Instruction/ maintenance manual of the product VN2000BTC Desa
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BLUE FLAME VENT -FREE NA TURAL GAS HEA TER OWNER’S OPERA TION AND INST ALLA TION MANUAL Save this manual for future reference. ® 20,000 and 30,000 Btu/Hr Thermostatically Controlled Models Models V.
2 103874 CONTENTS SECTION PAGE Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Local Codes ...................
3 103874 SAFETY INFORMA TION WARNING ICON G 001 W ARNINGS 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.
4 103874 PRODUCT IDENTIFICA TION 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, also known as NFPA 54*. *Available from: American National Standards Institute, Inc.
5 103874 AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home.
6 103874 AIR FOR COMBUSTION AND VENTILA TION 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.
7 103874 AIR FOR COMBUSTION AND VENTILA TION Continued Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adjoining.
8 103874 AIR FOR COMBUSTION AND VENTILA TION Continued Figure 3 - Ventilation Air from Outdoors Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts.
9 103874 INST ALLING T O W ALL Continued CHECK GAS TYPE Use only natural gas. If your gas supply is not natural, do not install heater. Call dealer where you bought heater for proper type heater.
10 103874 36" 3" FLOOR CEILING Minimum Minimum To Top Surface Of Carpeting, Tile Or Other Combustible Material 6" Minimum From Sides Of Heater Left Side Right Side Figure 5 - Attaching .
11 103874 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.
12 103874 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.
13 103874 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 Anchor Wings For Thin Walls 5.
14 103874 CONNECTING T O GAS SUPPL Y NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. WARNING ICON G 001 W ARNING Never connect heater to private (non-utility) gas well. This gas is commonly known as wellhead gas.
15 103874 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 * Tee Joint Pipe Nipple Cap 3/8" NPT Pipe Nipple Figure 13 - Gas Connection * An A.
16 103874 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).
17 103874 P IL O T LO OFF HI IGNITOR OPERA TING HEA TER 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 floor.
18 103874 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. Turn control knob counterclockwise C-clockwise to the PILOT position.
19 103874 T O TURN OFF GAS TO APPLIANCE OPERA TING HEA TER 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.
20 103874 Figure 19 - Incorrect Pilot Flame Pattern Thermocouple Pilot Burner 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 pilot flame pattern.
21 103874 INSPECTING BURNER Continued BURNER FLAME PATTERN Figure 20 shows a correct burner flame pattern. 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.
22 103874 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.
23 103874 Continued REMEDY 1. Turn on gas supply or open manual 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 removed 5.
24 103874 OBSERVED PROBLEM Burner does not light after ODS/pilot is lit 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 REMEDY 1.
25 103874 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.
26 103874 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.
27 103874 SER VICE PUBLICA TIONS You can purchase service manual from the address listed on the back page of this manual. Send a check for $5.00 payable to DESA International. REPLACEMENT P ARTS Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty.
28 103874 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 17 19 20 21 22 23 24 16 25 26 18 12-1 12-2 12 ODS/Pilot Assembly VN2000BTC VN2800BTC.
29 103874 P ARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 27 of this manual.
30 103874 FAN KITS - GA3100A, and GA3200TA For all models. Provides better heat distribu- tion. Makes heater more efficient. Complete installation and operating instructions included. Manually controlled - GA3100A. Includes ON/OFF switch. Thermostatically controlled - GA3200TA .
31 103874 _________________________________________________________________ _________________________________________________________________ __________________________________________________________.
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 our standard written warranty.
An important point after buying a device Desa VN2000BTC (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa VN2000BTC yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Desa VN2000BTC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa VN2000BTC you will learn all the available features of the product, as well as information on its operation. The information that you get Desa VN2000BTC will certainly help you make a decision on the purchase.
If you already are a holder of Desa VN2000BTC, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Desa VN2000BTC.
However, one of the most important roles played by the user manual is to help in solving problems with Desa VN2000BTC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa VN2000BTC along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
