Page 2 - Air for Combustion and Ventilation; section on page 5 of this manual.; TABLE OF CONTENTS
www.desatech.com 113101-01C 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, servic...
Page 3 - SAFETY INFORMATION; Carbon Monoxide Poisoning:; Get fresh air at once!
www.desatech.com 113101-01C 3 SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, op- erate...
Page 4 - Continued; Log Heater Shown (Logs May Vary by; PRODUCT
www.desatech.com 113101-01C 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 appliance is not convertible for use with other gases. 2. Do not place...
Page 5 - LOCAL CODES; The National Fuel Gas Code ANSI; PRODUCT FEATURES; OPERATION; AIR FOR COMBUSTION; State of Massachusetts:
www.desatech.com 113101-01C 5 LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the lat- est edition of The National Fuel Gas Code ANSI Z223/NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 ...
Page 6 - Unusually Tight Construction; Ventilation Air From Outdoors; Confined Space and Unconfined Space
www.desatech.com 113101-01C 6 Exhaust fans, fireplaces, clothes dryers and fuel burning appliances draw air from the house to operate. You must provide adequate fresh air for these appliances. This will insure proper venting of vented fuel-burning appliances. PROVIDING ADEQUATE VENTILATION The follow...
Page 7 - National Fuel Gas Code,; VENTILATION AIR; Ventilation Air From Inside Building; Figure 2 - Ventilation Air from Inside; Section 5.3, Air for Combustion and Ventilation
www.desatech.com 113101-01C 7 Example: Gas water heater __________ Btu/Hr Vent-free fireplace + __________ Btu/Hr Total = __________ Btu/Hr 4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used. _________ Btu/Hr (maximum the space can support) _________ Btu/Hr (act...
Page 8 - CHECK GAS TYPE; INSTALLATION
www.desatech.com 113101-01C 8 WARNING: Never install the heater • in a bedroom or bathroom unless installed as a vented appliance (Variable Manually-Controlled Models Only) (see page 12) • in a recreational vehicle • where curtains, furniture, cloth- ing or other flammable objects are less than 42 in...
Page 9 - Installing Damper Clamp Accessory; If Not Using Mantel; If Using; Accessories
www.desatech.com 113101-01C 9 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 10 - If Using Mantel; Installing Damper Clamp; MANTEL CLEARANCES; Determining Minimum Mantel Clearance; Figure 6 - Minimum Mantel Clearances Without Using Hood
www.desatech.com 113101-01C 10 Minimum Non-Combustible Material Minimum Non-Combustible Material Height Distances to Underside ofMantel Top of FireplaceOpening Underside ofMantel Shelf Mantel Shelf 12" 8" (A) 18" 8" 20" 14" 22" 17" 24" 20" All minimum distance...
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 113101-01C 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" Dista...
Page 13 - Optional Positioning Of Thermostat; Installation Items Needed; Figure 12 - Attaching Base Assembly to; CONNECTING TO GAS SUPPLY
www.desatech.com 113101-01C 13 INSTALLATION Continued IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting...
Page 14 - Figure 13 - External Regulator With Vent; Natural
www.desatech.com 113101-01C 14 Installation Items Needed Before installing heater, make sure you have the items listed below.• external regulator (supplied by installer)• piping (check local codes)• sealant (resistant to propane/LP gas)• equipment shutoff valve *• test gauge connection *• sediment t...
Page 15 - CHECKING GAS CONNECTIONS; Connecting; Figure 15 - Equipment Shutoff Valve
www.desatech.com 113101-01C 15 INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Test all gas piping and connections , internal and external to unit, for leaks after installing or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a commercial lea...
Page 16 - Figure 18 - Installing Back Log; Figure 19 - Installing Front Log
www.desatech.com 113101-01C 16 Pressure Testing Heater Gas Connections 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 supply 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 113101-01C 17 Figure 20 - Installing Crossover Logs Crossover Log (#3) Pegs INSTALLATION Continued INSTALLING LOGS, MODELS CLD3018PTA, CLD3018NTA, CLD3924PTB AND CLD3924NTB WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifica...
Page 18 - Grate Fingers; Figure 24 - Installing Crossover Logs; OPERATING HEATER; MODELS; FOR YOUR SAFETY; low these instructions exactly,
www.desatech.com 113101-01C 18 4. Place crossover log (#5) onto the pin (left) on middle log (#1) and onto the pin on front left log (#3) (see Figure 24). 5. Place crossover log #6 onto the pin (right) on middle log (#1) and onto the pin on back log (#2) (see Figure 24). 6. Place crossover log (#7) ...
Page 19 - Manual Lighting Procedure; Ignitor Button
www.desatech.com 113101-01C 19 LIGHTING INSTRUCTIONS WARNING: • If fireplace has glass doors, never operate this heater with glass doors closed. If you op- erate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Make sure there are no obstructions across openings of fir...
