Instruction/ maintenance manual of the product CFS24NVC VS30N Desa
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DESA INTERNA TIONAL UNVENTED (VENT -FREE) NA TURAL GAS LOG HEA TER Variable Manually-Controlled Models Also Design-Certified As Vented Decorative Appliances OWNER’S OPERA TION AND INST ALLA TION MANUAL This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohib- ited by state or local codes.
2 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER 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.
3 104414 OWNER’S MANUAL PRODUCT IDENTIFICA TION Figure 1 - Split Oak Design Model Front Branch Control Knob Rear Log Base Assembly Front Burner Piezo Ignitor Rear Burner Crossover Log Middle Log LOCAL CODES Install and use heater with care. Follow all local codes.
4 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER Confined and Unconfined Space The National Fuel Gas Code (ANS Z223.1, 1992 Section 5.3) defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.
5 104414 OWNER’S MANUAL 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 104414 DESA INTERNA TIONAL UNVENTED 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.
7 104414 OWNER’S MANUAL MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size 18", 24", 30" Side Wall 16" Ceiling 42" Floor 5" Carefully follow the instructions below. This will ensure safe installation into a masonry, UL127-listed manufactured fireplace, or listed vent-free firebox.
8 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER Noncombustible Requirements for Material Distance (A) Safe Installation 12" or more Noncombustible material OK. Between 8" and 12" 24" or 30" Models: Install fireplace hood accessory (GA6050, GA6052, or GA6053, see Accessories , page 28).
9 104414 OWNER’S MANUAL 14" Min. Combustible Material Non-Combustible Material Figure 8 - Minimum Fireplace Clearances If Installed at Floor Level Hearth 5" Min. Combustible Material Figure 9 - Minimum Fireplace Clearances Above Combustible Flooring FLOOR CLEARANCES A.
10 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER INST ALLA TION Continued INSTALLING HEATER BASE ASSEMBLY WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak.
11 104414 OWNER’S MANUAL Heater Gas Regulator Flexible Gas Hose (if allowed by local codes) Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator Figure 12 - Attaching Heater to Fireplace .
12 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER 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.
13 104414 OWNER’S MANUAL INST ALLA TION Continued WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in prop- erty damage or personal injury. INSTALLING LOGS Each log is marked with a number.
14 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER Thermocouple Figure 21 - Pilot Ignitor Electrode Pilot Burner 1. STOP! Read the safety inf ormation above. 2. Make sur e manual shutoff valve is fully open. 3. T urn control knob clockwise Clockwise to the OFF position.
15 104414 OWNER’S MANUAL TO TURN OFF GAS TO APPLIANCE 1. Follow steps 1 thr ough 5 under Light- ing Instructions , page 14. 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.
16 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER TO TURN OFF GAS TO APPLIANCE WARNING: Do not operate heater between locked positions. CAUTION: Do not try to ad- just heating levels by using the manual shutoff valve.
17 104414 OWNER’S MANUAL FRONT BURNER FLAME PATTERN Figure 26 shows correct front burner flame pattern. Figure 27 shows incorrect front burner flame pattern.
18 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burners, and cir- culating air passageways of heater clean. Inspect these areas of heater before each use.
19 104414 OWNER’S MANUAL TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. 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.
20 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER OBSERVED PROBLEM One or both burners do not light after ODS/ pilot is lit Delayed ignition of one or both burners Burner backfiring duri.
21 104414 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.
22 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER OPTIONAL POSITIONING OF THERMOST A T SENSING BULB FOR MASONRY AND FACTORY-BUILT METAL FIREPLACE If your log set cycles to pilot, but the.
23 104414 OWNER’S MANUAL 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- cal Service Department at 1-800-323-5190.
24 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER ILLUSTRA TED PA R T S BREAKDOWN VARIABLE MANUALLY- CONTROLLED SPLIT OAK MODELS VS18NVC CFS18NVC VS24NVC CFS24NVC VS30NVC CFS30NVC 17 19 .
25 104414 OWNER’S MANUAL P AR TS LIST VARIABLE MANUALLY- CONTROLLED SPLIT OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. KEY PART NUMBER FOR NO.
26 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER ILLUSTRA TED PA R T S BREAKDOWN THERMOSTAT- CONTROLLED SPLIT OAK MODELS VS18NTB VS24NTB VS30NTB 30 5 24 5 6 7 8 9 10 7 7 28 12 11 12 13 .
27 104414 OWNER’S MANUAL P AR TS LIST THERMOSTAT- CONTROLLED SPLIT OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. KEY PART NUMBER FOR NO.
28 104414 DESA INTERNA TIONAL UNVENTED NA TURAL GAS LOG HEA TER FB32C (CIRCULATING), FB32NC (NON-CIRCULATING) SERIES (Not Shown) For 18" and 24" models. FB36CA, FB42C SERIES (CIRCULATING), FB36NCA, FB42NC SERIES (NON-CIRCULATING) (Not Shown) For all 18", 24", and 30" models.
29 104414 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________.
LIMITED WARRANTY VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for four (4) years and five (5) years on stainless steel.
An important point after buying a device Desa CFS24NVC VS30N (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 CFS24NVC VS30N 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 CFS24NVC VS30N - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa CFS24NVC VS30N you will learn all the available features of the product, as well as information on its operation. The information that you get Desa CFS24NVC VS30N will certainly help you make a decision on the purchase.
If you already are a holder of Desa CFS24NVC VS30N, 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 CFS24NVC VS30N.
However, one of the most important roles played by the user manual is to help in solving problems with Desa CFS24NVC VS30N. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa CFS24NVC VS30N 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
