Desa CDR3924PT - Manuals - manualsarea.com

Page 2 - Air for Combustion and Ventilation; section on page 5 of this manual.; TABLE OF CONTENTS

www.desatech.com 113183-01A 2 WARNING: 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, servi...

Page 3 - SAFETY INFORMATION; Get

www.desatech.com 3 113183-01A SAFETY INFORMATION WARNING: This product c o n t a i n s a n d / o r g e n e r a t e s chemicals known to the State of California to cause cancer or birth defects, or other reproduc- tive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying t...

Page 4 - Cleaning and Maintenance; Continued; Air for Combustion and; LOCAL CODES; The National Fuel Gas Code ANSI

www.desatech.com 113183-01A 4 1. This appliance is only for use with the type of gas indicated on the rating plate. This ap- pliance is not convertible for use with other gases. 2. Do not place propane/LP supply tank(s) in- side any structure. Locate propane/LP supply tank(s) outdoors. 3. If you sme...

Page 5 - OPERATION; National Fuel

www.desatech.com 5 113183-01A PRODUCT IDENTIFICATION Log Set Base Assembly Ignitor Burner Control Knob Figure 1 - Product Identiﬁcation Grate UNPACKING CAUTION: Do not remove the data plates from the base as- sembly. The data plates contain important warranty and safety information. 1. Remove logs a...

Page 6 - Ventilation Air From Outdoors; Confined and Unconfined Space; AIR FOR COMBUSTION

www.desatech.com 113183-01A 6 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. Unusually tight construction is deﬁned as ...

Page 7 - National Fuel Gas Code,; VENTILATION AIR; Ventilation Air From Inside Building; National Fuel Gas; Ventilation Air From Outdoors; Section 5.3, Air for Combustion and Ventilation

www.desatech.com 7 113183-01A A. Rework worksheet, adding the space of an adjoin- ing room. If the extra space provides an unconﬁned space, remove door to adjoining room or add ventilation grills between rooms. See Ventilation Air From Inside Building. B. Vent room directly to the outdoors. See Vent...

Page 8 - INSTALLATION; Air; CHECK GAS TYPE

www.desatech.com 113183-01A 8 INSTALLATION 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 heating system, you may run system’s circulating blower whi...

Page 9 - Figure 4 - Minimum Clearance for

www.desatech.com 9 113183-01A INSTALLATION AND CLEARANCES FOR VENT-FREE OPERATION WARNING: Maintain the minimum clearances. If pos- sible, provide greater clearances from ﬂoor, ceiling, and adjoining wall. LOG SIZING REQUIREMENTS Log Minimum Firebox Size Height Depth Front Rear * Width Width 24"...

Page 10 - MANTEL CLEARANCES; Determining Minimum Mantel Clearance; FLOOR CLEARANCES

www.desatech.com 113183-01A 10 INSTALLATION Continued Minimum Noncombustible Material 8" Min. 12" 15" 18" All minimum distances are in inches 20" 2 1/2 " 6" 8" 10" 12" Distances to Underside of Mantel Hood (GA6050, GA6052 or GA6053) Top of Fireplace Opening Un...

Page 11 - Optional Positioning; Installation Items Needed; Figure 10 - Attaching Flexible Gas Hose

www.desatech.com 11 113183-01A INSTALLATION 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. WARNING: If installing in a sunken ﬁreplace, special care is needed. You...

Page 12 - CONNECTING TO GAS SUPPLY

www.desatech.com 113183-01A 12 INSTALLATION Continued CONNECTING TO GAS SUPPLY WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator. WARNING: A qualiﬁed ser- vice person must connect heater to gas supply. Follow all local codes. CAUTION: F...

Page 13 - CAUTION: Avoid damage to; Figure 13 - Gas Connection; CHECKING GAS CONNECTIONS; Connecting to Gas Supply

www.desatech.com 13 113183-01A INSTALLATION Continued We recommend that you install a sediment trap in supply line as shown in Figure 13. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sediment trap where trapped matter is ...

Page 14 - Figure 14 - Equipment Shutoff Valve; INSTALLING LOGS; Operating Heater

www.desatech.com 113183-01A 14 INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Figure 14).2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or ...

