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VENTED DECORATIVE GAS LOG APPLIANCE
OWNER'S OPERATION AND INSTALLATION MANUAL
These logs are approved by the manufacturer for instal-
lation in listed indoor and outdoor solid fuel burning
fireplaces. See warranty for additional information.
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• 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 supplier's instructions.
• If you cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
MODELS
VTD-18N-TKA,
VTD-18P-TKA,
VTD-24N-TKA AND
VTD-24P-TKA
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Summary of Contents for Design Dynamics VTD-18N-TKA
- Page 1 VENTED DECORATIVE GAS LOG APPLIANCE OWNER’S OPERATION AND INSTALLATION MANUAL MODELS VTD-18N-TKA, VTD-18P-TKA, VTD-24N-TKA AND VTD-24P-TKA These logs are approved by the manufacturer for instal- lation in listed indoor and outdoor solid fuel burning fireplaces. See warranty for additional information.
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Page 2: Table Of Contents
TAbLE OF CONTENTS Safety ..............2 Specifications ............ 17 Local Codes............4 Service Hints ............. 17 Unpacking............4 Technical Service..........17 Product Identification ........... 5 Wiring Diagram ..........18 Installation ............5 Replacement Parts ..........19 Operation ............10 Accessories ............19 Cleaning and Maintenance ........ - Page 3 SAFETy Continued Log set becomes very hot when DANGER: Carbon monoxide running. Keep children and poisoning may lead to death! adults away from hot surface to Carbon Monoxide Poisoning: Early signs of avoid burns or clothing ignition. carbon monoxide poisoning resemble the flu, Log set will remain hot for a time with headaches, dizziness or nausea.
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Page 4: Local Codes
SAFETy Continued 4. Before installing in a solid fuel burning 9. Do not run log set fireplace, chimney flue and firebox must • where flammable liquids or vapors are be cleaned of soot, creosote, ashes used or stored and loose paint by a qualified chimney •... -
Page 5: Product Identification
PRODUCT IDENTIFICATION Log Set WARNING: Failure to posi- tion parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result Receiver in property damage or personal injury. Chassis Assembly Control Receiver Remote Knobs Cover Log Figure 2 - Product Identification (Ramp... - Page 6 INSTALLATION Continued Flue Opening Specifications Minimum flue sizes shown in Figure 3, page 5, are based on a 6' chimney height using round Note: This vented appliance must be installed pipe. Your minimum flue size will vary based only in a solid-fuel burning fireplace con- on input rate and chimney height.
- Page 7 INSTALLATION Continued Installation Items Needed Installation Items Needed • control cover kit (provided with appliance) Before installing log set, make sure you have items listed below. • approved flexible gas hose and fittings • external regulator (supplied by installer) (provided with appliance) (if allowed by local codes) •...
- Page 8 INSTALLATION Continued We recommend that you install a sediment CAUTION: Use only new, black trap in supply line as shown in Figure 8. Lo- cate sediment trap where it is within reach for iron or steel pipe. Internally-tinned cleaning. Install in piping system between fuel copper tubing may be used in supply and appliance.
- Page 9 INSTALLATION Continued Equipment Shutoff Valve 3. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas or opening main gas valve located on or near gas meter for Gas Meter natural gas, or using compressed air. 4.
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Page 10: Operation
OPERATION WHAT TO DO IF YOU SMELL GAS FOR YOUR SAFETY • Do not try to light any appliance. READ bEFORE LIGHTING • Do not touch any electric switch; do not use any phone in your building. WARNING: Keep flue open •... - Page 11 OPERATION Continued REMOTE OPERATION 8. Short tapping of either button allows Setting Display ( °C/24h and °F/12h) incremental change in flame height. Press and hold OFF and until display 9. Press OFF button to switch off main gas changes from °F (and 12 hour clock) to °C and pilot gas.
