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Vanguard VN18A Safety Information And Installation Manual

Unvented (vent-free) infrared gas heater
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UNVENTED (VENT-FREE) INFRARED GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
VN18A, VN18TA, VP16A, VP16TA, VP26A, VP26TA
VN30A, VN30TA, VP16ITA, VP22ITA
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 store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• 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. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
For more information, visit www.desatech.com
Model VN30A Shown
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  • Page 1 UNVENTED (VENT-FREE) INFRARED GAS HEATER SAFETY INFORMATION AND INSTALLATION MANUAL VN18A, VN18TA, VP16A, VP16TA, VP26A, VP26TA VN30A, VN30TA, VP16ITA, VP22ITA 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.

  • Page 2: Table Of Contents

    WARNING: 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. WARNING: This is an unvented gas-fired heater.

  • Page 3: Safety Information

    SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion,...

  • Page 4: Local Codes

    SAFETY INFORMATION Continued 5. Always run heater with plaque control knob at the 1, 2, 3 or 4 locked positions. Never set control knob between locked positions. Poor combustion and higher levels of carbon monoxide may result. 6. This heater needs fresh, outside air ventilation to run properly.

  • Page 5: Air For Combustion And Ventilation

    AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home.
  • Page 6 AIR FOR COMBUSTION AND VENTILATION Continued Determine the volume of the space (length x width x height). Length x Width x Height =__________cu. ft. (volume of space) Example: Space size 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 cu. ft. (volume of space) If additional ventilation to adjoining room is supplied with grills or openings, add the volume...

  • Page 7: Installation

    AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the outdoors or spaces open to the outdoors.
  • Page 8 INSTALLATION Continued WARNING: Never install the heater • in a bedroom or bathroom • in a recreational vehicle • where curtains, furniture, clothing or other flammable objects are less than 36 inches from the front, top or sides of the heater •...
  • Page 9 INSTALLATION Continued Methods For Attaching Mounting Bracket To Wall Only use last hole on each end of mounting bracket to attach bracket to wall. These two holes are 14 inches apart from their centers. Attach mounting bracket to wall in one of two ways: 1.
  • Page 10 INSTALLATION Continued 2. Fold wall anchor as shown in Figure 9. 3. Insert wall anchor (wings first) into hole. Tap anchor flush to wall. 4. For thin walls (1/2" or less), insert red key into wall anchor. Push red key to “pop” open anchor wings.
  • Page 11 INSTALLATION Continued MOUNTING HEATER TO FLOOR Mounting Base Feet to Heater 1. Lay heater cabinet on its back on a table with the heater bottom overhanging the table edge. 2. Align holes in base foot with mounting holes on bottom of cabinet (see Figure 13). 3.
  • Page 12 If pipe is too small, undue loss of volume will occur. Typical Inlet Pipe Diameters VN18A, VN18TA, VP16A, VP16TA and VP16ITA - 3/8" or greater VN30A, VN30TA, VP26A, VP26TA and VP22ITA - 1/2" or greater Installation must include equipment shutoff valve, union and plugged 1/8"...
  • Page 13 INSTALLATION Continued PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator.

  • Page 14: Operating Heater

    OPERATING HEATER NON-THERMOSTAT MODELS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand.
  • Page 15 LOW, MED or HI positions (see Figure 21). IMPORTANT: Release downward pressure while turning control knob. Control knob will lock at the desired position. Control VN18A Knob VP16A Figure 21 - Burner Patterns for Non- Thermostat Models TO TURN OFF GAS...
  • Page 16 OPERATING HEATER Continued LIGHTING INSTRUCTIONS 1. STOP! Read the safety information, page 15, column 2. 2. Make sure equipment shutoff valve is fully open. 3. Turn thermostat control knob clockwise to the OFF position (see Figure 22 or 23 for your model). 4.
  • Page 17 OPERATING HEATER Continued TO SELECT HEATING LEVEL INFRASTAT MODELS VP16ITA AND VP22ITA ONLY WARNING: When running heater, set control knob at the 1, 2, 3 or 4 locked positions. Never set control knob between locked positions. Poor combus- tion and higher levels of carbon monoxide may result.

