Desa VF-18N-BTB User's Manual
Contents
1. o Ignitor Button Remote Control Figure 18 Control Knob and Ignitor Button Location Remote Ready Controlled 8 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 page 19 9 Slightly push in and turn control knob counterclockwise K N to the ON position 10 Wait one minute and switch selector switch to the ON po sition to light burners Note AUTO is only functional when using GWMT1 or GWMS2 optional accessories 11 Set flame adjustment knob to any level between HI and LO A CAUTION Do not try to adjust heating levels by using the equipment shutoff valve AA WARNING Make sure the selector switch is in the OFF position when you are away from home for long periods of time Heater will come on automatically with selector switch in the ON position E more information visit www desatech com 111826 01 Ignitor Ignitor Electrode Electrode Figure 19 Pilot Propane LP BE TOTURN OFF GAS TO APPLIANCE JM Shutting Off Heater 1 Turn control knob clockwise Z to the OFF po sition Figure 31 Pilot Natural 2a Set selector switch in the OFF position 2b If Using Optional Hand Held Remote Set selector switch in the OFF position2. 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 VENT FREE GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for four 4 years and five 5 years on stainless steel burners 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 Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA International 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
3. Continued MANTEL CLEARANCES Inaddition to meeting noncombustible material clearances youmust also meet required clearances between fireplace opening and mantel shelf If you do not meet the clearances listed below you will need a hood Determining Minimum Mantel Clearance If you meet minimum clearance between mantel shelf and top of fireplace opening a hood is not required see Figure 6 Determining Minimum Mantel Clearance When Using a Hood If minimum clearances in Figure 6 are not met you must have a hood When using a hood there are still certain minimum mantel clearances required Follow minimum clearances shown in Figure 7 when using hood NOTICE Surface temperatures of adjacent walls and mantels become hot during operation Walls and man tels above the firebox may become hot to the touch If installed properly these temperatures meet the re quirement of the national product standard Follow all minimum clearances shown in this manual NOTICE If your installation does not meet the min imum clearances shown you must do one of the following operate the logs only with the flue damper open raise the mantel to an acceptable height remove the mantel FLOOR CLEARANCES A If installing appliance on the floor level you must maintain the minimum distance of 14 to combustibles see Figure 8 B If combustible materials are less than 14 to the fireplace you must install appliance at least 5
4. Option O 3 SS Figure 2 Ventilation Air from Inside Building LEE Ventilated Outlet i Ai Attic Outlet Air i To Attic E To Crawl ES E Inlet Air I Ventilated Inlet Air Crawl Space Figure 3 Ventilation Air from Outdoors For more information visit www desatech com 111826 01 INSTALLATION Check Gas Type Installation and Clearances for Vent Free Operation INSTALLATION NOTICE This heater is intended for use as supple menial heat Use this heater along with your primary heating system Do not install this heater as your pri mary heat source If you have a central heating system you may run system s circulating blower while using heater This will help circulate the heat throughout the house In the event of a power outage you can use this heater as your primary heat source AX WARNING A qualified service person must install heater Follow all local codes NOTICE State or local codes may only allow operation of this appliance in a vented configuration Check your state or local codes AA WARNING Make sure the selector switch is in the OFF position before installing heater A WARNING Before installing in a solid fuel burn ing fireplace the chimney flue and firebox must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner Creosote will ignite if highly heated A dirty chimne
5. INSTALLATION Continued A WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the pres sure regulator AR WARNING A qualified service person must con nect heater to gas supply Follow all local codes A CAUTION Never connect propane LP fireplace directly to the propane LP supply This heater requires an external regulator not supplied Install the ex ternal regulator between the heater and propane LP supply AA WARNING Never connect natural gas fireplace to private non utility gas wells This gas is commonly known as wellhead gas Installation Items Needed Before installing heater make sure you have the items listed be low external regulator supplied by installer piping check local codes sealant resistant to propane LP gas equipment shutoff valve test gauge connection sediment trap tee joint pipe wrench approved flexible gas line with gas connector if allowed by local codes provided A CSA 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 27 For propane LP units the installer must supply an external regu lator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not redu
6. Natural and propane LP gases are odorless An odor making agent is added to the gas 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 warnings Keep this manual for reference It is your guide to safe and proper operation of this heater A WARNING Any changeto this heater orits controls can be dangerous A WARNING Do not use a blower insert heat ex changer insert or other accessory not approved for use with this heater A WARNING Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting 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 run ning 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 children when they are in the room with heater When using the hand held remote accessory Remote Ready Models Only keep selector switchinthe
7. above the combustible flooring see Figure 9 For more information visit www desatech com 111826 01 Mantel Shelf 10 a 7 Underside of 8 Mantel Shelf 6 2 lo All minimum distances are in inches Minimum Non A neq Log Set Sene 12 fast 20 22 24 24 Models 8 14 17 19 20 18 Model Top of Fireplace o M v y Opening Minimum Non Distances to Combustible Underside of Material Height Mantel Mantel Shelf Figure 6 Minimum Mantel Clearances Without Using Hood Underside of Minimum Non Combustible Material T Mantel Shelf All minimum distances are in inches Log Set 20 18 24 Models lt Top of Fireplace Hood GA6050 GA6052 or GA6052 Distances to Underside of Mantel Combustible 14 Material Min Non Combustible Opening Figure 7 Minimum Mantel Clearances When Using Hood Hearth d Min Combustible Material Material Figure 8 Minimum Fireplace Figure 9 Minimum Fireplace Clearances If Installed at Floor Clearances Above Level Combustible Flooring DESA INSTALLATION Installing Damper Clamp Accessory for Vented Operation Installing Heater Assembly INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note When used as a vented decorative appliance must be installed only in a solid fu
