Design Dynamics VTD-18N-PDG User's Manual
Contents
1. OPERATING HEATER W FOR YOUR SAFETY RE AD BEFORE LIGHTING AX WARNING Keep flue open when operating unit A WARNING If you do not fol low these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life 2 Open main gas valve located on or near gas as acne pas oF pen propane LE A This appliance has a pilot which must be PPY m lighted by hand When lighting the pilot 3 Make sure control knob of heater is in the OFF follow these instructions exactly ee B BEFORE LIGHTING smell all around the 4 r De from TE aN appliance area for gas Be sure to smell next ics Siar ve see TEUS APPIY to the floor because some gas is heavier than FAPI an leak Ne to all joints air and will settle on the floor ubbles forming show a leak WHAT TO DO IF YOU SMELL GAS 3 Correct all leaks at ones e Do not try to light any appliance 6 Light heater see Operating Heater Check D y h 1 J iad h d all other internal joints for leaks onor pa Ee nai a a cease use any phone in your building 7 Turn off heater see To Turn Off Gas to Appli Immediately call your gas supplier from ance page 10 a neighbor s phone Follow the gas Equipment Shutoff Valve supplier s instructions A If you cannot reach your gas supplier call YY the fire department Gas Meter C Use only your hand to push in or turn the A oe gas2. Log Set Ceramic Burner and Ramp Pan are Ordered as an Assembly Air Shutter Installation Note For Natural Gas Fully Closed For Propane LP Gas Fully Open 7 Installed in BTB Models Only 20 www desatech com 111826 02J PARTS LIST This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 19 of this manual NO PART NO DESCRIPTION 1 111808 01 Grate Assembly 2 111794 03 _ Valve Bracket Assembly 111794 04 Valve Bracket Assembly 3 112789 01 Log Assembly 112790 01 Log Assembly 4 111800 01 Screw 111800 01 Screw 5 112372 02 Venturi Shutter Assembly 1 6 112370 01 Gasket E a A E E 7 112371 03 Orifice 1 112371 04 Orifice 1 8 111807 01 Valve NG 1 111807 02 Valve LP 1 9 116791 01 Valve Bracket 1 10 111435 01 Electronic Ignitor q 11 103784 01 Control Knob Extension 1 12 103784 02 Control Knob Extension 1 13 099998 01 Fan Switch 1 14 112806 01 Remote Control Assembly 1 15 112806 02 Remote Receiver Bracket Sees 16 111817 02 Flextube 3 16 ie aoe ae ee 17 111828 01 Compression Nut Sleeve ice Gok OSE Ge a 18 112376 01 Pilot 1 103778 01 Pilot 1 19 111796 02 Pilot Shield Zrno 1 20 111816 01 Screw jejejeje 4 PARTS AVAILABLE NOT SHOWN mem 100563 01 Warning Plate SNEH 103877 01 Lighting Instruction Plate e 1 100639 01 Caution Decal IE 1 GA6060 Lava Rock soe 1 111288 02
3. MstalatiO Mese 6 Operating Heater ceceeeeeseeeeeeeeteeeeeeeeteees 10 inspecting BUNMELS cessczcesceeseressceeeccepseesezescte 13 Cleaning and Maintenance 14 Specification S ss reies ces gee satezedicdadesdeteseees Wiring Diagram Troubleshooting Service Hints Technical Service Replacement Parts ACCESSO ES shaan reee is eeen aeii SAFETY INFORMATION WARNING Improper in stallation adjustment al teration service or main tenance can cause in jury or property damage Refer to this manual for correct installation and operational procedures For assistance or addi tional information con sult a qualified installer service agency or the gas supplier This appliance may be in stalled in an aftermarket permanently located manufactured mobile home where not prohib ited by local codes 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 Aftermarket Completion of sale not for purpose of resale from the manufacturer 2 www desatech com WARNING This appli ance is for installation only in a solid fuel burn ing masonry or UL127 factory built fireplace constructed of noncom bustible material and connected to a working flue See page 6 for mini mum flue opening WARNING This is a gas fired heater It uses air oxygen from the room in whi
4. di 2 Control knob not fully pressed in Control knob not pressed in long enough Safety interlock system has been triggered 1 2 Press in control knob fully After ODS pilot lights keep control knob pressed in 30 seconds Wait one minute for safety in terlock system to reset Repeat ignition operation 4 Equipment shutoff valve not 4 Fully open equipment shutoff fully open valve 5 Pilot flame not touching ther 5 A Contact local natural or mocouple which allows ther propane LP gas company mocouple to cool causing pilot flame to go out This B Clean ODS pilot see problem could be caused by Cleaning and Maintenance one or both of the following page 14 or replace ODS pilot A Low gas pressure assembly B Dirty or partially clogged ODS pilot 6 Thermocouple connection 6 Hand tighten until snug then loose at control valve tighten 1 4 turn more 7 Thermocouple damaged 7 Replace pilot assembly 8 Control valve damaged 8 Replace control valve Burner does not light after ODS 1 Inlet gas pressure is too low 1 Contact local natural or pro pilot is lit pane LP gas company 2 Burner orifice clogged 2 Clean burner see Cleaning and Maintenance page 14 or replace burner orifice 3 Remote selector in OFF 3 Put remote selector in ON position position 4 Wire disconnected from gas 4 See Wiring Diagram page 14 control Delayed ignition of burner 1 Manifold pressure is too low 1 Contact local
