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 101809 CONTENTS SECTION PAGE Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Local Codes .......................................................................
Page 3 - Continued
3 101809 SAFETY INFORMATION WARNING ICON G 001 WARNINGS Continued WARNING: Any change to this heater or its controls can be dangerous. 1. 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. 2. If you smell gas...
Page 4 - Safety Device
4 101809 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; Unconfined Space; PROVIDING ADEQUATE VENTILATION; Unusually Tight Construction; and
5 101809 AIR FOR COMBUSTION AND VENTILATION WARNING ICON G 001 WARNING This heater shall not be installed in a confined space unlessprovisions are provided for adequate combustion and ventilationair. Read the following instructions to insure proper fresh air forthis and other fuel-burning appliances...
Page 6 - Determining if You Have a Confined or Unconfined Space
6 101809 AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoini...
Page 7 - VENTILATION AIR; Ventilation Air From Inside Building; Figure 2 - Ventilation Air from Inside Building
7 101809 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 WARNING ICON G 001 WARNING If the area in which the heater may be operated is smaller t...
Page 8 - Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Outdoors
8 101809 AIR FOR COMBUSTION AND VENTILATION Continued Figure 3 - Ventilation Air from Outdoors OutletAir VentilatedAttic OutletAir InletAir Inlet Air Ventilated Crawl Space To Crawl Space To Attic Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must pr...
Page 9 - CHECK GAS TYPE; NOTICE; LOCATING HEATER; This heater is designed to be mounted on a wall.; If you install the heater in a home garage; CAUTION; Never install the heater
9 101809 INSTALLING TO WALL Continued CHECK GAS TYPE Use only natural gas. If your gas supply is not natural, do not install heater. Calldealer where you bought heater for proper type heater. INSTALLATION ITEMS Before installing heater, make sure you have the items listed below: • piping (check loca...
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 TO
10 101809 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 The thermostat sensing bulb has ...
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 101809 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 101809 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 101809 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 101809 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 wellhead gas. Typical Pipe Diameters VN2000BTB/CFN2000BTB 3/8...
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 101809 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 101809 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 101809 PILOT LO OFF HI IGNITOR OPERATING HEATER 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 floor because some gas is heavier t...
Page 19 - TO TURN OFF GAS TO APPLIANCE; Shutting Off Heater; to the OFF position.; to the PILOT position.; THERMOSTAT CONTROL OPERATION
19 101809 TO TURN OFF GAS TO APPLIANCE OPERATING HEATER 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) 1. Turn control knob clockwise...
Page 20 - Figure 19 - Incorrect Pilot Flame Pattern; INSPECTING; Check pilot flame pattern and burner flame pattern often.; PILOT FLAME PATTERN; Figure 18 - Correct Pilot Flame Pattern; If pilot flame pattern is incorrect, as shown in Figure 19
20 101809 Figure 19 - Incorrect Pilot Flame Pattern INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 18 shows a correct pilot flame pattern. Figure 19 shows an incorrect pilotflame pattern. The incorrect pilot flame is not touching the thermocoup...
Page 21 - BURNER FLAME PATTERN; Figure 20 - Correct Burner Flame Pattern; CORRECT FLAME PATTERN
21 101809 INSPECTING BURNER Continued BURNER FLAME PATTERN Figure 20 shows a correct burner flame pattern. Figure 21 shows an incorrectburner flame pattern. The incorrect burner flame pattern shows yellow tipping ofthe flame. It also shows the flame higher than 1/2 the glass panel height. NOTICE Do ...
Page 22 - CABINET; Air Passageways; Turn off heater and let cool before cleaning.; SHOOTING; Note: All troubleshooting; REMEDY
22 101809 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 26 - SPECIFICATIONS; SERVICE; When gas pressure is too low
26 101809 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 27 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready
27 101809 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 29 - PARTS LIST
29 101809 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts on page 27 of this manual. KEY PART NUMBER FOR NO. VN2000BTB CFN2000BTB VN2800BTB CFN2800BTB DESCRIPTION QTY. 1 098304-01 098304-01 098304-01 0983...
Page 30 - ACCESSORIES
30 101809 FAN KITS - GA3100A, and GA3200TA For all models. Provides better heat distribu-tion. Makes heater more efficient. Completeinstallation and operating instructionsincluded.Manually controlled - GA3100A. IncludesON/OFF switch.Thermostatically controlled - GA32000TA.Includes three settings: ON...
Page 31 - NOTES
31 101809 _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ __________________________...
Page 32 - KEEP THIS WARRANTY; WARRANTY INFORMATION; LIMITED WARRANTY
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 ourstandard written warranty. We make no other warranty, expr...