Page 2 - CONTENTS; SECTION; WARNINGS; IMPORTANT; : Read this Owner’s Manual carefully and completely; DANGER; Carbon monoxide poisoning may lead to death!; Early signs of carbon monoxide poisoning; SAFETY
2 099570 CONTENTS SECTION PAGE Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Local Codes .......................................................................
Page 3 - Continued
3 099570 SAFETY INFORMATION Continued WARNING ICON G 001 WARNINGS Continued WARNING: Any change to this heater or its controls can be dangerous. 1. Use only natural gas. Do not convert heater to use different fuel type. 2. If you smell gas • shut off gas supply• do not try to light any appliance• do...
Page 4 - Safety Device
4 099570 PRODUCT IDENTIFICATION LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of localcodes, use the latest edition of National Fuel Gas Code ANSI Z223.1, also knownas NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York...
Page 5 - WARNING; PRODUCING ADEQUATE VENTILATION; Unusually Tight Construction; and; Unconfined Space
5 099570 FRESH AIR FOR COMBUSTION AND VENTILATION WARNING ICON G 001 WARNING This heater must have fresh air for proper operation. If not, poorfuel combustion could result. Read the following instructions toinsure proper fresh air for this and other fuel-burning appliancesin your home. Today’s homes...
Page 6 - You must provide additional ventilation air in a confined space.; DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION; Determining if You Have a Confined or Unconfined Space
6 099570 FRESH AIR FOR COMBUSTION AND VENTILATION Continued WARNING ICON G 001 WARNING You must provide additional ventilation air in a confined space. 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 ...
Page 7 - Ventilation Air From Inside Building; Figure 2 - Ventilation Air from Inside Building
7 099570 FRESH AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to anadjoining unconfined space, you must provide two permanent openings: one within 12" of theceiling a...
Page 8 - Ventilation Air From Outdoors; Figure 3 - Ventilation Air from Outdoors
8 099570 FRESH AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR (Continued) Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two perma-nent openings: one within 12" of the ceiling and one within 12" of the floor. Connect...
Page 9 - NOTICE; If you install the heater in a home garage; CHECK GAS TYPE; This heater is designed to be mounted on a wall.; Never install the heater; CAUTION
9 099570 INSTALLING TO WALL NOTICE A qualified service person must install heater. Follow all local codes. Continued WARNING ICON G 001 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 vehicle will not hit...
Page 10 - Figure 5 - Attaching Thermostat Sensing Bulb; THERMOSTAT SENSING BULB; Locating Thermostat Sensing Bulb; opening in bottom of heater.; Figure 4 - Mounting Clearances As Viewed From Front of Heater; For convenience and efficiency, install heater; INSTALLING
10 099570 36" 3" FLOOR CEILING Minimum Minimum To Top Surface Of Carpeting, Tile Or OtherCombustible Material 6" MinimumFromSides OfHeater LeftSide RightSide Figure 5 - Attaching Thermostat Sensing Bulb Clamp ThermostatSensing Bulb THERMOSTAT SENSING BULB (Models VN2000BTA and VN2800BTA ...
Page 11 - INSTALLING HEATER TO WALL; Mounting Bracket; Figure 6 - Mounting Bracket; Methods For Attaching Mounting Bracket To Wall; Attaching to wall stud; This method provides the strongest hold. Insert mounting; Attaching to wall anchor; This method allows you to attach mounting bracket to; Removing Front Panel Of Heater
11 099570 INSTALLING HEATER TO WALL Mounting Bracket The mounting bracket is located on back panel of heater. It has been taped there forshipping. Remove mounting bracket from back panel. MountingBracket Figure 6 - Mounting Bracket Figure 7 - Removing Front Panel Of Heater Methods For Attaching Moun...
Page 12 - Marking Screw Locations; Attaching to wall stud method
12 099570 18 3/4" Min. 11" Min. 16" 18 3/4" Min. 7 1/4" Min. Adjoining Wall 16" Adjoining Wall Only Insert Mounting Screws Through Last Hole On Each End Only Insert Mounting Screws Through Last Hole On Each End Floor Floor Marking Screw Locations 1. Tape mounting bracket to w...
Page 13 - “pop” open anchor wings.; Figure 12 - Installing Bottom Mounting Screws; Placing Heater On Mounting Bracket; Figure 11 - Mounting Heater Onto Mounting Bracket; Installing Bottom Mounting Screws
13 099570 4. 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. Figure 12 - Installing Bottom Mounting Screws Figure 10 - Popping Open...
Page 14 - Typical Pipe Diameters; Use pipe joint sealant that is resistant to natural gas.
14 099570 CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply.Follow all local codes. WARNING ICON G 001 WARNING Never connect heater to private (non-utility) gas well. This gas iscommonly known as well-head gas. Typical Pipe Diameters VN2000BA or VN2000BTA 3...
