Desa VP600BA User's Manual
Contents
1. Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 2 Pressurize supply piping system by ei ther using compressed air or opening propane LP supply tank valve 3 Check all joints from propane LP sup ply tank to equipment shutoff valve see Figure 15 Apply mixture of liquid soap and water to gas joints Bubbles OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING forming show a leak 4 Correct all leaks at once Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Fig 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 ure 14 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 B valve to control valve see Figure 15 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show a leak 5 Correct all leaks at once a Light heater see Operating Heater pages 10 and 11 Check the rest of the internal joints for leaks 7 Turn off heater see To Turn Off Gas to This appliance has a pilot which must be lighted by hand When lighting the pilot follow these in structions exactly BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier tha2. VANGUARD BLUE FLAME VENT FREE PROPANE LP GAS HEATER OWNER S OPERATION AND INSTALLATION MANUAL VP600BA 6000 Btu Hr Manually Controlled Models WARNING If the information in this manual is not WARNING Improper installa followed exactly a fire or explosion may result caus tion adjustment alteration ser ing property damage personal injury or loss of life vice or maintenance can cause injury or property damage Re Do not store or use gasoline or other fer to this manual for correct flammable vapors and liquids in the vicinity of installation and operational this or any other appliance procedures For assistance or WHAT TO DO IF YOU SMELL GAS additional information consult Do not try to light any appliance a pt abc ile Do not touch any electrical switch do not use agency or the gas Supptier any phone in your building Immediately call your gas supplier from a WARNING This is an unvented gas fired heater It uses air oxy gen from the room in which itis installed Provisions for ad equate combustion and ventila Installation and service must be performed by a tion air must be provided Refer qualified installer service agency or the gas to Air For Combustion and Ven supplier tilationon page 4 of this manual neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department This appliance may be installe
3. ing Gas Connections page 10 Moisture condensation noticed on windows 104272 Not enough combustion ventilation air www desatech com 15 Refer to Air for Combustion and Venti lation requirements page 4 VANGUARD VENT FREE PROPANE LP GAS HEATER ILLUSTRATED PARTS BREAKDOWN VP600BA 16 104272 OWNER S MANUAL This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 18 of this manual PARTS LIST VP600BA 104272 PART NUMBER 098304 01 099467 03 099318 04 101108 01 102017 02 098260 11 098532 06AA M11084 38 098352 03BR 098271 03 098249 01 099059 03 098514 01 098594 01 104263 02 099387 05 104259 04 NJF 8C 099415 13 099462 01 099391 02 099413 02 099468 16 097159 04 099393 02 098508 01 098303 02 099553 01 099818 01 DESCRIPTION Screw 10 x 3 8 Front Panel Assembly Grill Guard Grill Guard Clip Bottom Glass Retainer Glass Panel Top Glass Retainer Screw 8 x 3 8 Deflector Unit Ignitor Cable Nut M5 ODS Pilot Assembly Thermocouple Ignitor Electrode Burner Pilot Tubing Injector 1 Piece Hex Nut Pressure Regulator Burner Tubing Regulator Tubing Control Valve Cabinet Piezo Ignitor Control Knob Valve Retainer Nut Screw 6 x 5 16 Pilot Shield Internal Tooth Washer B pee oa aon nnn nnn nnn CA an ap PARTS A
4. 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 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 possible While it is good to make your home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper com bustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide ad equate fresh air for these appliances This will insure proper venting of vented fuel burning appliances 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 All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The infor
5. Figure 21 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 Ifburner flame pattern is incorrect as shown in Figure 21 e turn heater off see To Turn Off Gas to Appliance page 11 e see Troubleshooting pages 13 through 15 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 Dust or other fine particles enter the heater and burn causing brief patches of orange flame Figure 20 Correct Burner Flame Pattern ii ii r a mE 1 2 GLASS Figure 21 Incorrect Burner Flame Pattern CLEANING AND MAINTENANCE Ay 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 ORIFICE e Use a vacuum cleaner pressurized air or small soft bristled brush to clean 12 Ta HEIGHT Yellow Tippin am
6. 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 Wn 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 10 Heater shuts off in use ODS operates j Ww N Not enough fresh air is available Low line pressure ODS pilot is partially clogged Open window and or door for ventilation Contact local propane LP gas company Clean ODS pilot see Cleaning and Maintenance page 12 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 10 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
