Instruction/ maintenance manual of the product VN10T Desa
Go to page of 20
Save this manual for future reference. ® MODEL: VN10T INFRARED VENT -FREE NA TURAL GAS HEA TER OWNER’S OPERATION AND INSTALLATION MANUAL 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 102490 NA TURAL GAS HEA TER V ANGUARD VN10T Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning re- semble 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 102490 OWNER’S MANUAL 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.
4 102490 NA TURAL GAS HEA TER V ANGUARD VN10T 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.
5 102490 OWNER’S MANUAL VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoin- ing unconfined space. When ventilating to an adjoining unconfined space, you mu.
6 102490 NA TURAL GAS HEA TER V ANGUARD VN10T 2. Mark two mounting screw locations on wall (see Figure 5). INSTALLING HEATER TO WALL Marking Screw Locations 1.
7 102490 OWNER’S MANUAL e r Placing Heater On Mounting Screws 1. Locate two keyhole slots on back panel of heater (see Figure 9). 2 . Place lar ge openings of slots over screwheads.
8 102490 NA TURAL GAS HEA TER V ANGUARD VN10T IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/ or fittings. Figure 12 - Gas Connection * An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection.
9 102490 OWNER’S MANUAL PRESSURE TESTING HEATER GAS CONNECTIONS 1. Open manual shutoff valve (see Figure 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. Check all joints from manual shutoff valve to control valve (see Figure 14).
10 102490 NA TURAL GAS HEA TER V ANGUARD VN10T 1. Remove fr ont panel (see F igur e 10, page 7). 2. Follow steps 1 thr ough 5 under Light- ing Instructions . 3. With contr ol knob pr essed in, str ike match. Hold match to pilot until pi- lot lights. 4.
11 102490 OWNER’S MANUAL BURNER FLAME PATTERN Figure 19 shows a correct burner flame pattern. Figure 20 shows an incorrect burner flame pattern. Figure 19 - Correct Burner Flame Pattern Figure 20 - .
12 102490 NA TURAL GAS HEA TER V ANGUARD VN10T TROUBLESHOOTING POSSIBLE CAUSE 1. Ignitor cable pinched or wet 2. Ignitor electrode not connected to igni- tor cable 3. Piezo ignitor nut is loose 4. Broken ignitor cable 5. Ignitor electrode broken 6. Bad piezo ignitor 7.
13 102490 OWNER’S MANUAL OBSERVED PROBLEM Burner plaques do not light after ODS/pilot is lit Delayed ignition of burner plaques Burner backfiring during combustion POSSIBLE CAUSE 1. Burner orifice(s) is clogged 2. Burner orifice(s) diameter is too small 3.
14 102490 NA TURAL GAS HEA TER V ANGUARD VN10T OBSERVED PROBLEM Heater produces unwanted odors Heater shuts off in use (ODS operates) Gas odor even when control knob is in OFF position Gas odor during combustion Moisture/condensation noticed on windows POSSIBLE CAUSE 1.
15 102490 OWNER’S MANUAL ACCESSOR Y Purchase this heater accessory from your local dealer. If they cannot supply this ac- cessory, call DESA International’s Parts Department at 1-800-972-7879 for referral information. You can also write to the ad- dress listed on the back page of this manual.
16 102490 NA TURAL GAS HEA TER V ANGUARD VN10T 19 18 17 11 12 7 8 6 6 5 4 3 2 1 A B 15 16 16 14 10 13 9 7-1 ODS/PILOT 7-2 ILLUSTRA TED P AR TS LIST VN10T.
17 102490 OWNER’S MANUAL P AR TS LIST VN10T This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 15 of this manual.
18 102490 NA TURAL GAS HEA TER V ANGUARD VN10T NOTES _______________________________________________________________________________________________ ___________________________________________________.
19 102490 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________.
2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 102490-01 REV. E 7/97 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 VN10T (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 VN10T 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 VN10T - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa VN10T you will learn all the available features of the product, as well as information on its operation. The information that you get Desa VN10T will certainly help you make a decision on the purchase.
If you already are a holder of Desa VN10T, 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 VN10T.
However, one of the most important roles played by the user manual is to help in solving problems with Desa VN10T. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa VN10T 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
