Instruction/ maintenance manual of the product VN6D Desa
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Save this manual for future reference. INFRARED VENT -FREE NA TURAL GAS HEA TER OWNER’S OPERA TION AND INST ALLA TION MANUAL ® VN6D VN10A 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.
2 104274 VENT -FREE NA TURAL GAS HEA TER ® Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced.
3 104274 OWNER’S MANUAL 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 ANS Z223.1, also known as NFPA 54*. *Available from: American National Standards Institute, Inc.
4 104274 VENT -FREE NA TURAL GAS HEA TER ® Confined and Unconfined Space The National Fuel Gas Code ANS Z223.1 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.
5 104274 OWNER’S MANUAL WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code, ANS Z223.
6 104274 VENT -FREE NA TURAL GAS HEA TER ® 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.
7 104274 OWNER’S MANUAL 2. Mark two mounting screw locations on wall (see Figure 5). INSTALLING HEATER TO WALL Marking Screw Locations 1. Determine where you will locate heater . Figure 5 - Mounting Screw Locations WARNING: Maintain minimum clearances shown in Figure 5.
8 104274 VENT -FREE NA TURAL GAS HEA TER ® Placing Heater On Mounting Screws 1. Locate two keyhole slots on back panel of heater (see Figure 9). 2 . Place large openings of slots over screwheads. Slide heater down until screws are in small portion of slots.
9 104274 OWNER’S MANUAL Figure 12 - Gas Connection * A CSA/AGA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA/AGA design-certified equipment shutoff valve from your dealer.
10 104274 VENT -FREE NA TURAL GAS HEA TER ® Pressure Testing Heater Gas Connections 1. Open equipment shutoff valve (see Fig- ure 13). 2. Open main gas valve located on or near gas meter . 3. Make sure control knob of heater is in the OFF position. 4.
11 104274 OWNER’S MANUAL TO SELECT HEATING LEVEL 1. Slightly press in contr ol knob and turn counter c lockwise to the LO W or HIGH positions (VN10A) or ON position (VN6D). IMPOR T ANT : Release downward pressur e while turning control knob . Control knob will lock at the desir ed position.
12 104274 VENT -FREE NA TURAL GAS HEA TER ® Figure 20 - Correct Burner Flame Pattern (Model VN10A Shown) Figure 21 - Incorrect Burner Flame Pattern (Model VN10A Shown) CLEANING AND MAINTENANCE ODS/PILOT AND BURNER ORIFICE • Use a vacuum cleaner , pressurized air , or small, soft bristled brush to clean.
13 104274 OWNER’S MANUAL POSSIBLE CAUSE 1. Ignitor electrode positioned wrong 2. Ignitor electrode broken 3. Ignitor electrode not connected to igni- tor cable 4. Ignitor cable pinched or wet 5. Piezo ignitor nut is loose 6. Broken ignitor cable 7. Bad piezo ignitor 1 .
14 104274 VENT -FREE NA TURAL GAS HEA TER ® TROUBLESHOOTING Continued OBSERVED PROBLEM Burner(s) does not light after ODS/pilot is lit Delayed ignition of burner(s) Burner backfiring during combustio.
15 104274 OWNER’S MANUAL WARNING: 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.
16 104274 VENT -FREE NA TURAL GAS HEA TER ® ILLUSTRA TED PA R T S BREAKDOWN VN6D This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 18 of this manual. 7-1 7-2 ODS/PILOT KEY PART NO.
17 104274 OWNER’S MANUAL 19 18 17 16 15 14 13 10 12 9 9 11 20 7 8 6 6 5 4 3 2 1 A B 21 22 23 23 P ARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 18 of this manual.
18 104274 VENT -FREE NA TURAL GAS HEA TER ® You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323-5190. You can also visit DESA International’s technical service web site at www.
19 104274 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________.
INTERNA TIONAL LIMITED WARRANTY VANGUARD VENT-FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for four (4) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.
An important point after buying a device Desa VN6D (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 VN6D 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 VN6D - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa VN6D you will learn all the available features of the product, as well as information on its operation. The information that you get Desa VN6D will certainly help you make a decision on the purchase.
If you already are a holder of Desa VN6D, 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 VN6D.
However, one of the most important roles played by the user manual is to help in solving problems with Desa VN6D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa VN6D 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