7. 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 104272 5 VANGUARD VENT FREE 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 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 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 space
8. pilot can be seen through the glass panel If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 13 through 15 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 104272 Thermocouple IGNITOR HD Ey Figure 16 Control Knob In The OFF Position Ignitor Pilot Burner Electrode Figure 17 Pilot VANGUARD VENT FREE PROPANE LP GAS HEATER INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 18 shows a correct pilot flame pat tern Figure 19 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 If pilot flame pattern is incorrect as shown in Figure 19 e turn heater off see To Turn Off Gas to Appliance page 11 e see Troubleshooting pages 13 through 15 Pilot Burner Z Thermocouple bs Figure 18 Correct Pilot Flame Pattern Pilot Burner Thermocouple Figure 19 Incorrect Pilot Flame Pattern BURNER FLAME PATTERN Figure 20 shows a correct burner flame pattern
9. A HEIGHT 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 air 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 Inspect burner pilot for dust and dirt ahd 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 22 With the unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available Figure 22 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 104272 TROUB
10. ATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS pilot is lit 1 Burner orifice is clogged 1 Clean burner orifice see Cleaning and 2 Burner orifice diameter is too small Inlet gas pressure is too low W Maintenance page 12 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 Contact local propane LP gas company Clean burner orifice see Cleaning and Maintenance page 12 or replace burner orifice Burner backfiring during combustion 1 Burner orifice is clogged or damaged 2 Inlet gas pressure is too low 3 Burner damaged 4 Gas regulator defective Clean burner orifice see Cleaning and Maintenance page 12 or replace burner orifice Contact local propane LP gas company Replace burner Replace gas regulator Yellow flame during burner combustion 1 Not enough air 2 Inlet gas pressure is too low 3 Gas regulator defective Check burner for dirt and debris If found clean burner see Cleaning and Maintenance page 12 Contact local propane LP gas company 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 Turn control knob to HIGH po
11. LESHOOTING Note For additional help visit DESA International s technical service web site at www desatech com Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM OWNER S MANUAL A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater POSSIBLE CAUSE A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit REMEDY When ignitor button is pressed 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 Piezo ignitor nut is loose Broken ignitor cable Bad piezo ignitor sD 1 Replace ignitor 2 Replace ignitor 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 5 Tighten nut holding piezo ignitor to heater cabinet Nut is located inside heater cabinet at top 6 Replace ignitor cable 7 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 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed W n Depleted gas supply 6 ODS pilot is clogg
12. Then smell for gas including near the floor If you smell gas STOP Fol low B in the safety information on page 10 column 3 If you don t smell wise y N Note Both HIGH and LOW are locked positions You must press in control knob before turning it from these positions MANUAL LIGHTING PROCEDURE Remove front panel see Figure 10 page 8 gas go to the next step A CAUTION Do not try to ad 2 Follow steps 1 through 5 under Light Press in control knob and turn coun just heating levels by using the ing Instructions terclockwise 42 gt to the PILOT equipment shutoff valve 3 With control knob pressed in strike position Keep control knob pressed match Hold match to pilot until pi in for five 5 seconds see Figure 16 i lot lights Note You may be running this loitan Buton enal Angh 4 Keep control knob pressed in for 30 heater for the first time after hook seconds after pilot is lit After 30 sec ing up to gas supply If so the con onds release control knob Follow trol knob may need to be pressed in ee ss te step 8 under Lighting Instructions for 30 seconds This will allow air to 5 Replace front panel 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 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