5. UL127 factory built fireplace with a working flue and constructed of noncombustible material The fireplace must include a working flue and venting system with minimum openings shown in Figure 3 LOG SIZING REQUIREMENTS Minimum Firebox Size Min Log Front Rear Flue Size Height Depth Width Width size 18 17 14 24 20 8 24 17 14 28 22 8 Measured at 14 depth Figure 3 Sizes and Clearances CHECK GAS TYPE Use the correct gas type natural or propane LP for your unit If your gas supply is not correct do not install heater Call dealer where you bought heater for proper type heater AX WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted VENTING SPECIFICATIONS FOR INSTALLATION The fireplace chimney flue and vent must be draft ing properly To check vent for proper drafting Light a tightly rolled newspaper on one end and place it at the inside front edge of fireplace Ob serve smoke and be sure vent is properly drawing it up the chimney If smoke spills out into the room extinguish flame and remove any obstruction until proper venting is achieved The chimney flue damper must be fixed open to provide a minimum of 43 square inches of free air opening during operation of this log set A multipurpose damper clamp is provided to fix the damper in position 6 www desatech com 111826 02J INS
6. and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 7 IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to the appliance Propane LP Yy Supply Tank External Regulator Vent Pointing Down iN rescuers SeS Figure 6 External Regulator With Vent Pointing Down CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap To Gas Control Natural Gas From Gas Meter 5 W C to 10 5 W C Pressure Propane LP Gas From External Regulator 11 W C to 14 W C wre Cap Pipe Tee Nipple Joint Approved Flexible Gas Hose if allowed by local codes 3 Minimum r ale st Sediment Trap Figure 7 Gas Connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 25 Minimum inlet pressure for purpose of input adjustment 8 www desatech com 111826 02J INSTALLATION Continued Check your building codes for any special re quirements for locating equipment shutoff valve to fireplaces Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves AX WARNING Use pipe joint sealant that is resistant to liquid petrole
7. control knob Never use tools If the GY knob will not push in or turn by hand don t GY try to repair it call a qualified service tech fora E nician or gas supplier Force or attempted egdi J cs repair may result in a fire or explosion Be bleh Valve Location p Do not use this appliance if any part has Figure 9 Checking Gas Joints for been under water Immediately call a Natural Gas qualified service technician to inspect the Propane LP appliance and to replace any part of the sun Tank Equipment Shutoff Valve control system and any gas control which has been under water Control Valve a Location Figure 10 Checking Gas Joints for Propane LP Gas 10 www desatech com 111826 02J OPERATING HEATER STOP Read the safety information on 5 Wait five 5 minutes to clear out any gas Continued Then smell for gas including near the floor 1 RI G LIGHTING If you smell gas STOP Follow B in the safety information page10 If you don t INSTRUCTIONS smell gas go to the next step NOTICE During initial operation 6 Press in and turn control knob counter of new heater burning logs will clockwise N to the PILOT position k Press in control knob for five 5 seconds give off a paper burning smell see Figure 11 Orange flame will also be pres Note You may be running this heater for ent Open damper or window to the first time after hooking up to gas sup vent smell This will only last a
8. equipment shutoff valve is fully Wa AX CAUTION Do not try to ad just heating levels by using the 3 Set selector switch in the OFF position equipment shutoff valve 4 Turn motor knob clockwise A to the OFF position Control Knob al Ignitor Button Selector Switch v AUTO OFF ON Flame Adjustment Knob AX WARNING Burners will come on automatically within one minute when the selector switch is in the ON position after the pilot is lit Figure 11 Control Knob and Ignitor Button Locations 111826 02J www desatech com 11 OPERATING HEATER Continued AX WARNING Make sure selec tor switch is in to OFF position when you are away from home for long periods of time Appli ance will come on automatically with selector switch in the ON OPTIONAL HAND HELD REMOTE CONTROL OPERATION After lighting let pilot flame burn for about one minute Turn control knob to ON position Adjust flame adjustment knob anywhere between HI and LO Set toggle selector switch to AUTO Slide remote selector switch to REMOTE position see Figure 13 Note The burner may light if position Propane LP Natural Figure 12 Pilot Remote Shown ia TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1 Turn control knob clockwise to the OFF position 2a Set selector switch in the OFF position 2b If Using Optional Hand Held Remote Set sele
