate and correct all leaks see Check ing Gas Connections page 9 Moisture condensation noticed on windows Not enough combustion ventilation air Refer to Air for Combustion and Venti lation requirements page 3 102490 SPECIFICATIONS VN10T Btu 10 000 Type Gas Natural Only Ignition Piezo Pressure Regulator Setting 3 8 W C Inlet Gas Pressure inches of water 10 5 Minimum 4 Dimensions Inches H x W x D Maximum OWNER S MANUAL Heater 21 1 2x 131 2x 7 Carton 24 3 4 x 16 3 4 x 7 1 2 Weight pounds Heater 14 Shipping 18 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 SERVICE HINTS When gas pressure is too low pilot will not stay lit burner s will have delayed ignition heater will not produce specified heat When gas quality is bad pilot will not stay lit burner s will produce flames and soot 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 102490 SERVICE PUBLICATIONS Youcan 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 ACCESSORY Purchase this heater accessory from your
6. length x 16 ft width x 8 ft ceiling height 2304 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or open ings 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 50 cu ft Maximum Btu Hr the space can sup port Example 2304 cu ft volume of space 50 cu ft 46 1 or 46 100 maximum Btu Hr the space can sup port 3 Add the Btu Hr of all fuel burning ap pliances in the space Vent free heater Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Example Gas water heater 40 000 Btu Hr Vent free heater 10 000 Btu Hr Total 50 000 Btu Hr Do not include direct vent gas appli ances 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 46 100 Btu Hr maxi mum the space can support 50 000 Btu Hr actual amount of Btu Hr used The space in the above example is a con fined 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
7. 6 space thickness of penny is between screwheads and wall see Figure 8 1 16 Space i Figure 8 Tightening Anchors 4 Thin or YW Thick Wall thick wall shown Placing Heater On Mounting Screws 1 Locate two keyhole slots on back panel of heater see Figure 9 2 Place large openings of slots over screwheads Slide heater down until screws are in small portion of slots Figure 9 Location Of Keyhole Slots On Back Panel Of Heater Removing Front Panel Of Heater 1 Remove two screws near bottom cor ners of front panel 2 Lift straight up on grill guard until it stops Grill guard will slide up about 1 4 3 Pull bottom of front panel forward then down gt gt CLE Figure 10 Removing Front Panel Of Heater Installing Bottom Mounting Screw 1 Locate bottom mounting hole This hole is near bottom on back panel of heater see Figure 11 Mark screw location on wall Remove heater from wall T2203 9 If installing bottom mounting screw into hollow or solid wall install wall anchor Follow steps 1 through 5 under Attaching To Wall Anchor Method If installing bottom mounting screw into wall stud drill hole at marked lo cation using 9 64 drill bit 5 Replace heater on wall 6 Insert bottom anchor screw through back panel into bottom anchor or drilled hole see Figure 11 7 Tighten screw until heater is firmly se cured to wall Do not o
8. ED WARRANTY VANGUARD VENT FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for three 3 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 a DESA Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA International 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 aresult 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 J
9. 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 and car bon monoxide poisoning AX 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 presenteven though no odor exists Make certain you read and understand all Warnings Keep this manual for reference Itis your guide to safe and proper operation of this heater WARNING Any change to this heater or its controls can be dangerous 10 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 shut off gas supp
10. URISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRAN TIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO THREE 3 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 or 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 DESA INTERNATIONAL 2701 Industrial Drive P O Box 90004 102490 01 Bowling Green KY 42102 9004 REV E 7 97 For information about this warranty write
11. VANGUARD INFRARED VENT FREE NATURAL GAS HEATER OWNER S OPERATION AND INSTALLATION MANUAL MODEL VN10T 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 Donotstore 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 WARNING This is an unvented gas fired heater It uses air oxygen from the room in which itis installed Provisions for adequate combustion must be provided Refer to page 3 of this manual This appliance may be installed in an aftermarket manufactured mobile home where not prohibited by state or local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer 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 Save this manual for future reference VANGUARD VN10T NATURAL GAS
