Vanguard Heating VP2000BTD User's Manual
Contents
1. VANGUARD BLUE FLAME VENT FREE PROPANE LP GAS HEATER OWNER S OPERATION AND INSTALLATION MANUAL VP2000BTD VP2800BTD 20 000 and 30 000 Btu Hr Thermostatically Controlled Models WARNING If the information in this manual is not followed exactly a fire or explosion may result caus ing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s in structions e 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 installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual for correct installation and operational procedures For as sistance or additional information consult a qualified installer ser vice agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxy gen from the room in which it is installed Provisions for ad equate combustion and ventila tion air must be provided Refer to Air for Combusti2. 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 x 11 16 Min A Only Insert Mounting 48 3 4 4 Screws Through Last Min 6 Hole On Each End Z Floor Models VP2800BTD 7 1 4 16 o0000000000000 Min Only Insert Mounting 4g 3 4 Screws Through Last Min Hole On Each End 5 T smsy Warty Floor Models VP2000BTD Figure 8 Mounting Bracket Clearances 104401 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 wall 3 Insert mounting screws through bracket and into wall studs 4 Tighten screws until mounting bracket is firmly fastened to wall studs X Figure 9 Folding Anchor H SYN Figure 10 Popping Open Anchor Wings For Thin Walls 104401 OWNER S MANUAL Attaching To Wall Anchor Method For attaching mounting bracket to hollow w
3. information You can also write to the ad dress listed on the back page of this manual FLOOR MOUNTING STAND Model VP2000BTD GA4000B Model VP2800BTD GA4010B For locating heater on the floor away from a wall Complete installation instructions included VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap 104401 FAN KITS GA3100 A B AND GA3200T A B For all models Provides better heat distribu tion Makes heater more efficient Complete installation and operating instructions included Manually controlled GA3100 A B In cludes ON OFF switch Thermostatically controlled GA3200T A B Includes three settings ON OFF AUTO 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 SERVICE PUBLICATIONS You can purchase service manual from the address listed on the back page of this manual Send a check for 5 00 payable to DESA International 17 REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Techni ca
4. LP gas company Clean ODS pilot see Cleaning and Maintenance page 13 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 Not enough combustion ventilation air www desatech com 16 Refer to Air for Combustion and Venti lation requirements page 4 104401 SPECIFICATIONS OWNER S MANUAL VP2000BTD VP2800BTD Btu Variable 10 000 20 000 15 000 30 000 Type Gas Propane LP Only Propane LP Only Ignition Piezo Piezo Pressure Regulator Setting 8 W C 8 W C Inlet Gas Pressure in of water Maximum 14 14 Minimum 11 11 Dimensions Inches H x W x D Heater Includes knobs amp grill 23 5 x 18 5 x 8 0 23 5 x 25 9 x 8 0 Carton 26 x 20 5 x 9 63 26 x 27 75 x 9 63 Weight pounds Heater 22 30 Shipping 27 35 ACCESSORIES Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA International s Parts Department at 1 800 972 7879 for referral
5. NFPA 54 ANS Z223 1 Section 5 3 Air 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 ANS 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 12 SSS Ventilation Grills Into Adjoining Room Ventilation Option 2 Grills Or into Adjoining Remove Room Door into Option 1 Adjoining Room Option 3 12 Figure 2 Ventilation Air from Inside Building 2S gt Ventilated Attic Outlet Air To Attic Inlet Air Ventilated Crawl Space Inlet Air Figure 3 Ventilation Air from Outdoors 6 104401 INSTALLATIO
6. batteries or other sources to light heater THERMOSTATIC HEAT CONTROL This heater has a thermostat sensing bulb and a control valve This results in the great est heater comfort This can also result in lower gas bills VANGUARD BLUE FLAME PROPANE LP GAS HEATER PROVIDING 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 AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed ina confined space 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 help reduce heat loss inhomes 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 eq
7. smell gas e Shut off gas supply Do not try to light any appliance e 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 a clicking ticking noise just after burner is lit or shut off 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 Heater produces unwanted odors Heater burning vapors from paint hair spray glues etc see IMPORTANT statement above Low fuel supply Gas leak See Warning statement at top of page Ventilate room Stop using odor caus ing products while heater is running Refill supply tank 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 2 Contact local propane
8. 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 Btu 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 Section 5 3 or applicable local codes Continued 104401 5 VANGUARD BLUE FLAME PROPANE LP GAS HEATER AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must pro vide two permanent openings one within 12 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