9. natural or pro pane LP gas company 2 Burner orifice clogged 2 Clean burner see Cleaning and Maintenance page 14 or replace burner orifice Burner backfiring during com 1 Burner orifice is clogged or 1 Clean burner see Cleaning bustion damaged and Maintenance page 14 or replace burner orifice 2 Damaged burner 2 Replace damaged burner 3 Gas regulator defective 3 Replace gas regulator www desatech com 111826 02J TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Orange flame in burner during 1 Not enough air 1 Check burner for dirt and burner combustion debris If found clean burner see Cleaning and Mainte nance page 14 2 Gas regulator defective 2 Replace gas regulator Slight smoke or odor duringinitial 1 Residues from manufacturing 1 Problem will stop after a few operation processes and logs curing hours of operation Heater producesawhistlingnoise 1 Turning control knob to HI 1 Turn control knob to LO when burner is lit position when burner is cold position and let warm up for a minute 2 Air in gas line 2 Operate burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Air passageways on heater 3 Observe minimum installation blocked clearances see pages 6 4 Dirty or partially clogged 4 Clean burner see Cleaning burner orifice and Maintenance page 14 or replace burner orifice White powder residue forming 1 When
10. x gna on IC GAS LOG VENTED DECORATIVE APPLIANCE OWNER S OPERATION AND INSTALLATION MANUAL VTD 18N PDG VTD 18P PDG VTD 18N BTB VTD 18P BTB VTD 24N PDG VTD 24P PDG VTD 24N BTB VTD 24P BTB We recommend that our LA 4 products be installed and S serviced by professionals who S are certified in the U S by NFI le National Fireplace Institute INSTITUT cauaa www nficertified org WARNING If the information in this manual is not fol lowed 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 TABLE OF CONTENTS Safety INfOnMAtlOM ssiri escerai iania 2 Local Cod sS ii ss Product Identification Unpacking Product Feature Sietse a Optional Remote Control Accessories
11. 1 19 111796 02 Pilot Shield 202020202 4 20 111816 01 Screw jeje e e 4 EEE PARTS AVAILABLE NOT SHOWN me 100563 01 Warning Plate Sannan 103877 01 Lighting Instruction Plate Rae ale oa ok 1 100639 01 Caution Decal E 1 GA6060 Lava Rock E 1 111288 02 Gas Flex Line 18 2 i 112363 01 Log Scrap Kit 1 esll 1 112364 01 Log Scrap Kit 2 E S i 111826 02J www desatech com 23 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implied LIMITED WARRANTY VENTED GAS LOG HEATERS DESA warrants this product to be free from defects in materials and components for four 4 years from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Au thorized Service Center Warranty part s MUST be obtained through authorized dealers of th
12. ATIONS Models VTD 18N PDG and VTD 18N BTB e Input Rating 37 000 54 000 Btu Hr e Fuel Natural Gas e Ignition Electronic e Manifold Pressure 3 5 W C e Inlet Gas Pressure in of water Max 10 5 Min 5 0 e Shipping Weight 32 Ibs Models VTD 18P PDG and VTD 18P BTB e Input Rating 30 000 46 000 Btu Hr e Fuel Propane LP Gas e Ignition Electronic e Manifold Pressure 10 W C e Inlet Gas Pressure in of water Max 14 Min 11 e Shipping Weight 32 lbs Models VTD 24N PDG and VTD 24N BTB e Input Rating 41 000 58 000 Btu Hr e Fuel Natural Gas e Ignition Electronic e Manifold Pressure 3 5 W C e Inlet Gas Pressure in of water Max 10 5 Min 5 0 e Shipping Weight 34 Ibs Models VTD 24P PDG and VTD 24P BTB Input Rating 41 000 58 000 Btu Hr e Fuel Propane LP Gas e Ignition Electronic e Manifold Pressure 10 W C e Inlet Gas Pressure in of water Max 14 Min 11 e Shipping Weight 34 lbs For purpose of input adjustment WIRING DIAGRAM 14 www desatech com 111826 02J TROUBLESHOOTING A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater A 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 POSSIBLE CAUSE OBSERVED PROBLEM REMEDY When ignitor but
13. Gas Flex Line 18 gt o 1 112363 01 Log Scrap Kit 1 ie bei os q1 112364 01 Log Scrap Kit 2 So ooo 1 111826 02J www desatech com 21 ILLUSTRATED PARTS BREAKDOWN MODELS VTD 24N PDG VTD 24P PDG VTD 24N BTB AND VTD 24P BTB Log Set Ceramic Burner and Ramp Pan are Ordered as an Assembly Air Shutter Installation Note For Natural Gas Fully Closed For Propane LP Gas Fully Open Installed in BTB Models Only 22 www desatech com 111826 02J PARTS LIST This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 19 of this manual KEY NO PART NO DESCRIPTION 1 111793 01 Grate Assembly 2 111794 01 Gas Train Assembly 111794 05 Gas Train Assembly 3 112359 01 Log Assembly 112360 01 Log Assembly 4 111800 01 Screw 111800 01 Screw 5 112372 01 _Venturi Shutter Assembly pel Qe 1 6 112370 01 Gasket ie er 1 7 112371 01 Orifice 1 112371 02 Orifice Do Oe 4 8 111807 01 Valve an 1 111807 02 Valve 1 9 116791 01 Valve Bracket s 1 10 111435 01 Electronic Ignitor K e 1 11 103784 01 Control Knob Extension E Of 4 12 103784 02 Control Knob Extension e 1 13 099998 01 Fan Switch al 14 112806 01 Remote Control Assembly 1 15 112806 02 Remote Receiver Bracket oOo J 1 16 111817 02 Flextube 3 16 pel 1 17 111828 01 Compression Nut Sleeve E 1 18 112376 01 Pilot K 1 103778 01 Pilot o pei