Page 15 - Figure 13 - Gas Connection; PRESSURE TESTING GAS SUPPLY PIPING SYSTEM; Test Pressures In Excess Of 1/2 PSIG; opening main gas valve located on or near gas meter.; Test all gas piping and connections for leaks after installing or
15 099570 IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. PressureRegulator Tee Joint ReducerBushing to1/8" NPT 1/8" NPTPlug Tap Test Gauge Connection * Tee Joint Pipe Nipple Cap HeaterCabinet 1/2" NPTPipe Nipple Figure 13 - Gas Connection...
Page 16 - water to gas joints. Bubbles forming show a leak.; Test Pressures Equal To or Less Than 1/2 PSIG; gas valve located on or near gas meter.; PRESSURE TESTING HEATER GAS CONNECTIONS; internal joints for leaks.; Figure 14 - Manual Shutoff Valve; Figure 15 - Checking Gas Joints; CHECKING
16 099570 ON POSITION OFF POSITION 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Figure 14).2. Pressuri...
Page 17 - OPERATING; LIGHTING INSTRUCTIONS; Figure 16 - Control Knob In The OFF Position; FOR YOUR SAFETY READ BEFORE LIGHTING
17 099570 PILOT LO OFF HI IGNITOR OPERATING HEATER Models VN2000BTA and VN2800BTA A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floo...
Page 19 - TO TURN OFF GAS TO APPLIANCE; Shutting Off Heater; to the OFF position.; to the PILOT position.; THERMOSTAT CONTROL OPERATION
19 099570 TO TURN OFF GAS TO APPLIANCE OPERATING HEATER Models VN2000BTA and VN2800BTA Continued Shutting Off Heater 1. Turn control knob clockwise Clockwise to the OFF position. 2. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit)...
Page 20 - Figure 18 - Control Knob In The OFF Position
20 099570 OFF HIGH PILOT LOW IGNITOR OPERATING HEATER Model VN2000BA FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure t...
Page 22 - Figure 21 - Incorrect Pilot Flame Pattern; INSPECTING; Check pilot flame pattern and burner flame pattern often.; PILOT FLAME PATTERN; Figure 20 - Correct Pilot Flame Pattern; Shutting Off Burner Only (pilot stays lit); MANUAL LIGHTING PROCEDURE
22 099570 Figure 21 - Incorrect Pilot Flame Pattern INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 20 shows a correct pilot flame pattern. Figure 21 shows an incorrect pilotflame pattern. The incorrect pilot flame is not touching the thermocoup...
Page 23 - BURNER FLAME PATTERN; Figure 22 - Correct Burner Flame Pattern; CORRECT FLAME PATTERN
23 099570 If pilot flame pattern is incorrect, as shown in Figure 21 • turn heater off (see To Turn Off Gas to Appliance, page 19 [models VN2000BTA and VN2800BTA] or page 22 [model VN2000BA]) • see Troubleshooting, pages 24 through 27 BURNER FLAME PATTERN Figure 22 shows a correct burner flame patte...
Page 24 - CABINET; Air Passageways; Turn off heater and let cool before cleaning.; SHOOTING; REMEDY
24 099570 CLEANING AND MAINTENANCE ODS/PILOT AND BURNER • Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean. CABINET Air Passageways • Use a vacuum cleaner or pressurized air to clean. Exterior • Use a soft cloth dampened with a mild soap and water mixture. Wipe the cabin...
Page 28 - SPECIFICATIONS; SERVICE; When gas pressure is too low
28 099570 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical Service Department at 1-800-323-5190. SPECIFICATIONS SERVICE HINTS When gas pressure is too low • pilot will not stay lit• burner will have delay...
Page 29 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready
29 099570 SERVICE PUBLICATIONS You can purchase service manual from the address listed on the back page of thismanual. Send a check for $5.00 payable to DESA International. REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced unde...
Page 30 - ACCESSORIES
30 099570 ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supplythese accessories, call DESA International’s Parts Department at 1-800-972-7879.You can also write to the address listed on the back page of this manual. MANUAL SHUTOFFVALVE - GA5010 For all models....
Page 31 - 2 ODS/Pilot Assembly
31 099570 ILLUSTRATED PARTS LIST Manual ControlModel VN2000BA(Parts list on page 33) 12 ODS/Pilot Assembly (Parts list on page 33) 26 24 34 19 29 33 20 12-1 12-2
Page 33 - PARTS LIST
33 099570 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts on page 29 of this manual. KEY PART NUMBER FOR NO. VN2000BA VN2000BTA VN2800BTA DESCRIPTION QTY. 1 098304-01 098304-01 098304-01 Screw, #10 x 3/8&...
Page 34 - NOTES
34 099570 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ____________________...
Page 36 - KEEP THIS WARRANTY; WARRANTY INFORMATION
LIMITED WARRANTY VANGUARD VENT-FREE PROPANE GAS HEATERS DESA International warrants this product and any parts thereof, to be free from defects in material and work-manship for two years from the date of first purchase, provided that the product has been properly installed,operated, and maintained i...