12. VANGUARD VN10T NATURAL GAS HEATER INSTALLING TO WALL 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 piping check local codes sealant resistant to propane LP gas manual shutoff valve ground joint union test gauge connection see Figure 12 page 8 sediment trap tee joint 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 Accessory page 15 LOCATING HEATER This heater is designed to be mounted on a wall AX WARNING Maintain the mini mumclearances shown in Figure 4 Ifyou can provide greater clear ances from floor ceiling and join ing wall A WARNING Never install the heater ina bathroom inarecreational vehicle where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater asa fireplace insert in high traffic areas in windy or drafty areas Forconvenience and efficiency install heater where there is easy access for ope
13. are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or add ventila tion grills between rooms See Ventila tion Air From Inside Building page 5 B Ventroom directly to the outdoors See Ventilation Air From Outdoors page 5 C Install a lower Btu Hr heater if lower Btu Hr size makes room unconfined If the actual Btu Hr used is less than the maximum Btu Hr the space can support the spaceis an unconfined space You will need no additional fresh air ventilation A WARNING Iftheareain which the heater may be operated is smaller than that defined as an unconfined space provide ad equate combustion and ventila tion air by one of the methods described in the National Fuel Gas Code ANSI Z223 1 1992 Section 5 3 or applicable local codes Continued 102490 OWNER S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoin ing 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 op tion 3 Figure 2 Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Ai
14. as 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 Ventilateroom Stop using odor causing products while heater is running Locate and correct all leaks see Check ing Gas Connections page 9 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 ventila tion Contact local natural gas company Clean ODS pilot see Cleaning and Maintenance page 11 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 9 Replace control valve Gas odor during combustion Foreign matter between control valve and burner Gas leak See Warning statement at top of page
15. flame pattern umm uU umen um Figure 19 Correct Burner Flame Pattern ooa qu a Figure 20 Incorrect Burner Flame Pattern If burner flame patternis incorrect as shown in Figure 20 turn heater off see To Turn Off Gas to Appliance page 10 see Troubleshooting pages 12 through 14 CLEANING AND MAINTENANCE AX WARNING Turn off heater and let cool before cleaning 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 bedding material etc ODS PILOT AND BURNER ORIFICE Use a vacuum cleaner pressurized air or small soft bristled brush to clean CABINET Air Passageways e Use a vacuum cleaner or pressurized air to clean Exterior Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to remove dust VANGUARD VN10T NATURAL GAS HEATER TROUBLESHOOTING Note All troubleshooting items are listed in order of operation A WARNING Turn off heater andletcoolbefore servicing Only aqual
16. his will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following is excerpts from National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Venti lation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Uncon fined Space 3 Confined Space The information on pages 4 and 5 will help you classify your space and provide ad equate ventilation Continued VANGUARD VN10T NATURAL GAS HEATER AIR FOR COMBUSTION AND VENTILATION Continued Unusually 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 defined as construction where a walls and ceilings exposed to the outside atmosphere have a continuous water vapor re tarder with a rating of one perm 6x10 kg per pa sec m or less with openings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are ap plied to areas such as joints around window and door frames between sole plates and floors between wall ceil ing joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three cri