14. TALLATION Continued The minimum flue sizes shown in Figure 3 page 6 are based on a 6 chimney height using round pipe Your minimum flue size will vary based on input rate and chimney height Refer to the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 6 6 for details INSTALLING DAMPER CLAMP Secure damper stop clamp to edge of damper as shown in Figure 4 I for any reason this clamp doesn t work on your fireplace another suitable clamp or permanent stop must be installed or damper blade must be removed Damper mf Clamp Damper U A Damper NN N SEE Masonry Fireplace Manufactured Fireplace Figure 4 Attaching Damper Clamp INSTALLING HEATER ASSEMBLY CAUTION Donotremove the data plates attached to the heater base assembly The data plates contain important warranty and safety information A WARNING If installing in a sunken fireplace special care is needed You must raise the fireplace floor to allow access to heater control panel This will in sure adequate air flow and guard against sooting and controls be ing damaged Raise fireplace floor with noncombustible material Make sure material is secure AX CAUTION Do not pick up heater assembly by the logs This could damage heater Only han dle base assembly by grates IMPORTANT Make sure appliance is level If heater is not level heater will not work properly Install
15. WARNING Before installing in a solid fuel burning fireplace the chimney flue and firebox must be cleaned of soot creosote ashes and loose paintby a qualified chim ney cleaner Creosote will ignite if highly heated A dirty chimney flue may create and distribute soot within the house Inspect chimney and firebox flue for damage If damaged repair flue and firebox before operating heater AX WARNING Installation ser vice and repair of this appliance must be performed by a qualified installer service agency compa ny or gas supplier experienced with this type of gas appliance Only factory authorized compo nents listed in these instructions may be used in accordance with manufacturer s instructions and all codes and requirements of the authority having jurisdiction Any modifications to this kit or use of unauthorized compo nents or accessory items will void manufacturer s warranty and may result in a hazardous condition INSTALLATION AND CLEARANCES Figure 2 shows technical information regarding installation of your gas log set Please make sure all specifications shown are applicable before installation is attempted SPECIFICATIONS W C FUEL INLET MANIFOLD PRESSURE PRESSURE Min Max NG Ta 10 5 3 5 LP 11 14 10 Figure 2 Technical Information Chart Flue Opening Specifications Note This vented appliance must be installed only in a solid fuel burning or
16. accessory keep se lector switch in the OFF position to prevent children from turning on burners with remote www desatech com SAFETY INFORMATION Continued You must operate this heater with a fireplace doors or screen in place and fully closed Un less provided by other means screens shall have openings for introduction of combustion air Keep the appliance area clear and free from combustible ma terials gasoline and other flam mable vapors and liquids 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 Do not place propane LP supply tank s in side any structure Locate propane LP supply tank s outdoors propane LP units only If you smell gas e shut off gas supply e do not try to light any appliance e do not touch any electrical switch do not use any phone in your building e immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions eif you cannot reach your gas supplier call the fire department Never install log set e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 42 from the front tip or sides of the log set ein high traffic areas e in windy or drafty areas Before installing in a solid fuel burning fireplace the chimney flue and firebox must be cleaned of soot creosote a
17. ages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For information about this warranty write DESA 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 111826 02 Rev J NOT A UPC 05 06
18. and let cool before servicing or repairing Make sure the selector switch is in the OFF position Only a qualified service per son should install service or repair heater To prevent performance problems do not use propane LP fuel tank of less than 100 Ib capacity propane LP units only The installation and provisions for combus tion and ventilation air must conform with the National Fuel Gas Codes ANSI Z233 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation Provide adequate clearances around air openings 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 1 NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 Note Where listed vented decorative logs are required thermostat operation www desatech com 111826 02J PRODUCT IDENTIFICATION Electronic Log Set Assembly Ignitor Control Knob Adjustment Knob Selector Switch Hand Held Remote ay Remote Control Receiver BTB Models Log Set Electronic Ignitor Control Knob Selector Switch Flame Chassis Adjustment Assembly Knob PDG Models Figure 1 Product Identification UNPACKING caution Do notremove the data plates from the grate as sembly The data
