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Desa VN18 manual

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First and foremost, an user manual of Desa VN18 should contain:
- informations concerning technical data of Desa VN18
- name of the manufacturer and a year of construction of the Desa VN18 item
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- safety signs and mark certificates which confirm compatibility with appropriate standards

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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Desa VN18 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Desa VN18, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Desa service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Desa VN18.

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Table of contents for the manual

  • Page 1

    ® UNVENTED (VENT -FREE) INFRARED GAS HEA TER SAFETY INFORMATION AND INSTALLATION MANUAL For more information, visit www.desatech.com For more information, visit www.desatech.com WARNING: If the information in this manual is not followed exactly, a fire or explosion may result caus- ing property damage, personal injury, or loss of life. — Do not [...]

  • Page 2

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 2 TABLE OF CONTENTS SAFETY INFORMATION WARNING ICON G 001 WARNINGS IMPORTANT: Read this owner ’ s manual carefully and completely before trying to assemble, operate, or ser- vice this heater. Improper use of this heater can cause serious injury or[...]

  • Page 3

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 3 3 SAFETY INFORMATION LOCAL CODES PRODUCT IDENTIFICATION UNPACKING PRODUCT FEATURES 4. 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 • [...]

  • Page 4

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 4 AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy efficient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows and[...]

  • Page 5

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 5 5 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 work sheet to determine if you have a confined or unconfined space. Space: Includes the [...]

  • Page 6

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 6 Figure 3 - Ventilation Air from Outdoors AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined s[...]

  • Page 7

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 7 7 INST ALLA TION WARNING: A qualified service person must in- stall heater. Follow all local codes. CHECK GAS TYPE Use only the correct type of gas (natural or propane/LP). If your gas supply is not the correct gas type, do not install heater. Cal[...]

  • Page 8

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 8 THERMOSTAT SENSING BULB (Thermostat Models Only) The thermostat sensing bulb has been placed inside the heater for protection during shipping. Locating Thermostat Sensing Bulb (for Thermostat Applications) 1. Remove front panel of heater (see Figu[...]

  • Page 9

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 9 9 INSTALLATION Installing Heater To Wall (Cont.) INST ALLA TION Continued 2. Mark screw locations on wall (see Figure 8). Note: Only mark last hole on each end of mounting bracket. Insert mounting screws through these holes only . 3. Remove tape a[...]

  • Page 10

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 10 Figure 12 - Installing Bottom Mounting Screws Wall Spacer Heater INST ALLA TION Continued INSTALLATION Installing Heater To Wall (Cont.) Mounting Heater To Floor MOUNTING HEATER TO FLOOR Mounting Base Feet to Heater 1. Lay heater cabinet on its b[...]

  • Page 11

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 11 11 INST ALLA TION Continued INSTALLATION Connecting To Gas Supply For propane/LP gas, the installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 a[...]

  • Page 12

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 12 INST ALLA TION Continued INSTALLATION Checking Gas Connections WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a noncorro[...]

  • Page 13

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 13 13 OFF IGNITOR OPERATING HEATER (NON-THERMOSTAT MODELS) For Your Safety Read Before Lighting Lighting Instructions OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance has a pilot which must be lighted by hand. When lighting [...]

  • Page 14

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 14 O F F PILOT LOW MED H I OFF PILOT LOW MED H I O F F PILOT LOW M E D HI OFF PILOT LOW MED HI TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. T ur n control knob c lockwise to the OFF position. 2. T ur n off all electric power to the appliance [...]

  • Page 15

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 15 15 OPERATING HEATER (THERMOSTAT MODELS) Lighting Instructions OPERA TING HEA TER Continued 1. STOP! Read the safety inf ormation, column 2 page 14. 2. Make sur e equipment shutoff valve is fully open. 3. T urn thermostat contr ol knob clockwise C[...]

  • Page 16

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 16 OPERATING HEATER (THERMOSTAT MODELS) To Select Heating Level To Turn Off Gas To Appliance Thermostat Operation Manual Lighting Procedure OPERA TING HEA TER Continued 1. F ollow steps 1 thr ough 5 under Lighting Instructions , page 15. 2. With the[...]

  • Page 17

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 17 17 GRH/OV 008 BAD PILOT/LP GRH/OV 007 GOOD PILOT/LP INSPECTING HEA TER Thermocouple Pilot Burner Pilot Burner Thermocouple Blue Flame Yellow Flame CLEANING AND MAINTENANCE ODS/PILOT AND BURNER • Use a vacuum cleaner , pressurized air , or small[...]

