Instruction/ maintenance manual of the product VN10TA Desa
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Save this manual for future reference. ® VN10T A INFRARED VENT -FREE NA TURAL GAS HEA TER OWNER’S OPERA TION AND INST ALLA TION MANUAL WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal in- jury, or loss of life.
2 104086 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 104086 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 ANS Z223.1 , also known as NFPA 54*. *Available from: American National Standards Institute, Inc.
4 104086 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 104086 OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILA TION Continued 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.
6 104086 NA TURAL GAS HEA TER ® 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,.
7 104086 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 .
8 104086 NA TURAL GAS HEA TER ® Figure 9 - Location Of Keyhole Slots On Back Panel Of Heater Removing Front Panel Of Heater 1. Remove two screws near bottom cor- ners of front panel. 2. Lift straight up on grill guard until it stops. Grill guard will slide up about 1/4".
9 104086 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 104086 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. Check all joints from equipment shutoff valve to control valve (see Figure 14).
11 104086 OWNER’S MANUAL 1. Remove fr ont panel (see Figure 10, page 8). 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. Keep contr ol knob pressed in f or 10 seconds after pilot is lit.
12 104086 NA TURAL GAS HEA TER ® Figure 19 - Correct Burner Flame Pattern Figure 20 - Incorrect Burner Flame Pattern CLEANING AND MAINTENANCE ODS/PILOT AND BURNER ORIFICE • Use a vacuum cleaner , pressurized air , or small, soft bristled brush to clean.
13 104086 OWNER’S MANUAL TROUBLESHOOTING POSSIBLE CAUSE 1. Ignitor cable pinched or wet 2. Ignitor electrode not connected to ignitor cable 3. Piezo ignitor nut is loose 4. Broken ignitor cable 5. Ignitor electrode broken 6. Bad piezo ignitor 7. Ignitor electrode positioned wrong 1 .
14 104086 NA TURAL GAS HEA TER ® 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.
15 104086 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 104086 NA TURAL GAS HEA TER ® 12 A B 16 7 8 4 6 5 3 2 1 11 14 13 19 18 6 17 15 16 10 9 7-1 ODS/PILOT 7-2 ILLUSTRA TED P ARTS LIST VN10TA.
17 104086 OWNER’S MANUAL P ARTS LIST VN10TA 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 104086 NA TURAL GAS HEA TER ® 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.
19 104086 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________.
2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 104086-01 Rev. D 03/00 Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice.
An important point after buying a device Desa VN10TA (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 VN10TA 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 VN10TA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa VN10TA you will learn all the available features of the product, as well as information on its operation. The information that you get Desa VN10TA will certainly help you make a decision on the purchase.
If you already are a holder of Desa VN10TA, 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 VN10TA.
However, one of the most important roles played by the user manual is to help in solving problems with Desa VN10TA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa VN10TA 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