9. 2800BTD DESCRIPTION QTY 104401 ONoOaRKRWD under Replacement Parts on page 17 of this manual 098304 01 098304 01 Screw 10 x 3 8 098742 13 098742 14 Front Panel 103476 01 103476 02 Grill Guard 101108 01 101108 01 Clip Grill Guard 104189 01 104189 02 Bottom Glass Retainer 098260 09 098260 10 Glass Panel NJF 8C NJF 8C Hex Nut M11084 26 M11084 26 Screw 10 x 3 8 104618 01BR 104618 02BR Deflector Unit 098271 03 098271 03 Ignitor Cable 098249 01 098249 01 Nut M5 103594 04 103594 04 ODS Pilot Assembly 098514 01 098514 01 Thermocouple 106842 01 106842 01 Ignitor Electrode 103446 01 103447 01 Burner 099387 03 099387 03 3 16 Pilot Tubing 103845 05 103845 07 Injector 099066 01 099066 01 Mounting Bracket 099415 06 099415 06 Pressure Regulator 099553 01 099553 01 Pilot Shield 103255 01 103255 01 3 8 Outlet Burner Tubing 103256 01 103256 01 3 8 Inlet Tubing 098522 11 098522 13 Thermostat Gas Valve 104617 03 104617 04 Cabinet 097159 04 097159 04 Piezo Ignitor M11084 38 M11084 38 Screw 8 x 3 8 PARTS AVAILABLE NOT SHOWN 098305 01 098305 01 Control Position Label 1 100642 01 100642 01 Hardware Assembly 1 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 s
10. Ifyou can provide greater clear ances from floor ceiling and join ing 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 17 Ay WARNING Never install the heater in a bedroom or bathroom in a 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 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 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 Air for Com bustion and Ventilation pages 4 through 6 A CAUTION If you install the heater in a home garage heater pilot and burner must be at least 18 inches above floor locate heater where moving ve hicle will not hit it Forconvenience andefficiency install heater e where there is
11. N 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 as your primary heat source AX WARNING A qualified ser vice person must install heater Follow all local codes CHECK GAS TYPE Use only propane LP gas If your gas supply is not propane LP 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 external regulator supplied by installer e piping check local codes e sealant resistant to propane LP gas e equipment shutoff valve e ground joint union e test gauge connection e sediment trap e tee joint e pipe wrench A CSA AGA design certified equipment shutoff valve with 1 8 NPT tap is an ac ceptable alternative to test gauge connec tion The optional CSA AGA design certi fied equipment shutoff valve can be pur chased from your dealer See Accessories page 17 104401 OWNER S MANUAL LOCATING HEATER This heater is designed to be mounted on a wall AX WARNING Maintain the mini mum clearances shown in Figure 4
12. alls 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 Insert wall anchor wings first into hole Tap anchor flush to wall For thin walls 1 2 or less insert red key into wall anchor Push red key to pop open anchor wings IMPORTANT Do not hammer key For thick walls over 1 2 thick or solid walls do not pop open wings Place mounting bracket onto wall Line up last hole on each end of bracket with wall anchors Insert mounting screws through bracket and into wall anchors Tighten screws until mounting bracket is firmly fastened to wall Placing Heater On Mounting Bracket 1 Stand Out Tab Locate two horizontal slots on back panel of heater Place heater onto mounting bracket Slide horizontal slots onto stand out tabs on mounting bracket Horizontal Slots S50 0 sae 308 Mounting Bracket He attached to wall Figure 11 Mounting Heater Onto Mount ing Bracket Installing Bottom Mounting Screws 1 AYN 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 If installing bottom mounting screws into hollow or solid wall install wall anchors Follow steps 1 through 4 under At
13. cation page 5 Confined and Unconfined Space The National Fuel Gas Code ANS 2223 1 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 aggre gate 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 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 installed through openings not furnished with doors are con sidered 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 104401 OWNER S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space Space Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example S
14. cause pilot outage 12 To prevent performance problems do not use propane LP fuel tank of less than 100 lbs capacity 104401 PRODUCT IDENTIFICATION Ignitor Button OTE BESS a i Bi HH RIIN rth LIT feet es o M Hooo ea o ee ee LH C o OWNER S MANUAL Control Knob Grill Guard d tH Glass Panel Heater Cabinet Figure 1 Vent Free Propane LP Gas Heater Model VP2800BTD 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 2223 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 104401 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 inform dealer where you bought heater PRODUCT FEATURES SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system requires no matches
