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ROYAL ENGLISH OAK, BILTMORE SPLIT OAK,
AND WINCHESTER OAK UNVENTED
(VENT-FREE) NATURAL GAS LOG HEATER
VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED
AS VENTED DECORATIVE APPLIANCES
OWNER’S OPERATION AND INSTALLATION MANUAL
24" and 30" Thermostatically-
18" and 24" Variable
Controlled Models
Manually-Controlled Models
CLD3924NT
CGS2718N
CCL3930NT(A)
CGS3124N
CLD3018N
Patent
Pending
®
(Winchester Oak Model Shown)
WARNING: Improper installation, ad-
WARNING: If the information in this m
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER 2. If you smell gas 10. Do not allow fans to blow directly into SAFETY • shut off gas supply the fireplace. Avoid any drafts that al- INFORMATION • do not try to light any appliance ter burner flame patterns. Ceiling fans • do not touch any electrical switch; do can create drafts that alter burner flame not use any phone in your building patterns. Altered burner patterns can WARNINGS • immediately call you
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OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES OPERATION Back Log This heater is clean burning. It requires no outside venting. There is no heat loss out a Crossover Log vent or up a chimney. Heat is generated by realistic, dancing yellow flames. This heater is designed for vent-free operation with flue damper closed. It has been tested and ap- proved to ANS Z21.11.2 standard for Front Log unvented heaters. State and local codes in some areas prohibit the use of vent-free heaters. Non-th
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER Confined Space and Unconfined PROVIDING ADEQUATE AIR FOR Space VENTILATION COMBUSTION AND The National Fuel Gas Code (ANS Z223.1, The following are excerpts from National VENTILATION 1992 Section 5.3) defines a confined space Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- as a space whose volume is less than 50 tion 5.3, Air for Combustion and Ventilation. 3 cubic feet per 1,000 Btu per hour (4.8 m per WARNING: T
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OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued 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. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. 1. Determine the volume of the space (length x width x height). Length x Width x Height = _________________cu.
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER AIR FOR 12" COMBUSTION AND VENTILATION Ventilation Continued Ventilation Grills Grills Into Adjoining Room, Into Adjoining VENTILATION AIR Or Option 2 Room, Remove Ventilation Air From Inside Option 1 Door into Building Adjoining This fresh air would come from an adjoin- Room, ing unconfined space. When ventilating Option to an adjoining unconfined space, you 3 must provide two permanent openings: one wi
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OWNER’S MANUAL INSTALLATION AND INSTALLATION WARNING: Never install the CLEARANCES heater NOTICE: This heater is intended (Vent-Free Operation Only) • in a bedroom or bathroom un- for use as supplemental heat. Use less installed as a vented ap- this heater along with your pri- pliance (Variable Manually- WARNING: Maintain the mini- mary heating system. Do not in- Controlled Models Only) (see mum clearances. If you can, pro- stall this heater as your primary page 10) vide greater clearances fro
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER If Using Mantel IMPORTANT: If you cannot meet these INSTALLATION minimum clearances, you must operate You must have noncombustible material(s) Continued heater with chimney flue damper open. Go above the fireplace opening. Noncombus- to Installing Damper Clamp Accessory for tible materials (such as slate, marble, tile, NOTICE: You may use non-ther- Vented Operation, page 10. etc.) must be at least 1/2 inch
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OWNER’S MANUAL INSTALLATION Mantel Shelf 10" Underside of 8" Continued Mantel Shelf 6" 1 MANTEL CLEARANCES 2 /2" In addition to meeting noncombustible mate- All minimum rial clearances, you must also meet required distances are in inches clearances between fireplace opening and Minimum Non- mantel shelf. If you do not meet the clear- (A) Combustible Log Set Material ances listed below, you will need a hood. 12" 18" 20" 22" 24" 24" Model 3 8" 8" 14" 16 /4" 20" 18" Model Determining Minimum Man
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER Damper INSTALLATION Clamp Damper Continued Clamp INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Damper Note: When used as a vented heater, appli- ance must be installed only in a solid-fuel Damper Damper burning fireplace with a working flue and constructed of noncombustible material. If your heater is a manually controlled model, you may use this heater as a vented product. There are three reasons
