Page 2 - CONTENTS; SECTION; Determining Fresh-Air Flow for Heater Location
2 100748 CONTENTS SECTION PAGE Safety Information ......................................................................... 3 Product Identification .................................................................... 5 Local Codes .......................................................................
Page 3 - WARNINGS; Carbon monoxide poisoning may lead to death!; Fresh Air; Continued
3 100748 SAFETY INFORMATION WARNINGS IMPORTANT: Read this owner’s manual carefully and completely be-fore trying to assemble, operate, or service this heater. Improper use ofthis heater can cause serious injury or death from burns, fire, explosion,electrical shock, and carbon monoxide poisoning. DAN...
Page 4 - Right Side: 12 inches
4 100748 SAFETY INFORMATION Continued WARNINGS Continued 7. Provide the following minimum heater clearances from combustibles (as viewed from the front of heater): Front: 48 inches Back: 6 inches Top: 53 inches Right Side: 12 inches Left Side: 6 inches 8. Do not run heater • where flammable liquids ...
Page 5 - Figure 1 - Vented Propane Gas Heater
5 100748 PRODUCT IDENTIFICATION Figure 1 - Vented Propane Gas Heater Lower FrontAccess Panel IgnitorButton ControlKnob Draft HoodOutlet forVentingSystem Blower(on modelsequipped withblower) Figure 2 - Vented Propane Gas Heater, Rear View ControlValve
Page 6 - dealer where you bought heater.; Piezo Ignition System; NOTICE; CHECK GAS TYPE; Before installing heater, make sure you have all items below.
6 100748 Install and use heater with care. Follow all local codes. In the absence of localcodes, use the latest edition of the following: • National Fuel Gas Code ANSI Z223.1, also known as NFPA 54 *• National Electrical Code ANSI/NFPA 70 *• National Standard of Canada CAN1-B149 ** *Available from: ...
Page 7 - CAUTION; For convenience and efficiency, install heater; WARNING; Figure 3 - Heater Clearances
7 100748 INSTALLING HEATER Continued LOCATING HEATER CAUTION If you install the heater in a home garage • heater pilot and burner must be at least 18 inches above floor • locate heater where moving vehicle will not hit it. For convenience and efficiency, install heater • where there is easy access f...
Page 8 - Venting/chimney materials are not supplied with heater.; VENTING HEATER; INSTALLING
8 100748 Note: Venting/chimney materials are not supplied with heater. VENTING HEATER INSTALLING HEATER Continued WARNING When venting this heater, follow the safety informationlisted below. • Never vent heater to another room or inside a build- ing. Only vent heater to the outdoors. • Do not vent h...
Page 9 - Do not vent heater in any of the following ways (see Figure 4).
9 100748 INSTALLING HEATER Continued VENTING HEATER (continued) WARNING Do not vent heater in any of the following ways (see Figure 4). Heater must be vented to the out-doors. Never vent heater to anotherroom or inside a building. The vertical section of vent pipe mustextend at least two feet above ...
Page 10 - Prefabricated or Masonry All-Fuel Chimney -; This is a masonry chimney or a; Figure 5 - Typical Construction of Venting Systems
10 100748 VENTING HEATER (continued) INSTALLING HEATER Continued Proper Size Vent To safely vent heater, the vent connector pipe must be the same diameter as the drafthood outlet on the rear of the heater. Pipe that is too small can cause flue gas to spillfrom the heater. Fasten vent connector to th...
Page 11 - External Regulator; Figure 6 - External Regulator with Vent Pointing Down; Example for 1/2 inch diameter supply line:; If the supply line
11 100748 INSTALLING HEATER Continued CONNECTING TO GAS SUPPLY BULK PROPANE TANK VENT External Regulator Vent Pointing Down Figure 6 - External Regulator with Vent Pointing Down The installer must supply an external regulator. The external regulator will reduceincoming gas pressure. You must reduce ...
Page 12 - Figure 7 - Gas Connection; Tee Joint; Use two pipe wrenches when connecting gas piping to gas control
12 100748 Figure 7 - Gas Connection * An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is anacceptable alternative to test gauge connection. Purchase the optional A.G.A.design-certified manual shutoff valve from your dealer. See Accessories, page 31. ** For purposes of input adj...
Page 13 - Figure 8 - Manual Shutoff Valve; On Position; Pressure Testing Gas Supply Piping System; Test Pressures In Excess of 1/2 PSIG; pipe. Pressures in excess of 1/2 PSIG will damage heater regulator.; Test Pressures Equal To or Less Than 1/2 PSIG; propane supply tank valve.; Pressure Testing Heater Gas Connections; internal joints for leaks.
13 100748 INSTALLING HEATER Continued CHECKING GAS CONNECTIONS Figure 8 - Manual Shutoff Valve PO On Position Off Position CAUTION Make sure external regulator has been installed be-tween propane supply and heater. See guidelines underConnecting to Gas Supply, page 11. WARNING Never use an open flam...
Page 15 - Ventilating Confined; Follow the steps below to see if enough fresh air is available.; Figure 9 - Checking for Draft Spillage; This shows there is enough fresh air in area for
15 100748 FRESH AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Example 1: Locating Heater in Unconfined (Open) Area NOTICE An unconfined area has a minimum air volume of 50cubic feet for each 1000 BTU/Hr input rating of allappliances in the area (cubic fe...
Page 16 - Figure 10 - Ventilation Air from Outdoors; This is a hazardous situation. Draft hood spillage re-; DANGER; Providing Permanent Fresh-Air Ventilation; IMPORTANT; FRESH AIR FOR
16 100748 Figure 10 - Ventilation Air from Outdoors Draft Hood Spillage: This is a hazardous situation. Draft hood spillage re- leases poisonous carbon monoxide gas into your home. DANGER Carbon monoxide poisoning may lead to death! If draft hood spillage occurs, check for blocked flue connectors, v...
