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Desa VN2000BB manual

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Table of contents for the manual

  • Page 1

    Save this manual for future reference. ® Model: VGN30B and VN2000BB OWNER’S OPERA TION AND INST ALLA TION MANUAL VENT -FREE NA TURAL GAS HEA TER WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life. — Do not store or use gasoline or other fl[...]

  • Page 2

    2 100099 CONTENTS SECTION PAGE Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Local Codes ................................................................................... 4 Unpacking ......................[...]

  • Page 3

    3 100099 SAFETY INFORMA TION Continued WARNING ICON G 001 W ARNINGS 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 not touch any electrical switch; do not[...]

  • Page 4

    4 100099 PRODUCT IDENTIFICA TION Figure 1 - Vent-Free Natural Gas Heater Ignitor Button Control Knob Heater Cabinet Front Panel Heat Shield (VGN30B) or Glass Panel (VN2000BB) Grill Guard 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 ANSI Z223.1, [...]

  • Page 5

    5 100099 FRESH AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This heater must have fresh air for proper operation. If not, poor fuel combustion could result. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Today’s homes are built more energy efficient than ever.[...]

  • Page 6

    6 100099 FRESH AIR FOR COMBUSTION AND VENTILA TION Continued WARNING ICON G 001 W ARNING 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 confined or unconfined space. Space: Includes th[...]

  • Page 7

    7 100099 FRESH AIR FOR COMBUSTION AND VENTILA TION 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 provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wal[...]

  • Page 8

    8 100099 FRESH AIR FOR COMBUSTION AND VENTILA TION 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 these items directly to the outdoors or space[...]

  • Page 9

    9 100099 INST ALLING T O W ALL NOTICE A qualified service person must install heater. Follow all local codes. CHECK GAS TYPE Use only natural gas. If your gas supply is not natural gas, do not install heater. Call dealer where you bought heater for proper type heater. INSTALLATION ITEMS Before installing the heater, make sure you have the items lis[...]

  • Page 10

    10 100099 36" * FLOOR CEILING Minimum Minimum To Floor 6" Minimum From Sides Of Heater Left Side Right Side WARNINGICON 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 it For convenience and efficiency, install h[...]

  • Page 11

    11 100099 INSTALLING HEATER TO WALL Mounting Bracket The mounting bracket is located on back panel of heater. It has been taped there for shipping. Remove mounting bracket from back panel. Figure 5 - Mounting Bracket Location Removing Front Panel Of Heater 1. Remove two screws near bottom corners of front panel. 2. Lift straight up on grill guard u[...]

  • Page 12

    12 100099 Marking Screw Locations 1. Tape mounting bracket to wall where heater will be located. Make sure mount- ing bracket is level. 2. Mark screw locations on wall (see Figure 7). 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. WARNING ICO[...]

  • Page 13

    13 100099 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 9 - Popping Open Anchor Wings For Thin Walls Installing Bottom Mounting Screws 1. Locate two bottom mounting[...]

  • Page 14

    14 100099 CONNECTING T O GAS SUPPL Y NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. WARNING ICON G001 W ARNING Never connect heater to private (non-utility) gas wells. This gas is commonly known as well-head gas. IMPORTANT: Check gas line pressure before connecting heater to gas line. Gas line pressure [...]

  • Page 15

    15 100099 IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. Pressure Regulator Tee Joint Reducer Bushing to 1/8" NPT 1/8" NPT Plug Tap Test Gauge Connection * Sediment Trap Tee Joint Pipe Nipple Cap Manual Shutoff Valve * Heater Cabinet 1/2" NPT Pipe Nipple Figure 12 - Gas Connection Not[...]

  • Page 16

    16 100099 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 13). 2. Pressurize supply piping system by either using compressed air or opening main gas[...]

  • Page 17

    17 100099 OPERA TING HEA TER 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 to smell next to the floor because some gas is heavier than air and will settle on the floo[...]

  • Page 18

    18 100099 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 information at the top of page 17. If you don’t smell gas, go to the next step. 5. Press in control knob and turn counterclockwise C-clockwise to the PILOT position. Keep control knob pressed [...]

  • Page 19

    19 100099 T O TURN OFF GAS T O APPLIANCE Continued OPERA TING HEA TER Continued Shutting Off Heater 1. Turn control knob clockwise Clockwise to the PILOT position. 2. Press in control knob and turn clockwise Clockwise to the OFF position. 3. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot [...]

  • Page 20

    20 100099 CORRECT FLAME PATTERN AT HIGH POSITION 1/2 HEAT SHIELD OR GLASS HEIGHT INSPECTING BURNER Continued WARNING ICON G 001 W ARNING If yellow tipping occurs, your heater could produce increased levels of carbon monoxide. If burner flame pattern shows yellow tipping, follow instructions at bottom of this page. NOTICE Do not mistake orange flame[...]

  • Page 21

    21 100099 CLEANING AND MAINTENANCE WARNING ICON G001 W ARNING Turn off heater and let cool before cleaning. WARNING ICON G001 CAUTION You must keep control areas, burner, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more [...]

  • Page 22

    22 100099 TROUBLE- SHOOTING Continued OBSERVED PROBLEM When ignitor button is pressed, there is spark at ODS/pilot but no ignition ODS/pilot lights but flame goes out when control knob is released Burner does not light after ODS/pilot is lit POSSIBLE CAUSE 1. Gas supply turned off or manual shutoff valve closed 2. Control knob not in PILOT position[...]

  • Page 23

    23 100099 TROUBLE- SHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit (continued from page 22) Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burner is lit POSSIBLE CAUSE 2. Burne[...]

  • Page 24

    24 100099 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. WAR[...]

  • Page 25

    25 100099 TECHNICAL SER VICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323- 5190. When gas pressure is too low • pilot will not stay lit • burner will have delayed ignition • heater will not produce specified heat When gas quali[...]

  • Page 26

    26 100099 REPLACEMENT P ARTS 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 replace- ment part(s), call DESA International’s Technical Service Department at 1-800- 323-5190. When [...]

  • Page 27

    27 100099 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 information. You can also write to the address listed on the back page of this manual. FAN KIT - GA3100 (GA2100A) Provides better heat distribution. Makes heater[...]

  • Page 28

    28 100099 10-1 10-2 ODS/Pilot 1 2 3 4 5 6 7 8 8 9 10 11 13 14 15 17 19 21 22 23 24 20 27 26 18 28 16 25 12[...]

  • Page 29

    29 100099 VGN30B P ARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 2 098742-15 Front Panel 1 3 098197-04 Grill Guard 1 4 098342-01 Grill Guard Clip 2 5 0[...]

  • Page 30

    30 100099 12-1 12-2 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 16 17 19 27 21 23 24 25 26 22 29 28 20 30 18 ODS/Pilot[...]

  • Page 31

    31 100099 VN2000BB P ARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 2 098742-13 Front Panel 1 3 098197-03 Grill Guard 1 4 098342-01 Grill Guard Clip 2 5[...]

  • Page 32

    LIMITED WARRANTY VANGUARD VENT-FREE 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 in accordance with all applicable instructions. To make a cla[...]