19. appliance off see To Turn Off Gas to Ap pliance page 12 e see Troubleshooting page 15 Yellow Flames with Orange Figure 16 Correct Burner Flame Pattern Dark Orange Figure 17 Incorrect Burner Flame Pattern 111826 02J www desatech com 13 CLEANING AND MAINTENANCE A WARNING Turn off heater and let cool before cleaning A CAUTION You must keep control areas burner and circulat ing air passageways of fireplace clean Inspect these areas of fireplace before each use Have fireplace and chimney inspected yearly by a qualified service per son Fireplace may need more frequent cleaning due to exces sive lint from carpeting bedding material pet hair etc Only limited cleaning will be required under normal use of this appliance Dust front grate and top of receiver valve Do not use cleaning fluids to clean logs or any other part of the appliance If after a period of use the flames start to exhibit unusual shapes and behavior or burner fails to ignite smoothly burner holes may require cleaning If this happens we recommend you contact your nearest authorized service technician to get the appliance serviced e Keep area around log set clean and clear of de bris e Periodically inspect burner for foreign matter blocking air inlet and flame holes e Once every year a qualified agency or certified chimney sweep should examine and clean venting system of fireplace SPECIFIC
20. ation Items Needed control cover kit provided with heater approved flexible gas hose provided if al lowed by local codes sealant resistant to propane LP gas not provided pipe wrench Note Install optional remote control accessories see Accessories page 19 before installing gas log heater 1 Apply pipe joint sealant lightly to male threads of gas fitting not provided Connect approved flexible gas hose to inlet side of gas control see Figure 5 IMPORTANT Hold gas fitting with wrench when connecting flexible gas hose Position heater assembly in fireplace Connect to gas supply See Connecting to Gas Supply Flexible Gas Hose if allowed by local codes Gas Control Figure 5 Attaching Flexible Gas Hose to Heater Gas Regulator CONNECTING TO GAS SUPPLY AX WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the pressure regulator Ay WARNING A qualified ser vice person must connect heater to gas supply Follow all local codes 111826 02J www desatech com 7 INSTALLATION Continued A CAUTION Never connect propane LP fireplace directly to the propane LP supply This heater requires an external regu lator not supplied Install the external regulator between the heater and propane LP supply AX WARNING Never connect natural gas fireplace to private non utility gas wells This gas is commonly known as w
21. ch it is installed Provi sions for adequate com bustion and ventilation air must be provided Refer to the National Fuel Gas Codes ANSI Z233 1 NFPA 54 Section 5 3 Air for Com bustion and Ventilation State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts 111826 02J SAFETY INFORMATION Continued 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 A WARNING Keep flue open when operating unit IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with head aches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Natural and Propane LP Gas Natural and pro pane LP gases are od
22. ctor switch in the OFF position to prevent draining battery Shutting Off Burner Only pilot stays lit You may shut off the burners and keep the pilot lit by doing one of the following 1 2 3 1 Turn control knob clockwise A to the PILOT position Use remote control manual OFF button Set selector switch in the OFF position MANUAL LIGHTING PROCEDURE Follow steps 1 through 6 under Lighting Instructions page 16 Depress control knob and light pilot with match Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 9 through 11 Lighting Instructions page 17 hand held remote was on when selector switch was last turned off You can now turn the burner on and off with the hand held remote control unit IMPORTANT Do not leave the selector switch in the REMOTE or ON position when the pilot is not lit This will drain the battery 2 Press ON OFF button to turn burners on and off When turning burners off the pilot will remain lit IMPORTANT Be sure to press ON OFF buttons on hand held remote control unit for up to 3 seconds to assure proper operation Remote Selector Control Knob Switch y Flame Ignitor Adjustment Selector Switch Button Knob in AUTO Position Figure 13 Control Knob and Ignitor Button Locations for Remote Control Remote Control Specifications Batteries See instructio
