Page 2 - CONTENTS; SECTION; Determining Fresh-Air Flow for Heater Location
2 100792 CONTENTS SECTION PAGE Safety Information ......................................................................... 3 Product Identification .................................................................... 5 Local Codes .......................................................................
Page 3 - Continued; WARNINGS; DANGER; Carbon monoxide poisoning may lead to death!; Early signs of carbon monoxide poisoning; Air for; , pages 17 through 20 for complete information.
3 100792 SAFETY INFORMATION Continued WARNING ICON G 001 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 c...
Page 4 - Right Side: 12 inches
4 100792 SAFETY INFORMATION Continued WARNING ICON G 001 WARNINGS Continued 6. 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 7. Do not run heater • where...
Page 5 - PRODUCT
5 100792 Lower FrontAccess Panel ControlKnob Blower Switch(on modelsequipped withblower) IgnitorButton BurnerRadiants Draft HoodOutlet forVentingSystem Blower(on modelsequipped withblower) Figure 2 - Vented Natural Gas Heater, Rear View Figure 1 - Vented Natural Gas Heater ControlValve PRODUCT IDENT...
Page 6 - Piezo Ignition System; WARNING; dealer where you bought heater.; CHECK GAS TYPE; Before installing heater, make sure you have all items below.
6 100792 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 * *Available from: American National Standards Institute, Inc...
Page 7 - CAUTION; For convenience and efficiency, install heater; Figure 3 - Heater Clearances
7 100792 INSTALLING HEATER Continued LOCATING HEATER WARNING ICON G 001 WARNING Maintain the minimum clearances shown in Figure 3,below. If you can, provide greater clearances. WARNING ICON G 001 WARNING Never install the heater • in a mobile home or a recreational vehicle.• where curtains, furnitur...
Page 8 - Venting/chimney materials are not supplied with heater.; VENTING HEATER; INSTALLING
8 100792 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 100792 INSTALLING HEATER Continued 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 thehighest point of any roof within tenfeet. Never extend vent pipe horizontallythrough outside wal...
Page 10 - Prefabricated or Masonry All-Fuel Chimney -; This is a masonry chimney or a; Figure 5 - Typical Construction of Venting Systems
10 100792 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 - Example for 1/2 inch diameter supply line:; If the supply line branches; Gas Meter; Figure 6 - Connecting Heater to Utility Gas Line
11 100792 INSTALLING HEATER Continued CONNECTING TO GAS SUPPLY The gas supply line to your heater must be 1/2 inch in diameter or larger. If thesupply line branches to serve two or more heaters, the line from the branch back tothe gas meter must be doubled or tripled, etc., in size (depending upon t...
Page 12 - Figure 7 - Gas Connection; Tee Joint; Use two pipe wrenches when connecting gas piping to gas control
12 100792 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 37. ** For purposes of input adj...
Page 13 - 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; main gas valve located on or near gas meter.; Pressure Testing Heater Gas Connections; internal joints for leaks.; On Position; Figure 8 - Manual Shutoff Valve
13 100792 INSTALLING HEATER Continued CHECKING GAS CONNECTIONS Pressure Testing Gas Supply Piping System Test Pressures In Excess of 1/2 PSIG 1. Disconnect heater and its individual manual shutoff valve from gas supply pipe. Pressures in excess of 1/2 PSIG will damage heater regulator. 2. Cap off op...
Page 14 - flame may cause carbon or soot deposits on radiants.; Burner; Figure 10 - Position of Radiant; Radiant; Figure 9 - Location of Radiants; Back Radiant Support
14 100792 INSTALLING HEATER Continued INSTALLING RADIANTS WARNING ICON G 001 WARNING Carefully handle the glass panel. Glass edges arerounded and buffed to prevent cuts, however, chippedor broken sections of glass can present sharp edges.These sharp edges can cut skin. 1. Remove glass guard from acr...
Page 15 - Locate the glass panel package inside the back of the heater.; Screw; Figure 11 - Inserting Glass Panels; Glass panels may have sharp edges. Handle with care.
15 100792 INSTALLING HEATER Continued INSTALLING GLASS PANEL 1. Locate the glass panel package inside the back of the heater. GlassPanel Lower FrontAccess Area Screw GlassGuard HearthAssembly Figure 11 - Inserting Glass Panels WARNING ICON G 001 CAUTION Before installing glass panels, inspect the ed...
Page 16 - Figure 12 - Inserting Top Edge of Glass Panel into; Lower Front Access Area; Figure 13 - Inserting Glass into Lower Retaining Channel; Repeat steps 4 through 7 for all glass panels.
16 100792 INSTALLING HEATER Continued Figure 12 - Inserting Top Edge of Glass Panel into Upper Glass Retaining Channel WARNING ICON G 001 CAUTION Make sure you insert top edge of glass panels into theupper glass retaining channel. Do not install glasspanels with top edge of glass in front of the upp...
Page 18 - Figure 14 - Checking for Draft Spillage; This shows there is enough fresh air in area for; DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION; NOTICE; Ventilating Confined; Follow the steps below to see if enough fresh air is available.
18 100792 AIR FOR COMBUSTION AND VENTILATION Continued Figure 14 - Checking for Draft Spillage No Draft Hood Spillage: This shows there is enough fresh air in area for appliances. Turn off all exhaust fans and appliances if desired. In the absence of local codes, use the following excerpts from the ...
