Instruction/ maintenance manual of the product CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT Desa
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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.
2 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 1. This appliance is only for use with the type of gas indicated on the rating plate.
3 107123 OWNER’S MANUAL For more information, visit www.desatech.com PRODUCT IDENTIFICA TION Figure 1 - Vent-Free Gas Log Heater - Duel Burner (Logs May Vary by Model - Smoky Mountain Oak Logs Shown) LOCAL CODES Install and use heater with care. Follow all local codes.
4 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 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.
5 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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.
6 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space.
7 107123 OWNER’S MANUAL For more information, visit www.desatech.com INST ALLA TION WARNING: A qualified ser- vice person must install heater. Follow all local codes.
8 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 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.
9 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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.
10 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 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.
11 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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.
12 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 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 CSA/AGA design-certified equipment shutoff valve from your dealer.
13 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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.
14 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 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.
15 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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.
16 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com Dual Burner Biltmore 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.
17 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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.
18 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 1. STOP! Read the safety inf ormation, column 1. 2. Make sur e equipment shutoff valve is fully open. 3. Press in and tur n control knob clock- wise Clockwise to the OFF position.
19 107123 OWNER’S MANUAL For more information, visit www.desatech.com 1. STOP! Read the safety inf ormation, column 2. 2. Make sur e equipment shutoff valve is fully open. 3. T ur n control knob clockwise Clockwise to the OFF position. 4. W ait fi ve (5) minutes to clear out any gas.
20 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com LO HI OFF Pilot Figure 40 - 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 40).
21 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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.
22 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 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.
23 107123 OWNER’S MANUAL For more information, visit www.desatech.com OBSERVED PROBLEM Burner does light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smo.
24 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 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.
25 107123 OWNER’S MANUAL For more information, visit www.desatech.com Adhesive- backed Mounting Clip Figure 49 - Locating Thermostat Sensing Bulb on Masonry Fireplace Thermostat Sensing Bulb Adhesiv.
26 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com SPECIFICA TIONS DUAL BURNER SMOKY MOUNTAIN OAK AND PREMIUM AGED SPLIT OAK MODELS 18" Model 24" Mode.
27 107123 OWNER’S MANUAL For more information, visit www.desatech.com These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories.
28 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com ILLUSTRA TED PA R T S BREAKDOWN Variable Manually-Controlled Smoky Mountain Oak Models CGD3018N CGD3924N CGD3.
29 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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 Variable Manually-Controlled Smoky Mountain Oak Models KEY CGD3018N CGD3924N CGD3930N NO.
30 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com ILLUSTRA TED PA R T S BREAKDOWN Thermostatically-Controlled Premium Aged Split Oak Models 24 21 21 21 21 8 6 .
31 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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 Thermostatically-Controlled Premium Aged Split Oak Models KEY CGB3924NT CGB3930NT NO.
32 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com ILLUSTRA TED PA R T S BREAKDOWN Thermostatically-Controlled Smoky Mountain Oak Models 5 21 21 21 3 2 1 4 21 8.
33 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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.
34 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 23 23 23 23 10 8 9 13 14 15 4 5 1 2 11 12 19 21 21 24 6 7 3 22 20 25 18 23 17 16 ILLUSTRA TED PA R T S BREAKD.
35 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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 Thermostatically-Controlled Biltmore Split Oak Model CCL3018NT KEY CCL3018NT NO.
36 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 7 23 23 23 23 10 8 9 13 14 15 4 5 1 2 11 12 19 21 21 24 6 3 22 20 25 18 23 17 16 ILLUSTRA TED PA R T S BREAKD.
37 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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 Thermostatically-Controlled Biltmore Split Oak Model CCL3924NT KEY CCL3924NT NO.
38 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com 26 23 23 23 23 10 8 9 13 14 15 4 5 1 2 11 12 19 21 21 24 6 3 22 20 7 25 18 23 17 16 ILLUSTRA TED PA R T S BRE.
39 107123 OWNER’S MANUAL For more information, visit www.desatech.com 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 Thermostatically-Controlled Biltmore Split Oak Model CCL3930NTA KEY CCL3930NTA NO.
40 107123 VENT -FREE NA TURAL GAS LOG HEA TER For more information, visit www.desatech.com ILLUSTRA TED PA R T S BREAKDOWN Variable Manually-Controlled Mountain Oak Models CY2718N CY3124N 4 2 1 3 12 2.
41 107123 OWNER’S MANUAL For more information, visit www.desatech.com KEY CY2718N CY3124N NO. PART NUMBER PART NUMBER DESCRIPTION QTY. 1 103729-04 103729-03 Back Log (#1) 1 2 103730-04 103730-03 Fro.
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.
An important point after buying a device Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT you will learn all the available features of the product, as well as information on its operation. The information that you get Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT will certainly help you make a decision on the purchase.
If you already are a holder of Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT.
However, one of the most important roles played by the user manual is to help in solving problems with Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