8. 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 conirol Hold gas control with wrench when connecting it to gas piping and or fittings External Regulator Propane LP Supply Tank wo po yodo pe ER Po sol 2 O Vent Pointing Down Figure 12 External Regulator With Vent Pointing Down DESA INSTALLATION Connecting To Gas Supply INSTALLATION Continued CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap PROPANE LP From External Approved Flexible Regulator Gas Hose if allowed 11 W C to 14 W C Pressure by local codes NATURAL From Gas Meter 5 W C to 10 5 W C Gas Control Pressure Pipe Cap Tee Nipple Joint Sediment Trap Figure 13 Gas Connection Remote Ready Models Only Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 27 Minimum inlet pressure for purpose of input adjustment dA WARNING Test all gas piping and connections for leaks after installing or servicing Correct all leaks at once AA WARNING Never use an open flame to check for a leak Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak Corr
9. Desi n X Innovation on Fire Dyn mics UNVENTED VENT FREE GAS LOG HEATER OWNER S OPERATION AND INSTALLATION MANUAL For more information visit www desatech com VF 24N PDG VF 24P PDG VF 18N PDG VF 18P PDG VF 24N BTB VF 24P BTB VF 18N BTB VF 18P BTB Design Dynamics Ventfree Models Also Design Certified As Vented Decorative Appliances WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage per sonal 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 e 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 sup plier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING Improper installation adjust ment alteration service or maintenance can cause injury or property damage Refer to this manual for correct installation and operational procedures For assistance or additional information consult a quali fied installer service agency or the gas supplier WARNING This appliance is for instal lation only in a solid f
10. OFF position to prevent children from turning on burners with remote You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater Keep the appliance area clear and free from com bustible materials gasoline and other flammable vapors and liquids For more information visit www desatech com 111826 01 SAFETY INFORMATION PRODUCT IDENTIFICATION SAFETY INFORMATION Continued 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 propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors propane LP units only 3 Ifyou 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 Follow the gas supplier s instructions if you cannot reach your gas supplier call the fire depart ment 4 This heater shall not be installed in a bedroom or bathroom unless installed as a vented appliance See Installing Damper Clamp Accessory for Vented Operation page 10 5 Before installing in a solid fuel burning fireplace the chim ney flue and firebox must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner Creosote will ignite if highly
11. 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 AND FIVE 5 YEARS ON STAINLESS STEEL BURNERS FROM THE DATE OF FIRST PURCHASE AND DESA INTERNATIONAL S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL SHALL NOT BELIABLE 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 damages 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 DESA 2701 S Harbor Blvd Santa Ana CA 92704 www desatech com For information about this warranty write 111826 01 Rev A NOT A UPC 10 03 For more information visit www des
12. following pilot assembly A Low gas pressure B Dirty or partially clogged ODS 6 Hand tighten until snug then tighten pilot 1 4 turn more 6 Thermocouple connection loose at con 7 Replace pilot assembly trol valve 8 Replace control valve For more information visit www desatech com 111826 01 DESA TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY One or both burner does not light after ODS pilot is lit 1 Inlet gas pressure is too low 2 Burner orifice s clogged 1 Contact local natural or propane LP gas company Clean burner s see Cleaning and Maintenance page 19 or replace burner orifice s 3 Mislocated crossover tube 3 Contact qualified service person 4 Burner orifice s diameter is too small 4 Replace burner orifice s 5 Remote selector in OFF position Re 5 Put remote selector in ON position mote Ready Models Only 6 Wire disconnected from gas control 6 See Wiring Diagram page 24 Remote Ready Models Only Delayed ignition of burner 1 Manifold pressure is too low 1 Contact local natural or propane LP gas company 2 Burner orifice s clogged 2 Clean burner s see Cleaning and Maintenance page 19 or replace burner orifice s 3 Mislocated crossover tube 3 Contact qualified service person Burner backfiring during combustion 1 Burner orifice is clogged or damaged 1 Clean burner see Cleaning and Main tenance page 1
13. have a continuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with openings gasketed or sealed and b weather stripping has been added on openable win dows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 6 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Heater Lo cation below Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appli ances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills bet
14. heated Inspect chimney flue for damage If damaged repair flue damper before operating heater 6 If fireplace has glass doors never operate this heater with glass doors closed If you operate heater with doors closed heat buildup inside fireplace will cause glass to burst Also if fireplace opening has vents at the bottom you must open the vents before operating heater 7 To prevent the creation of soot follow the instructions in Clean ing and Maintenance page 18 8 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these prod ucts may create a white powder residue within burner box or on adjacent walls and furniture 9 This heater needs fresh outside air ventilation to run properly This heater has an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the heater if enough fresh air is not available See Air for Combustion and Ventilation pages 4 through 6 If heater keeps shutting off see Trouble shooting pages 19 through 21 10 Do not run heater where flammable liquids or vapors are used or stored under dusty conditions 11 Do not use this heater to cook food or burn paper or other ob jects 12 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 1
15. 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 Turn control knob clockwise X to the PILOT po sition 2 Useremote control manual OFF button 3 Setselector switch in the OFF position BN MANUAL LIGHTING PROCEDURE EMI 1 Follow steps 1 through 6 under Lighting Instructions page 19 2 Depress control knob and light pilot with match 3 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 column 1 MI REMOTE CONTROL OPERATION JB Remote Control Operation GHRC Series Operation 1 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 Slide the selector switch to the REMOTE position Note The burners may light if hand held remote ON button was on when selector switch was last turned off You can now turn the burners on and off with the hand held remote control unit DESA OPERATING HEATER REMOTE READY MODELS Lighting Instructions Cont To Turn Gas Off To Appliance Manual Lighting Procedure Optional Remote Operation OPERATING HEATER Continued IMPORTANT Do not leave the selector switch in the RE MOTE or ON position when the pilot is not lit This will drain the battery 2 Press the ON OFF bu