23. ellhead gas Installation Items Needed Before installing heater make sure you have the items listed below e external regulator for propane LP units only supplied by installer e piping check local codes e sealant resistant to propane LP gas e equipment shutoff valve e test gauge connection e sediment trap e tee joint e pipe wrench e approved flexible gas line with gas connector if allowed by local codes provided ACSA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 19 For propane LP units the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 of water If you do not reduce incoming gas pres sure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 6 Pointing the vent down protects it from freezing rain or sleet AXcauTION Use only new black iron orsteel pipe Internally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 diameter or greater to allow proper gas volume to heater If pipe is too small undue loss of volume will occur Installation must include an equipment shutoff valve union
24. f gas pipe where equipment shutoff valve was connected 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 natural gas or using compressed air Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Reconnect heater and equipment shutoff valve to gas supply Check reconnected fit tings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 2 Close equipment shutoff valve see Figure 8 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 natural gas or using compressed air Equipment m Open Shutoff Valve T Closed Figure 8 Equipment Shutoff Valve 111826 02J www desatech com 9 4 INSTALLATION Continued Check all joints from gas meter to equipment shutoff valve for natural gas or propane LP sup ply to equipment shutoff valve for propane LP see Figure 9 or 10 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once PRESSURE TESTING HEATER GAS CONNECTIONS i Open equipment shutoff valve see Figure 8 page 9
25. heated vapors from 1 Turn heater off when using within burner box or on adjacent furniture polish wax carpet furniture polish wax carpet walls or furniture cleaners etc turn into white cleaners or similar products powder residue Remote does not function 1 Battery is not installed Battery 1 Replace batteries in receiver power is low and remote control Heater produces a clicking tick 1 Metal expanding while heating 1 This is common with most ing noise just after burners are lit or shut off or contracting while cooling heaters If noise is excessive contact qualified service person 111826 02J www desatech com TROUBLESHOOTING Continued e Shut off gas suppl building y A WARNING If you smell gas e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your e Immediately call your gas supplier from a neighbor s phone Fol low the gas supplier s instructions e If you cannot reach your gas supplier call the fire department IMPORTANT Operating heater where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors These odors will disappear over time POSSIBLE CAUSE OBSERVED PROBLEM REMEDY Heater produces unwanted odors L Heater burning vapors from paint hair
26. is product and or DESA who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND DESA S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on dam
27. ns with remote for removing and installing batteries Transmitter requires 12V A 23 and 3V button cell for LCD both included Remote receiver requires 4 AA 1 5V alkaline batteries included Operating Frequency 303 875 MHz www desatech com 111826 02J INSPECTING BURNERS Check pilot flame pattern and burner flame pat terns often PILOT FLAME PATTERN Figure 14 shows a correct pilot flame pattern Figure 15 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the thermocouple When the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 15 e turn heater off see To Turn Off Gas to Appli ance page 12 e see Troubleshooting page 15 Note The pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color Pilot Burner Thermocouple Thermocouple Figure 14 Correct Pilot Flame Pattern Your Pilot May Differ from Pilots Shown Pilot Burner Thermocouple Thermocouple Figure 15 Incorrect Pilot Flame Pattern Your Pilot May Differ from Pilots Shown BURNER FLAME PATTERN Figure 16 shows correct burner flame pattern NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles are burned by heater causing brief patches of orange flame If burner flame pattern is incorrect as shown in Figure 17 e turn
28. ontact your local propane LP or natural gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA s Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your appliance ready You can also visit DESA s technical services web site at www desatech com REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA s Technical Service Department at 1 866 672 6040 When calling DESA have ready e your name e your address e model and serial numbers of your appliance e how appliance was malfunctioning e type of gas used propane LP or natural gas e purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA at 1 866 672 6040 for referral infor mation When calling DESA have ready e model number of your appliance e the replacement part number ACCESSORIES Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA at 1 866 672 6040 for referral information You can also write to the addre
