Benutzeranleitung / Produktwartung NATURAL GAS LOG HEATER des Produzenten Desa
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DESA INTERNA TIONAL UNVENTED (VENT -FREE) NA TURAL GAS LOG HEA TER Manually Control Models Also Designed Certified as V ented Decorative Appliance) This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by state or local codes.
2 101308 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 101308 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 101308 PRODUCT IDENTIFICA TION Front Log Control Knob Figure 1 - Vent-Free Gas Log Heater Piezo Ignitor Front Burner Rear Log Rear Burner Left Front Branch Right Front Branch Base Assembly LOCAL CODES Install and use heater with care. Follow all local codes.
5 101308 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 101308 AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space.
7 101308 AIR FOR COMBUSTION AND VENTILA TION Continued WARNING ICON G 001 W ARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combus- tion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.
8 101308 INST ALLING NOTICE A qualified service person must install heater. Follow all local codes. WARNING ICON G 001 W ARNING Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner.
9 101308 INSTALLATION AND CLEARANCES (Vent-Free Operation Only) W ARNING Maintain the minimum clearances. If you can, provide greater clear- ances from floor, ceiling, and adjoining wall.
10 101308 INST ALLING Continued NOTICE Manual control heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, non-combustible material above fireplace opening is not needed.
11 101308 INST ALLING Continued Minimum Non Combustible Material Clearances If Using Mantel You must have non combustible material(s) above the fireplace opening. Non combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick.
12 101308 INST ALLING Continued 14" Min. Combustible Material Non-Combustible Material Floor Clearances A. If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8). Figure 8 - Minimum Fireplace Clearances If Installed at Floor Level B.
13 101308 INST ALLING Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appliance must be installed only in a solid- fuel burning fireplace with a working flue and constructed of non combustible material.
14 101308 INST ALLING Continued INSTALLING HEATER BASE ASSEMBLY WARNING ICON G 001 W ARNING You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak. WARNING ICON G 001 W ARNING If installing in a sunken fireplace, special care is needed.
15 101308 INST ALLING Continued Heater Gas Regulator Flexible Gas Hose (if allowed by local codes) Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator Mounting Bracket Masonry Screw Figure.
16 101308 INST ALLING Continued CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. Installation Items Needed Before installing heater, make sure you have the items listed below.
17 101308 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap Gas Regulator From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) A.G.A. Design-Certified Manual Shutoff Valve With 1/8" NPT Tap* Approved Flexible Gas Hose (if allowed by local codes) WARNING ICON G 001 CAUTION Avoid damage to regulator.
18 101308 3. Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter. 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.
19 101308 Right Front Branch (#5) Notches Left Front Branch (#4) (24" & 30" models) or Front Branch (#4) (18" Model) Notches INST ALLING Continued WARNING ICON G 001 W ARNING Failur.
20 101308 PILOT OFF LO HI OPERA TING HEA TER Thermostat- Controlled Models 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Turn control knob clockwise Clockwise to the OFF position. Figure 20 - Control Knob and Ignitor Button Location Control Knob Ignitor Button 4.
21 101308 OPERA TING HEA TER Thermostat- Controlled Models Continued T O TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise Clockwise to the OFF position. Shutting Off Burners Only (pilot stays lit) 1. Turn control knob clockwise Clockwise to the PILOT position.
22 101308 PILOT OFF LO HI OPERA TING HEA TER Manually-Controlled Models Control Knob Ignitor Button Figure 22 - Control Knob and Ignitor Button Location 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 above.
23 101308 OPERA TING HEA TER Manually-Controlled Models Continued 5. Press in control knob and turn counterclockwise C-clockwise to the PILOT position. Keep control knob pressed in for five (5) seconds (see Figure 22). Note: You may be running this heater for the first time after hooking up to gas supply.
24 101308 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 24 shows a correct pilot flame pattern. Figure 25 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple.
25 101308 CLEANING AND MAINTENANCE WARNING ICON G 001 W ARNING Turn off heater and let cool before cleaning. WARNING ICON G 001 CAUTION You must keep control areas, burners, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use.
26 101308 TROUBLE- SHOOTING Continued 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.
27 101308 OBSERVED PROBLEM One or both burners do not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burners are lit REMEDY 1.
28 101308 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.
29 101308 OPTIONAL POSITIONING OF THERMOST A T SENSING BULB For Masonry and Factory-built Metal Fireplace If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposi- tion the thermostat sensing bulb.
30 101308 OPTIONAL POSITIONING OF THERMOST A T SENSING BULB For Masonry and Factory-built Metal Fireplace Continued Adhesive-backed Mounting Clip Figure 31 - Locating Thermostat Sensing Bulb on Masonry Fireplace Thermostat Sensing Bulb If you have a factory-built metal fireplace, see Figure 32 for location.
31 101308 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564).
32 101308 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 replacement part(s), call DESA International’s Technical Service Department at 1-800-323-5190.
33 101308 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 for information. You can also write to the address listed on the back page of this manual.
34 101308 ILLUSTRA TED P ARTS BREAK- DOWN Manually-Controlled Models 6 7 8 9 10 11 8 8 27 13 12 13 14 15 16 18 17 19 20 21 22 23 24 25 26 27 6 28 29 30 7-1 7-2 10-1 10-2 1 2 3 4 5.
35 101308 P ARTS LIST Manually-Controlled Models This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. KEY PART NUMBER FOR NO. VL18N / CF18N VL24N/CF24N VL30N / CF30N DESCRIPTION QTY.
36 101308 ILLUSTRA TED P ARTS BREAK- DOWN Thermostat- Controlled Models 31 6 25 6 7 8 9 10 11 8 8 29 13 12 13 14 15 16 18 17 19 24 26 27 7-1 7-2 29 22 23 21 28 20 30 3 1 2 4 5 10-1 10-2.
37 101308 P ARTS LIST Thermostat- Controlled Models This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. KEY PART NUMBER FOR NO. VL18NT/CF18NT VL24NT/CF24NT VL30NT/CF30NT DESCRIPTION QTY.
38 101308 NOTES.
39 101308 NOTES.
LIMITED WARRANTY VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for three (3) years and five (5) years on stainless stee.
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