16. was on Sale O Energy Savings High Efficiency O Construction Project O Other 11 How did you learn about this product brand O Advertising O Relative or Friend O Store Display O Other 12 Level of Education of Purchaser O Some High School O Completed High School O Completed College O Completed Graduate School 13 Age of Purchaser O Under 20 O20 29 O30 39 O40 49 O50 59 O 60 or Over 14 Buyer s total annual household income O Under 15 000 O 15 000 to 19 999 O 20 000 to 34 999 O 35 000 to 49 999 O 50 000 to 74 999 O 75 000 to 99 999 O 100 000 and Over 15 Store where product was purchased Name City State 16 In choosing this product how important were the following Not Important Somewhat Important Very Important Availability O O O Price O O O Brand Name O O O Overall Quality O O O Heat Output O O O Made in USA O O O Warranty O O O Local Service O O O Value for Price O O O Prior Brand Experience O O O Controls Location O O O Thermostat Remote or Manual Operation O O O Ease of Operation O O O Special Features O O O Salesperson s Recommendation O O O Friend Relative s Recommendation O O O Portability O O O Quiet Operation O O O Postage Required DESA 2701 S Harbor Blvd Santa Ana CA 92704 www desatech com NOTES NOTES For more information visit www desatech co m 111826 01 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased
17. 3 Do not operate heater if any log is broken Do not operate heater if a log is chipped dime sized or larger For more information visit www desatech com 111826 01 14 Turn heater off and let cool before servicing installing or repairing Make sure the selector switch is in the OFF position Remote Ready Models Only Only a qualified service person should install service or repair heater 15 Make sure the selector switch is in the OFF position when you are away from home for long periods of time Remote Ready Models Only 16 Remote Ready heaters do not to be connected to any external electrical source 17 Operating heater above elevations of 4 500 feet may cause pilot outage 18 To prevent performance problems do not use propane LP fuel tank of less than 100 lb capacity propane LP units only 19 Provide adequate clearances around air openings PRODUCT IDENTIFICATION Log Set y Lava Rock sm um E lt gt Sy E Piezo Control Knobs pe gr Ignitor Log Scraps Chassis Assembly REMOTE READY MODELS Log Set y Lava Rock gua m ies iz Ignitor EO amc A uS Remote Log Scraps Control Reciever Control Knobs Chassis Assembly REMOTE CONTROLLED MODELS Figure 1 Product Identification DESA OPTIONAL REMOTE CONTROL ACCESSORIES LOCAL CODES UNPACKING PRODUCT FEATURES AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation OPTIONAL REMOTE CONTROL ACCE
18. 9 or replace burner orifice 2 Damaged burner 2 Replace damaged burner 3 Gas regulator defective 3 Replace gas regulator Orange flame in burner during burner 1 Not enough air 1 Check burner s for dirt and debris If combustion found clean burner s see Cleaning and Maintenance page 19 2 Gas regulator defective 2 Replace gas regulator Slight smoke or odor during initial op 1 Residues from manufacturing processes 1 Problem will stop after a few hours of eration and logs curing operation 1 Turning control knob to HI position 1 Turn control knob to LO position and let Heater produces a whistling noise when when burners are cold warm up for a minute burners are lit 2 Airin gas line 2 Operate burners until air is removed from line Have gas line checked by lo cal natural or propane LP gas company 3 Air passageways on heater blocked 3 Observe minimum installation clear ances see pages 7 through 9 4 Dirty or partially clogged burner 4 Clean burners see Cleaning and Main orifice s tenance page 19 or replace burner orifice s White powder residue forming withinburner 1 When heated vapors from furniture pol 1 Turn heater off when using furniture box or on adjacent walls or furniture ish wax carpet cleaners etc turn into polish wax carpet cleaners or similar white powder residue products Moisture condensation noticed on win 1 Not enough combustion ventilation air 1 Refer to Air for Combustion and Ven
19. 9 111804 01 111804 02 111804 01 111804 02 BURNER 1 10 111819 01 111819 02 111819 01 111819 02 ORIFICE 1 11 111807 01 111807 02 111807 01 111807 02 VALVE 1 12 111796 01 111796 01 111796 01 111796 01 BRACKET VALVE 1 13 097159 04 097159 04 097159 04 097159 04 PIEZO IGNITOR 1 14 103784 01 103784 01 103784 01 103784 01 CONTROL KNOB EXT 1 15 103784 02 103784 02 103784 02 103784 02 CONTROL KNOB EXT 1 16 099998 01 099998 01 099998 01 099998 01 SWITCH 1 17 O GHRCB GHRCB REMOTE CONTROL ASSY 1 18 a 111839 01 111839 01 BRACKET REMOTE 1 19 111817 02 111817 02 111817 02 111817 02 FLEXTUBE 3 16 1 20 111796 02 111796 02 mem SHIELD PILOT 1 21 103779 01 103778 01 103779 01 103778 01 PILOT 1 22 111828 01 111828 01 111828 01 111828 01 COMPRESSION NUT SLEEVE 1 23 111803 03 111803 03 mm AIR SHUTTER 1 24 111824 01 111824 01 111824 01 111824 01 COMPRESSION NUT SLEEVE 1 25 111816 01 111816 01 111816 01 111816 01 SCREW 4 26 111802 01 111802 01 111827 01 111827 01 LOG ASSEMBLY 1 PARTS AVAILABLE NOT SHOWN 100563 01 100563 01 100563 01 100563 01 WARNING PLATE 1 103877 01 103877 01 103877 01 103877 01 LIGHTING INSTRUCTION 1 100565 01 100565 01 100565 01 100565 01 WARNING PLATE FASTENER 1 100639 01 100639 01 100639 01 100639 01 CAUTION DECAL 1 GA6060 GA6060 GA6060 GA6060 LAVA ROCK 1 111288 02 111288 02 111288 02 111288 02 GAS LINE FLEX 18 1 For more information visit www desatech con 111826 01 ACCESSORIES 27 ACCESSOR
20. G VF 18P PDG VF 18N BTB VF 18P BTB ILLUSTRATED PARTS BREAKDOWN REMOTE READY MODELS AND REMOTE CONTROLLED MODELS VF 24N PDG VF 24N BTB VF 24P PDG VF 24P BTB 2 Log sets and mounting plates are ordered as an assembly GTA Replacement Part Numbers Model Number GTA Part number VF 24N PDG 111794 01 VF 24N BTB VF 24P PDG 111794 02 VF 24P BTB AS is A p REMOTE MODELS ONLY For more information visit www desatech com DES A 111826 01 PARTS LIST Manual and Remote Ready Models VF 24N PDG VF 24P PDG VF 24N BTB VF 24P BTB VF 18N PDG VF 18P PDG VF 18N BTB VF 18P BTB PARTS LIST This list contains replaceable parts used in your heater When order ing parts follow the instructions listed under Replacement Parts on page 24 of this manual PART NUMBER FOR ae DESCRIPTION QTY VF 24N PDG VF 24P PDG VF 24N BTB VF 24P BTB 1 111793 01 111793 01 111793 01 111793 01 GRATE ASSEMBLY 1 2 see table see table see table see table GTA Gas Train Assembly 1 page 24 page 24 page 24 page 24 3 0 000 111836 01 111836 01 Battery 2 4 111803 02 111803 02 111803 02 111803 02 BRACKET BURNER RIGHT 1 5 111803 01 111803 01 111803 01 111803 01 BRACKET BURNER LEFT 1 6 111800 01 111800 01 111800 01 111800 01 SCREW 15 PDG 19 BTB 7 111817 01 111817 01 111817 01 111817 01 FLEXTUBE 3 8 1 8 14396 14396 14396 14396 ADAPTER 1