15. cedures 3 With control knob pressed in strike match Hold match to pilot until pi lot lights 4 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow step 8 column 2 5 Replace front panel 104401 INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 19 shows acorrect pilot flame pattern Figure 20 shows an incorrect pilot flame pattern Theincorrect pilot flame is not touch 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 20 e turn heater off see To Turn Off Gas to Appliance page 12 e see Troubleshooting pages 14 through 16 Pilot Burner Figure 20 Incorrect Pilot Flame Pattern BURNER FLAME PATTERN Figure 21 shows a correct burner flame pattern Figure 22 shows an incorrect burner flame pattern The incorrect burner flame pattern shows yellow tipping of the flame It also shows the flame higher than 1 2 the glass panel height 104401 OWNER S MANUAL A WARNING If yellow tipping occurs your heater could pro duce increased levels of carbon monoxide If burner flame pattern shows yellow tipping follow in structions at bottom of this page NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles enter t
16. 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 17 If plan ning to use fan locate heater near an electri cal outlet THERMOSTAT SENSING BULB The thermostat sensing bulb has been placed inside the heater for protection during shipping Locating Thermostat Sensing Bulb 1 Remove front panel of heater see Fig ure 7 page 8 2 Locate thermostat sensing bulb just under burner assembly IMPORTANT Attach thermostat sensing bulb to back of heater for proper operation aes ____ CEILING 36 L e Minimum Minimum From Sides Of Heater Left Right Side Side Saas 4 Minimum To Top Of 4 aaa ee 3 Carpeting Tile Or Other FLOOR Figure 4 Mounting Clearances As Viewed From Front of Heater 7 Combustible Material Continued VANGUARD BLUE FLAME PROPANE LP GAS HEATER INSTALLATION Continued Attaching Thermostat Sensing Bulb 1 Remove thermostat sensing bulb from holders inside heater Route through slot opening in bottom of heater 2 Place clamp on thermostat sensing bulb as shown in Figure 5 Clamp is pro vided in hardware package 3 Snap clamp into upper mounting hole as shown in Figure 5 Mounting hole is located on lower left edge on back of heater Make sure the thermostat sens ing bulb is pointing up Thermostat Sensing Bulb Figure 5 Attaching Therm
17. f water If you do not reduce incom ing gas pressure heater regulator damage could occur Install the external regulator with the vent pointing down as shown in Figure 13 Pointing the vent down protects it from freezing rain or sleet External Regulator Propane LP Supply Tank Vent Pointing Down Figure 13 External Regulator With Vent Pointing Down 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 of large enough diameter to allow proper gas volume to heater If pipe is too small undue loss of pres sure will occur Typical Inlet Pipe Diameters VP2000BTD VP2800BTD Installation must include equipment 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 14 IMPORTANT Install anequipment shutoff valve in an accessible location The equip ment shutoff valve is for turning on or shutting off the gas to the appliance 3 8 or greater 1 2 or greater Pressure Regulator 3 8 NPT Pipe Nipple Tee Joint Reducer Bushing Test to 1 8 Gauge NPT 1 8 NPT Plug Tap Tee Joint Sediment Trap Pipe Nipple Cap Figure 14 Gas Connection Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe co
18. he heater and burn causing brief patches of orange flame Ifburner flame pattern is incorrect as shown in Figure 22 e turn heater off see To Turn Gas To Ap pliance page 12 e see Troubleshooting pages 14 through 16 DADAADAMAADA AOA AAAI ji Figure 21 Correct Burner Flame Pattern lia Glass Height Yellow Tipping NI PTY Glass Height Figure 22 Incorrect Burner Flame Pattern CLEANING AND MAINTENANCE A 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 pet hair etc ODS PILOT AND BURNER e Use a vacuum cleaner pressurized air or small soft bristled brush to clean CLEANING BURNER PILOT AIR INLET HOLE We recommend that you clean the unit every 2 500 hours of operation orevery three months We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed air in a can You can use a vacuum cleaner in the blow position If using compressed ai
19. in long enough 3 Safety interlock system has been triggered Equipment shutoff valve not fully open Thermocouple connection loose at con trol valve 6 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 8 Control valve damaged ns Ke www desatech com 14 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds Wait one minute for safety interlock sys tem to reset Repeat ignition operation Fully open equipment shutoff valve Hand tighten until snug then tighten 1 4 turn more A Contact local propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 13 or replace ODS pilot assembly Replace thermocouple Replace control valve 104401 OWNER S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS pilot is lit 1 Burner orifice is clogged 1 Clean burner see Cleaning and Mainte 2 Burner orifice diameter is too small Inlet gas pressure is too low W nance page 13 or replace burner orifice Replace burner orifice Contact local propane LP gas company Delayed ignition of burner 1 Manifold pressure is too low 2 Burner orifice is clogged Co