Page 20 - VARIABLE CONTROL; just heating levels by using the; TO TURN OFF GAS; Shutting Off Heater; Natural Gas; CONTROLLED MODELS; MANUAL LIGHTING; Lighting
www.desatech.com 113101-01C 20 Figure 27 - Pilot Thermocouple Ignitor Electrode Pilot Burner VARIABLE CONTROL OPERATION The variable control valve can be set to any heat setting and flame height desired, by simply turning the control knob until that setting is attained. Even the lowest setting provid...
Page 21 - Figure 28 - Control Knob and Ignitor; Thermocouple
www.desatech.com 113101-01C 21 LIGHTING INSTRUCTIONS WARNING • If fireplace has glass doors, never operate this heater with glass doors closed. If you op- erate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Make sure there are no obstructions across openings of fire...
Page 22 - INSPECTING BURNERS; Figure 30 - Correct Pilot Flame Pattern; To Turn Off Gas to Appli-
www.desatech.com 113101-01C 22 OPERATING HEATER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater Turn control knob clockwise to the OFF position. Shutting Off Burners Only (pilot stays lit) Turn control knob clockwise to the PILOT position. THERMOSTAT CONTROL OPERATION The thermostat contr...
Page 23 - Figure 32 - Injector Holder On Outlet
www.desatech.com 113101-01C 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 heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a quali- fied s...
Page 24 - TECHNICAL SERVICE; When Gas Pressure Is Too Low; CLEANING AND; REPLACEMENT PARTS; PARTS UNDER WARRANTY
www.desatech.com 113101-01C 24 LOGS • If you remove logs for cleaning, refer to Install- ing Logs, page 16, 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 holes in the brass fitting at the ent...
Page 25 - TROUBLESHOOTING; WARNING: Turn off and unplug heater and let cool before servicing.; POSSIBLE CAUSE; Cleaning
www.desatech.com 113101-01C 25 TROUBLESHOOTING WARNING: Turn off and unplug 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 trouble...
Page 26 - OBSERVED PROBLEM
www.desatech.com 113101-01C 26 TROUBLESHOOTING Continued OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is re- leased Burner does light after ODS/pi- lot is lit Delayed ignition of burner Burner backfiring during com- bustion REMEDY 1. Press in control knob fully 2. After ODS/p...
Page 28 - IMPORTANT; REMEDY
www.desatech.com 113101-01C 28 OBSERVED PROBLEM H e a t e r p r o d u c e s u n w a n t e d odors Heater shuts off in use (ODS operates) Gas odor even when control knob is in OFF position Gas odor during combustion Log set cycles to pilot, but room temperature drops to a lower than ideal level befor...
Page 29 - Figure 34 - Location of Gas Valve; Capillary
www.desatech.com 113101-01C 29 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 31 - PARTS CENTRAL; Portable Heater Parts; ACCESSORIES; FIREPLACE HOOD
www.desatech.com 113101-01C 31 PARTS CENTRAL These Parts Centrals are privately owned businesses. They have agreed to support our customerʼs needs by providing original replacement parts and accessories. Tool & Equipment, Co. 5 Manila Ave Hamden, CT 06514-0322 1-800-397-7553 203-248-7553 Parts D...
Page 32 - ILLUSTRATED PARTS BREAKDOWN
www.desatech.com 113101-01C 32 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 ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY-CONTROLLED WINCHESTER OAK MODELS CGS2718NA, CGS2718PA CGS3124NA, CGS3124PA SGS3124NA, SGS3124PA
Page 33 - PARTS LIST; VARIABLE MANUALLY-CONTROLLED WINCHESTER OAK MODELS; listed under; PART NUMBER; Painted Base Assembly; PARTS AVAILABLE — NOT SHOWN; Lava Rock
www.desatech.com 113101-01C 33 PARTS LIST VARIABLE MANUALLY-CONTROLLED WINCHESTER OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 24 of this manual. PART NUMBER KEY CGS2718N CGS2718P CGS3124N CGS...
Page 35 - THERMOSTATICALLY-CONTROLLED ROYAL ENGLISH OAK MODELS; KEY; Burner Retainer Spring; Plate
www.desatech.com 113101-01C 35 PARTS LIST THERMOSTATICALLY-CONTROLLED ROYAL ENGLISH OAK MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 24 of this manual. KEY PART NUMBER NO. CLD3924NTB CLD3924PTB CL...
Page 36 - NOT A UPC; WARRANTY INFORMATION; KEEP THIS WARRANTY; Date Purchased
2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004www.desatech.com 113101-01Rev. C06/05 NOT A UPC WARRANTY INFORMATION KEEP THIS WARRANTY Always specify model and serial numbers when communicating with the factory.We reserve the right to amend these specifications at any time without not...