21. GALE CODES cette is 4 SERVICE BINIES 5 t deceteaet lada 23 UNPAGHKIIN S exa ee eec id 4 TECHNICAL SERVICE eterna carnes 23 PRODUCT FEATURES suicidar 4 REPLACEMENT PARTS 22 ccseccoseccoseccossccseccceerccsececseeccerecs 23 AIR FOR COMBUSTION AND VENTILATION 4 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 25 INSTALLATION eos casi deco cete a te ce ev ex eoe der sexo ptt 7 ACCESSORIES cuidat diendo 27 OPERATING HEATER cocinada 14 WARRANTY INFORMATION enn Back Cover INSPECTING BURNERS a 17 CLEANING AND MAINTENANCE eene 18 SAFETY INFORMATION A WARNINGS IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or ser vice this heater Improper use of this heater can cause serious injury or death from burns fire explosion elec trical shock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches 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
22. IES Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA International at 1 866 672 6040 for referral information You can also write to the address 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 FIREPLACE HOOD Black GA6050 Brass GA6052 Antique Brass GA6053 For all models Helps deflect heat away from mantel or wall above fireplace Fits openings 28 to 48 wide RECEIVER AND HAND HELD THERMOSTAT REMOTE CONTROL KIT GHRCTA For all Remote Ready Models Allows the gas log heater to be operated in a manually or thermostatically controlled mode You can turn the gas log heater on and off without ever leaving the comfort of your easy chair RECEIVER AND HAND HELD REMOTE CONTROL KIT GHRC For all Remote Ready Models Allows the gas log heater to be turned on and off by using a hand held remote control For more information visit www desatech com 111826 01 WALL MOUNT THERMOSTAT SWITCH GWMT1 Not Shown For all Remote Ready Models The desired comfort setting can be selected on the wall thermostat and the log heater will automatically cycle from pilot to the heat setting selected WALL MOUNT ON OFF SWITCH GWMS2 Not Shown For all Remote Ready Models Allows the gas log heater to be turned on and off with a wall switch VENT FREE
23. LOGMATE FIREBOXES Not Shown Available in 32 36 and 42 models Circulating fireboxes feature louvers and an optional blower Non circulating smooth face models are ideal for custom trim applications such as stone or marble FB32C CIRCULATING FB32NC NON CIRCULATING SERIES Not Shown For 18 and 24 models FB36CA FB42C SERIES CIRCULATING FB36NCA FB42NC SERIES NON CIRCULATING Not Shown For all models DAMPER CLAMP GA6080 Not Shown For Remote Ready and Variable Manually Controlled Models Permanently opens chimney flue damper for vented operation 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 requires 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 call DESA OWNER S REGISTRATION FORM In order to provide better customer service for this and future purchases we recommend that you register your product with us You can register online at www desatech com If access to our website is not available to you please complete this Owner s Registration Form and mail to the address on the back of this owner s manual Please provide the following prod
24. ON AND VENTILATION Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two permanent openings one within 12 of the ceil ing and one within 12 of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent Ventilation Grills Ventilation Grills Into Adjoining Or Into Adjoining Room Room Remove Option 2 Option 1 Door into Adjoining Room
25. SSORIES There are four optional remote controls that can be purchased separately for Remote Ready Models Only hand held ON OFF remote hand held thermostat remote wall switch wall thermostat See Accessories page 27 The wall thermostat or hand held thermostat may not be used where vented decorative listing is required LOCAL CODES Install and use heater with care Follow all local codes In the absence of local codes use the latest 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 is not permitted UNPACKING A CAUTION Do not remove the data plates from the grate assembly The data 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 the unit Always handle assembly by grate Remove control cover floor media components 3 Remove all protective packaging applied to log set for ship ment 4 Check all items for any shipping damage If damaged promptly inform dealer where you bought heater PRODUCT FEATURES OPERATION This heater is clean burning It requires no outside venting There is no heat loss out a vent or up a chimne
26. atech com DES A 111826 01
27. ater _ 33 000 Btu Hr Total _ 73 000 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 actual amount of Btu Hr used Example 51 200 Btu Hr maximum the space can support 73 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building page 6 B Ventroom directly to the outdoors See Ventilation Air From Outdoors page 6 C Install a lower Btu Hr heater if lower Btu Hr size makes room uncon fined If the actual Btu Hr used is less than the maximum Btu Hr the space can sup port the space is an unconfined space You will need no additional fresh air ventilation R WARNING If the area in which the heater may be operated is smallerthanthat defined as an unconfined space or ifthe building is of unusually tight construc tion provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 or applicable local codes AIR FOR COMBUSTI
28. ay carry compressed air in a can You can use a vacuum cleaner in the blow position If using compressed air in a can please follow the directions on the can If you don t follow directions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot and primary air inlet holes on injector holder for dust and dirt see Figure 27 3 Blow air through the ports slots and holes in the burner Check the injector holder located at the end of the burner tube again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the injector holder In case any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 Clean the pilotassembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 27 With the unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available LOGS If you remove logs for cleaning refer to Installing Logs page 14 to properly replace logs Replace log s if broken or chipped dime sized or larger Injector Holder A Burner Tube Primary Air Inlet Holes F
29. ce incoming gas pressure heater regulator damage could occur Install external regulator with the vent point ing down as shown in Figure 15 Pointing the vent down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in cer tain 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 occuur For more information visit www desatech com 111826 01 CONNECTING TO GAS SUPPLY Installation must include an equipment shutoff valve union 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 13 page 12 depending on your model 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 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 AA WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas We recommend that you install a sediment trap in supply line as shown in Figure 13 page 12 depending on your model Locate sediment trap where it is within reach for cleaning Install in pip ing system between fuel supply and heater Locate sediment trap