13. 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 re pair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been un der water f pim Equipment 104272 OWNER S MANUAL TO TURN OFF GAS TO APPLIANCE If control knob does not pop up when released contact a qualified service person or gas supplier for OPERATING HEATER Continued repairs Shutting Off Heater Note If pilot goes out repeat steps 1 Turn control knob clockwise LIGHTING 3 through 7 to the PILOT position INSTRUCTIONS Turn control knob counterclockwise 2 Press in control knob and turn clock STOP Read the safety information page 10 column 3 Y N to the HIGH position The main burner should light Set control knob to any heat level between HIGH wise N to the OFF position Shutting Off Burner Only pilot a sure equipment shutoff valve and LOW To turn control knobfrom stays lit Is fully open HIGH to a lower setting press in the Turn control knob clockwise control knob and turn counterclock riot NT Z Nto to the OFF position Wait five 5 minutes to clear out any gas
14. VAILABLE NOT SHOWN 099395 09 100642 02 Control Position Label Assembly Hardware 4 VANGUARD VENT FREE PROPANE LP GAS HEATER SPECIFICATIONS VP600BA Btu Variable 4 400 6 000 Type Gas Propane LP Only Ignition Piezo Pressure Regulator Setting 8 W C Inlet Gas Pressure inches of water Heater Dimensions Inches H x W x D Shipping Weight pounds SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit 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 SERVICE PUBLICATIONS You can purchase a service manual from the address listed on the back page of this manual Send a check for 5 00 payable to DESA International 14 Max 11 Min 21 5 H x 13 5 W x 7 D TECHNICAL SERVICE You may have further questions about in stallation operation or troubleshooting If so contact DESA International s Technical Service Department at 1 800 323 5190 You can also visit DESA International s technical service web site at www desatech com ACCESSORY Purchase this heater accessory from your local dealer If they cannot supply this ac cessory call DESA Intern
15. al 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 Ay 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 Accessory page 18 104272 OWNER S MANUAL LOCATING HEATER This heater is designed to be mounted on a wall AR WARNING Maintain the mini mum clearances shown in Figure 4 Ifyoucan provide greater clear ances from floor ceiling and joining wall AX WARNING Never install the heater e in a recreational vehicle where curtains furniture clothing or othe
16. ane LP Eemal Supply Tank pply Y Regulator a Vent Pointing Down Figure 12 External Regulator witn vent Pointing Down 104272 OWNER S MANUAL 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 3 8 diameter or greater to allow proper gas volume to heater If pipe is too small undue loss of pressure will occur Installation must include a equipment shutoff valve ground joint union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 13 An appliance main gas valve equipment shutoff valve shall be provided in an accessible location for turning on or shutting off the gas to the appliance IMPORTANT Install an equipment 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 NPT Pipe None Sh ES Equipment Shutoff Valve From External Regulator 11 W C to 14 eS W C Pressure 3 Minimum gi Figure 13 Gas Connection 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 li
17. ational 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 EQUIPMENT SHUTOFF VALVE GA5010 Equipment 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 referral infor mation When contacting your dealer or DESA In ternational have ready e your name and 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 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 e model number of your heater e the replacement part number 104272 OWNER S MANUAL NOTES WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating wit
18. 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 2304 cu ft volume of space 50 cu ft 46 1 or 46 100 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 Vented face Btu H Gas water heater 40 000 Btu Hr ae E ES a S gt aes Vent free heater 6 000 Btu Hr Se AH Tefal 46 000 Bt Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 46 100 Btu Hr maximum the space can support 46 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoin ing room or add ventilation grills between rooms See Ventilation Air From Inside Building page 6 B Vent room directly to the outdoors See Ventilation Air From Outdoors
19. d 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 VENT FREE PROPANE LP GAS HEATER SAFETY INFORMATION A WARNINGS IMPORTANT Read this owner s manual carefully and completely before trying to assemble oper ate or service this heater Im proper use of this heater can cause serious injury or death from burns fire explosion and car bon monoxide poisoning AX DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness and or nau sea 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 people 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 propane LP gas The odor helps you detect a propane LP gas leak However the odor added to propane LP gas can fade Pro pane LP gas ma
