Instruction/ maintenance manual of the product VN30BT Desa
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Sav e this manual for future reference. For more information, visit www .desatech.com W ARNING: If the information in this manual is not fol- lowed exactly , a fire or explosion may result causing property damage, personal injury or loss of life.
www .desatech.com 107886-01J 2 W ARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer , service agency or the gas supplier .
www .desatech.com 107886-01J 3 SAFETY INFORMA TION IMPORTANT: Read this owner’s man ual caref ull y a nd compl ete ly b e f o r e t r y i n g t o a s s e m b l e , operate or service this heater.
www .desatech.com 107886-01J 4 6. Keep all air openings in front and bottom of heater clear and free of debris. This will insure enough air for proper combustion. 7. If heater shuts off, do not relight until you provide fresh, outside air . If heater keeps shutting off, have it serviced.
www .desatech.com 107886-01J 5 AIR FOR COMB USTION AND VENTILA TION WAR NING : Thi s hea ter shall not be installed in a confined space or unusually tight con - struction unless provisions are prov ide d fo r ad equa te c omb us- tion and ventilation air.
www .desatech.com 107886-01J 6 AIR FOR COMB USTION AND VENTILA TION Continued DETERMINING FRESH-AIR FLOW FOR HEA TER LOCA TION Determining if Y ou Have a Confined or Unconfined Space Use this work sheet to determine if you have a con- fined or unconfined space.
www .desatech.com 107886-01J 7 VENTILA TION AIR V entilation Air From Inside Building This fresh air would come from an adjoining un - confined space.
www .desatech.com 107886-01J 8 INST ALLA TION ITEMS Before installing heater , make sure you have the items listed below . • for propan e/LP gas, exter nal regula tor (suppl ied by installer) • pi.
www .desatech.com 107886-01J 9 THERMOST A T SENSING BULB The thermostat sensing bulb has been placed below the heater . 1. Place clamp on thermostat sensing bulb as shown in Figure 5. Clamp is provided in hardware package. 2. Sn ap cla mp into up per moun ti ng hol e as sho wn in Figu re 5.
www .desatech.com 107886-01J 10 INST ALLA TION Continued Attaching Mounting Bracket T o W all Note: W all anchors, mounting screws and spacers are in hardware package. The hardware package is provided with heater . Attaching T o W all Stud Method For attaching mounting bracket to wall studs 1.
www .desatech.com 107886-01J 1 1 4. If installing bottom mounting screws into hollow or solid wall, install wall anchors. Follow steps 1 through 4 under Attaching T o W all Anchor Method , page 10 If installing bottom mounting screw into wall stud, drill holes at marked locations using 9/64" drill bit.
www .desatech.com 107886-01J 12 IMPORT ANT : Hold the pressure regulator with wrench when connecting it to gas piping and/or fittings. Do not over tighten pipe connection to regulator . The regulator body could be damaged. CA U T I ON : U se o n l y n e w , b la c k i r o n or s te el p ip e.
www .desatech.com 107886-01J 13 INST ALLA TION Continued CAUTION: For propane/LP gas, make sure external regula- tor has been installed between propane/LP supply and heater . See guidelines under Connect- ing to Gas Supply , page 1 1. PRESSURE TESTING GAS SUPPL Y PIPING SYSTEM T est P ress ure s In E xc ess Of 1/ 2 PS IG ( 3.
www .desatech.com 107886-01J 14 5. T urn contro l knob counter clockwise to the PILOT position. Press in control knob for five (5) seconds (see Figur e 19). Note: Y ou may be running this heater for the first time after hooking up to gas sup - ply .
www .desatech.com 107886-01J 15 BURNER FLAME P A TTERN WARNING: If yellow tipping occurs, your heater could pro- duce increased levels of carbon monoxide. NOTICE: Do not mistake orange flames with yellow tipping. Dirt or other fine particles enter the heater and burn causing brief patches of orange flame.
www .desatech.com 107886-01J 16 Figure 23 - Correct Burner Flame Pattern Y ellow T ipping Figure 24 - Incorrect Burner Flame Pattern 1/2 Glass Height Blue Flame 1/2 Glass Height CLEANING AND MAINTENANCE W ARNING: T urn off heater and let cool before cleaning.
www .desatech.com 107886-01J 17 SPECIFICA TIONS VN20BT VN30BT Btu (V ariable) 10,000/20,000 15,000/30,000 T ype Gas Natural Natural Ignition Piezo Piezo Pressure Regulator Setting 3" W .C. 3" W .C. Inlet Gas Pressure (in. of water) Maximum 10.
www .desatech.com 107886-01J 18 TROUBLESHOO TING W AR NIN G: T urn off a nd u np lu g heat er and let c oo l bef ore ser vici ng . Only a qualified service person should service and repair heater . CAUTION: Never use a wire, needle or similar object to clean ODS/pilot.
www .desatech.com 107886-01J 19 POSSIBLE CAUSE 1 . Control knob not fully pressed in 2. Control knob not pressed in long enough 3. Sa fet y in ter lo ck s ys tem h as been triggered 4. Equipment shutoff valve not fully open 5 . Thermocouple connection loose at control valve 6.
www .desatech.com 107886-01J 20 TROUBLESHOO TING Continued W ARNING: 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.
www .desatech.com 107886-01J 21 TROUBLESHOO TING Continued POSSIBLE CAUSE 1 . Gas leak. See Warning statement on page 21 2. Control valve defective 1. Foreign matter between con - trol valve and burner 2 . Gas leak. See Warning statement on page 21 1.
www .desatech.com 107886-01J 22 ILL USTRA TED P ARTS BREAKDOWN MODELS VN20BT , VP20BT VN30BT , VP30BT 2 3 5 6 8 9 10 10 1 1 12 13 14 16 18 19 4 7 1 15 17 20.
www .desatech.com 107886-01J 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 21 of this manual. KEY P ART NUMBER NO. VN20BT VP20BT VN30BT VP30BT DESCRIPTION QTY .
Model ____________________________________ Serial No. __________________________________ Date of Purchase ____________________________ WARRANTY INFORMA TION KEEP THIS WARRANTY LIMITED WARRANTY VENT -F.
An important point after buying a device Desa VN30BT (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 VN30BT 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 VN30BT - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa VN30BT you will learn all the available features of the product, as well as information on its operation. The information that you get Desa VN30BT will certainly help you make a decision on the purchase.
If you already are a holder of Desa VN30BT, 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 VN30BT.
However, one of the most important roles played by the user manual is to help in solving problems with Desa VN30BT. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa VN30BT 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
