Desa CY3124N manual

Save this manual for future reference. WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS ?[...]

2 104340 VENT -FREE NA TURAL GAS LOG HEA TER 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. SAFETY INFORMA TION IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use[...]

3 104340 OWNER’S MANUAL PRODUCT IDENTIFICA TION Figure 1 - Vent-Free Gas Log Heater - Duel Burner (Logs May Vary by Model - Yellow Flame Logs Shown) 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 ANS Z223.1 , also known as NFPA 54*. *Availab[...]

4 104340 VENT -FREE NA TURAL GAS LOG HEA TER AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy effi- cient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in. Dur[...]

5 104340 OWNER’S MANUAL 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 work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless pa[...]

6 104340 VENT -FREE NA TURAL GAS LOG HEA TER AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must pro- vide two permanent openings: one within 12" of the ceiling and one within [...]

7 104340 OWNER’S MANUAL INST ALLA TION NOTICE: A qualified service per- son must install heater. Follow all local codes. WARNING: 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 quali- fied chimney cleaner. Creosote will ignite if highly heated. A dirt[...]

8 104340 VENT -FREE NA TURAL GAS LOG HEA TER If Using Mantel You must have noncombustible material(s) above the fireplace opening. Noncombus- tible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have noncombustible material behind it. Noncombustible mate- rial must extend at least 8 inches [...]

9 104340 OWNER’S MANUAL Figure 7 - Minimum Mantel Clearances Without Using Hood MANTEL CLEARANCES In addition to meeting noncombustible mate- rial clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clear- ances listed in Figure 7, you will need a hood. Determining Minimum Mantel C[...]

10 104340 VENT -FREE NA TURAL GAS LOG HEA TER INST ALLA TION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appli- ance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material. If your heater is a manually controlled model, you may [...]

11 104340 OWNER’S MANUAL INST ALLA TION Continued INSTALLING HEATER BASE ASSEMBLY IMPORTANT: Make sure the heater burn- ers are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket. WARNING:[...]

12 104340 VENT -FREE NA TURAL GAS LOG HEA TER CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. Figure 15 - Gas Connection * Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories , page 27. ** Minimum inlet pressure for purpose of input[...]

13 104340 OWNER’S MANUAL WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once. WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once. CHECKING GAS CONNECTIONS Continued Press[...]

14 104340 VENT -FREE NA TURAL GAS LOG HEA TER INST ALLA TION Continued WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. INSTALLING LOGS Each log is marked with a number. These numbers will help you identify t[...]

15 104340 OWNER’S MANUAL INST ALLA TION Continued Dual Burner Premium Aged Split Oak Models WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. Each log is marked with a number. These numbers will help you ide[...]

16 104340 VENT -FREE NA TURAL GAS LOG HEA TER Single Burner Mountain Oak Models INST ALLA TION Continued WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. Each log is marked with a number. These numbers will h[...]

17 104340 OWNER’S MANUAL 1. STOP! Read the safety inf ormation, column 1. 2. Make sur e manual shutoff valve is fully open. 3. Press in and tur n control knob clock- wise Clockwise to the OFF position. WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of l[...]

18 104340 VENT -FREE NA TURAL GAS LOG HEA TER 1. STOP! Read the safety inf ormation, column 2. 2. Make sur e manual shutoff valve is fully open. 3. T urn contr ol knob clockwise Clockwise to the OFF position. 4. W ait fi ve (5) minutes to clear out any gas. Then smell f or gas, including near the floor . If y ou smell gas, STOP! F ollow “B” in [...]

19 104340 OWNER’S MANUAL LO HI OFF Pilot Figure 32 - Control Knob and Ignitor But- ton Location 5. T urn contr ol knob counterclockwise C-clockwise to the PILO T position. Press in contr ol knob for f ive (5) sec- onds (see Figure 32). Note: Y ou ma y be running this heater f or the f irst time after hook- ing up to gas supply . If so, the con- t[...]

20 104340 VENT -FREE NA TURAL GAS LOG HEA TER CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a quali- fied service person. Heater may need mo[...]

21 104340 OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit. POSSIBLE CAUSE 1. Ignitor electrode not connected to igni- tor c[...]

22 104340 VENT -FREE NA TURAL GAS LOG HEA TER OBSERVED PROBLEM Burner does light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit White powder residue forming within burner box[...]