30. closed If you operate heater with doors closed heat buildup inside fireplace will cause glass to burst Also if fireplace opening has vents at the bottom you must open the vents before operating heater e You must operate this heater with a fireplace screen in place Make surefireplace screen is closed before running heater NOTICE During initial operation of new heater burn ing logs will give off a paper burning smell Orange flame will also be present Open damper or window to vent smell This will only last a few hours Note Home owners generally prefer to operate their heater with the chimney damper closed This will put all the heat into the room However there may be times you will desire the full flames of the HI heat setting but will find the heat output excessive You can open the chimney damper if you have one fully or partially to release some of the heat AX WARNING Damper handle will be hot if heater has been running Selector Switch in OFF Position Control Knob Ignitor Button Flame Adjustment Knob Figure 17 Control Knob and Ignitor Button Location Manual Controlled 1 STOP Read the safety information starting in column 1 of this page 2 Make sure equipment shutoff valve is fully open Set selector switch in the OFF position Press in and turn control knob clockwise LEY to the OFF position see Figure 17 BO A WARNING Burners will come on aut
31. ect all leaks at once A CAUTION Make sure external regulator has been installed between propane LP supply and heater See guidelines under Connecting to Gas Supply page 11 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 CHECKING GAS CONNECTIONS 2 Cap off open end of 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 fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa I 2 4 Close equipment shutoff valve see Figure 14 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 from gas meter to equipment shutoff valve for natural gas or propane LP supply to equipment shutof
32. efore Lighting OPERATING HEATER a FOR YOUR SAFETY READ EN BEFORE LIGHTING A WARNING If you do not follow these instructions exactly afire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric 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 de partment C Useonly your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water EE LIGHTING INSTRUCTIONS HH Ad WARNING If fireplace has glass doors never operate this heater with glass doors
33. el burning fireplace with a working flue and con structed of noncombustible material If your heater is a non thermostatically controlled model you may use this heater as a vented product There are three reasons for oper ating your heater in the vented mode 1 The fireplace does not meet the clearance to combustibles requirements for vent free operation 2 State or local codes do not permit vent free operation 3 You prefer vented operation If reasons number or 2 above apply to you you must permanently open chimney flue damper You must install the damper clamp ac cessory to order see Accessories page 27 This will insure vented operation see Figure 10 The damper clamp will keep damper open Installation instructions are included with clamp accessory See chart below for minimum permanent flue opening you must provide Attach damper clamp so the minimum permanent flue opening will be maintained at all times Area of Various Standard Round Flues Diameter ins Area sq ins 5 20 sq inches 6 29 sq inches 7 39 sq inches 8 51 sq inches Chimney Minimum Permanent Height ft Flue Opening sq ins 6 to 15 39 sq inches 15 to 30 29 sq inches N Es Damper Clamp S Damper Clamp Damper Damper Damper P p a Masonry Fireplace Manufactured Fireplace Figure 10 Attaching Damper Clamp INSTALLING HEATER ASSEMBLY A WARNING If installing in a sunken fi
34. f valve for propane LP see Figure 15 page 13 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Pressure Testing Heater Gas Connections 1 2 Open equipment shutoff valve see Figure 14 Open main gas valve located on or near gas meter for natural gas or open propane LP supply tank valve Make sure control knob of heater is in the OFF position Check all joints from equipment shutoff valve to gas control see Figures 15 and 16 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Light heater see Operating Heater pages 14 through 17 Check all other internal joints for leaks Turn off heater Equipment Shutoff Valve Fosmon O pen POSITION Figure 14 Equipment Shutoff Valve For more information visit www desatech com 111826 01 INSTALLATION Connecting to Gas Supply Cont Checking Gas Connections INSTALLATION Continued Equipment Propane LP Shutoff Valve Supply Tank Thermostat Gas Valve or Control Valve Location Figure 15 Checking Gas Joints propane LP only Thermostat Gas Valve or Control Thermostat Gas Valve Location Valve or Control Valve Location Gas Meter Figure 16 Checking Gas Joints Natural Gas Only For more information visit www desatech com DES A 111826 01 OPERATING HEATER REMOTE READY MODELS For Your Safety Read B
35. ht as possible While it is good to make your home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper combustion and ventilation 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 following are excerpts from National Fuel Gas Code ANSI Z223 I NFPA 54 Section 5 3 Air for Combustion and Venti lation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 4 through 6 will help you classify your space and provide adequate ventilation Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings ofun usually tight construction you must provide additional fresh air For more information visit www desatech com 111826 01 AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation Cont Determining Fresh Air Flow for Heater Location AIR FOR COMBUSTION AND VENTILATION Continued Unusually tight construction is defined as construction where a walls and ceilings exposed to the outside atmosphere
36. igure 26 Injector Holder On Outlet Burner Tube Pilot Air Inlet Hole Pilot Air Inlet Hole Pilot Assembly O Pilot Assembly Figure 27 Pilot Inlet Air Hole Your pilot may vary from pilots shown For more information visit www desatech com 111826 01 TROUBLESHOOTING TROUBLESHOOTING Note For additional help visit DESA International s technical service web site at www desatech com Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM AX WARNING Turn off and un plug heater and let cool before servicing Only a qualified service person should service and repair POSSIBLE CAUSE A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS REMEDY When ignitor button is pressed there is no spark at ODS pilot 1 Ignitor electrode not connected to ignitor cable l Reconnect ignitor cable 2 Ignitor cable pinched or wet 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Piezo ignitor nut is loose 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel 4 Broken ignitor cable 4 Replace ignitor cable 5 Bad piezo ignitor 5 Replace piezo ignitor 6 Ignitor electrode positioned wrong or 6 Replace pilot assembly for remote ready broken units Replace ignitor electrode for vari able manually controlled units Whenignito