Page 19 - Figure 15 - Ventilation Air from Outdoors; IMPORTANT; Providing Permanent Fresh-Air Ventilation
19 100792 AIR FOR COMBUSTION AND VENTILATION Continued Figure 15 - Ventilation Air from Outdoors IMPORTANT Do not provide openings for inlet or outlet air into atticif attic has a thermostat controlled power vent. Chimney or Gas Vent OutletAir VentilatedAttic OutletAir InletAir Inlet Air Ventilated ...
Page 20 - Figure 16 - Ventilation Air from Inside Building; Ventilating Confined Area; This fresh air would come from an adjoining open area or outdoors.
20 100792 AIR FOR COMBUSTION AND VENTILATION Continued After providing ventilation between rooms, check for draft hood spillage (see DraftHood Spillage Test, page 18). If draft hood spillage still occurs, provide moreventilation between rooms or provide permanent ventilation from outdoors. SeeProvid...
Page 21 - pilot, follow these instructions exactly.; LIGHTING INSTRUCTIONS; Make sure manual shutoff valve is fully open.; Figure 17 - Control Knob and Ignitor Button; Ignitor Button; FOR YOUR SAFETY READ BEFORE LIGHTING
21 100792 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 22 - OPERATING; Figure 18 - Viewing Pilot
22 100792 5. 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 21. If you don’t smell gas, go to the next step. 6. Turn control knob clockwise Clockwise to the PILOT position. Full...
Page 23 - MANUAL LIGHTING PROCEDURE; Remove lower front access panel on heater.; Follow steps 8 through 11 under Lighting Instructions, page 22.; BLOWER OPERATION; Plug power cord into a standard 115 volt, 60 hertz outlet.; TO TURN OFF GAS TO APPLIANCE; Shutting Off Heater
23 100792 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 6 under Lighting Instructions, pages 21 and 22. 4. With control knob depressed, strike match. Hold match to pilot until pilot lights....
Page 24 - Check pilot flame pattern and burner flame pattern often.; PILOT FLAME PATTERN; If pilot flame pattern is incorrect, as shown in Figure 20; BURNER FLAME PATTERN; To view burner flame, look through front glass of heater.; Figure 19 - Correct Pilot; Thermocouple
24 100792 INSPECTING PILOT AND BURNER FLAME Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 19 shows a correct pilot flame pattern. Figure 20 shows an incorrect pilotflame pattern. The incorrect pilot flame is not touching the thermocouple. This willprevent the t...
Page 25 - If burner flame pattern is incorrect, as shown in Figure 22; Figure 22 - Incorrect Burner Flame Patterns
25 100792 INSPECTING PILOT AND BURNER FLAME Continued Sharp BlueFlame RaggedYellowFlame FlameLiftingOff ofBurner If burner flame pattern is incorrect, as shown in Figure 22 • turn heater off (see To Turn Off Gas to Appliance, page 21)• see Troubleshooting, pages 27 through 31. Figure 22 - Incorrect ...
Page 26 - Air Passageways; • Use a vacuum cleaner or pressurized air to clean.; Exterior; cabinet to remove dust.; Turn off heater and let cool before cleaning or servicing.
26 100792 CLEANING AND MAINTENANCE CABINET Air Passageways • Use a vacuum cleaner or pressurized air to clean. Exterior • Use a soft cloth dampened with a mild soap and water mixture. Wipe the cabinet to remove dust. COMBUSTION CHAMBER AND BURNER Clean the combustion chamber and burner if you have r...
Page 27 - SHOOTING; REMEDY
27 100792 TROUBLE- SHOOTING Note: All troubleshootingitems are listed in order ofoperation. OBSERVEDPROBLEM When ignitor buttonis pressed, there is nospark at pilot. When ignitor buttonis pressed, there isspark at pilot but noignition. POSSIBLECAUSE 1. Incorrect spark gap.2. Ignitor electrode posi- ...
Page 32 - Figure 23 - Removing Control Valve and Burner Tube
32 100792 SERVICE PROCEDURES WARNING ICON G 001 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 heater and ventingsystem. Removing Control ...
Page 33 - Removing Burner
33 100792 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 24). 4. Remove orifice holder from burner (see Figure24). 5. Remove pilot burner bracket nuts and removepilo...
Page 34 - Changing Burner Orifice; Orifice; BLOWER
34 100792 SERVICE PROCEDURES Continued Figure 26 - Orifice 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 25). 4. Remove orifice holder from burner (see Figure25). 5. Use socket or open-...
Page 35 - Model; SPECIFICATIONS; When gas pressure is too low; SERVICE
35 100792 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 Natural Only ...
Page 36 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready; ORDERING
36 100792 Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact your nearest dealer or call DESA International’s Technical Service De-partment at 1-800-323-5190. When calling DESA International, have read...
Page 37 - ACCESSORIES; BLOWER KIT - PART NUMBER GA6010
37 100792 ACCESSORIES BLOWER KIT - PART NUMBER GA6010 For all models. Provides better heat distribution.Makes heater more efficient. Complete installationand operating instructions provided with blower. Purchase these heater accessories from your local dealer. If they can not supplythese accessories...
Page 42 - NOTES
42 100792 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ____________________...
Page 44 - WARRANTY INFORMATION; LIMITED WARRANTY
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 writtenwarranty. We make no other warranty, expressed or implied. WARRANTY INFORMATION 100792-01REV...
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