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UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATERS
OWNER’S OPERATION AND
INSTALLATION MANUAL
For more information, visit www.desatech.com For more information, visit www.desatech.com
18", 24" and 30"
18", 24", and 30" Variable
Thermostatically-Controlled
Manually-Controlled Models
Models
CGD3018N CGD3924N
CGD3924NT CGD3930NT
CGD3930N CRL2718N
CGD3018NT CCL3018NT
CCL3924N CRL3124N
CCL3924NT CCL3930NTA
CCL3018N
(Smoky Mountain Oak Model Shown)
BILTMORE SPLIT OAK, SEASONAL OAK, AND
SMOKY MOUNTAIN OAK LOG
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TABLE OF CONTENTS SAFETY INFORMATION 2 TABLE OF CONTENTS SAFETY INFORMATION ............................................................ 2 TROUBLESHOOTING .............................................................. 22 PRODUCT IDENTIFICATION ..................................................... 3 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB .. 25 UNPACKING ............................................................................... 4 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST ....... 26
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SAFETY INFORMATION 3 PRODUCT IDENTIFICATION 3 UNPACKING SAFETY INFORMATION Continued 1. This appliance is only for use with the type of gas indicated on 13. Do not operate heater if any log is broken. Do not operate the rating plate. This appliance is not convertible for use with heater if a log is chipped (dime-sized or larger). other gases. 14. Turn heater off and let cool before servicing. Only a qualified 2. This heater shall not be installed in a bedroom or bathroom, service person should s
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LOCAL CODES PRODUCT FEATURES 4 Operation Safety Pilot Piezo Ignition System AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation UNPACKING AIR FOR COMBUSTION AND VENTILATION CAUTION: Do not remove the data plates from the grate assembly. The data plates contain important WARNING: This heater shall not be installed in a product information. confined space or unusually tight construction un- 1. Remove logs and heater base assembly from carton. Note: Do less provisions are provided f
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AIR FOR COMBUSTION AND VENTILATION 5 Providing Adequate Ventilation (Cont.) 5 Determining Fresh-Air Flow For Heater Location AIR FOR COMBUSTION AND VENTILATION Continued c. caulking or sealants are applied to areas such as 3. Add the Btu/Hr of all fuel burning appliances in the space. joints around window and door frames, between sole Vent-free heater _____________ Btu/Hr plates and floors, between wall-ceiling joints, between Gas water heater* _____________ Btu/Hr wall panels, at penetrations f
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AIR FOR COMBUSTION AND VENTILATION Ventilation Air 6 AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR 12" Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. Ventilation When ventilating to an adjoining unconfined space, you must Ventilation Grills Grills provide two permanent openings: one within 12" of the ceiling and Into Adjoining Room, Into Adjoining Or Option 2 one within 12" of the floor on the wall connecting the two spaces Ro
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INSTALLATION 7 Check Gas Type 7 Installation And Clearances (Vent-Free Operation Only) INSTALLATION NOTICE: This heater is intended for use as supple- CAUTION: This heater creates warm air currents. mental heat. Use this heater along with your primary These currents move heat to wall surfaces next to heating system. Do not install this heater as your heater. Installing heater next to vinyl or cloth wall primary heat source. If you have a central heating coverings or operating heater where impur
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INSTALLATION Installation And Clearances (Vent-Free Operation Only) 8 INSTALLATION Continued If Using Mantel Minimum Clearances For Side Combustible Material, Side Wall, and Ceiling You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) A. Clearances from the side of the fireplace cabinet to any com- bustible material and wall should follow diagram in Figure 5. must be at least 1/2 inch thick. With sheet metal, you must
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INSTALLATION 9 Mantel Clearances 9 Floor Clearances INSTALLATION Continued Mantel Shelf 12" Underside of 10" Mantel Shelf MANTEL CLEARANCES 8" 6" In addition to meeting noncombustible material clearances, you 1 2 /2" must also meet required clearances between fireplace opening and All minimum distances are mantel shelf. If you do not meet the clearances listed in Figure 7, you in inches Minimum Non- will need a hood. Combustible Log Set Material 8" 12" 15" 18" 20" 18", 24", 30" All Models Det
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INSTALLATION Installing Damper Clamp Accessory For Vented Operation 10 Installing Heater Base Assembly INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY INSTALLING HEATER BASE ASSEMBLY FOR VENTED OPERATION CAUTION: Do not remove the data plates attached Note: When used as a vented heater, appliance must be installed to the heater base assembly. The data plates contain only in a solid-fuel burning fireplace with a working flue and important warranty and safety information. constructed of