37. lue Flame Thermocouple Thermocouple Figure 23 Incorrect Pilot Flame Pattern Your pilot may vary from pilots shown Figure 25 Incorrect Front Burner Flame Pattern For more information visit www desatech com DES A 111826 01 CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole Logs CLEANING AND MAINTENANCE A WARNING Turn off heater and let cool before cleaning A CAUTION You must keep conirol areas burners and circulating air passageways of heater clean In spect these areas of heater before each use Have heater inspected yearly by a qualified service per son Heater may need more frequent cleaning due to excessive lint from carpeting pet hair bedding material etc CLEANING BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE The primary air inlet holes allow the proper amount of air to mix with the gas This provides a clean burning flame Keep these holes clear of dust dirt lint and pet hair Clean these air inlet holes prior to each heating season Blocked air holes will create soot We rec ommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person We also recommend that you keep the burner tube and pilotassembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center m
38. ng Noncombustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have noncombustible material behind it Noncombustible material must extend at least 8 inches up for all models If noncombus tible material is less than 12 you must install the fireplace hood accessory 24 Models Only Even if noncombustible material is more than 12 you may need the hood accessory to deflect heat away from your mantel shelf See Figure 5 and Figures 6 and 7 page 9 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Goto Installing Damper Clamp Accessory for Vented Operation page 10 Noncombustible Material Distance A 12 or more Requirements for Safe Installation Noncombustible material OK Between 8 and 12 24 Models Install fireplace hood accessory GA6050 GA6052 or GA6053 see Accessories page 36 18 Model Noncombustible mate rial OK Noncombustible material must be ex tended to at least 8 See Between 8 and 12 above If you cannot extend material you must operate heater with flue damper open Less than 8 Heat Resistant Material Figure 5 Heat Resistant Material Slate Marble Tile etc Above Fireplace For more information visit www desatech 111826 01 INSTALLATION Mantel Clearances Floor Clearances INSTALLATION
39. om the heater DESA SPECIFICATIONS SPECIFICATIONS VF 18N PDG VF 18N BTB Btu Variable 24 000 36 000 Type Gas Natural Gas Only Ignition Piezo Manifold Pressure 3 5 W C Inlet Gas Pressure in of water Maximum 10 5 W C Minimum 5 0 W C Shipping Weight 32 lbs For purpose of input adjustment VF 24N PDG VF 24N BTB 25 000 39 000 Natural Gas Only Piezo 3 5 W C 10 5 W C 5 0 W C 34 lbs VF 18P PDG VF 18P BTB Btu Variable 24 000 36 000 Type Gas Propane LP Only Ignition Piezo Manifold Pressure 8 0 W C Inlet Gas Pressure in of water Maximum 14 W C Minimum 11 W C Shipping Weight 32 lbs For purpose of input adjustment VF 24P PDG VF 24P BTB 28 000 39 000 Propane LP Only Piezo 7 9 W C 3 4 W C 14 W C 11 W C 34 lbs For more information visit www desatech com 111826 01 WIRING DIAGRAM REMOTE READY MODELS ONLY SERVICE HINTS TECHNICAL SERVICE REPLACEMENT PARTS WIRING DIAGRAM Remote Ready Models Only Thermopile SERVICE HINTS When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat propane LP gas supply may be low You may feel your gas pressure is too low If so contact your local propane LP or natural gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contac
40. omatically within one minute when the selector switch is in the ON position after the pilot is lit 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information starting in column 1 of this page If you don t smell gas go to the next step 6 Press in and turn control knob counterclockwise to the PILOT position Press in control knob for five 5 seconds see Figure 17 Note You may be running this heater for the first time after hooking up to gas supply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas system For more information visit www desatech c 111826 01 OPERATING HEATER REMOTE READY MODELS For Your Safety Read Before Lighting Cont Lighting Instructions OPERATING HEATER Continued 7 With control knob pressed in press and release ignitor but ton This will light pilot The pilot is attached to the front burner If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 20 E or TN PO y AUTO m o ON o Flame Adjustment Knob Selector Switch in OFF Position 9 oo NO 440 30 03 o
41. perature press the top arrow of the TEMP button To lower the room temperature press the bottom arrow of the TEMP button At higher settings the heater will run longer IMPORTANT This remote control has been specially engineered to take an air temperature sample every 5 5 minutes in the auto mode It will not respond immediately to the temperature setting being turned up or down IMPORTANT The hand held remote control unit must be near the heater Do not keep the hand held remote control unit too close to the heater The thermostat on the hand held remote control unit will heat up too quickly and turn the heater off 3 To turn the burner off press the AUTO ON OFF button until OFF lights The pilot will remain lit IMPORTANT To turn the pilot off manually turn the control knob on the heater to the OFF position Selector Switch in OFF Position gt EO Y O Ignitor Button AUTO OFF ON Flame Adjustment Knob Selector Toggle Switch Optional Remote Control Figure 20 Setting the Selector switch Control Knob and Flame Adjustment Knob for Remote Operation Increases Room Temperature in Shows AUTO Mode Temperature Setting Decreases Room The Log Heater con ee in will Automatically Cycle between Pilot and the Heat Setting that has been Selected Turns Burners On or Off and Allows You to Choose the Auto Setting Figure 21 Thermostat Hand Held Remote Control Uni
42. rbuttonispressed thereisspark 1 Gas supply turned off or equipment 1 Turn on gas supply or open equipment at ODS pilot but no ignition shutoff valve closed shutoff valve 2 Control knob not in PILOT position 2 Turn control knob to PILOT position 3 Control knob not pressed in while in 3 Press in control knob while in PILOT PILOT position position 4 Airin gas lines when installed 4 Continue holding down control knob Repeat igniting operation until air is removed 5 Depleted gas supply propane LP 5 Contact local propane LP gas company only 6 Clean ODS pilot see Cleaning and 6 ODS pilot is clogged Maintenance page 18 or replace ODS pilot assembly 7 Gas regulator setting is not correct 7 Replace gas regulator ODS pilot lights but flame goes out when 1 Control knob not fully pressed in 1 Press in control knob fully control knob is released 2 Control knob not pressed in long 2 After ODS pilot lights keep control enough knob pressed in 30 seconds 3 Wait one minute for safety interlock sys 3 Safety interlock system has been tem to reset Repeat ignition operation triggered 4 Fully open equipment shutoff valve 4 Equipment shutoff valve not fully open 5 A Contact local natural or propane LP 5 Pilot flame not touching thermocouple gas company which allows thermocouple to cool causing pilot flame to go out This prob B Clean ODS pilot see Cleaning and lem could be caused by one or both of Maintenance page 18 or replace ODS the