20. e do not touch any electrical switch do not use any phone in your building immediately call your gas supplier from a neighbor s phone Follow the gas suppliers instructions if you cannot reach your gas supplier call the fire department 10 11 12 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 Keep all air openings in the front and bottom of heater clear and free of de bris 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 e where flammable liquids or vapors are used or stored e under dusty conditions Before using furniture polish wax car pet cleaner or similar products turn heater off If heated the vapors from these products may create a white pow der reside within burner box or on ad jacent walls or furniture 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 heate
21. e 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 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 104272 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 Space size 18 ft 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 openings add the volume of these rooms to the total volume of the space 2 Divide the space volume
22. ed 7 Gas regulator setting is not correct 1 Turn on gas supply or open equipment shutoff valve 2 Turn control knob to PILOT position 3 Press in control knob while in PILOT position 4 Continue holding down control knob Repeat igniting operation until air is re moved 5 Contact local propane LP gas company 6 Clean ODS pilot see Cleaning and Maintenance page 12 or replace ODS pilot assembly 7 Replace gas regulator ODS pilot lights but flame goes out when control knob is released 104272 1 Control knob not fully pressed in 2 Control knob not pressed in long enough 3 Equipment shutoff valve not fully open 4 Thermocouple connection loose at con trol valve 5 Pilot flame not touching thermocouple which allows thermocouple to cool causing pilot flame to go out This prob lem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot Thermocouple damaged Control valve damaged sD www desatech com 13 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Fully open equipment shutoff valve 4 Hand tighten until snug then tighten 1 4 turn more 5 A Contact local propane LP gas com pany B Clean ODS pilot see Cleaning and Maintenance page 12 or replace ODS pilot assembly 6 Replace thermocouple 7 Replace control valve Continued VANGUARD VENT FREE PROPANE LP GAS HE
23. ermine 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 8 7 8 7 3 4 Minimum To Maintain 6 Clearance From Wall 1 EN lt X Mounting 20 1 4 O Screw Minimum To Z Locations Maintain 3 zZ Clearance O From Floor 5 FLOOR Figure 5 Mounting Screw Locations Continued VANGUARD VENT FREE PROPANE LP GAS HEATER INSTALLATION 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 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 4 deep Fold wall anchor see Figure 6 Insert wall anchor wings first into hole Tap anchor flush to wall For thin walls 1 2 or less insert red key into wall anch
24. h the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implied LIMITED WARRANTY 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 maintena
25. mation 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 6 x 10 kg per pa sec m or less with open ings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames be tween sole plates and floors be tween wall ceiling joints be tween wall panels at penetra tions for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide ad ditional fresh air See Ventilation Air From Outdoors page 6 If your home does not meet all of the three criteria above proceed to Deter mining Fresh Air Flow for Heater Location page 5 Confined and Unconfined Space The National Fuel Gas Code ANS Z223 1 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m3 per kw of the aggre gate input rating of all appliances installed in that spac
26. n air and will settle on the floor WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance Do not touch any electric switch do not use any phone in your building 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 at once Reconnect heater and equipment shutoff valve to gas supply Check re connected fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Fig ure 14 Appliance page 11 8 Replace front panel Open Equipment Shutoff Valve e 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 Closed Figure 14 Equipment Shutoff Valve Propane LP Control Valve Location Y TT A Figure 15 Checking Gas Joints 10 C
27. nce or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF 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 DES A INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 104272 01 104272 01 Rev D NOT A UPC 03 00
28. ne as shown in Figure 13 Locate sediment trap where it is within reach for cleaning Locate sedi ment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly IMPORTANT Hold pressure regulator with wrench when connecting it to gas pip ing and or fittings Pressure Regulator Heater Cabinet Ground Joint Union Tee Joint Reducer Bushing to Test Gauge 1 8 NPT Connection Plug Tap Tee Joint Pipe Nipple Cap Sediment Trap 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 Accessory page 18 Continued VANGUARD VENT FREE PROPANE LP GAS HEATER INSTALLATION Continued CHECKING GAS CONNECTIONS A WARNING Test all gas pip ing and connections for leaks after installation or servicing Correct all leaks at once AR WARNING Never use an open flame to check for a leak Apply a mixture of liquid soap and water toalljoints Bubbles forming show a leak Correct all leaks at once 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 9
