Desa Vanguard VN2000BTD, Owner'S Operation And Installation Manual

Page 1: ...onandservicemustbeperformed by a qualified installer service agency or the gas supplier WARNING This is an unvented gas firedheater Itusesair oxy gen from the room in which it is installed Provisions for ad equate combustion and venti lation air must be provided Refer to Air For Combustion andVentilationsectiononpage 4 of this manual WARNING Improper installa tion adjustment alteration ser vice or...

Page 2: ...3 This heater shall not be installed in a bedroom or bathroom 4 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 5 Keep all air openings in front and bot tom of heater clear and free of debr...

Page 3: ... is damaged promptly inform dealer where you bought heater Figure 1 Vent Free Natural Gas Heater Models VN2800BTD Shown Ignitor Button Control Knob Heater Cabinet Front Panel 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 n...

Page 4: ...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 11 kg per pa sec m2 or less with open ings gasketed or sealed and b weather stripping has been added on ...

Page 5: ...t 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 H...

Page 6: ...eatticwillactivatethepowervent AIR FOR COMBUSTION AND VENTILATION Continued Or Remove Door into Adjoining Room Option 3 Ventilation Grills Into Adjoining Room Option 2 12 12 Ventilation Grills into Adjoining Room Option 1 VENTILATION AIR Ventilation Air From Inside Building Thisfreshairwouldcomefromanadjoining unconfined space When ventilating to an adjoining unconfined space you must pro vide two...

Page 7: ... where impurities such as to bacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls 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 ...

Page 8: ...whichmethodbettersuitsyourneeds Eithermethodwillprovideasecureholdfor the mounting bracket Removing Front Panel Of Heater 1 Remove two screws near bottom cor ners of front panel 2 Liftstraightupongrillguarduntilitstops 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 INSTALLATION Continued Figure 5 Attaching Thermost...

Page 9: ...h bracket and into wall anchors 7 Tighten screws until mounting bracket is firmly fastened to wall Placing Heater On Mounting Bracket 1 Locate two horizontal slots on back panel of heater 2 Place heater onto mounting bracket Slide horizontal slots onto stand out tabs on mounting bracket Figure 12 Installing Bottom Mounting Screws Figure 10 Popping Open Anchor Wings For Thin Walls Figure 11 Mountin...

Page 10: ...ent shutoff valve is for turning on or shutting off the gas to the appliance 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 Installsedimenttrapinsupplylineasshown in Figure 13 Locate sediment trap where it is within reach for cleaning Locate sedi ment trap where trapped matter is no...

Page 11: ...f valve see Fig ure 14 2 Open main gas valve located on or near gas meter 3 Make sure control knob of heater is in the OFF position 4 Check all joints from equipment shutoff valve to thermostat gas valve see Fig ure 15 Apply mixture of liquid soap and water to gas joints Bubbles form ing show a leak 5 Correct all leaks at once 6 Light heater see Operating Heater pages 11 and 12 Check all other in ...

Page 12: ...ugh 16 Also contact a qualified service person or gas supplier for repairs Untilrepairsaremade lightpilotwith match To light pilot with match see Manual Lighting Procedure 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Ifcontrolknobdoesnotpopupwhen released contact a qualified service person or gas supplier for repairs Note If pilot goes ou...

Page 13: ... 500 hours of operation or every three months Wealsorecommendthatyoukeeptheburner tube and pilot assembly clean and free of dustanddirt Tocleanthesepartswerecom mend using compressed air no greater than 30 PSI Your local computer store hard ware store or home center may carry com pressed air in a can You can use a vacuum cleaner in the blow position If using com pressed air in a can please follow ...

Page 14: ...e damaged 8 Control valve damaged REMEDY 1 Replace ignitor 2 Replace ignitor 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 5 Replace ignitor cable 6 Replace piezo ignitor 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 ...

Page 15: ...aintenance page 13 2 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural gas company 3 Observe minimum installation clear ances see Figure 4 page 7 4 Clean burner see Cleaning and Mainte nance page 13 or replace burner orifice P...

Page 16: ...ng statement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak SeeWarning statement at top of page 1 Not enough combustion ventilation air OBSERVED PROBLEM Heater produces a clicking ticking noise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF posi...

Page 17: ... PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Techni cal Service Department at 1 800 323 5190 WhencallingDESAInternational haveready your name your address model and serial numbers of your heater how heater was malfunctioning typeofgasused propane LPornaturalgas purchase date Usually we will ask you to re...

Page 18: ...18 104402 BLUE FLAME NATURAL GAS HEATER 1 2 3 4 5 6 8 9 10 10 11 12 13 14 15 17 19 20 21 22 23 16 24 7 18 ODS Pilot Assembly ILLUSTRATED PARTS BREAKDOWN VN2000BTD VN2800BTD 12 1 12 2 ...

Page 19: ...0 098271 03 098271 03 Ignitor Cable 1 11 098249 01 098249 01 Nut M5 2 12 103594 05 103594 05 ODS Pilot Assembly 1 12 1 098514 01 098514 01 Thermocouple 1 12 2 106842 01 106842 01 Ignitor Electrode 1 13 103446 01 103447 01 Burner 1 14 099387 03 099387 03 3 16 Pilot Tubing 1 15 103845 06 103845 08 Injector 1 16 099066 01 099066 01 Mounting Bracket 1 17 099415 07 099415 11 Pressure Regulator 1 18 099...

Page 20: ...anty 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 cos...