Instruction/ maintenance manual of the product CDL3924PT Desa
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Sav e this manual for future reference. For more information, visit www .desatech.com W ARNING: If the information in this manual is not fol- lowed exactly , a fire or explosion may result causing property damage, personal injury or loss of life.
www .desatech.com 1 1 1347-01E 2 W ARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer , service agency or the gas supplier .
www .desatech.com 1 1 1347-01E 3 SAFETY INFORMA TION W ARN ING: T his p rodu ct con - ta ins an d/o r ge ner ate s ch emi cal s kno wn to the Stat e of Cali for nia to cause ca nce r or birth de fec ts or ot her re pro duc tiv e h arm .
www .desatech.com 1 1 1347-01E 4 SAFETY INFORMA TION Continued 3. 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 neighborʼ s phone.
www .desatech.com 1 1 1347-01E 5 Figure 1 - Product Identification Meadowbrook Oak Logs with Thermostat Control Echo V alley Oak Logs with Manual Control Control Knob Control Cover Log Control Cover Log Piezo Ignitor (behind log) Piezo Ignitor (behind log) Control Knob PRODUCT IDENTIFICA TION PIEZO IGNITION SYSTEM This heater has a piezo ignit or.
www .desatech.com 1 1 1347-01E 6 AIR FOR COMB USTION AND VENTILA TION Continued Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation. However, in buildings of unusually tight construction, you must provide additional fresh air .
www .desatech.com 1 1 1347-01E 7 AIR FOR COMB USTION AND VENTILA TION Continued Figure 3 - V entilation Air from Outdoors Figure 2 - V entilation Air from Inside Building Outlet Air V entilated Attic .
www .desatech.com 1 1 1347-01E 8 INST ALLA TION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri- mary heat source. If you have a central heati ng sys tem, yo u may run system’s circulating blower while using heater .
www .desatech.com 1 1 1347-01E 9 INST ALLA TION AND CLEARANCES FOR VENT -FREE OPERA TION W AR NI NG: M ain tai n the m ini - mu m cl ea ran ces . If yo u ca n, pro - v i d e g r e a t e r cl ea r a n c e s fr om flo or , ce ili ng and ad joi nin g w all .
www .desatech.com 1 1 1347-01E 10 Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace Noncombus- tible Material Distance (A) 12" or more Between 8" and 12" Less than 8" Requ ireme nts for Safe Installation Noncombustible Mate- rial OK.
www .desatech.com 1 1 1347-01E 1 1 NOT ICE: I f y our inst all atio n does not meet the minimum clear- ances shown, you must do one of the following: • operate the logs only with the flue damper open • raise the mantel to an accept- able height • remove the mantel FLOOR CLEARANCES A.
www .desatech.com 1 1 1347-01E 12 Heater Gas Regulator Flexible Gas Hose (if allowed by local codes) Fitting INST ALLING HEA TER BASE ASSEMBL Y W ARNING: Y ou must secure this heater to fireplace floor . If not, heater will move when you adjust controls.
www .desatech.com 1 1 1347-01E 13 CONNECTING TO GAS SUPPL Y W ARNI NG: This appl iance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator . W AR N I NG : A q ua li fi e d s e r vi ce p er so n m u s t co nn e c t h ea t er to g a s s up pl y.
www .desatech.com 1 1 1347-01E 14 CAUTION: Make sure exter- nal regulator has been installed b e t w e en p r o pa n e / L P s u p p l y and heater . See guidelines un- der Connecting to Gas Supply , page 13. PRESSURE TESTING GAS SUPPL Y PIPING SYSTEM T est Pressures In Excess Of 1/2 PSIG (3.
www .desatech.com 1 1 1347-01E 15 PRESSURE TESTING HEA TER GAS CONNECTIONS 1. Open equipment shutof f valve (see Figure 15, page 14). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve. 3. Make sure control knob of heate r is in the OFF position.
www .desatech.com 1 1 1347-01E 16 INST ALLA TION Continued Figure 19 - Left and Right Front Log Placement (V ariable Manually-Controlled Models) Figure 20 - Control Cover Log Placement (V ariable Manually-Controlled Models) Left Front Log Right Front Log Cover Log Crossover Log Thermostat Models (CDL) 1.
www .desatech.com 1 1 1347-01E 17 LIGHTING INSTRUCTIONS W ARNING: • If fireplace has glass doors, never operate this heater with glass doors closed. If you op- era te heat er with do ors c los ed, heat buildup inside fireplace will cause glass to burst.