17. ified service person should service and repair heater A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed inthereisno 1 Ignitor cable pinched or wet 1 Free ignitor cable if pinched by any spark at ODS pilot metal or tubing Keep ignitor cable dry 2 Ignitor electrode not connected to igni 2 Reconnect ignitor cable tor cable 3 Piezo ignitor nut is loose 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel 4 Broken ignitor cable 4 Replace ignitor cable 5 Ignitor electrode broken 5 Replace ignitor 6 Bad piezo ignitor 6 Replace piezo ignitor 7 Ignitor electrode positioned wrong 7 Replace ignitor When ignitor button is pressed and control 1 Gas supply turned off or manual shutoff 1 Turn on gas supply or open manual knob is pressed in and turned to the PILOT valve closed shutoff valve position there is spark at ODS pilot butno 2 Control knob not in PILOT position 2 Turn control knob to PILOT position ignition 3 Control knob not pressed in while in PI 3 Press in control knob while in PILOT LOT position position 4 Airin gas lines when installed 4 Continue holding down control knob Repeat igniting operation until air is re moved 5 ODS pilot is clogged 5 Clean ODS pilot see Cleaning and Maintenance page 11 or replace ODS pilot a
18. ints for leaks Turn off heater see To Turn Off Gas to Appliance page 10 8 Replace front panel Open Manual Shutoff Valve Closed Figure 13 Manual Shutoff Valve Control Valve Location 77 mi 7 WY Ys Gas Meter A Figure 14 Checking Gas Joints OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING A 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 This appliance has a pilot which must be lighted by hand When light ing the pilot follow these instructions exactly 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 build ing 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 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 may result in a fire or explosion Do
19. ive to test gauge connection Purchase the optional A G A design certified manual Installation must include a manual shutoff shutoff valve from your dealer See Accessory page 15 valve ground joint union and plugged Figure 12 Gas Connection 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 12 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 12 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 8 102490 CHECKING GAS CONNECTIONS A WARNING Test all gas pip ing and connections for leaks after installing or servicing Cor rect all leaks at once AR WARNING Neveruseanopen 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 1 Disconnec
20. ld pressure is too low 2 Burner orifice s is clogged Contact local natural gas company Clean burner orifice s see Cleaning and Maintenance page 11 or replace burner orifice s Dr Burner backfiring during combustion 1 Burner orifice s is clogged or damaged Inlet gas pressure is too low Burner damaged Gas regulator defective AUN 1 Clean burner orifice s see Cleaning and Maintenance page 11 or replace burner orifice s Contact local natural gas company Replace burner Replace gas regulator AUN Burner plaques do not glow Plaque damaged Inlet gas pressure is too low Control knob set too low Dr Replace burner Contact local natural gas company Turn control knob to higher setting ur Slight smoke or odor during initial opera tion 1 Residues from manufacturing processes 1 Problem will stop after a few hours of operation Heater produces a clicking ticking noise just after burner is lit or shut off 102490 1 Metal expanding while heating or con tracting while cooling 1 This is common with most heaters If noise is excessive contact qualified ser vice person Continued VANGUARD VN10T NATURAL GAS HEATER TROUBLESHOOTING Continued building A 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 Immediately call your g
21. ly do not try to light any appliance do not touch any electrical switch do not use any phone in your build ing 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 Heater shall not be installed in a bath room Never install the heater in a recreational vehicle where curtains furniture clothing or other flammable objects are less than 36inches from the front top or sides of the heater as a fireplace insert in high traffic areas in windy or drafty areas This heater needs fresh outside air ven tilation to run properly This heater has an oxygen depletion sensor ODS pi lot light safety system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation pages 3 through 5 Keep all air openings in front and bot tom of heater clear and free of debris This will insure enough air 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 where flammable liquids or vapors are used or stored under dusty conditions Never place any objects on the heater 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 shutdown
