Gebruiksaanwijzing /service van het product 28 van de fabrikant Desa Tech
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Heater Sizes: 18,000 Btu/Hr Thermostat, and 28,000 Btu/Hr Thermostat “B” Model Heaters Save this manual for future reference. BLUE FLAME VENT -FREE NA TURAL GAS HEA TER OWNER’S OPERA TION AND IN.
2 101808 CONTENTS SECTION PAGE SAFETY INFORMA TION WARNING ICON G 001 W ARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.
3 101808 SAFETY INFORMA TION Continued WARNING ICON G 001 W ARNINGS Continued WARNING: Any change to this heater or its controls can be dangerous. 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases.
4 101808 PRODUCT IDENTIFICA TION LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of the National Fuel Gas Code ANSI Z223, also known as NFPA 54*. *Available from: American National Standards Institute, Inc.
5 101808 FRESH AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home.
6 101808 FRESH AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space.
7 101808 FRESH AIR FOR COMBUSTION AND VENTILA TION Continued Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adj.
8 101808 FRESH AIR FOR COMBUSTION AND VENTILA TION Continued Figure 3 - Ventilation Air from Outdoors Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts.
9 101808 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.
10 101808 Figure 5 - Attaching Thermostat Sensing Bulb Clamp Thermostat Sensing Bulb For convenience and efficiency, install heater • where there is easy access for operation, inspection, and service • in coldest part of room An optional fan kit is available from your dealer.
11 101808 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. Continued Methods For Attaching Mounting Bracket To Wall Only use last hole on each end of mounting bracket to attach bracket to wall.
12 101808 Marking Screw Locations 1. Tape mounting bracket to wall where heater will be located. Make sure mount- ing bracket is level. 28,000 Btu/Hr Model 18,000 Btu/Hr Models 2. Mark screw locations on wall (see Figure 8). Note: Only mark last hole on each end of mounting bracket.
13 101808 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 10 - Popping Open Anchor Wings For Thin Walls 5.
14 101808 CONNECTING T O GAS SUPPL Y NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. Typical Pipe Diameters 18,000 Btu/Hr Models 3/8" or greater 28,000 Btu/Hr Model 1/2" or greater Installation must include a manual shutoff valve, union, and plugged 1/8" NPT tap.
15 101808 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 * Tee Joint Pipe Nipple Cap 1/2" NPT Pipe Nipple Figure 13 - Gas Connection * An A.
16 101808 ON POSITION OFF POSITION 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 14).
17 101808 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.
18 101808 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 17. If you don’t smell gas, go to the next step. 5. Turn control knob counterclockwise C-clockwise to the PILOT position.
19 101808 T O TURN OFF GAS TO APPLIANCE OPERA TING HEA TER Shutting Off Heater 1. Turn control knob clockwise Clockwise to the OFF position. 2. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) 1.
20 101808 INSPECTING BURNER 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 pilot flame pattern. The incorrect pilot flame is not touching the thermocouple.
21 101808 1/2 GLASS HEIGHT INCORRECT FLAME PATTERN AT HIGH POSITION If pilot flame pattern is incorrect, as shown in Figure 19. • turn heater off (see To Turn Off Gas to Appliance , page 19). • see Troubleshooting , pages 22 through 25. BURNER FLAME PATTERN Figure 20 shows a correct burner flame pattern.
22 101808 CLEANING AND MAINTENANCE ODS/PILOT AND BURNER • Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean. 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.
23 101808 REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Turn control knob to PILOT position 3. Press in control knob while in PILOT position 4. Continue holding down control knob. Repeat igniting operation until air is removed 5. Clean ODS/pilot (see Cleaning and Mainte- nance , page 22) or replace ODS/pilot assembly 6.
24 101808 TROUBLE- SHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit 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 1.
25 101808 TROUBLE- SHOOTING Continued WARNING ICON G 001 W ARNING 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.
26 101808 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.
27 101808 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.
28 101808 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 16 17 19 20 21 22 23 24 25 26 27 28 30 31 32 18 29 31 30 12 ODS/Pilot Assembly 12-1 12-2.
29 101808 P ARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 27 of this manual. PART NUMBER FOR KEY 18,000 Btu/Hr 28,000 Btu/Hr NO. CGN18TB CGN28TB DESCRIPTION QTY.
30 101808 ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central (see page 27) or call DESA International’s Parts Department at 1-800-972-7879 for referral information.
31 101808 NOTES _________________________________________________________________ _________________________________________________________________ ____________________________________________________.
LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for one (1) year from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.
Een belangrijk punt na aankoop van elk apparaat Desa Tech 28 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Desa Tech 28 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Desa Tech 28 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Desa Tech 28 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Desa Tech 28 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Desa Tech 28 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Desa Tech 28 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Desa Tech 28 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