  • Page 18: Inspecting Heater

    Blue Flame Pilot Burner Thermocouple Yellow Flame Pilot Burner Thermocouple www.desatech.com 113052-01D...

  • Page 19: Cleaning And Maintenance

    CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person.

  • Page 20: Troubleshooting

    WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed in, there is no spark at ODS/...
  • Page 21 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 com- bustion Burner plaque(s) does not glow Slight smoke or odor during initial operation 113052-01D TROUBLESHOOTING...
  • Page 22 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. Fol- low the gas supplier’s instructions.

  • Page 23: Specifications

    26.25 x 21.25 x 9 Weight (pounds) Heater Shipping Note: Dimensions listed are outer most points on the heater (includes control knobs and grill). * For purposes of input adjustment. VN18A, VN18TA Btu (Variable) 6,600/12,000/18,000 6,600/18,000/30,000 Type Gas Natural Only Ignition Electronic Pressure Regulator Setting 6"...

  • Page 24: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN CABINET BODY MODELS VP16A, VN18A, VP26A, VN30A, VP16TA, VN18TA, VP26TA AND VN30TA See Pages 28 through 31 Replacement See Pages may vary from 28 through 31 grill shown Negative www.desatech.com Install Battery According To This Illustration Battery...

  • Page 25: Parts List

    ** Not a field replaceable part. PARTS AVAILABLE - NOT SHOWN - ALL MODELS PART NO. 100642-03 109483-01 105345-01 107888-01 GA4550 113052-01D PARTS LIST VN18A VN18TA DESCRIPTION Cabinet Back Panel 098462-01 ____ Control Rod Assembly 098325-01 ____ Roll Pin 098354-03...
  • Page 26 ILLUSTRATED PARTS BREAKDOWN CABINET BODY MODELS VP16ITA AND VP22ITA See Page 30 Replacement may vary from grill shown Page 30 Install Battery According To Battery This Illustration Positive Battery Negative www.desatech.com 113052-01D...
  • Page 27 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. PART NUMBER VP16ITA 107672-01 103476-01 104635-02 107894-01 111435-01 099066-02 098271-11 098462-01 098325-01 098354-04 099415-18 104819-02 098522-24 103255-02 103256-02...
  • Page 28 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST BURNER ASSEMBLY MODELS VP16A AND VN18A This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. ODS/Pilot PART NUMBER...
  • Page 29 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST BURNER ASSEMBLY MODELS VP26A AND VN30A This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. ODS/Pilot PART NUMBER VP26A 110803-02 110803-03 110186-01 110186-01...
  • Page 30 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST BURNER ASSEMBLY MODELS VP16ITA AND VP22ITA This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. Burner Assembly VP22ITA PART NUMBER VP16ITA 110803-02 110803-02...
  • Page 31 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST BURNER ASSEMBLY MODELS VP16TA, VN18TA, VP26TA AND VN30TA This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. Burner Assembly VP16TA, VN18TA PART NUMBER NO.

  • Page 32: Replacement Parts

    If so, contact DESA Heating Productsʼ Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready. You can also visit DESA Heating Productsʼ techni- cal service web site at www.desatech.com. www.desatech.com 113052-01D...

  • Page 33: Accessories

    If they can not supply these accessories, either contact your nearest Parts Central (see page 33) or call DESA Heating Products at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual.
  • Page 34 NOTES ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.desatech.com 113052-01D...
  • Page 35 NOTES ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 113052-01D www.desatech.com...

  • Page 36: Warranty Information

    This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA Heating Products who will provide original factory replacement parts.

This manual is also suitable for:

Vn30taVp16aVp16itaVp16taVp22itaVp26a ... Show all

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