22. 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 VANGUARD VN10T NATURAL GAS HEATER OPERATING HEATER Continued LIGHTING INSTRUCTIONS 1 STOP Read the safety information page 9 column 3 2 Make sure manual shutoff valve is fully open 3 Turn control knob clockwise N to the OFF position Control Knob Ignitor Button 7 long lt lt ENDS IGNITOR Figure 15 Control Knob In The OFF Position 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 in formation column 3 page 9 If you don t smell gas go to the next step 5 Press in control knob and turn coun terclockwise x N to pilot position Keep control knob pressed for five seconds Note You may be running this heater for the first time after hook ing up to gas supply If so the con trol knob may need to be pressed in for 30 seconds This will allow air to bleed from the gas system 6 With control knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the bottom of burner The pilot can be seen below the left hand plaque If needed keep pressing ignitor but ton until pilot lights If pilot does not
23. r for Combustion and Ventilation for required size of ventilation grills or ducts AX 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 Provide 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 Follow the National Fuel Gas Code NFPA 54 ANSI 2223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts 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 es Ventilation Grills Or into Adjoining Remove Room Door into Option 1 Adjoining Room Option 3 p 12 Ventilation Grills Into Adjoining Room Option 2 12 Figure 2 Ventilation Air from Inside Building Outlet Air Inlet Air zu Ventilated Attic To Attic Inlet Air Ventilated Crawl Space Figure 3 Ventilation Air from Outdoors 102490 5
24. ra tion inspection and service in coldest part of room A 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 in the air Such as tobacco smoke 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 Air for Com bustion and Ventilation pages 3 through 5 Ay CAUTION If you install the heater in a home garage heater pilot and burner must be at least 18 inches floor locate heater where moving vehicle will not hit it JOINING WALL CEILING 36 Minimum F 8 Minimum From Sides Of Heater Right Side c Minimum To nF Top Surface Of Carpeting Tile Or Other Combustible Material Figure 4 Mounting Clearances As Viewed From Front of Heater INSTALLING HEATER TO WALL Marking Screw Locations 1 Determine where you will locate heater FLOOR AR WARNING Maintain minimum clearances shown in Figure 5 If you can provide greater clear ances from floor and joining wall 2 Mark two mounting screw locations on wall see Figure 5 10 7 8 7 3 4 Minimum To Maintain 8 Clearance 4 From Wall N N
25. rm dealer where you bought heater 102490 PRODUCT FEATURES Safety Pilot 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 AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed in a confined space unless provisions are pro vided for adequate combustion and ventilation air Read the fol lowing instructions 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 help reduce heat loss in homes Home own ers 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 pos sible While itis 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 T
26. ssembly 6 Gas regulator setting is not correct 6 Replace gas regulator ODS pilot lights but flame goes out when 1 Control knob not fully pressed in Press in control knob fully control knob is released 2 Control knob not pressed in long enough 2 After ODS pilot lights keep control knob pressed in 10 seconds 3 Manual shutoff valve not fully open 3 Fully open manual shut off valve 4 Thermocouple connection loose atcon 4 Hand tighten until snug then tighten 1 4 trol valve turn more 5 Pilot flame not touching thermocouple 5 A Contact local natural gas company which allows thermocouple to cool causing pilot flame to go out This prob B Clean ODS pilot see Cleaning and lem could be caused by one or both of Maintenance page 11 or replace ODS the following pilot assembly A Low gas pressure B Dirty or partially clogged ODS pilot 6 Thermocouple damaged 6 Replace thermocouple 7 Control valve damaged 7 Replace control valve Continued 102490 TROUBLESHOOTING Continued OBSERVED PROBLEM OWNER S MANUAL POSSIBLE CAUSE REMEDY Burner plaques do not light after ODS pilot is lit 1 Burner orifice s is clogged 2 Burner orifice s diameter is too small Inlet gas pressure is too low W 1 Clean burner orifice s see Cleaning and Maintenance page 11 or replace burner orifice s 2 Replace burner orifice s 3 Contact local natural gas company Delayed ignition of burner plaques 1 Manifo
27. stay lit contact a qualified service person or gas sup plier for repairs 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob If control knob does not pop up when released contact a qualified service person or gas supplier for repairs Note If pilot does not light repeat steps 3 through 7 This heater has a safety interlock system Wait one 1 minute before lighting pilot again 8 Turncontrol knob counterclockwise K to desired heating level Both plaques should light Set control knob to any heat level between HI and LO Ignitor Electrode Thermocouple Pilot Burner Figure 17 Pilot A CAUTION Do nottry to adjust heating levels by using the manual shutoff valve THERMOSTAT CONTROL OPERATION The control knob can be set to any heat level between HI and LO When the room tem perature exceeds the set temperature the burner will cycle to pilot The burner will cycle back on when room temperature drops below the set temperature Selecting a higher setting will cause the heater to run longer producing greater heat output At lower settings the heater will run less 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 location room size open air temperatures etc Frequent use of your heater will le