43. replace special care is needed You must raise the fireplace floor to allow access to heater control panel This will insure adequate air flow and guard against sooting Raise fireplace floor with noncombustible material Make sure material is secure A CAUTION Do not pick up heater assembly by logs This could damage unit Only handle assembly by grates IMPORTANT Make sure the heater burners are level If heater is not level heater will not work properly Installation Items Needed control cover kit provided with heater approved flexible gas hose and fittings provided with heater Gf allowed by local codes sealant resistant to propane LP gas not provided Note Install optional GHRCTA Receiver and Hand Held Remote Control Kit see Accessories page 27 before installing gas log heater Remote Ready Models Only See installation instructions included with the kit 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 11 Position heater assembly in fireplace 3 Connect to gas supply See Connecting To Gas Supply see Figure 12 page 11 Gas Control Flexible Gas i Hose if allowed by local codes Figure 11 Attaching Flexible Gas Hose to Heater Gas Regulator For more information visit www desatech com 111826 01 INSTALLATION Installing Heater Assembly Cont
44. ropane LP for your unit If your gas supply is not correct do not install fireplace Call dealer where you bought fireplace for proper type fireplace INSTALLATION AND CLEARANCES FOR VENT FREE OPERATION A WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceil ing and adjoining wall MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size 18 24 Side Wall 16 Ceiling 42 Floor p LOG SIZING REQUIREMENTS Minimum Firebox Size Log Front Rear Size Height Depth Width Width 18 17 14 20 15 24 17 14 26 18 Measured at 14 depth DESA INSTALLATION Installation and Clearances for Vent Free Operation Cont INSTALLATION Continued Carefully follow the instructions below This will ensure safe in stallation into a masonry UL127 listed manufactured fireplace or listed vent free firebox Minimum Clearances For Side Combustible Material Side Wall and Ceiling A Clearances from the side of the fireplace cabinet to any com bustible material and wall should follow diagram in Figure 4 Example The face of a mantel bookshelf etc is made of combustible material and protrudes 3 2 from the wall This combustible material must be 4 from the side of the fireplace cabinet see Figure 4 Note When installing your gas logs into a manufactured fire box follow firebox manufacturer s in
45. structions for minimum clearances to combustible materials B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches 12 4 10 2 8 7 5 4 31 2 194 7 8 7 16 Example INCHES FIREBOX 5 16 1 2 4 6 8 INCHES Minimum 16 inches from Side Wall 10 12 14 Figure 4 Minimum Clearance for Combustible to Wall NOTICE Non thermostat controlled heaters maybe used las a vented product If so you must always run heater with chimney flue damper open If running heater with damper lopen noncombustible material above fireplace opening is not needed Go to nstalling Damper Clamp Accessory for Vented Operataion page 10 Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to If Using Mantel If not using a mantel follow the information on this page You musthave noncombustible material s above the fireplace open ing Noncombustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have noncombustible material behind it Noncombustible material must extend at least 8 up for all models If noncombustible material is less than 12 you must install the fireplace hood accessory 24 and 30 Models Only See Figure 5 for minimum clearances If Using Mantel You must have noncombustible material s above the fireplace openi
46. t Selections GHRCTA Only For more information visit www desatech com 111826 01 INSPECTING BURNERS Pilot Flame Pattern 1 7 Front Burner Flame Pattern INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often BURNER FLAME PATTERN PILOT FLAME PATTERN Figure 24 shows correct front burner flame pattern Figure 22 shows a correct pilot flame pattern Figure 23 shows an NOTICE Do not mistake orange flames with yellow incorrect pilot flame pattern The incorrect pilot flame is not touching tipping Dirt or other fine particles are burned by heater the thermocouple This will cause the thermocouple to cool When causing brief patches of orange flame the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 23 If front burner flame pattern is incorrect as shown in Figure 25 turn heater off see To Turn Off Gas to Appliance page 15 Re Mou M M mote Ready Models see Troubleshooting pages 19 through 21 see Troubleshooting pages 19 through 21 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 Pilot Burner o O a Thermocouple Thermocouple Figure 22 Correct Pilot Flame Pattern Your pilot may vary from pilots shown Pilot Burner Pilot Burner Figure 24 Correct Front Burner Flame Pattern Yellow Tipping At Top of B
47. t DESA International s Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA International s technical services web site at www desatech com For more information visit www desatech com 111826 01 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 International s Technical Service Department at 1 866 672 6040 When calling DESA International have ready your name your address model and serial numbers of your heater how heater was malfunctioning type of gas used propane LP or natural gas 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 International at 1 866 672 6040 for referral information When calling DESA International have ready model number of your heater the replacement part number DESA THIS PAGE INTENTIONALLY LEFT BLANK For more information visit www desatech com 111826 01 ILLUSTRATED PARTS BREAKDOWN Variable Manually Controlled and Remote ready Models VF 24N PDG VF 24P PDG VF 24N BTB VF 24P BTB VF 18N PD
48. ti dows lation requirements page 4 5 For more information visit www desatech com 111826 01 TROUBLESHOOTING TROUBLESHOOTING Continued building A 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 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 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 OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Remote does not function Remote Ready Models Only Battery is not installed Battery power is low l Replace 9 volt batteries in receiver and remote control Heater produces a clicking ticking noise just after burners are lit or shut off 1 Metal expanding while heating or con tracting while cooling Thisis common with most heaters If noise is excessive contact qualified service per son Heater produces unwanted odors Ww N 1 Heater burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT state ment above Lo
49. tton to turn the burners on and off When turning burners off the pilot will remain lit IMPORTANT Be sure to press the ON OFF buttons on the hand held remote control unit for up to 3 seconds to assure proper operation Note All additional remote control accessories must be pur chased separately see Accessories page 27 Follow instructions included with the remote control Thermostat Control Operation Optional GHRCTA Series Only The thermostat control set ting on the remote control unit can be set to any comfort level between WARMER and COOLER The burners will turn on and off automatically to maintain the comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heated the output of the central heating system etc For wall thermostat operation follow instruction supplied with thermostat accessory GWMT1 For wall switch operation follow instructions supplied with GWMS2 NOTICE You mustlightthe pilot before using the remote control unit See Lighting Instructions on page 14 GHRCTA Series Operation 2a Press the AUTO ON OFF button on the hand held remote control see Figure 33 The lights to the left of the button will show AUTO ON or OFF In the ON mode the burners will ignite The heater is in manual mode when ON is lit In the AUTO mode the thermostat in the hand held remote unit controls the room temperature To increase the room tem