Page 15 - ADDING LAVA ROCK; Place lava rock around base of heater if desired.

www.desatech.com 15 113183-01A ADDING LAVA ROCK Place lava rock around base of heater if desired. Be sure not to cover the control knobs or air inlet openings on the front of heater. INSTALLATION Continued Figure 18 - Installing Middle Log #1, Front Log #2, Left Log #3 and Right Log #4 Figure 19 - I...

Page 16 - OPERATING HEATER; FOR YOUR SAFETY READ

www.desatech.com 113183-01A 16 OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a ﬁre or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When...

Page 17 - Button Locations; just heating levels by using the; Shutting Off Heater; Lighting

www.desatech.com 17 113183-01A OPERATING HEATER Continued Figure 21 - Control Knob(s) and Ignitor Button Locations Ignitor Button Control Knob Rear Burner Control Knob Figure 22 - Pilot (Propane/LP) Pilot Burner Thermocouple Figure 23 - Pilot (Natural) Ignitor Electrode Pilot Burner Thermocouple 5. ...

Page 18 - INSPECTING BURNERS; PILOT FLAME PATTERN; BURNER FLAME PATTERNS; To Turn Off Gas to Appli-; TECHNICAL SERVICE

www.desatech.com 113183-01A 18 Pilot Burner Pilot Burner Pilot Burner Thermocouple INSPECTING BURNERS Check pilot ﬂame pattern and burner ﬂame pat- terns often. PILOT FLAME PATTERN Figure 24 shows a correct pilot ﬂame pattern. Figure 25 shows an incorrect pilot ﬂame pattern. The incorrect pilot flam...

Page 19 - Figure 28 - Injector Holder On Outlet; Injector Holder; LOGS; ing Logs

www.desatech.com 19 113183-01A Access Hole for Cleaning Natural Pilot CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep con- trol areas, burners, and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have ...

Page 20 - TROUBLESHOOTING; WARNING: Turn off heater and let cool before servicing. Only a; POSSIBLE CAUSE; Cleaning; OBSERVED PROBLEM

www.desatech.com 113183-01A 20 TROUBLESHOOTING 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/pilot. This can damage ODS/pilot unit. Note: All troubleshooting i...

Page 23 - IMPORTANT; S e e Wa r n i n g; REMEDY

www.desatech.com 23 113183-01A 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. Fol- low the gas supplier’s instructions. • ...

Page 24 - Glass Door

www.desatech.com 113183-01A 24 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB 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 thermost...

Page 25 - PARTS UNDER WARRANTY; SERVICE HINTS; When Gas Pressure Is Too Low; ACCESSORIES; NOTICE: All accessories may; FIREPLACE HOOD

www.desatech.com 25 113183-01A SPECIFICATIONS CDR3924PT CDR3924NT Btu (Variable) 11,000/39,000 11,000/39,000 Type Gas Propane/LP Natural Ignition Electronic Electronic Manifold Pressure 8.0" W.C. 3.6" W.C. Inlet Gas Pressure (in. of water) Maximum 14" 10.5" Minimum* 11" 5" Sh...

Page 26 - ILLUSTRATED PARTS BREAKDOWN

www.desatech.com 113183-01A 26 ILLUSTRATED PARTS BREAKDOWN MODELS CDR3924PT AND CDR3924NT 4 7 6 27 27 8 26 10 23 19 20 29 28 32 31 33 30 14 15 9 13 5 25 21 1 16 17 2 12 24 3 11 22 18

Page 27 - PARTS LIST; listed under

www.desatech.com 27 113183-01A PARTS LIST 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. KEY PART NUMBER NO. CDR3924NT CDR3924PT DESCRIPTION QTY. 1 ** ** Dual Ramp Base 1 2 111331-16 113...

Page 28 - NOT A UPC; WARRANTY INFORMATION; KEEP THIS WARRANTY; Model; LIMITED WARRANTY

113183 01 2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004www.desatech.com 113183-01Rev. A07/04 NOT A UPC WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory.We reserve the right to amend t...