Page 2 - TABLE OF CONTENTS
www.desatech.com 113101-01A 2 WARNING: Improper installation, adjustment, altera-tion, service, or maintenance can cause injury or prop-erty damage. Refer to this manual for correct installationand operational procedures. For assistance or addi-tional information consult a qualified installer, servi...
Page 3 - SAFETY INFORMATION; DANGER: Carbon monoxide; Get fresh; Have fireplace serviced. Some people; WARNING: Any change to
www.desatech.com 113101-01A 3 SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicalsknown to the State of Californiato cause cancer or birth defects,or other reproductive harm. IMPORTANT: Read this owner’smanual carefully and completelybefore trying to assemble, oper-ate, or ...
Page 4 - Continued; Log Heater Shown (Logs May Vary by; Installing Damper Clamp Ac-; PRODUCT
www.desatech.com 113101-01A 4 SAFETY INFORMATION Continued Figure 1 - Yellow Flame Vent-Free Gas Log Heater Shown (Logs May Vary by Model) 1. This appliance is only for use with the type of gas indicated on the rating plate. This appli-ance is not convertible for use with other gases. 2. Do not plac...
Page 5 - LOCAL CODES; The National Fuel Gas Code ANSI Z223/; UNPACKING; CAUTION: Do not remove; PRODUCT FEATURES; OPERATION; AIR FOR COMBUSTION; WARNING: This heater shall; ational Fuel
www.desatech.com 113101-01A 5 LOCAL CODES Install and use heater with care. Follow all localcodes. In the absence of local codes, use the latestedition of The National Fuel Gas Code ANSI Z223/ NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 Nat...
Page 6 - The
www.desatech.com 113101-01A 6 Unusually Tight Construction The air that leaks around doors and windows mayprovide enough fresh air for combustion and ven-tilation. However, in buildings of unusually tightconstruction, you must provide additional fresh air. Unusually tight construction is defined asc...
Page 7 - WARNING: If the area in; VENTILATION AIR; Ventilation Air From Inside Building; National Fuel Gas; Figure 2 - Ventilation Air from Inside; for required size of ventilation grills or ducts.; INSTALLATION
www.desatech.com 113101-01A 7 C. Install a lower Btu/Hr fireplace, if lower Btu/Hr size makes room unconfined. If the actual Btu/Hr used is less than the maximumBtu/Hr the space can support, the space is an un- confined space. You will need no additional freshair ventilation. WARNING: If the area in...
Page 8 - Vent-free heaters add moisture to; CHECK GAS TYPE; WARNING: This appliance is
www.desatech.com 113101-01A 8 LOG SIZING REQUIREMENTS Minimum Firebox Size Log Front Rear Size Height Depth Width Width* 18" 17" 14" 24" 20" 24" 17" 14" 28" 21" MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling 18", 24" 16...
Page 9 - Example; tel; Requirements for; Accessories
www.desatech.com 113101-01A 9 Carefully follow the instructions below. This willensure safe installation into a masonry, UL127-listed manufactured fireplace, or certified vent-freefirebox. Minimum Clearances For SideCombustible Material, Side Wall, andCeiling A. Clearances from the side of the firep...
Page 10 - If you cannot meet these minimum; MANTEL CLEARANCES; Determining Minimum Mantel Clearance; flue damper open; Figure 6 - Minimum Mantel Clearances Without Using Hood
www.desatech.com 113101-01A 10 If Using Mantel You must have noncombustible material(s) abovethe fireplace opening. Noncombustible materials(such as slate, marble, tile, etc.) must be at least 1/2inch thick. With sheet metal, you must have non-combustible material behind it. Noncombustiblematerial m...
Page 11 - Figure 7 - Minimum Mantel Clearances When Using Hood; Figure 9 - Minimum Fireplace Clearances; FLOOR CLEARANCES; A. If installing appliance on the floor level, you
www.desatech.com 113101-01A 11 INSTALLATION Continued Figure 7 - Minimum Mantel Clearances When Using Hood Minimum Non-Combustible Material 8"Min. 12" 15" 18" All minimum distances arein inches Log Set 18" and 24" Models 20" 2 1 /2 " 6" 8" 10" 12" Dist...
Page 12 - Figure 10 - Attaching Damper Clamp; Damper
www.desatech.com 113101-01A 12 Area of Various Standard Round Flues Diameter (ins.) Area (sq. ins. ) 5" 20 sq. inches 6" 29 sq. inches 7" 39 sq. inches 8" 51 sq. inches Chimney Minimum Permanent Height (ft.) Flue Opening (sq. ins.) 6' to 15' 39 sq. inches 15' to 30' 29 sq. inches Fig...
