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Vanguard Heating VGN30 - page 1
Save this manual for future reference. ® 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 G ...
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Vanguard Heating VGN30 - page 2
2 CONTENTS SECTION PAGE Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Local Codes ................................................................................... 4 Unpacking ............................. ...
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Vanguard Heating VGN30 - page 3
3 SAFETY INFORMA TION Continued ! WARNING ICON G 001 W ARNINGS Continued 1. Use only natural gas. Do not convert heater to use different fuel type. 2. 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 ...
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Vanguard Heating VGN30 - page 4
4 PRODUCT IDENTIFICA TION Figure 1 - Vent-Free Natural Gas Garage Heater Ignitor Button Control Knob Heater Cabinet Front Panel Heat Shield Grill Guard LOCAL CODES 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*. *Available from: ...
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Vanguard Heating VGN30 - page 5
5 INST ALLING T O W ALL NOTICE 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 bel ...
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Vanguard Heating VGN30 - page 6
6 CAUTION When installing, locate heater where moving vehicle will not hit it. ! WARNING ICON G 001 Figure 2 - Mounting Clearances As Viewed From Front of Heater GRH/PV 009A CLEARANCE-Garage heater 36" 16 3/4" FLOOR CEILING Minimum Minimum To Top Surface of Combustible Material 6" Minimum From Sides Of Heater Left Side Right Side For ...
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Vanguard Heating VGN30 - page 7
7 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 16 inches apart from their centers. Attach mounting bracket to wall in one of two ways. 1. Attaching to wall stud 2. Attaching to wall anchor Attaching to wall stud This method provides the strongest hol ...
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Vanguard Heating VGN30 - page 8
8 18 3/4" Min. 11" Min. 16" Adjoining Wall Only Insert Mounting Screws Through Last Hole On Each End Floor Marking Screw Locations 1. Tape mounting bracket to wall where heater will be located. Make sure mount- ing bracket is level. Attaching Mounting Bracket To Wall Note: Wall anchors, mounting screws, and spacers are in hardware pa ...
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Vanguard Heating VGN30 - page 9
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 9 - Installing Bottom Mounting Screws Figure 7 - Popping Open Anchor Wings For Thin Walls 5. Place mounting bracke ...
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Vanguard Heating VGN30 - page 10
10 CONNECTING T O GAS SUPPL Y NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. ! WARNING ICON G 001 W ARNING 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 ...
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Vanguard Heating VGN30 - page 11
11 IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. Pressure Regulator Tee Joint Reducer Bushing to 1/8" NPT 1/8" NPT Plug Tap Test Gauge Connection * Sediment Trap Tee Joint Pipe Nipple Cap Manual Shutoff Valve * Heater Cabinet 1/2" NPT Pipe Nipple Figure 10 - Gas Connection * An A.G.A ...
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Vanguard Heating VGN30 - page 12
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. Pressurize supply piping system by either using compressed air or opening main gas valve ...
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Vanguard Heating VGN30 - page 13
13 OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. WHAT ...
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Vanguard Heating VGN30 - page 14
14 CAUTION Do not try to adjust heating levels by using the manual shutoff valve. ! WARNING ICON G 001 C-clockwise 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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Vanguard Heating VGN30 - page 15
15 TO TURN OFF GAS TO APPLIANCE Clockwise Continued Figure 16 - Incorrect Pilot Flame Pattern Thermocouple Pilot Burner Clockwise INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 15 shows a correct pilot flame pattern. Figure 16 shows an incorrect pilot flame pattern. The incorrect pilot flame i ...
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Vanguard Heating VGN30 - page 16
16 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. The incorrect burner flame pattern shows yellow tipping of the ...
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Vanguard Heating VGN30 - page 17
17 CLEANING AND MAINTENANCE ! WARNING ICON G 001 W ARNING Turn off heater and let cool before cleaning. TROUBLE- SHOOTING POSSIBLE CAUSE 1 . Ignitor electrode posi- tioned wrong 2. Ignitor electrode broken 3. Ignitor electrode not con- nected to ignitor cable 4. Ignitor cable pinched or wet 5. Piezo ignitor nut is loose 6. Broken ignitor cable 7. B ...
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Vanguard Heating VGN30 - page 18
18 REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Turn control knob to PI- LOT position 3. Press in control knob while in PILOT position 4. Continue holding down control knob. Repeat ig- niting operation until air is removed 5. Clean ODS/pilot (see CLEANING AND MAINTENANCE, page 17) or replace ODS/pilot assembly 6. Replace gas regulat ...
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Vanguard Heating VGN30 - page 19
19 OBSERVED PROBLEM Burner does not light after ODS/pilot is lit (continued from page 18) Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burner is lit REMEDY 2. Replace burner orifice 3. Contact local natural ...
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Vanguard Heating VGN30 - page 20
20 W ARNING ! WARNING ICON G 001 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. Follow the gas supplier ’ s instructions. • If you cannot reach your gas supplier, ca ...
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Vanguard Heating VGN30 - page 21
21 TECHNICAL SER VICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International ’ s Technical Service Department at 1-800-323- 5190. SPECIFICA TIONS When gas pressure is too low • pilot will not stay lit • burner will have delayed ignition • heater will not produce specified heat Whe ...
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Vanguard Heating VGN30 - page 22
22 REPLACEMENT P ARTS 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. When c ...
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Vanguard Heating VGN30 - page 23
23 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. Shutoff Valve A 014 MANUAL SHUTOFF VALVE - GA5010 Manual shutoff valve with 1/8" NPT tap. ...
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Vanguard Heating VGN30 - page 24
24 1 2 3 4 5 6 7 8 8 9 10 11 12 13 14 15 17 25 19 21 22 23 24 20 27 26 18 28 16 10-1 10-2 (Round) 10-3 (Square) ODS/Pilot ...
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Vanguard Heating VGN30 - page 25
25 P ARTS 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. KEY PART NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 2 098742-12 Front Panel 1 3 098197-02 Grill Guard 1 4 098342-01 Grill Guard Clip 2 5 099001-01BR Hea ...
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Vanguard Heating VGN30 - page 26
26 NOTES ...
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Vanguard Heating VGN30 - page 27
27 NOTES ...
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Vanguard Heating VGN30 - page 28
LIMITED WARRANTY 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, operated, and maintained in accordance with all applicable instructions. To mak ...
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