29. nstalling bottom mounting screw into wall stud drill hole at marked lo cation using 9 64 drill bit Replace heater on wall Insert bottom anchor screw through back panel into bottom anchor or drilled hole see Figure 11 Tighten screw until heater is firmly se cured 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 page 9 and 10 Figure 11 Installing Bottom Mounting Screw 104272 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 Accaution Neverconnect heater 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 between 11 and 14 inches of water If you do not reduce incom ing gas pressure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 12 Pointing the vent down protects it from freezing rain or sleet Prop
30. or 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 Tighten two screws until 1 16 space thickness of penny is between screwheads and wall see Figure 8 Figure 6 Folding Anchor Thin Walls 1 4 to 1 2 thick lt lt oe Figure 7 Popping Open Anchor Wings For Thin Walls Thin or Thick Wall thick wall shown 1 16 Space Figure 8 Tightening Anchors 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 Keyhole 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 Figure 10 Removing Front Panel Of Heater Installing Bottom Mounting Screw 1 Pe 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 If installing bottom mounting screw into hollow or solid wall install wall anchor Follow steps 1 through 5 un der Attaching To Wall Anchor Method If i
31. r Operating heater above elevations of 4 500 feet could cause pilot outage To prevent performance problems do not use propane LP fuel tank of less than 100 lbs capacity 104272 PRODUCT IDENTIFICATION OWNER S MANUAL Piezo Ignitor Button Control Knob Grill Guard Burners Front Panel Figure 1 Vent Free Propane LP 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 The National Fuel Gas Code ANS Z223 1 also known as NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 104272 TTT J gt Cebit UNPACKING 1 Ze Remove heater from carton Remove all protective packaging ap plied to heater for shipment Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater PRODUCT FEATURES SAFETY PILOT 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 batteries or other sources to light heater VANGUARD VENT FREE PROPANE LP GAS HEATER
32. r flammable objects are less than 36 inches from the front top or sides of the heater as a fireplace insert e 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 e heater pilot and burner must be at least 18 inches above floor e locate heater where moving vehicle will not hit it Forconvenience andefficiency install heater e where there is easy access for operation inspection and service e in coldest part of room CEILING 36 Minimum epen Minimum From Sides Of Heater Hy Right Left Side Side INOinGtonaccagggy 3 Minimum To 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 Det
33. s 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 Ventilation Grills Or into Adjoining Remove Room Door into Option 1 Adjoining Room Option 3 12 12 Ventilation Grills Into Adjoining Room Option 2 Figure 2 Ventilation Air from Inside Building Outlet Air Outlet Air H Inlet Air L ALEAN Ventilated Attic To Attic To Crawl Space Inlet Air Ventilated Crawl Space Figure 3 Ventilation Air from Outdoors 104272 INSTALLATION NOTICE This heater is intended for use as supplemental heat Use this heater along with your pri mary heating system Do not in stall this heater as your primary heat source If you have a centr
34. sition 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 Turn control knob to LOW position and let warm up for a minute Operate burner until air is removed from line Have gas checked by local propane LP gas company Observe minimum installation clear ances see Figure 4 page 7 Clean burner see Cleaning and Mainte nance page 12 or replace burner orifice White powder residue forming within burner 1 When heated vapors from furniture pol box or on adjacent walls or furniture ish wax carpet cleaners etc turn into white powder residue www desatech com 14 Turn heater off when using furniture polish wax carpet cleaners or similar products 104272 TROUBLESHOOTING Continued OWNER S MANUAL building Ay WARNING If you 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 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
35. y 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 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 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 supply tank s outdoors If you smell gas shut off gas supply e do not try to light any applianc
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