Page 13 - Optional Positioning Of Thermostat; Installation Items Needed; Fitting; CONNECTING TO GAS SUPPLY; WARNING: This appliance
www.desatech.com 113101-01A 13 INSTALLATION Continued IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not workproperly. For thermostat models, avoid damage tothermostat bulb. Avoid nicks or sharp bends inthermostat bulb wire. Keep thermostat bulb inmounting bra...
Page 14 - Figure 13 - External Regulator With Vent; Install equipment shutoff valve in; WARNING: Use pipe joint; Figure 14 - Gas Connection; Natural
www.desatech.com 113101-01A 14 Installation Items Needed Before installing heater, make sure you have theitems listed below.• external regulator (supplied by installer)• piping (check local codes)• sealant (resistant to propane/LP gas)• equipment shutoff valve *• test gauge connection *• sediment tr...
Page 15 - CHECKING GAS CONNECTIONS; WARNING: Never use an; Disconnect appliance with its appliance main; Figure 15 - Equipment Shutoff Valve; Open; Figure 17 - Checking Gas Joints; Equipment Shutoff Valve; Figure 16 - Checking Gas Joints
www.desatech.com 113101-01A 15 CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections , internaland external to unit, for leaksafter installing or servicing. Cor-rect all leaks at once. WARNING: Never use an open flame to check for a leak.Apply a commercial leak detec-t i o n s o l ...
Page 16 - CAUTION: After installation; Figure 18 - Installing Back Log; Hole; Figure 19 - Installing Front Log; Notch
www.desatech.com 113101-01A 16 Pressure Testing Heater GasConnections 1. Open equipment shutoff valve (see Figure 15, page 15). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP sup-ply tank valve. 3. Make sure control knob of heater is in the OFF position. 4. Ch...
Page 17 - Figure 20 - Installing Crossover Logs
www.desatech.com 113101-01A 17 Figure 20 - Installing Crossover Logs CrossoverLog (#3) Pegs INSTALLATION Continued INSTALLING LOGS, MODELSCLD3018PTA, CLD3018NTA,CLD3924PTB AND CLD3924NTB WARNING: Failure to posi- tion the parts in accordance withthese diagrams or failure to useonly parts specificall...
Page 18 - Grate Fingers; Figure 23 - Installing Front Logs; OPERATING HEATER; MODELS
www.desatech.com 113101-01A 18 4. Place crossover log (#5) onto the pin (left) on middle log (#1) and onto the pin on front leftlog (#3) (see Figure 24). 5. Place crossover log #6 onto the pin (right) on middle log (#1) and onto the pin on backlog (#2) (see Figure 24). 6. Place crossover log (#7) on...
Page 19 - • If fireplace has glass doors,; Manual Lighting Procedure; WARNING: Do not operate; Figure 26 - Control Knob and Ignitor; Ignitor Button
www.desatech.com 113101-01A 19 LIGHTING INSTRUCTIONS WARNING: • If fireplace has glass doors, never operate this heater withglass doors closed. If you op-erate heater with doors closed,heat buildup inside fireplacewill cause glass to burst. Makesure there are no obstructionsacross openings of firepl...
Page 20 - Shutting Off Heater; structions; Natural Gas
www.desatech.com 113101-01A 20 Figure 27 - Pilot Thermocouple IgnitorElectrode Pilot Burner VARIABLE CONTROL OPERATION The variable control valve can be set to any heatsetting and flame height desired, by simplyturning the control knob until that setting isattained. Even the lowest setting provides ...
Page 21 - WARNING; Figure 28 - Control Knob and Ignitor; Control Knob; Thermocouple
www.desatech.com 113101-01A 21 LIGHTING INSTRUCTIONS WARNING • If fireplace has glass doors, never operate this heater withglass doors closed. If you op-erate heater with doors closed,heat buildup inside fireplacewill cause glass to burst. Makesure there are no obstructionsacross openings of firepla...
Page 22 - Shutting Off Burners Only (pilot stays lit); Lighting; INSPECTING BURNERS; Figure 30 - Correct Pilot Flame Pattern; To Turn Off Gas to Appli-
www.desatech.com 113101-01A 22 OPERATING HEATER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater Turn control knob clockwise Clockwise to the OFF position. Shutting Off Burners Only (pilot stays lit) Turn control knob clockwise Clockwise to the PI- LOT position. THERMOSTAT CONTROL OPERATIO...
Page 23 - WARNING: Turn off heater; Figure 32 - Injector Holder On Outlet; Burner Tube; Figure 33 - Pilot Inlet Air Hole
www.desatech.com 113101-01A 23 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 heaterclean. Inspect these areas ofheater before each use. Haveheater inspected yearly by a quali-fied serv...