20. l Service Department at 1 800 323 5190 Whencalling DESA International 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 Whencalling DESA International have ready e model number of your heater e the replacement part number SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit e burner will have delayed ignition e heater will not produce specified heat e propane LP gas supply may be low When Gas Quality Is Bad e pilot will not stay lit e burner 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 propane LP gas supplier VANGUARD BLUE FLAME PROPANE LP GAS HEATER ILLUSTRATED PARTS BREAKDOWN VP2000BTD VP2800BTD ODS Pilot Assembly 18 104401 OWNER S MANUAL PARTS L ST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed VP2000BTD VP2800BTD KEY PART NUMBER FOR NO VP2000BTD VP
21. ntact local propane LP gas company Clean burner see Cleaning and Mainte nance page 13 or replace burner orifice Burner backfiring during combustion 1 Burner orifice is clogged or damaged 2 Burner damaged 3 Gas regulator defective Clean burner see Cleaning and Mainte nance page 13 or replace burner orifice Replace burner Replace gas regulator Yellow flame during burner combustion 1 Not enough air 2 Gas regulator defective Check burner for dirt and debris If found clean burner see Cleaning and Maintenance page 13 Replace gas regulator Slight smoke or odor during initial operation 1 Residues from manufacturing processes Problem will stop after a few hours of operation Heater produces a whistling noise when 1 Turning control knob to HI position burner is lit when burner is cold 2 Air in gas line 3 Air passageways on heater blocked 4 Dirty or partially clogged burner orifice www desatech com 104401 15 Turn control knob to LO position and let warm up for a minute Operate burner until air is removed from line Have gas line checked by local pro pane LP gas company Observe minimum installation clear ances see Figure 4 page 7 Clean burner see Cleaning and Mainte nance page 13 or replace burner orifice Continued VANGUARD BLUE FLAME PROPANE LP GAS HEATER TROUBLESHOOTING Continued building A WARNING If you
22. on and Venti lation section on page 4 of this manual This appliance may be installed in an aftermarket permanently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer Save this manual for future reference VANGUARD BLUE FLAME PROPANE LP GAS HEATER SAFETY INFORMATION Awarnines 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 AX DANGER Carbon monoxide poisoning may lead to death Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance 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 re main hot for a time after shut down Allow surface to cool be fore touching Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning re
23. or similar object to clean ODS pilot This can damage ODS pilot unit REMEDY When ignitor button is pressed 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 Replace ignitor Replace ignitor Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Replace ignitor cable Replace piezo ignitor When ignitor button is pressed there is spark at ODS pilot but no ignition 1 Gas supply turned off or equipment shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed 5 Depleted gas supply 6 ODS pilot is clogged 7 Gas regulator setting is not correct Turn on gas supply or open equipment shutoff valve Turn control knob to PILOT position Press in control knob while in PILOT position Continue holding down control knob Re peat igniting operation until air is removed Contact local propane LP gas company Clean ODS pilot see Cleaning and Maintenance page 13 or replace ODS pilot assembly Replace gas regulator ODS pilot lights but flame goes out when control knob is released 1 Control knob not fully pressed in 2 Control knob not pressed
24. ostat Sensing Bulb INSTALLING HEATER TO WALL Mounting Bracket Locate mounting bracket in heater carton Remove mounting bracket from heater carton Figure 6 Mounting Bracket Removing Front Panel Of Heater 1 Remove two screws near bottom cor ners of front panel 2 Liftstraight up on grill guard until it stops Grill guard will slide up about 1 4 3 Pull bottom of front panel forward then down 4 Remove cardboard packing from grill and glass Figure 7 Removing Front Panel Of Heater 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 pro vides 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 Decide which method better suits yourneeds 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
25. pace 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 50 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 puii Vent free heater _ 20 000 Btu Hr as fireplace logs Btu Hr ra A na P oo aces ee 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 60 000 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
