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Desa CGB3924NR manual

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Table of contents for the manual

  • Page 1

    Save this manual for future reference. WARNING: Improper installation, ad- justment, alteration, service, or mainte- nance can cause injury or property dam- age. Refer to this manual for correct installation and operational procedures. For assistance or additional informa- tion consult a qualified installer, ser- vice agency, or the gas supplier. W[...]

  • Page 2

    2 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR SAFETY INFORMA TION Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning re- semble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are m[...]

  • Page 3

    3 104306 OWNER’S MANUAL PRODUCT IDENTIFICA TION Figure 1 - Yellow Flame Vent-Free Gas Log Heater Shown (Logs May Vary by Model) Operation This heater is clean burning. It requires no outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by realistic dancing, yellow flames. This heater is designed for vent-free opera[...]

  • Page 4

    4 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR 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 [...]

  • Page 5

    5 104306 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[...]

  • Page 6

    6 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR 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"[...]

  • Page 7

    7 104306 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[...]

  • Page 8

    8 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR INST ALLA TION Continued Heat Resistant Material (A) Minimum Non-Combustible Material Clearances If Not Using Mantel Note: If using a mantel, go to If Using Mantel . If not using a mantel, follow the information on this page. You must have non-combustible material(s) above[...]

  • Page 9

    9 104306 OWNER’S MANUAL INST ALLA TION Continued Figure 6 - Minimum Mantel Clearances Without Using Hood MANTEL CLEARANCES If you meet minimum clearance between mantel shelf and top of fireplace opening, a hood is not required (see Figure 6). If minimum clearances in Figure 6 are not met, you must have a hood. When using a hood there are still ce[...]

  • Page 10

    10 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR Figure 10 - Attaching Flexible Gas Hose to Heater Figure 11 - Attaching Base Assembly to Fireplace Floor 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. WA[...]

  • Page 11

    11 104306 OWNER’S MANUAL CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. INST ALLA TION Continued Continued CONNECTING TO GAS SUPPLY NOTICE: A qualified service per- son must connect heater to gas supply. Follow all local codes. Installation Items Needed Before installing heater[...]

  • Page 12

    12 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR INST ALLA TION Continued Figure 13 - Manual Shutoff Valve ON POSITION OFF POSITION Open Manual Shutoff Valve Figure 14 - Checking Gas Joints Gas Meter Manual Shutoff Valve Thermostat Gas Valve or Control Valve Location Closed 9-VOLT BATTERY INSTALLATION Two 9-volt alkalin[...]

  • Page 13

    13 104306 OWNER’S MANUAL 3 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 (CGD3924NR) Each log is marked with a number. These numbers will help you identify the lo[...]

  • Page 14

    14 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR INSTALLING LOGS ON MODELS CGB3924PR AND CGB3930PR 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 numbe[...]

  • Page 15

    15 104306 OWNER’S MANUAL 1. STOP! Read the safety inf ormation above. 2. Make sur e manual shutoff valve is fully open. 3. Set remote selector switch in 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 life. A. This appliance has a pi[...]

  • Page 16

    16 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR TO TURN OFF GAS TO APPLIANCE 1. Follow steps 1 thr ough 6 under Light- ing Instructions , pages 15 and 16. 2. Depress contr ol knob and light pilot with match. 3. Keep contr ol knob pressed in f or 30 seconds after lighting pilot. After 30 seconds, release contr ol knob .[...]

  • Page 17

    17 104306 OWNER’S MANUAL OPERA TING HEA TER Continued TEMP ST A TUS HI LO MAN ON AUT O OFF Increases Room Temperature Decreases Room Temperature Turns Burners On and Off Shows Current Operation Mode Shows Temperature Setting Figure 28 - Thermostat Hand-Held Remote Control Unit Selections The log heater will automatically cycle between pilot and t[...]

  • Page 18

    18 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pi[...]

  • Page 19

    19 104306 OWNER’S MANUAL 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 or on adjacent wal[...]

  • Page 20

    20 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR 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 [...]

  • Page 21

    21 104306 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). SPECIFICA TIONS CGD3924NR/CGB3924NR/CGB3930NR Btu (Variable) 20,000/39,000 Type Gas Natural Gas Only Ignition Piezo[...]

  • Page 22

    22 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR ILLUSTRA TED PA R T S BREAKDOWN CGD3924NR 7 16 16 17 25 16 3 2 1 4 11 21 10 9 12 15 8 19 18 20 6 14 5 13 27 26 26 REMOTE OFF ON 22 23 24 O F F P I L O T O N H I L O O F F P I L O T O N H I L O AUTO MAN OFF STATUS ON LO HI TEMP 20[...]

  • Page 23

    23 104306 OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. P ARTS LIST CGD3924NR KEY NO. PART NUMBER DESCRIPTION QTY. 1 103008-01 Back Log (#1) 1 2 103009-01 Middle Log (#2) 1 3 103010-01 Front Log (#3) 1 4 103011-01 Cros[...]

  • Page 24

    24 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR ILLUSTRA TED PAR TS BREAKDOWN CGB3924NR CGB3930NR 28 16 16 17 25 16 5 4 1 2 3 11 21 10 9 12 15 8 19 18 20 7 14 6 13 27 26 26 REMOTE OFF ON 22 23 24 O F F P I L O T O N H I L O O F F P I L O T O N H I L O AUTO MAN OFF STATUS ON LO HI TEMP 20[...]

  • Page 25

    25 104306 OWNER’S MANUAL PAR TS LIST CGB3924NR CGB3930NR KEY CGB3924NR CGB3930NR NO. PART NUMBER PART NUMBER DESCRIPTION QTY. 1 104897-01 104897-02 Middle Log (#1) 1 2 104898-01 104898-02 Back Log (#2) 1 3 104899-01 104899-02 Crossover Log (#3) 1 4 104896-01 104896-02 Front Log (#4) 1 5 104900-01 104900-02 Log Piece (#5) 1 6 103779-01 103779-01 O[...]

  • Page 26

    26 104306 UVENTED NA TURAL GAS LOG HEA TER CGD3924NR, CGB3924NR and CGB3930NR Note: Use only original replacement parts. This will protect your warranty coverage 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 Techni-[...]

  • Page 27

    27 104306 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________[...]

  • Page 28

    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[...]