29. orless An odor making agent is added to these gases The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all warn ings Keep this manual for reference It is your guide to safe and proper operation of this heater A WARNING Any change to this heater or its controls can be dangerous 111826 02J AX WARNING Do not use a blower insert heat exchanger insert or other accessory not ap proved for use with this heater WARNING Do notallow fans to blow directly into the heater Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting AX WARNING Do not place log scraps or lava rocks on burner Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects on the heater Heater base assembly becomes very hot when running heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shutdown Allow surface to cool before touching Carefully supervise young chil dren when they are in the room with heater When using the hand held remote
30. plates contain important warranty and safety information 1 Remove log set assembly from carton Note Do not pick up assembly by logs This could damage heater Always handle assembly by grate Remove control cover floor media components 3 Remove all protective packaging applied to log set for shipment 3 Check all items for any shipping damage If damaged promptly inform dealer where you bought heater PRODUCT FEATURES OPERATION This unitized gas log set is tested and approved to ANSI Z21 60a and CSA 2 26a 2000 as a vented decorative appliance SAFETY DEVICE This heater has a pilot with an Oxygen Deple tion Sensing ODS safety shutoff system The ODS pilot shuts off the heater if there is not enough fresh air ELECTRONIC IGNITION SYSTEM This system has an electronic ignitor This system requires no matches or other sources to light heater Receiver requires 4 AA batteries included hand held remote control requires a 12 volt battery and a 3 volt button cell battery for the LCD display both included OPTIONAL REMOTE CONTROL ACCESSORIES There are two optional remote accessories available for the PDG log set models that come standard with the BTB log set models e wall switch e hand held ON OFF remote See Accessories page 19 111826 02J www desatech com 5 INSTALLATION AX WARNING Make sure the selector switch is in the OFF po sition before installing heater A
31. ply If so the control knob may need to be few hours pressed in for 30 seconds or more This will allow air to bleed from the gas system 7 With control knob pressed in press ignitor A WARNING Damper handle button This will light pilot The pilot is at will be hot if appliance has been tached to the front burner If needed keep running pressing ignitor button until pilot lights Note If pilot does not stay lit contact a A CAUTION A mild gas flash qualified service person or gas supplier for ithin 10 seconds is normal repairs Until repairs are made light pilot wi with match To light pilot with match see during shutdown of this heater Manual Lighting Procedure Remain clear of the hearth area 8 Keep control knob pressed in for 30 seconds for the entire shutdown process after lighting pilot After 30 seconds release to avoid possible injury control knob e If control knob does not pop out when NOTICE Du ring initial operation released contact a qualified service person of new heater metallic compo Were PEEN for a eed nents may emit an odor as paint onal a a A and assembly compou nds are 9 Slightly push in and turn control knob coun heated and cure Be sure to pro terclockwise to the ON position vide adeq uate fresh air if odors 10 Wait one minute and switch selector switch are detected to the ON position to light burners 11 Set flame adjustment knob to any level between HI and LO page 10 2 Make sure
32. shes and loose paint by a qualified chimney cleaner Creosote will ignite if highly heated Inspect chimney flue for damage If damaged repair flue before operating heater Do not burn solid fuel in the fireplace after installing the log set Do not use this log set to cook food or burn paper or other objects This log set is designed to be smokeless If logs ever appear to smoke turn off appliance and call a qualified service person Note During initial operation slight smoking could occur due to log curing and burning of manufacturing residues You may wish to add more ventilation by opening a window 10 11 12 14 15 16 To reduce the creation of soot follow the instructions in Cleaning and Maintenance page 14 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture Do not run heater e where flammable liquids or vapors are used or stored e under dusty conditions Do not use heater if any part has been exposed to or under water Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water Do not operate heater if any log is broken Do not operate heater if a log is chipped dime sized or larger Turn heater off