www .desatech.com 1 1 1347-01E 18 V ARIABLE CONTROL OPERA TION The variable control valve can be set to any heat setting and flame height desire d, by simply turning the control knob until that setting is attained. Even the lowest setting provides re- alistic, dancing yellow flames.
www .desatech.com 1 1 1347-01E 19 LIGHTING INSTRUCTIONS W ARNING: • If fireplace has glass doors, never operate this heater with glass doors closed. If you op- era te heat er with do ors c los ed, heat buildup inside fireplace will cause glass to burst.
www .desatech.com 1 1 1347-01E 20 OPERA TING HEA TER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater T u rn co nt rol kn ob cl oc kw is e t o t he OFF position. Shutting Off Burners Only (pilot stays lit) T u rn co nt rol kn ob cl oc kw is e t o t he PILOT position.
www .desatech.com 1 1 1347-01E 21 CLEANING AND MAINTENANCE W ARNING: T urn off heater and let cool before cleaning. CAUTION: Y ou must keep control areas, burners and circulating air passageways of heater clean. Inspect these areas of heater before each use.
www .desatech.com 1 1 1347-01E 22 OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot When ignitor button is pressed, there is spark at ODS/pilot but no ignition ODS/pilot lights but flame goes out when control knob is re- leased TROUBLESHOO TING W ARNING: T urn off heater and let cool before servicing.
www .desatech.com 1 1 1347-01E 23 REMEDY 1. Contact local natural or pro- pane/LP gas company 2. Clean burner(s) (see Cleaning and Maintenance , page 21) or replace burner orifice(s) 1. Contact local natural or pro - pane/LP gas company 2. Clean burner(s) (see Cleaning and Maintenance , page 21) or replace burner orifice(s) 1.
www .desatech.com 1 1 1347-01E 24 TROUBLESHOO TING Continued POSSIBLE CAUSE 1. M et al exp an di ng whi le heat ing or c on trac tin g wh il e co olin g 1. Heate r burni ng vapo rs fro m paint, hair spray , glues, clean - ers, chemicals, new carpet, etc.
www .desatech.com 1 1 1347-01E 25 OPTIONAL POSITIONING OF THERMOST A T SENSING B ULB For Masonry and Factory-Built Metal Fireplace If your log set cycles to pilot, but the room tem- perature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb.
www .desatech.com 1 1 1347-01E 26 Capillary Thermostat Sensing Bulb Do Not Crimp Capillary Adhesive- backed Mounting Clip Figure 37 - Positioning the Thermostat Sensing Bulb in the V ertical Position .
www .desatech.com 1 1 1347-01E 27 ACCESSORIES NOTICE: All accessories may not be available for all fireplace models. Purchase these heater accessories from your local dealer . If they can not supply these accessories, call DESA Heating Products at 1-866-672-6040 for referral information.
www .desatech.com 1 1 1347-01E 28 ILL USTRA TED P ARTS BREAKDOWN V ARIABLE MANUALL Y - CONTROLLED ECHO V ALLEY OAK LOG MODELS LSL3124N, LSL3124P 3 - ODS Pilot (Propane/LP) 3 - ODS Pilot (Natural Gas) .
www .desatech.com 1 1 1347-01E 29 P ARTS LIST V ARIABLE MANUALL Y -CONTROLLED ECHO V ALLEY OAK LOG MODELS This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 27 of this manual.
www .desatech.com 1 1 1347-01E 30 ILL USTRA TED P ARTS BREAKDOWN THERMOST A TICALL Y - CONTROLLED MEADOWBROOK OAK LOG MODELS CDL3924NT , CDL3924PT 15 1 3 4 6 5 12 12 12 20 19 12 16 14 13 2 18 12 12 21.
www .desatech.com 1 1 1347-01E 31 P ARTS LIST THERMOST A TICALL Y - CONTROLLED MEADOWBROOK OAK LOG This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 27 of this manual.
2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com 1 1 1347-01 Rev . E 09/04 NOT A UPC WARRANTY INFORMA TION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory .
An important point after buying a device Desa CDL3924PT (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 CDL3924PT 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 CDL3924PT - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa CDL3924PT you will learn all the available features of the product, as well as information on its operation. The information that you get Desa CDL3924PT will certainly help you make a decision on the purchase.
If you already are a holder of Desa CDL3924PT, 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 CDL3924PT.
However, one of the most important roles played by the user manual is to help in solving problems with Desa CDL3924PT. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa CDL3924PT 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