50. uct information Brand Comfort Glow Vanguard etc Model EFP33PR VTGH33NR etc Date Purchased Note Keep receipt for warranty verification Serial Number __________________________ 7 or 9 digit number located on product or identification tag First Name Last Name Address City State Zip Country Home Phone __ E Mail Please answer the following questions to register your product with DESA 1 Where will the product be used O Living Family Room O Office Warehouse O Utility Shed Outbuilding O Garage O Bedroom O Bathroom O Other If you bought this product yourself did you plan to purchase this type of product before going into the store O Yes O No Who selected the product O Male O Female O Both 4 What is the population of your area O Under 10 000 O 10 000 to 25 000 O 25 000 to 50 000 O 50 000 to 100 000 O 100 000 to 250 000 O Over 250 000 5 What is your primary source of heat O Propane LP Gas O Fuel Oil O Wood O Natural Gas O Electric O Other 6 How was the product installed O Professional Installer O Self O Other 7 Cost of product excluding sales tax 8 Cost to install product 9 Type of store where product was purchased O Hardware O Propane Dealer O Natural Gas Utility Co O Home Center Builder s Supply O Fireplace or Hearth Shop O Farm Store O Other 10 What motivated you to buy this product O Sudden Cold Weather O Replace Older Model O D I Y Home Project O Emergency Back Up Heat O Heater
51. uel burning masonry or UL127 factory built fireplace or in an approved ventless firebox It is design certified for these installations in accor dance with ANSI Z21 11 2 Exception Do not install this appliance in a factory built fireplace that includes instructions stating it has not been tested or should not be used with unvented gas logs WARNING This is an unvented gas fired heater It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 4 of this manual This appliance may be installed in an aftermarket manufactured mobile home where not prohibited 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 Warning This product must be installed by a Licensed Plumber or Gas Fitter when installed within The Commonwealth of Massachusetts Aftermarket Completion of sale not for purpose of resale from the manufacturer Save this manual for future reference DESA TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION senorna adire 2 TROUBLESHOOTING 0 cccccccecccseccccecccsecoseccesecccseccessecers 19 PRODUCT IDENTIFICATION 3 SPEGCIFIGATION Sc msi 22 OPTIONAL REMOTE CONTROL ACCESSORIES 4 WIRING DIAGRAM eee rrenan 23 LO
52. w fuel supply propane LP only Gas leak See Warning statement at top of page Why Open window to ventilate room Stop us ing odor causing products while heater is running Refill supply tank propane LP only Locate and correct all leaks see Checking Gas Connections page 12 Heater shuts off in use ODS operates 1 Not enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogged j Open window and or door for ventilation Contact local natural or propane LP gas company Clean ODS pilot see Cleaning and Main tenance page 19 Gas odor even when control knob is in OFF position 1 Gas leak See Warning statement at top of page 2 Control valve or gas control defective Locate and correct all leaks see Checking Gas Connections page 12 Replace control valve or gas control Gas odor during combustion 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page Take apart gas tubing and remove foreign matter Locate and correct all leaks see Checking Gas Connections page 12 Log set cycles to pilot but room temperature drops to a lower than ideal level before log set comes back on 1 Hand held remote control is too close to heater Remote Ready Models Only For more information visit www desatech com 111826 01 Move hand held remote control unit farther away fr
53. ween them 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 ad joining 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 Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft volume of space cu ft volume of space For more information visit www desatech com 111826 01 Tf additional ventilation to adjoining room is supplied with grills or open ings add the volume of these rooms to the total volume of the space 2 Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maximum Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free heater Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws com bustion air from the outdoors and vents to the outdoors Example 40 000 Gas water heater Btu Hr Vent free he
54. y Heat is generated by both realistic flames and glowing coals This heater is designed for vent free operation with flue damper closed It has been tested and approved to ANSI Z21 11 2 standard for unvented heaters State and local codes in some areas prohibit the use of vent free heaters This heater may also be operated as a vented decorative ANSI Z21 60 product by opening the flue damper Non Thermostat Models Only SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater AIR FOR COMBUSTION AND VENTILATION A WARNING This heater shall not be installed in a confined space or unusually tight construction un less provisions are provided for adequate combustion and ventilation air Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insulation and new construction methods help reduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtig
55. y flue may create and distribute soot within the house Inspect chimney flue for damage If damaged repair flue damper before operating heater AR WARNING Seal any fresh air vents or ash clean out doors located on floor or wall of fireplace If not drafting may cause pilot outage or sooting Usea heat resistant sealant Do not seal chimney flue damper Ad WARNING Never install the heater in a bedroom or bathroom unless installed as a vented appliance see page 10 in a recreational vehicle where curtains furniture clothing or other flam mable objects are less than 42 inches from the front top or sides of the heater in high traffic areas in windy or drafty areas or more information visit www desatech com 111826 01 A CAUTION This heater creates warm air currents These currents move heat to wall surfaces next to heater Installing heater next to vinyl or cloth wall cov erings or operating heater where impurities such as but not limited to tobacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls or cause odors IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough venti lation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 4 through 6 CHECK GAS TYPE Use the correct gas type natural or p
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