Desa VGL18PRA User's Manual
Contents
1. On Black Off Receiver Reg Remote TPTH TH Gas Control TPTH TP Thermopile SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit 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 contact your local propane LP gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA Heating Products 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 Heating Products techni cal service 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 Heating Products Technical Service Department at 1 866 672 6040 When calling DESA Heating Products have ready e your name e your address model and serial numbers of your heater e how heater 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 they2. Din huy 1 Ignitor electrode not con nected to ignitor cable Ignitor cable pinched or wet Broken ignitor cable Bad battery Ignitor electrode broken Battery not installed battery power low or battery not installed correctly electronic ignition models only Ignitor electrode positioned wrong 1 2 Din huy Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Replace ignitor cable Replace battery Replace pilot assembly Install new alkaline battery in electronic ignitor Verify bat tery is installed correctly Replace pilot assembly When ignitor button is pressed 1 there is spark at ODS pilot but no ignition Gas supply turned off or equip ment shutoff valve closed Control knob not in PILOT position Control knob not pressed in while in PILOT position Turn on gas supply or open equipment shutoff valve Turn control knob to PILOT position Press in control knob while in PILOT position 4 Air in gas lines when in 4 Continue holding down con stalled trol knob Repeat igniting op eration until air is removed 5 Depleted gas supply pro 5 Contact local propane LP gas pane LP only company 6 ODS pilot is clogged 6 Clean ODS pilot see Cleaning and Maintenance page 23 or replace ODS pilot assembly 7 Gas regulator setting is not 7 Replace gas control correct 24 www desatech
3. nal regulator between the heater and propane LP supply AX WARNING Never connect natural gas heater to private non utility gas wells This gas is com monly known as wellhead gas Installation Items Needed Before installing heater make sure you have the items listed below 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 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 29 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 inches 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 13 Pointing the vent down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Inter nally 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 shu
4. ply 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 6 With control knob pressed in press and release electronic ignitor button This will light pilot Hold in 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 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob e 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 3 through 7 beginning on page 19 8 Slightly push in and turn control knob coun terclockwise 7 gt to the ON position 9 Set flame adjustment knob to any level between HI and LO Ay CAUTION Do not try to ad just heating levels by using the equipment shutoff valve Control Knob oj sae Electronic Flame Adjustment Knob Ignitor Button Figure 28 Control Knob and Ignitor Button Location Ignitor Electrode Propane LP Gas Ignitor Pilot Burner Electrode Natural Gas Figure 20 Pilot TO TURN OFF GAS a TO APPLIANCE Shutting Off Heater 1 Turn control knob clockwise lt to the OFF position 2a Set selector switch in the OFF position
5. Make sure there are no obstructions across opening of fireplace e You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater Figure 27 Installing Logs 5 and 6 OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING NOTICE During initial operation of new heater burning logs will give off a paper burning smell Orange flame will also be pres Ad 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 ent Open damper or window to vent smell This will only last a few hours A This appliance has a pilot which must be Note Home owners generally prefer to op lighted by hand When lighting the pilot erate their heater with the chimney damper follow these instructions exactly closed This will put all the heat into the room B BEFORE LIGHTING smell all around the However there may be times you will desire appliance area for gas Be sure to smell next the full flames of the HI heat setting but will to the floor because some gas is heavier than find the heat output excessive You can open air and will settle on the floor the chimney damper if you have one fully or WHAT TO DO IF YOU SMELL GAS partially to release some of the heat e Do not try to light any appliance Do not touch any electric switch do not A WARN
6. 2b If Using Optional Hand Held remote Set selector switch in the OFF position to keep from draining battery Shutting Off Burners 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 lt to the PILOT position 2 Use remote control manual OFF button 3 Set selector switch in the OFF position NN MANUAL LIGHTING PROCEDURE 1 Follow steps 1 through 6 under Lighting Instructions beginning on 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 step 9 under Lighting Instructions column 1 20 www desatech com 112882 01D OPERATING HEATER Continued ET OPTIONAL HAND HELD REMOTE OPERATION Note All remote control accessories must be purchased separately see Accessories pages 29 Follow instructions included with the re mote control NOTICE You must light the pilot before using the hand held re mote control unit See Lighting Instructions on page 19 After lighting let pilot flame burn for about one minute Turn control knob to ON posi tion Adjust flame adjustment knob anywhere between HI and LO Slide the selector switch to the REMOTE position see Figure 30 Note The burner may light if hand held remote was on when selector switch was last turned off You can now turn th