33. spray glues clean ers chemicals new carpet etc See IMPORTANT state ment above 1 Open flue to maximum Stop using odor causing products while heater is running 2 Low fuel supply propane LP 2 Refill supply tank propane LP only only 3 Gas leak See Warning 3 Locate and correct all leaks statement at top of page see Checking Gas Connec tions page 9 Heater shuts off in use ODS 1 Not enough fresh air is avail 1 Open window and or door for operates able ventilation 2 Low line pressure 2 Contact local natural or pro pane LP gas company 3 ODS pilot is partially 3 CleanODS pilot see Cleaning clogged and Maintenance page 14 Gasodorevenwhencontrolknob 1 Gas leak See Warning 1 Locate and correct all leaks is in OFF position statement at top of page see Checking Gas Connec tions page 9 2 Control valve or gas control 2 Replace control valve or gas defective control Gas odor during combustion 1 Foreign matter between con 1 Take apart gas tubing and trol valve and burner remove foreign matter 2 Gas leak See Warning 2 Locate and correct all leaks statement at top of page see Checking Gas Connec tions page 9 www desatech com 111826 02J SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit e burners will have delayed ignition e heater will not produce specified heat e propane LP gas supply may be low You may feel your gas pressure is too low If so c
34. ss listed on the back page of this manual EQUIPMENT SHUTOFF VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe RECEIVER AND HAND HELD REMOTE CONTROL KIT 112806 01 Not Shown For PDG models Allows the gas log heater to be turned on and off by using a hand held remote control This remote comes installed in BTB models REMOTE CONTROL RECEIVER BRACKET 112806 02 Not Shown For PDG models only Used for mounting remote control receiver to unit base WALL MOUNT ON OFF SWITCH GWMS2 Not Shown For all models Allows the gas log heater to be turned on and off with a wall switch This switch is included with al models DAMPER CLAMP GA6080 Not Shown For all models Permanently opens chimney flue damper for vented operation This is included with all models LAVA ROCK GA6060 Not Shown For all models Order when additional rock is desired 1 8 Ib bag CLEANING KIT GCK Not Shown For all models Your vent free gas appliance re quires regular cleaning and maintenance to prevent performance problems This kit gives you the tools and instructions to make it easy to clean all critical areas of your appliance INFORMATION VIDEO 108917 01 For all models A care and maintenance video is available by calling 1 866 672 6040 111826 02J www desatech com 19 ILLUSTRATED PARTS BREAKDOWN MODELS VTD 18N PDG VTD 18P PDG VTD 18N BTB AND VTD 18P BTB
35. ton is pressed 1 there is no spark at ODS pilot Ignitor electrode not connected to ignitor cable Ignitor cable pinched or wet Electronic ignitor battery is weak Broken ignitor cable Bad electronic ignitor Ignitor electrode positioned wrong or broken if 2 Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Replace battery Replace ignitor cable Replace electronic ignitor Replace pilot assembly When ignitor button is pressed 1 there is spark at ODS pilot but Gas supply turned off or equip ment shutoff valve closed Turn on gas supply or open equipment shutoff valve no ignition 2 Control knob not in PILOT 2 Turn control knob to PILOT position position 3 Control knob not pressed in 3 Press in control knob while in while in PILOT position PILOT position 4 Air in gas lines when in 4 Continue holding down stalled control knob Repeat ig niting operation until air is removed 5 Depleted gas supply propane 5 Contact local propane LP gas LP only company 6 ODS pilot is clogged 6 Clean ODS pilot see Cleaning and Maintenance page 14 or replace ODS pilot assembly 7 Gas regulator setting is not 7 Replace gas regulator correct 111826 02J www desatech com 15 OBSERVED PROBLEM Continued POSSIBLE CAUSE TROUBLESHOOTING REMEDY ODS pilot lights but flame goes out when control knob is re leased
36. um LP gas We recommend that you install a sediment trap in supply line as shown in Figure 7 page 8 Locate sediment trap where it is within reach for clean ing Install in piping system between fuel supply and heater Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly A CAUTION Avoid damage to gas control Hold gas control with wrench when connecting it to gas piping and or fittings CHECKING GAS CONNECTIONS WARNING Testall gas piping and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once AX WARNING Never use an open flame to check for a leak Apply a noncorrosive leak detec tion fluid to all joints Bubbles forming show a leak Correct all leaks at once A CAUTION Make sure exter nal regulator has been installed between propane LP supply and heater See guidelines un der Connecting to Gas Supply page 7 PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 Disconnect appliance with its appliance main gas valve control valve and equipment shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage heater regulator Cap off open end o
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