Page 24 - LOGS; • If you remove logs for cleaning, refer to; BURNER PRIMARY AIR HOLES; TECHNICAL SERVICE; When Gas Pressure Is Too Low; CLEANING AND; REPLACEMENT PARTS; Use only original replacement parts. This; PARTS UNDER WARRANTY
www.desatech.com 113101-01A 24 LOGS • If you remove logs for cleaning, refer to In- stalling Logs, page 16 through 18, to properly replace logs. • Replace log(s) if broken or chipped (dime-sized or larger). BURNER PRIMARY AIR HOLES Air is drawn into the burner through the 8 holesin the brass fitting...
Page 25 - TROUBLESHOOTING; WARNING: Turn off and unplug heater and let cool before servic-; POSSIBLE CAUSE; Cleaning
www.desatech.com 113101-01A 25 TROUBLESHOOTING WARNING: Turn off and unplug heater and let cool before servic- ing. 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 tro...
Page 27 - WARNING: If you smell gas; OBSERVED PROBLEM; Cleaning and; IMPORTANT; S e e Wa r n i n g
www.desatech.com 113101-01A 27 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 gas suppl...
Page 28 - REMEDY; OPTIONAL POSITIONING; Figure 34 - Location of Gas Valve
www.desatech.com 113101-01A 28 OBSERVED PROBLEM Heater shuts off in use (ODS op-erates) Gas odor even when control knobis in OFF position Gas odor during combustion Log set cycles to pilot, but roomtemperature drops to a lower thanideal level before log set comesback on POSSIBLE CAUSE 1. Not enough ...
Page 29 - Thermostat Screw
www.desatech.com 113101-01A 29 3. The thermostat sensing bulb may be located to the lower right front side of fireplace. Determinelocation of sensing bulb, but do not mount sens-ing bulb until step 4. If you have a masonry fire-place, see Figure 37 for location. If you have afactory-built metal fire...
Page 30 - SPECIFICATIONS; ACCESSORIES; FIREPLACE HOOD; F o r a l l m o d e l s .
www.desatech.com 113101-01A 30 SPECIFICATIONS 18" Model 18" Model 24" Model 24" Model (CGS2718PA) (CLD3018PTA) (CGS3124PA) (CLD3924PTB) (SGS3124PA) Btu (Variable) 16,000/27,000 18,000/30,000 16,000/31,500 20,000/39,000 Type Gas Propane/LP Propane/LP Propane/LP Propane/LP Ignition Pie...
Page 31 - PARTS CENTRAL; Tool & Equipment Company
www.desatech.com 113101-01A 31 PARTS CENTRAL These Parts Centrals are privately owned businesses. They have agreed to support our customer’sneeds by providing original replacement parts and accessories. Tool & Equipment Company 1348 Dixwell AvenueHamden, CT 06514-03221-800-397-7553203-248-7553Pa...
Page 32 - ILLUSTRATED PARTS BREAKDOWN
www.desatech.com 113101-01A 32 ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY-CONTROLLED WINCHESTER OAK MODELSCGS2718NA, CGS2718PACGS3124NA, CGS3124PASGS3124NA, SGS3124PA 3 2 18 20 21 19 12 8 9 10 22 19 7 14 6 22 22 17 5 20 15 16 11 13 1 4
Page 33 - PARTS LIST; VARIABLE MANUALLY-CONTROLLED WINCHESTER OAK MODELS; Replacement Parts
www.desatech.com 113101-01A 33 PARTS LIST VARIABLE MANUALLY-CONTROLLED WINCHESTER OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructionslisted under Replacement Parts on page 12 of this manual. PART NUMBER KEY CGS2718N CGS2718P CGS3124N CGS3...
Page 35 - THERMOSTATICALLY-CONTROLLED ROYAL ENGLISH OAK MODEL
www.desatech.com 113101-01A 35 PARTS LIST THERMOSTATICALLY-CONTROLLED ROYAL ENGLISH OAK MODEL This list contains replaceable parts used in your heater. When ordering parts, follow the instructionslisted under Replacement Parts on page 12 of this manual. KEY PART NUMBER NO. CLD3924NTB CLD3924PTB CLD3...
Page 36 - NOT A UPC; WARRANTY INFORMATION; KEEP THIS WARRANTY
2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004www.desatech.com 113101-01Rev. A03/04 NOT A UPC 113101 01 WARRANTY INFORMATION KEEP THIS WARRANTY Model _________________________________ Serial No. ______________________________ Date Purchased _________________________ Always specify m...