28. t heater and its individual manual shutoff valve from gas supply piping system Pressures in excess of 1 2 PSIG will damage heater regula tor 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 supply piping system Apply mixture of liquid soap and water to gas joints Bubbles form ing show a leak 5 Correct all leaks at once Test Pressures Equal To or Less Than 1 2 PSIG 1 Close manual shutoff valve see Fig ure 13 2 Pressurize supply piping system by ei ther using compressed air or opening main gas valve located on or near gas meter 3 Check all joints from gas meter to manual shutoff valve see Figure 14 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show a leak 4 Correct all leaks at once 102490 OWNER S MANUAL PRESSURE TESTING HEATER GAS CONNECTIONS 1 Open manual shutoff valve see Figure 13 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 14 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light heater see Operating Heater pages 9 and 10 Check all other inter nal jo
29. t you determine your own comfort levels 3 TO TURN OFF GAS EH TO APPLIANCE Shutting Off Heater 1 Turn control knob clockwise N to the OFF position Shutting Off Burner Only pilot stays lit 1 Turn control knob clockwise N to the PILOT position MANUAL LIGHTING PROCEDURE 1 Remove front panel see Figure 10 page 7 2 Follow steps 1 through 5 under Light ing Instructions 3 With control knob pressed in strike match Hold match to pilot until pi lot lights 4 Keep control knob pressed in for 10 seconds after pilot is lit After 10 sec onds release control knob 5 Replace front panel 102490 INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 17 shows a correct pilot flame pat tern Figure 18 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 Pilot Burner Thermocouple N Figure 17 Correct Pilot Flame Pattern Pilot Burner Thermocouple Figure 18 Incorrect Pilot Flame Pattern If pilot flame pattern is incorrect as shown in Figure 18 turn heater off see To Turn Off Gas to Appliance page 10 see Troubleshooting pages 12 through 14 102490 OWNER S MANUAL BURNER FLAME PATTERN Figure 19 shows a correct burner flame pattern Figure 20 shows anincorrect burner
30. teria above you must provide ad ditional fresh air See Ventilation Air From Outdoors page 5 If your home does not meet all of the three criteria above proceed to De termining Fresh Air Flow For Heater Location Confined and Unconfined Space The National Fuel Gas Code ANSIZ2123 1 1992 Section 5 3 defines a confined space as a space whose volume is less than 50 cubic feetper 1 000 Btu per hour 4 8 m3 per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m3 per kw of the aggregate inputrating ofall 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 Adjoining rooms are communicating only if there are doorless passageways or ventila tion grills between them DETERMINING 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 18 ft
31. ver tighten Note Do not replace front panel at this time Replace front panel after making gas connections and checking for leaks see pages 8 and 9 Figure 11 Installing Bottom Mounting Screw VANGUARD VN10T NATURAL GAS HEATER co NN ECTI N G T e IMPORTANT Hold pressure regulator with wrench when connecting it to gas piping and GAS SUPPLY RU NOTICE A qualified service per son must connect heater to gas supply Follow all local codes Pressure Regulator A WARNING Never connect heater to private non utility gas wells This gas is commonly CERE EINE CE known as wellhead gas Ground Joint u Union IMPORTANT Check gas line pressure Manual Tee Joint before connecting heater to gas line Gas Shutoff line pressure must be no greater than 14 Valve Reducer Test inches of water If gas line pressure is higher Bushing to Gauge M 1 8 NPT Connection heater regulator damage could occur From Gas Meter 1 8 NPT 4 W C to us CAUTION Use only new 10 5 W C LUE black iron or steel pipe Inter Pressure Tee nally tinned copper tubing may Joint be used in certain areas Check 3 Minimum Sediment your local codes Use pipe 3 8 Pipe Trap diameter or greater to allow er Nipple proper gas volume to heater If Cap pipe is too small undue loss of pressure will occur An A G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternat
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