26. propane LP supply tank valve 3 Check all joints from propane LP sup OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING 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 4 ply tank to equipment shutoff valve see Figure 16 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once 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 A CAUTION Make sure exter nal regulator has been installed between propane LP supply and heater See guidelines under Con necting to Gas Supply page 10 Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 Disconnect appliance with its appliance main gas valve control valve and equip ment shutoff valve from gas supply pip ing system Pressures in excess of 1 2 psig will damage heater regulator Cap off open end of gas pipe where equipment shutoff valve was connected Pressurize supply piping system by ei ther using compressed air or opening propane LP supply tank valve Check all joints of gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles form ing show a leak Correct all leaks a
27. r 30 seconds This will allow air to bleed from the gas system e If control knob does not pop up when released contact a qualified service person or gas supplier for repairs 6 With control knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the front of burner The pilot can be seen through the glass panel If needed keep pressing ignitor button until pilot lights Ignitor Button Control Knob IGNITOR Figure 17 Control Knob In The OFF Position Note If pilot does not stay lit refer to Troubleshooting pages 14 through 16 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 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob e Ifcontrol knob does not pop up when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 3 through 7 This heater has a safety interlock system Wait one 1 minute before lighting pilot again 8 Turn control knob counterclockwise amp N to desired heating level The main burner should light Set control knob to any heat level between HI and LO Accaution Donottry to adjust heating levels by using the equip ment shutoff valve Ignitor Electrode Thermocouple Pilot Burner Figu
28. r in a can please follow the directions on the can If you don t follow directions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot for dust and dirt a Blow air through the ports slots and holes in the burner Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 23 With the unit off lightly blow air through the air inlet hole You may blow through adrinking straw if compressed air is not available Pilot Assembly Figure 23 Pilot Inlet Air Hole 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 VANGUARD BLUE FLAME PROPANE LP GAS HEATER 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 AX 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
29. re 18 Pilot ee TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1 Turn control knob clockwise N 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 XN to the PILOT position THERMOSTAT CONTROL OPERATION The thermostatic control used on these models differs from standard thermo stats Standard thermostats simply turn on and off the burner The thermostat used on this heater senses the room tem perature The thermostat adjusts the amount of gas flow to the burner This increases or decreases the burner flame height At times the room may exceed the set temperature If so the burner will shut off The burner will cycle back on when room temperature drops below the set temperature The control knob can be set to any heat level between HI and LO Selecting the HI setting will cause the burner to remain fully on without modu lating down in most cases 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 La MANUAL LIGHTING PROCEDURE 1 Remove front panel see Figure 7 page 8 2 Followsteps 1 through 5 under Light ing Pro
30. 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 persons with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Propane LP Gas Propane LP gas is odor less An odor making agent is added to pro pane LP gas The odor helps you detect a propane LP gas leak However the odor added to propane LP gas can fade Propane LP 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 Ay WARNING Any change to this heater or its controls can be dangerous A WARNING Do not use any accessory not approved for use with this heater Carefully supervise young chil dren when they are in the same room with heater Make sure grill guard is in place before running heater Keep the appliance area clear and free from combustible materials gasoline and other flammable vapors and liquids 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 Do not place propane LP supply tank s inside any structure Locate propane LP suppl
31. t once Reconnect heater and equipment shutoff valve to gas supply Check re connected fittings for leaks 104401 Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Fig ure 15 Open propane LP supply tank valve 3 Make sure control knob of heater is in the OFF position 4 Check all joints from equipment shutoff valve to thermostat gas valve see Fig Equipment Shutoff Valve ure 16 Apply mixture of liquid soap and water to gas joints Bubbles form ing show a leak Correct all leaks at once Light heater see Operating Heater pages 11 and 12 Check all other in ternal joints for leaks Turn off heater see To Turn Off Gas to Appliance page 12 Replace front panel t Open Figure 15 Equipment Shutoff Valve Propane LP Supply Tank A TEH Thermostat Gas Valve TU UOOOOOOCOOCDOCOooeoLUCCOC Shutoff Valve Figure 16 Checking Gas Joints 11 Equipment This appliance has a pilot which must be lighted by hand When lighting 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 building Immediatel