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Page 12: Cleaning And Maintenance
OPERATION Continued MANUAL OPERATION 8. Light pilot burner with a match, (see 2. STOP! Read safety information, page 10. Figure 15). 3. Make sure equipment shutoff valve is fully open. 9. Continue holding down metal core for about 10 seconds. Pilot should stay lit 4. -
Page 13: Inspecting Burners
INSPECTING bURNERS Check pilot flame pattern and burner flame bURNER FLAME PATTERN patterns often. Figure 18 shows correct burner flame pat- tern. PILOT FLAME PATTERN Figure 16 shows a correct pilot flame pattern. NOTICE: Do not mistake orange Figure 17 shows an incorrect pilot flame pat- flames with yellow tipping. -
Page 14: Troubleshooting
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 items are listed in order of operation. ObSERVED PRObLEM POSSIbLE CAUSE REMEDY... - Page 15 TROUbLEShOOTING Continued ObSERVED PRObLEM POSSIbLE CAUSE REMEDY Delayed ignition burner 1. Manifold pressure is too 1. Contact local natural or propane/LP gas company 2. Burner orifice(s) clogged 2. Clean burner (see Cleaning and Maintenance, page 12) or replace burner orifice Burner backfiring during 1.
- Page 16 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. Fol- low the gas supplier’s instructions.
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Page 17: Specifications
SPECIFICATIONS VTD-18N-TKA VTD-18P-TKA • Rating: 35,000/50,000 Btu/Hr • Rating: 35,000/50,000 Btu/Hr • Type Gas: Natural Gas • Type Gas: Propane/LP • Ignition: Piezo • Ignition: Piezo • Manifold Pressure: 3.5" W.C. • Manifold Pressure: 10" W.C. • Inlet Gas Pressure (in. of water): •... -
Page 18: Wiring Diagram
WIRING DIAGRAM MAN Knob Motor Knob Combination Control ON/OFF Switch (Optional) Thermocurrent Interrupter Block 8 Wire Connecting Cable Thermocurrent Cable #2 or ON/OFF Switch Soldered Cable Thermocurrent Thermocouple Cable #1 Ignition Cable Antenna Receiver SPARK SPARK ON/OFF Switch Pilot 4 AA Batteries Battery Compartment Thermocurrent Interrupter Block... -
Page 19: Replacement Parts
REPLACEMENT PARTS Note: Use only original replacement parts. Usually, we will ask you to return the part to This will protect your warranty coverage for the factory. parts replaced under warranty. PARTS NOT UNDER WARRANTY PARTS UNDER WARRANTY Contact authorized dealers of this product. If Contact authorized dealers of this product. -
Page 20: Parts
PARTS MODELS VTD-18N-TKA, VTD-18P-TKA, VTD-24N-TKA AND VTD-24P-TKA Note: Air shutter setting is 1/8" open for natural gas and full open for propane/LP gas. www.desatech.com 111826-03H... - Page 21 PARTS This list contains replaceable parts used in your heater. When ordering parts, follow instruc- tions listed under Replacement Parts on page 19 of this manual. PART NUMbER VTD-18N-TKA VTD-18P-TKA VTD-24N-TKA VTD-24P-TKA DESCRIPTION QTY. Grate Assembly 112814-03 112814-04 112814-01 112814-02 Gas Train Assembly...
- Page 22 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.desatech.com 111826-03H...
- Page 23 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 111826-03H www.desatech.com...
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Page 24: Warranty
WARRANTy KEEP ThIS WARRANTy Model (located on product or identification tag) _____________________________ Serial No. (located on product or identification tag) __________________________ Date Purchased __________________________ Keep receipt for warranty verification. DESA hEATING, LLC LIMITED WARRANTIES New Products Standard Warranty: DESA Heating, LLC warrants this new product and any parts thereof to be free from defects in material and workmanship for a period of four (4) years from the date of first purchase from an authorized dealer provided the product has been installed, maintained and operated in accordance with DESA Heating, LLC’s warnings and instructions.
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