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OWNER’S MANUAL Installation must include a manual shutoff CONNECTING TO GAS INSTALLATION valve, union, and plugged 1/8" NPT tap. SUPPLY Continued Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from 6. Drill holes at marked locations using WARNING: A qualified ser- heater (see Figure 13). 3/16" drill bit. vice person must connect heater Apply pipe joint sealant lightly to male 7. Attach base assembly to fireplace floor to gas supply. Follow all local threads. This w
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER Test Pressures Equal To or Less Than Pressure Testing Heater Gas INSTALLATION 1/2 PSIG Connections Continued 1. Close manual shutoff valve (see Fig- 1. Open manual shutoff valve (see Fig- ure 14). CHECKING GAS ure 14). 2. Pressurize supply piping system by ei- CONNECTIONS 2. Open main gas valve located on or near ther using compressed air or opening gas meter. main gas valve located on or near gas WARNING:
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OWNER’S MANUAL Crossover Back Log (#1) INSTALLATION Log (#3) Notch Continued Rectangular INSTALLING LOGS ON Notch Knob MODELS CGS2718N AND Peg CGS3124N Hole WARNING: Failure to position the parts in accordance with these Peg diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. Rectangular Knob CAUTION: After installation and periodically thereafter, check Figure 18 - Installing Crossover Log to ensure that no flame comes
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER 1. Place the base of the middle log (#1) in 3. Locate the notches in the bottom of the INSTALLATION the U-shaped slots of the grate base. front log (#3). Place the front log on Continued The cutout on the right of the middle the grate fingers. Make sure the notches log should fit over the burner (see Fig- of the front log line up with the grate INSTALLING LOGS ON ure 19). Make sure the front of the fingers
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7 6 OWNER’S MANUAL 4. Locate pegs on the bottom of crossover 6. Locate pegs on the bottom of crossover INSTALLATION log (#4). Slide these pegs into the holes log (#6). Slide these pegs into the holes Continued located in middle log (#2) and back log located in back log (#3) and front log (#3). See Figure 26 for placement. (#1). See Figure 28. INSTALLING LOGS ON 5. Locate pegs on the bottom of crossover 7. Locate pegs on the bottom of crossover MODEL CCL3930NT(A) log (#5). Slide these pegs into t
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER 4. Wait five (5) minutes to clear out any LIGHTING OPERATING gas. Then smell for gas, including INSTRUCTIONS HEATER near the floor. If you smell gas, STOP! Follow “B” in the safety in- Manually-Controlled Models WARNING: formation. If you don’t smell gas, go • If fireplace has glass doors, to the next step. FOR YOUR SAFETY never operate this heater with 5. Slightly depress and turn control knob READ BEFORE
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OWNER’S MANUAL Thermostatically-Controlled LIGHTING OPERATING Models INSTRUCTIONS HEATER Continued FOR YOUR SAFETY WARNING READ BEFORE • If fireplace has glass doors, VARIABLE CONTROL LIGHTING never operate this heater with OPERATION glass doors closed. If you op- The variable control valve can be set to erate heater with doors closed, WARNING: If you do not fol- any heat setting and flame height desired, heat buildup inside fireplace low these instructions exactly, a by simply turning the con
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LO Pilot CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER Ignitor Electrode OPERATING INSPECTING Pilot Burner Thermocouple HEATER BURNERS Check pilot flame pattern and burner flame Continued patterns often. 5. Turn control knob counterclockwise C-clockwise to the PILOT position. PILOT FLAME PATTERN Press in control knob for five (5) sec- Figure 33 - Pilot onds (see Figure 32). Figure 34 shows a correct pilot flame pattern. Figure 35 shows an incorrect pil
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OWNER’S MANUAL Burner We also recommend that you keep the burner INSPECTING Tube tube and pilot assembly clean and free of dust Ports/Slots BURNERS and dirt. To clean these parts we recommend using compressed air no greater than 30 PSI. Continued Your local computer store, hardware store, or home center may carry compressed air in a MAIN BURNER can. You can use a vacuum cleaner in the Periodically inspect all burner flame holes blow position. If using compressed air in a Pilot Assembly with the
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CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NT(A) UNVENTED NATURAL GAS LOG HEATER TROUBLESHOOTING WARNING: Turn off and un- CAUTION: Never use a wire, plug heater and let cool before needle, or similar object to clean Note: For additional help, visit DESA servicing. Only a qualified ser- ODS/pilot. This can damage ODS/ International’s Technical Service web vice person should service and pilot unit. site at www.desatech.com. repair heater. Note: All troubleshooting items are listed in or