23 104340 OWNER’S MANUAL TROUBLESHOOTING Continued WARNING : 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. Follow the gas supplier’s instructions. • If you cannot r[...]

24 104340 VENT -FREE NA TURAL GAS LOG HEA TER Adhesive- backed Mounting Clip Figure 41 - Locating Thermostat Sensing Bulb on Masonry Fireplace Thermostat Sensing Bulb Adhesive- backed Mounting Clip Thermostat Sensing Bulb Figure 42 - Locating Thermostat Sensing Bulb on Factory-built Metal Fireplace Adhesive- backed Mounting Clip Glass Doors Figure [...]

25 104340 OWNER’S MANUAL TECHNICAL SER VICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Techni- cal Service Department at 1-800-DESA LOG (1-800-337-2564). You can also visit DESA International’s Technical Services web site at www.desatech.com. SPECIFICA TIONS DUAL BUR[...]

26 104340 VENT -FREE NA TURAL GAS LOG HEA TER These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories. Baltimore Electric 1348 Dixwell Avenue Hamden, CT 06514-0322 1-800-397-7553 203-248-7553 Parts Department Portable Heater Parts 342 N. County R[...]

27 104340 OWNER’S MANUAL ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA International’s Sales Department at 1-800-972-7879 for referral information. You can also write to the address listed on the back page of this manual. MANUAL SHUTOFF VALVE - GA5010 For all models.[...]

28 104340 VENT -FREE NA TURAL GAS LOG HEA TER ILLUSTRA TED PA R T S BREAKDOWN Variable Manually-Controlled Smoky Mountain Oak Models CGD3018N CGD3924N CGD3930N 5 3 2 1 4 21 11 12 13 21 8 21 21 6 7 10 9 16 15 17 19 22 18 14 19 23 20 18[...]

29 104340 OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 25 of this manual. P ARTS LIST Variable Manually-Controlled Smoky Mountain Oak Models KEY CGD3018N CGD3924N CGD3930N NO. PART NUMBER PART NUMBER PART NUMBER DESCRIPTION QTY. 1 10300[...]

30 104340 VENT -FREE NA TURAL GAS LOG HEA TER ILLUSTRA TED PA R T S BREAKDOWN Thermostatically-Controlled Premium Aged Split Oak Models 24 21 21 21 21 8 6 7 11 12 4 1 5 3 2 13 9 10 17 19 19 22 20 18 23 16 21 15 14 CGB3924NT CGB3930NT[...]

31 104340 OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 25 of this manual. P ARTS LIST Thermostatically-Controlled Premium Aged Split Oak Models KEY CGB3924NT CGB3930NT NO. PART NUMBER PART NUMBER DESCRIPTION QTY. 1 104897-01 104897-02 M[...]

32 104340 VENT -FREE NA TURAL GAS LOG HEA TER ILLUSTRA TED PA R T S BREAKDOWN Thermostatically-Controlled Smoky Mountain Oak Models 5 21 21 21 3 2 1 4 21 8 6 7 11 12 13 9 10 17 19 19 22 20 18 23 16 21 15 14 CGD3018NT CGD3924NT CGD3930NT[...]

33 104340 OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 25 of this manual. P ARTS LIST Thermostatically-Controlled Smoky Mountain Oak Models CGD3018NT CGD3924NT CGD3930NT KEY CGD3018NT CGD3924NT CGD3930NT NO. PART NUMBER PART NUMBER PART[...]

34 104340 VENT -FREE NA TURAL GAS LOG HEA TER ILLUSTRA TED PA R T S BREAKDOWN Variable Manually-Controlled Mountain Oak Models CY2718N CY3124N 4 2 1 3 12 21 10 11 21 7 21 5 6 8 9 15 14 16 19 22 18 13 23 19 22 20 18[...]

35 104340 OWNER’S MANUAL KEY CY2718N CY3124N NO. PART NUMBER PART NUMBER DESCRIPTION QTY. 1 103729-04 103729-03 Back Log (#1) 1 2 103730-04 103730-03 Front Log (#2) 1 3 103731-04 103731-03 Crossover Log (#3) 1 4 102775-02CK 102775-01CK Painted Base Assembly 1 5 102844-01 102844-01 Lower Bracket 1 6 102966-01 102966-01 Upper Bracket 1 7 098867-14 [...]

LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions. To make a claim[...]