  • Page 18

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 18 SPECIFICATIONS SPECIFICA TIONS VN18, VN18T VN18IT VN30, VN30T VN25IT Btu (Variable) 6,600/12,000/18,000 6,600/18,000 6,600/18,000/30,000 7,000/25,500 Type Gas Natural Only Natural Only Natural Only Natural Only Ignition Piezo Piezo Piezo Piezo Pr[...]

  • Page 19

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 19 19 TROUBLESHOOTING TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. T[...]

  • Page 20

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 20 TROUBLESHOOTING OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is released Burner(s) does not light after ODS/pilot is lit Delayed ignition of burner(s) Burner backfiring during combustion Burner plaque(s) does not glow Sl[...]

  • Page 21

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 21 21 TROUBLESHOOTING TROUBLESHOOTING Continued 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 su[...]

  • Page 22

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 22 ILLUSTRATED PARTS BREAKDOWN Cabinet Body Models VP16, VN18, VP26, VN30 VP16T, VN18T, VP26T, VN30T 14 8 5 6 7 17 4 3 1 2 See Pages 26 through 29 16 15 10 9 11 12 13 ILLUSTRA TED P ARTS BREAKDOWN CABINET BODY VP16, VN18, VP26, VN30 VP16T, VN18T, VP[...]

  • Page 23

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 23 23 PARTS LIST Cabinet Body Models VP16, VN18, VP26, VN30 VP16T, VN18T, VP26T, VN30T P AR TS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of t[...]

  • Page 24

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 24 ILLUSTRATED PARTS BREAKDOWN Cabinet Body Models VP16IT, VN18IT, VP22IT, VN25IT 14 17 B C A 18 8 5 6 7 4 3 1 2 See Pages 26 through 29 16 15 10 9 11 12 13 ILLUSTRA TED P ARTS BREAKDOWN CABINET BODY VP16IT, VN18IT, VP22IT, VN25IT Replacement may va[...]

  • Page 25

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 25 25 PARTS LIST Cabinet Body Models VP16IT, VN18IT, VP22IT, VN25IT P AR TS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this manual. KEY PAR[...]

  • Page 26

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 26 ILLUSTRATED PARTS BREAKDOWN Burner Assembly Models VP16, VN18, VP16T, VN18T, VP16IT, VN18IT ILLUSTRA TED P ARTS BREAKDOWN BURNER ASSEMBLY VP16, VN18, VP16T, VN18T, VP16IT, VN18IT ODS/PILOT 5 7 10 8 11 12 9 4 4 1 6 3 5 7 8 16 4 1 BURNER ASSEMBLY V[...]

  • Page 27

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 27 27 PARTS LIST Burner Assembly Models VP16, VN18, VP16T, VN18T, VP16IT, VN18IT P AR TS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this ma[...]

  • Page 28

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 28 ODS/PILOT 5 7 8 11 12 7 13 9 4 4 1 10 6 3 ILLUSTRA TED P ARTS BREAKDOWN VP26, VN30, VP26T, VN30T, VP22IT, VN25IT BURNER ASSEMBLY VP26, VN30 BURNER ASSEMBLY VP26T, VN30T BURNER ASSEMBLY VP22IT, VN25IT 5 7 8 16 7 4 1 ILLUSTRATED PARTS BREAKDOWN Bur[...]

  • Page 29

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 29 29 PARTS LIST Burner Assembly Models VP26, VN30, VP26T, VN30T, VP22IT, VN25IT P AR TS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 30 of this ma[...]

  • Page 30

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 30 ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA International at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this [...]

  • Page 31

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 31 31 1. Where will the product be used? ❍ Living/Family Room ❍ Office/W arehouse ❍ Utility Shed/Outbuilding ❍ Garage ❍ Bedroom ❍ Bathroom ❍ Other 2. If you bought this product yourself, did you plan to purchase this type of product be[...]

  • Page 32

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 32 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 Postage Required TM T APE T APE[...]

  • Page 33

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 33 33 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________[...]

  • Page 34

    107887-01E For more information, visit www.desatech.com For more information, visit www.desatech.com 34 KEEP THIS WARRANTY W ARRANTY INFORMA TION Model Serial No. Date Purchased Patent Pending 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com Always specify model and serial numbers when communicating with the factor[...]