Page 17 - Ventilating Confined Area; This fresh air would come from an adjoining open area or outdoors.; Figure 11 - Ventilation Air from Inside Building
17 100748 Example 2: Locating Heater in Confined (Closed) Area NOTICE A confined area has an air volume of less than 50 cubicfeet for each 1000 BTU/Hr input rating of all appliancesin the area (cubic feet equals length x width x height ofarea). Include adjoining rooms only if there are no doorsbetwe...
Page 18 - pilot, follow these instructions exactly.; FOR YOUR SAFETY READ BEFORE LIGHTING; LIGHTING INSTRUCTIONS; Make sure manual shutoff valve is fully open.; Ignitor Button; Figure 12 - Control Knob and Ignitor Button
18 100748 OPERATING HEATER 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 ...
Page 19 - OPERATING; Figure 13 - Viewing Pilot
19 100748 5. Wait five (5) minutes to clear out any gas. Then smell for gas, including near thefloor. If you smell gas, STOP! Follow “B” in the safety information at the top ofpage 18. If you don’t smell gas, go to the next step. 6. Remove lower front access panel on heater. 7. Turn control knob clo...
Page 20 - MANUAL LIGHTING PROCEDURE; Remove lower front access panel on heater.; Follow steps 9 through 13 under Lighting Instructions, page 19.; Plug power cord into a standard 115 volt, 60 hertz outlet.; Shutting Off Heater; TO TURN OFF GAS TO APPLIANCE
20 100748 MANUAL LIGHTING PROCEDURE 1. Remove lower front access panel on heater. 2. Locate pilot. Pilot is attached to the front of burner. 3. Follow steps 1 through 7 under Lighting Instructions, pages 18 and 19. 4. With control knob depressed, strike match. Hold match to pilot until pilot lights....
Page 21 - Check pilot flame pattern and burner flame pattern often.; PILOT FLAME PATTERN; Figure 14 - Correct Pilot; If pilot flame pattern is incorrect, as shown in Figure 15; BURNER FLAME PATTERN; through oval viewing hole on combustion chamber.; Thermocouple
21 100748 INSPECTING PILOT AND BURNER FLAME Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 14 shows a correct pilot flame pattern. Figure 15 shows an incorrect pilotflame pattern. The incorrect pilot flame is not touching the thermocouple. This willprevent the t...
Page 22 - If burner flame pattern is incorrect, as shown in Figure 17; INSPECTING
22 100748 Figure 16 - Correct Burner Flame Pattern Sharp BlueFlame HighYellowFlame FlameLiftingOff ofBurner Figure 17 - Incorrect Burner Flame Patterns If burner flame pattern is incorrect, as shown in Figure 17 • turn heater off (see To Turn Off Gas to Appliance, page 20)• see Troubleshooting, page...
Page 23 - Turn off heater and let cool before cleaning or servicing.; CLEANING; Air Passageways; • Use a vacuum cleaner or pressurized air to clean.; Exterior; cabinet to remove dust.
23 100748 WARNING Turn off heater and let cool before cleaning or servicing. WARNING Keep heater clear and free from combustible materials,gasoline, and other flammable vapors and liquids. CAUTION You must keep control areas, burner, and circulating airpassageways of heater clean. Inspect these area...
Page 24 - SHOOTING; REMEDY
24 100748 TROUBLE- SHOOTING Note: All troubleshootingitems are listed in order ofoperation. WARNING Turn off and unplug heater and let cool before servicing.Unless you need gas supply for testing, shut off manualshutoff valve before servicing. Only a qualified serviceperson should service and repair...
Page 28 - Figure 18 - Removing Control Valve and Burner Tube
28 100748 SERVICE PROCEDURES WARNING Turn off and unplug heater and let cool before servicing.Unless you need gas supply for testing, shut off manualshutoff valve before servicing. Only a qualified service per-son should service and repair heater and venting system. Removing Control Valveand Burner ...
Page 29 - SERVICE; Removing Burner; Burner
29 100748 SERVICE PROCEDURES Continued SERVICE PROCEDURES Continued Removing Burner 1. Shut off gas supply to heater. 2. Remove lower front access panel on heater. 3. Disconnect burner tube from orifice holder (seeFigure 19). 4. Remove orifice holder from burner (see Figure19). 5. Remove pilot burne...
Page 30 - Changing Burner Orifice; Orifice
30 100748 SERVICE PROCEDURES Continued SERVICE PROCEDURES Continued Changing Burner Orifice 1. Shut off gas supply to heater. 2. Remove lower front access panel on heater. 3. Disconnect burner tube from orifice holder (seeFigure 20). 4. Remove orifice holder from burner (see Figure20). 5. Use socket...
Page 31 - Model; SPECIFICATIONS; ACCESSORIES; When gas pressure is too low; BLOWER KIT - PART NUMBER GA6010
31 100748 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical Service Department at 1-800-323-5190. 35,000 BTU/Hr 50,000 BTU/Hr 65,000 BTU/Hr Model Model Model BTU 35,000 50,000 65,000 Type Gas Propane Only ...
Page 32 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready; ORDERING
32 100748 Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact Vanguard dealer or call DESA International’s Technical Service Depart-ment at 1-800-323-5190. When calling DESA International, have ready • ...
Page 36 - WARRANTY INFORMATION
LIMITED WARRANTY VANGUARD VENTED PROPANE GAS HEATERS LIMITED ONE YEAR WARRANTY This DESA product is warranted to the original purchaser to be free from defect in material and workmanship under normal use andmaintenance for a period of one year from the date of installation whether or not actual use ...