32. tach ing To Wall Anchor Method If installing bottom mounting screw into wall stud drill holes at marked lo cations using 9 64 drill bit Replace heater onto mounting bracket Place spacers between bottom mount ing holes and wall anchor or drilled hole 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 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 VANGUARD BLUE FLAME PROPANE LP GAS HEATER INSTALLATION Continued CONNECTING TO GAS SUPPLY AX WARNING This appliance re quires a 3 8 NPT National Pipe Thread inlet connection to the pressure regulator AX WARNING A qualified service person mustconnectheaterto gas supply Follow all local codes A CAUTION Neverconnectheater directly to the propane LP supply This heater requires an external regulator not supplied Install the external regulator between the heater and propane LP supply The installer must supply an external regu lator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches o
33. tandard written warranty We make no other warranty expressed or implied LIMITED WARRANTY VENT FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for four 4 years and five 5 years on stainless steel burners 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 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
34. to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THEJURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURA TION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ON ALL COMPONENTS AND FIVE 5 YEARS ON STAINLESS STEEL BURNERS 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 For information about this warranty write DE S INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 104401 01 NOT A UPC 104401 01 Rev C 02 00
35. uate fresh air for these appliances This will insure proper venting of vented fuel burning appliances 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 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 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 6x10 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 proceed to De termining Fresh Air Flow For Heater Lo
36. uld 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 14 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 IMPORTANT Hold the pressure regulator with wrench when connecting it to gas pip ing and or fittings Note Burner bracket not shown for clarity Ground Heater Joint Union Cabinet Equipment Shutoff Valve Typical Inlet Pipe a From External Regulator 11 W C to 14 W C Pressure A CSA AGA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA AGA design certified equipment shutoff valve from your dealer See Accessories page 17 10 104401 INSTALLATION Continued CHECKING GAS CONNECTIONS A WARNING Test all gas pip ing and connections for leaks after installing or servicing Cor rect all leaks at once OWNER S MANUAL Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Fig ure 15 2 Pressurize supply piping system by ei ther using compressed air or opening
37. y 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 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 BLUE FLAME PROPANE LP GAS HEATER OPERATING HEATER Continued LIGHTING a INSTRUCTIONS 1 STOP Read the safety information column 3 page 11 2 Make sure equipment shutoff valve is fully open 3 Turn control knob clockwise N to 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 11 If you don t smell gas go to the next step 5 Turn control knob counterclockwise to the PILOT position Press in control knob for five 5 sec onds see Figure 17 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 fo
38. y tank s outdoors If you smell gas shut off gas supply do not try to light any appliance do not touch any electrical switch do not use any phone in your building immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions if you cannot reach your gas supplier call the fire department 4 This heater shall not be installed in a bedroom or bathroom 5 This heater needs fresh outside air ven tilation to run properly This heater has an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation pages 4 through 6 6 Keep all air openings in front and bot tom of heater clear and free of debris This will insure enough air for proper combustion 7 If heater shuts off do not relight until you provide fresh outside air If heater keeps shutting off have it serviced 8 Do not run heater e where flammable liquids or vapors are used or stored e under dusty conditions 9 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 10 Turn off and unplug heater and let cool before servicing Only a qualified service person should service and repair heater 11 Operating heater above elevations of 4 500 feet could
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