Page 2 - CONTENTS; SECTION; Determining Fresh-Air Flow for Heater Location
2 100352 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 100352 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 100352 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 100352 PRODUCT IDENTIFICATION Lower FrontAccess Panel Figure 1 - Vented Propane Gas Heater Draft HoodOutlet forVentingSystem ControlValve Figure 2 - Vented Propane Gas Heater, Rear View IgnitorButton ControlKnob
Page 6 - WARNING; CHECK GAS TYPE; NOTICE
6 100352 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 100352 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 100352 Note: Venting/chimney materials are not supplied with heater. VENTING HEATER INSTALLING HEATER Continued WARNING This heater has a vent safety shut-off system. Thissystem shuts off the heater gas supply if you do not ventheater properly or the venting system is blocked. Do notoperate heater...
Page 9 - Do not vent heater in any of the following ways (see Figure 4).
9 100352 INSTALLING HEATER Continued VENTING HEATER (continued) WARNING ICON G 001 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 le...
Page 10 - Prefabricated or Masonry All-Fuel Chimney -; This is a masonry chimney or a; Figure 5 - Typical Construction of Venting Systems
10 100352 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 100352 INSTALLING HEATER Continued CONNECTING TO GAS SUPPLY BULK PROPANE TANK VENT External Regulator Vent Pointing Down The installer must supply an external regulator. The external regulator will reduceincoming gas pressure. You must reduce incoming gas pressure to between 11 and14 inches of wa...
Page 12 - Figure 7 - Gas Connection; Tee Joint; Use two pipe wrenches when connecting gas piping to gas control
12 100352 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 35. ** 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 100352 INSTALLING HEATER Continued CHECKING GAS CONNECTIONS Figure 8 - Manual Shutoff Valve PO On Position Off Position 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 ex...
Page 14 - Locate the glass panel package inside the back of the heater.; Glass panels may have sharp edges. Handle with care.; Figure 9 - Removing Lower Front Access Panel
14 100352 INSTALLING HEATER Continued INSTALLING GLASS PANEL 1. Locate the glass panel package inside the back of the heater. WARNING ICON G 001 CAUTION Before installing glass panels, inspect the edges. If younotice any chips or cracks, do not install. If the surface oneither side is deeply scratch...
Page 15 - all the way to the left side.
15 100352 INSTALLING HEATER Continued 2 1 GlassPanel Lower GlassRetainingChannel Figure 11 - Inserting Top Edge of Glass Panel into Upper Glass Retaining Channel 2 1 GlassPanel Lower GlassRetainingChannel Upper GlassRetainingChannel Lower FrontAccess Area Figure 12 - Inserting Glass into Lower Retai...
Page 17 - Ventilating Confined; Follow the steps below to see if enough fresh air is available.; Figure 13 - Checking for Draft Spillage; This shows there is enough fresh air in area for
17 100352 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 18 - This is a hazardous situation. Draft hood spillage re-; DANGER; Providing Permanent Fresh-Air Ventilation; IMPORTANT; Figure 14 - Ventilation Air from Outdoors
18 100352 FRESH AIR FOR COMBUSTION AND VENTILATION Continued 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 conn...
Page 19 - Figure 15 - Ventilation Air from Inside Building; Ventilating Confined Area; This fresh air would come from an adjoining open area or outdoors.
19 100352 FRESH AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Grills into Closet for Hot Water Heater Recommended Fresh Air Duct into Crawl Space in Furnace Area or in Closet with Water Heater Ventilation Grills Connecting Two Rooms to Meet Unconfined Space 12" 12" Figure 15 - Ven...
Page 20 - pilot, follow these instructions exactly.; FOR YOUR SAFETY READ BEFORE LIGHTING; Figure 16 - Control Knob and Ignitor Button; Ignitor Button; Control Knob; Make sure manual shutoff valve is fully open.; LIGHTING INSTRUCTIONS
20 100352 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 21 - OPERATING; Figure 17 - Viewing Pilot
21 100352 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 20. If you don’t smell gas, go to the next step. 6. Turn control knob clockwise Clockwise to the PILOT position. Fully ...
Page 22 - MANUAL LIGHTING PROCEDURE; Remove lower front access panel on heater.; Follow steps 8 through 11 under Lighting Instructions, page 21.; Shutting Off Heater
22 100352 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 20 and 21. 4. With control knob depressed, strike match. Hold match to pilot until pilot lights....
Page 23 - Check pilot flame pattern and burner flame pattern often.; PILOT FLAME PATTERN; Figure 18 - Correct Pilot; Figure 19 - Incorrect; Thermocouple; If pilot flame pattern is incorrect, as shown in Figure 19; BURNER FLAME PATTERN; To view burner flame, look through front glass of heater.
23 100352 INSPECTING PILOT AND BURNER FLAME Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 18 shows a correct pilot flame pattern. Figure 19 shows an incorrect pilotflame pattern. The incorrect pilot flame is not touching the thermocouple. This willprevent the t...
Page 24 - Figure 21 - Incorrect Burner Flame Patterns; If burner flame pattern is incorrect, as shown in Figure 21
24 100352 INSPECTING PILOT AND BURNER FLAME Continued Sharp BlueFlame HighYellowFlame FlameLiftingOff ofBurner Figure 21 - Incorrect Burner Flame Patterns Figure 20 - Correct Burner Flame Pattern If burner flame pattern is incorrect, as shown in Figure 21 • turn heater off (see To Turn Off Gas to Ap...
Page 25 - 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.
25 100352 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 26 - SHOOTING; REMEDY
26 100352 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 30 - Figure 22 - Removing Control Valve and Burner Tube
30 100352 SERVICE PROCEDURES Removing Control Valveand Burner Tube 1. Shut off gas supply to heater. 2. Remove lower front access panel on heater. 3. Disconnect burner tube from orifice holder (seeFigure 22). 4. Remove pilot gas line from control valve (seeFigure 22). 5. Disconnect wire connec- tors...
Page 31 - Removing Burner; Burner
31 100352 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 23). 4. Remove orifice holder from burner (see Figure23). 5. Remove pilot burner bracket nuts and removepilo...
Page 32 - Changing Burner Orifice; Orifice
32 100352 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 24). 4. Remove orifice holder from burner (see Figure24). 5. Use socket or open-end wrench to remove...
Page 33 - Model; SPECIFICATIONS; When gas pressure is too low; SERVICE
33 100352 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 Model Model BTU 35,000 50,000 Type Gas Propane Only Propane Only Ignition Piezo...
Page 34 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready; ORDERING
34 100352 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 35 - ACCESSORIES; BLOWER KIT - PART NUMBER GA6010
35 100352 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 39 - NOTES
39 100352 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ____________________...
Page 40 - WARRANTY INFORMATION; INTERNATIONAL; DESA
LIMITED WARRANTY COMFORT GLOW 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 ...
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