7. 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 INCLUD ING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND DESA HEATING PRODUCTS LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING PRODUCTS 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 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 For information about this warranty write DESA HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com NN HIN 112882 01 112882 01 Rev D NOT A UPC 08 04
8. Put remote selector in ON position See Wiring Diagram page 28 Delayed ignition burner Manifold pressure is too low Burner orifice clogged Contact local natural or pro pane LP gas company Clean burner see Cleaning and Maintenance page 23 or replace burner orifice Burner backfiring during com bustion Burner orifice is clogged or damaged Damaged burner Gas regulator defective Clean burner see Cleaning and Maintenance page 23 or replace burner orifice Replace damaged burner Replace gas control Slight smoke or odor during initial operation Not enough air Gas regulator defective Residues from manufacturing processes and logs curing Z 3 Check burner for dirt and debris If found clean burner see Cleaning and Mainte nance page 23 Replace gas control Problem will stop after a few hours of operation 112882 01D www desatech com 25 TROUBLESHOOTING OBSERVED PROBLEM Continued POSSIBLE CAUSE REMEDY Moisture condensation noticed on windows 1 Not enough combustion ven tilation air 1 Refer to Air for Combustion and Ventilation requirements page 5 Heater produces a whistling noise when burner is lit 1 Turning control knob to HI position when burner is cold 2 Air in gas line 3 Air passageways on heater blocked 4 Dirty or partially clogged burner orifice 1 Turn control kn
9. flue before operating heater Ay WARNING Seal any fresh air vents or ash clean out doors located on floor or wall of fire place If not drafting may cause pilot outage or sooting Use a heat resistant sealant Do not seal chimney flue damper h WARNING Never install the heater e in a bedroom or bathroom unless installed as a vented appliance see page 10 e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 42 inches from the front top or sides of the heater e in high traffic areas e in windy or drafty areas 8 www desatech com 112882 01D INSTALLATION Continued AX CAUTION This heater cre ates warm air currents These currents move heat to wall sur faces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as but not limited to tobacco smoke aromatic candles cleaning flu ids oilor 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 ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 6 through 8 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 deale
10. in the OFF position to prevent children from turning on burners with remote Keep the appliance area clear and free from combustible ma terials gasoline and other flam mable vapors and liquids www desatech com 10 SAFETY INFORMATION Continued 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 To prevent performance problems the use of a propane LP fuel tank of less than 100 lb capacity is not recommended 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 e if you cannot reach your gas supplier call the fire department This heater shall not be installed in a bedroom or bathroom unless installed as a vented appli ance see Installing Damper Clamp Accessory for Vented Operation page 12 Before installing in a solid fuel burning fire place 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 chimney flue may create and d
11. solid fuel burning fireplace with a working flue and constructed of noncombustible material If you choose to use your heater as a manually controlled model no remote control installed you may use this heater as a vented product There are three reasons for operating 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 accessory to order see Accessories page 29 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 Minimum Chimney Permanent Flue Height ft Opening sq ins 6 to 15 39 sq inches 15 to 30 29 sq inches Area of Various Standard Round Flues Diameter Area inches sq inches 5 20 6 29 7 39 8 51 mf Damper ii clamp Damper QO Masonry Fireplace Manufactured Fireplace Figure 10 Attaching Damper Clamp 12 www desatech com 112882 01D INSTALLATION Continued INSTALLIN
12. 098264 02 101004 22 101004 12 101004 12 101004 13 112881 01 112881 02 111727 01 111435 01 098271 10 108631 01 103784 01 103784 02 M11084 26 M12461 26 108631 01 112908 01 112908 02 112908 04 112908 06 112908 05 112908 03 113129 01 107110 01 111711 01 098304 01 101137 02 GA6060 111780 01 101480 12 VGL24PRA VGL24NRA kk 114010 02 114010 01 111646 01 103779 01 103778 01 103781 01 103781 02 111644 01 111765 01 099918 02 099918 03 099918 02 099387 14 099387 09 099387 15 098264 02 101004 22 101004 12 101004 12 101004 13 112881 01 112881 02 111727 01 111435 01 098271 10 108631 01 103784 01 103784 02 M11084 26 M12461 26 108631 01 112908 07 112908 08 112908 10 112908 12 112908 11 112908 09 113129 01 107110 01 PART 111711 01 098304 01 101137 02 GA6060 111780 01 101480 12 Not a field replaceable part VGL30PRA VGL30NRA k 114010 02 114010 01 111646 01 103779 01 103778 01 103781 01 103781 02 111644 01 111765 01 099918 02 099918 03 099918 02 099387 14 099387 09 099387 15 098264 02 101004 22 101004 12 101004 12 101004 13 112881 01 112881 02 111727 01 111435 01 098271 10 108631 01 103784 01 103784 02 M11084 26 M12461 26 108631 01 112908 13 112908 14 112908 16 112908 18 112908 17 112908 15 113129 01 107110 01 111711 01 098304 01 101137 02 GA6060 111780 01 101480 12 Base Assembly Rear Burner NG Rear Burner Propane LP
