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VENT-FREE NATURAL GAS GARAGE HEATER
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, per-
sonal 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 per-
formed by a qualified installer, service
agency, or the gas supplier.
Model: VGN30
Save this manual for future reference.
WARNING
: Improper installation,
adjustment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this
manual for correct installation and
operational procedures. For assis-
tance or additional information
consult a qualified installer, ser-
vice agency, or the gas supplier.
®
®
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Summary of Contents for Vanguard VGN30
- Page 1 — Installation and service must be per- formed by a qualified installer, service agency, or the gas supplier. Save this manual for future reference. Model: VGN30 WARNING adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures.
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Page 2: Table Of Contents
CONTENTS SAFETY INFORMATION SECTION Safety Information ... 2 Product Identification ... 4 Local Codes ... 4 Unpacking ... 4 Product Features ... 4 Installing To Wall ... 5 Connecting To Gas Supply ... 10 Checking Gas Connections ... 11 Operating Heater ... 13 Inspecting Burner ... - Page 3 SAFETY INFORMATION 1. Use only natural gas. Do not convert heater to use different fuel type. Continued 2. If you smell gas 3. Never install the heater 4. Open window or garage door to admit fresh, outside air when using heater. 5.
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Page 4: Product Identification
PRODUCT IDENTIFICATION LOCAL CODES UNPACKING PRODUCT FEATURES Front Panel Figure 1 - Vent-Free Natural Gas Garage Heater Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of National Gas Code ANSI Z223.1, also known as NFPA 54*. -
Page 5: Installing To Wall
INSTALLING TO WALL A qualified service person must install heater. Follow all local codes. CHECK GAS TYPE Use only natural gas. If your gas supply is not natural gas, do not install heater. Call dealer where you bought heater for proper type heater. INSTALLATION ITEMS Before installing the heater, make sure you have the items listed below. - Page 6 WARNING ICON When installing, locate heater where moving vehicle will not hit it. For convenience and efficiency, install heater • where there is easy access for operation, inspection, and service • where strong wind gusts from an open door or garage door can not blow directly into heater.
- Page 7 INSTALLING HEATER TO WALL Mounting Bracket The mounting bracket is located on back panel of heater. It has been taped there for shipping. Remove mounting bracket from back panel. Figure 3 - Mounting Bracket Location Removing Front Panel Of Heater 1.
- Page 8 Marking Screw Locations 1. Tape mounting bracket to wall where heater will be located. Make sure mount- ing bracket is level. WARNING ICON G 001 Maintain minimum clearances shown in Figure 5. If you can, provide greater clearances from floor and joining wall. 2.
- Page 9 4. For thin walls (1/2" or less), insert red key into wall anchor. Push red key to “pop” open anchor wings. IMPORTANT: Do not hammer key! For thick walls (over 1/2" thick) or solid walls, do not pop open wings. Figure 7 - Popping Open Anchor Wings For Thin Walls 5.
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Page 10: Connecting To Gas Supply
CONNECTING TO GAS SUPPLY A qualified service person must connect heater to gas supply. Follow all local codes. WARNING ICON Never connect heater to private (non-utility) gas wells. This gas is commonly known as well-head gas. IMPORTANT: Check gas line pressure before connecting heater to gas line. Gas line pressure must be no greater than 14 inches of water. -
Page 11: Checking Gas Connections
IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. Connection * * An A.G.A. design certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional A.G.A. design certified manual shutoff valve from your dealer. - Page 12 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Figure 11). 2.
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Page 13: Operating Heater
OPERATING HEATER If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. - Page 14 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information at the top of page 13. If you don’t smell gas, go to the next step. 5.
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Page 15: Inspecting Burner
Shutting Off Heater 1. Turn control knob clockwise 2. Press in control knob and turn clockwise 3. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) 1. Turn control knob clockwise 1. -
Page 16: Burner Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 16 • turn heater off (see TO TURN OFF GAS TO APPLIANCE, page 15) • see TROUBLESHOOTING, pages 17 thru 20 BURNER FLAME PATTERN Figure 17 shows a correct burner flame pattern. Figure 18 shows an incorrect burner flame pattern. -
Page 17: Cleaning And Maintenance
CLEANING MAINTENANCE TROUBLE- SHOOTING Note: All troubleshooting items are listed in order of operation. WARNING ICON Turn off heater and let cool before cleaning. WARNING ICON You must keep control areas, burner, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. - Page 18 OBSERVED POSSIBLE PROBLEM CAUSE When ignitor button is 1. Gas supply turned off or pressed, there is spark manual shutoff valve at ODS/pilot but no closed ignition 2. Control knob not in PI- LOT position 3. Control pressed in while in PI- LOT position 4.
- Page 19 OBSERVED POSSIBLE PROBLEM CAUSE Burner does not light 2. Burner orifice diameter after ODS/pilot is lit is too small (continued from page 3. Inlet gas pressure is too Delayed ignition of 1. Manifold pressure is too burner 2. Burner clogged Burner backfiring 1.
- Page 20 WARNING ICON 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.
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Page 21: Technical Service
TECHNICAL SERVICE SPECIFICATIONS SERVICE HINTS You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323- 5190. B.T.U (Variable) Type Gas Ignition Pressure Regulator Setting Inlet Gas Pressure (inches of water) Maximum Minimum Dimensions, Inches (H x W x D) -
Page 22: Replacement Parts
REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replace- ment part(s), call DESA International’s Technical Service Department at 1-800- 323-5190. -
Page 23: Accessories
ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA International’s Parts Department at 1-800-972-7879. You can also write to the address listed on the back page of this manual. FAN KIT - GA2100A Provides better heat distribution. -
Page 24: Illustrated Parts List
10-1 10-2 (Round) 10-3 (Square) ODS/Pilot... -
Page 25: Parts List
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under REPLACEMENT PARTS on page 22 of this manual. PART NUMBER 098304-01 098742-12 098197-02 098342-01 099001-01BR M11084-26 098352-02BR 098271-02 098249-01 098244-03 10-1 098593-01 10-2 098515-01... - Page 26 NOTES...
- Page 27 NOTES...
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Page 28: Warranty Information
WARRANTY INFORMATION Model Serial No. Date Purchased 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. We make no other warranty, expressed or implied. VANGUARD VENT-FREE GARAGE HEATERS DESA International warrants this product and any parts thereof, to be free from defects in material and work- manship for two years from the date of first purchase, provided that the product has been properly installed,...
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I have a Vanguard VGN30 Model Gas garage heater and want to use LP Gas do I need anything besides just hooking it up and running it on Propane Gas