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INSTALLATION 11 Installing Heater Base Assembly (Cont.) 11 Connecting To Gas Supply INSTALLATION Continued 1. Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flexible gas Masonry hose to gas regulator of heater (see Figure 12). Screw IMPORTANT: Hold gas regulator with wrench when connect- ing flexible gas hose. 2. Locate masonry screws in hardware package. 3. Position heater base assembly in fireplace. 4. Place logs in their pro
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INSTALLATION Connecting To Gas Supply (Cont.) 12 Checking Gas Connections INSTALLATION Continued Installation must include an equipment shutoff valve, union, and CHECKING GAS CONNECTIONS plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 15). WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks IMPORTANT: Install equipment shutoff valve in an accessible location. The equipm
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3 INSTALLATION 13 Checking Gas Connections (Cont.) 13 Installing Logs INSTALLATION Continued 1. Locate pins on the bottom of back log (#1). Slide these pins into Pressure Testing Heater Gas Connections the holes in the grate base behind the burner (see Figure 18). 1. Open equipment shutoff valve (see Figure 16, page 12). 2. Place the base of the middle log (#2) in the U-shaped slots of 2. Open main gas valve located on or near gas meter. the grate base in front of the back log. The cutout on the
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INSTALLATION Installing Logs (Cont.) 14 INSTALLATION Continued Dual Burner Premium Aged Split Oak Models Crossover Back Log (#2) Pin Log (#3) WARNING: Failure to position the parts in accor- Hole in dance with these diagrams or failure to use only parts Grate specifically approved with this heater may result in Recess Base property damage or personal injury. Pin Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these
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7 6 INSTALLATION 15 Installing Logs (Cont.) 15 INSTALLATION Continued Each log is marked with a number. These numbers will help you Log #4 Pins identify the log when installing. It is very important to install these Pins logs exactly as instructed. Do not modify logs. Only use logs supplied with heater. Log #3 Log #2 1. Place the front log (#1) on the grate fingers. Make sure the front log rests firmly between the grate fingers and the grate base (see Figure 27). Hole in Grate 2. Place the base
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INSTALLATION Installing Logs (Cont.) 16 INSTALLATION Continued Single Burner Seasonal Oak Models Front Log WARNING: Failure to position the parts in accor- dance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. The Seasonal Oak Log Set is a reversible log set. This means that the two bottom logs may be turned to face either direction. The top log, however, must remain in the same position. Do not modify log
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OPERATING HEATER (MANUALLY CONTROLLED MODELS) 17 For Your Safety Read Before Lighting 17 Lighting Instructions OPERATING HEATER Manually-Controlled Models Note: Home owners generally prefer to operate their heater FOR YOUR SAFETY READ with the chimney damper closed. This will put all the heat into BEFORE LIGHTING the room. However, there may be times you will desire the full flames of the HI heat setting but will find the heat output WARNING: If you do not follow these instructions excessive. Y
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OPERATING HEATER (MANUALLY CONTROLLED MODELS) Lighting Instructions (Cont.) 18 Variable Control Operation To Turn Off Gas To Appliance Manual Lighting Procedure OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS) For Your Safety Read Before Lighting OPERATING HEATER Continued 6. With control knob pressed in, press and release ignitor but- MANUAL LIGHTING PROCEDURE ton. This will light pilot. The pilot is attached to the burner. If needed, keep pressing ignitor button until pilot lights. 1. Fo
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LO Pilot OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS) 19 Lighting Instructions 19 OPERATING HEATER Continued 6. With control knob pressed in, press and release ignitor but- LIGHTING INSTRUCTIONS ton. This will light pilot. The pilot is attached to the front burner. If needed, keep pressing ignitor button until pilot lights. WARNING: Note: If pilot does not stay lit, contact a qualified service • If fireplace has glass doors, never operate this person or gas supplier for repairs. Until
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OPERATING HEATER (THERMOSTATICALLY-CONTROLLED MODELS) Thermostat Control Operation 20 Manual Lighting Procedure INSPECTING BURNERS CLEANING AND MAINTENANCE OPERATING HEATER Continued BURNER PRIMARY AIR HOLES THERMOSTAT CONTROL OPERATION Air is drawn into the burner through the holes in the fitting at the The thermostat control knob can be set to any comfort level entrance to the burner. These holes may become blocked with dust between HI and LO. The thermostat will gradually modulate or lint. Pe