13. DESA HEATING PRODUCTS UNVENTED VENT FREE GAS LOG HEATER OWNER S OPERATION AND INSTALLATION MANUAL We recommend that our LA A products be installed and kK serviced by professionals who E 13 are certified in the U S by NFI National Fireplace Institute enano is Ghia www nficertified org Also Design Certified As Vented Decorative Appliances When Not Used With Hand Held Thermostat Remote MODELS VGL18NRA VGL18PRA VGL24NRA VGL24PRA VGL3ONRA VGL30PRA 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 Save this manual for future reference For more information visit www desatech com WARNING Improper installation adjustment altera tion service or maintenance can cause injury or prop erty damage Refer to this manual for correct in
14. Ember Bed Burner ODS Pilot NG ODS Pilot Propane LP Gas Valve NG Gas Valve Propane LP Outlet Tube Front Burner Tube Regulator Pilot NG Only Regulator Burner NG Regulator Burner Propane LP Pilot Tube NG Pilot Tube Propane LP Pilot Tube Regulator to Valve NG Only Male Connector Injector Rear NG Injector Rear Propane LP Injector Front NG Injector Front Propane LP Pilot Bracket Propane LP Pilot Bracket NG Remote Valve Bracket Electronic Ignitor Ignitor Cable Screw PPH B 10 16 x 1 00 Extension Knob Pilot Extension Knob Hi Lo Screw HWH AB 10 16 x 38 Screw Hex SLT WSR 10 32 x 38 Screw PPH B 10 16 x 1 00 Rear Log Right Bottom Log Left Bottom Log Right Crossover Log Left Top Log Right Top Log 1 2 Pipe Strap Spacer 25 x 50 S AVAILABLE NOT SHOWN Remote Sensor Bracket Screw PPHAB 10 16 x 38 Hardware Kit Lava Rock Rockwool Embers Jumper Wire Aaa So om SB A a om a a e et ee A oe a re er o ee Ge ae Game Oe es Ge ee me ES DESCRIPTION QTY 112882 01D www desatech com 31 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 LI
15. G HEATER BASE ASSEMBLY AX CAUTION Donotremove the data plates attached to the heater base assembly The data plates contain important warranty and safety information AX WARNING You must secure this heater to fireplace floor If not heater will move when you adjust controls Moving heater may cause a gas leak 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 insure adequate air flow and guard against sooting and controls being damaged Raise fireplace floor with noncombus tible material Make sure material is secure AX CAUTION Do not pick up heater base assembly by the burner This could damage heater Only handle base as sembly by grates IMPORTANT Make sure the heater burners are level If heater is not level heater will not work properly Installation Items Needed hardware package provided with heater approved flexible gas hose not provided if allowed by local codes sealant resistant to propane LP gas not pro vided electric drill with 3 16 masonry drill bit Note Install optional remote receiver and hand held remote kit see Accessories page 29 before installing gas log heater See installation instruc tions included with the kit 1 2 ih HP Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator Con
16. ING Damper handle 13 any paone n aide will be hot if heater has been e Immediately call your gas supplier from 3 a neighbor s phone Follow the gas running s pplier s instructions A 1 STOP Read the safety information col e If you cannot reach your gas supplier call amid the fire department C Use onl ur hand to Pash anor turn the 2 Make sure equipment shutoff valve is y yo p O gas control knob Never use tools If the fully open knob will not push in or turn by hand don t 3 Press in and turn control knob clockwise try to repairit call a qualified service tech lt N to the OFF position see Figure 28 nician or gas supplier Force or attempted page 20 repair may result in a fire or explosion 4 Wait five 5 minutes to clear out any gas D Donotuse this appliance if any part has been Then smell for gas including near the floor under water Immediately call a qualified If you smell gas STOP Follow B in the service technician to inspect the appliance safety information column 1 If you don t and to replace any part of the control system smell gas go to the next step and any gas control which has been under water 112882 01D www desatech com 19 OPERATING HEATER Continued 5 Press in and turn control knob counter clockwise 7 gt to the PILOT position Press in control knob for five 5 seconds see Figure 28 Note You may be running this heater for the first time after hooking up to gas sup
17. MITED WARRANTY VENT FREE GAS LOG HEATERS DESA Heating Products 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 Heat ing Products Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA Heating Products 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
18. NSTALLING OPTIONAL REMOTE ACCESSORIES Installing Remote Receiver Remote control accessories are available sepa rately see Accessories page 29 1 Ifunitis already installed in fireplace continue with these instructions If unit has not been installed in fireplace go to step 6 and continue installation of remote accessory AX WARNING Turn off heater and let cool before handling any part of heater Make sure gas is turned of to unit Carefully remove logs and set aside 3 Locate mounting screws on sides of heater base assembly and remove screws Set screws aside for reinstallation 4 Disconnect gas line from heater base as shown in Figure 11 page 13 Ad WARNING A qualified ser vice person must connect and disconnect gas to heater Follow all local codes 5 Remove heater base from fireplace 6 Install receiver bracket to base with phillips screws provided in hardware kit as shown in Figure 18 7 Disconnect jumper wire from control valve at TPTH and TH locations see Figure 19 Remote Receiver Bracket q x Phillips Screws Figure 18 Installing Remote Receiver Bracket Control Valve Figure 19 Disconnecting Jumper Wire from Control Valve 16 www desatech com 112882 01D INSTALLATION Continued 8 Install remote receiver into receiver bracket using pads and push button clips provided with receiver see Figure 20 9 Connect wires to control valve at the T
19. PTH and TH locations as shown in Figure 21 Note Make sure excess wire does not interfere with burner or pilot 10 If heater was removed from fireplace before installation of remote accessory see Installing Heater Base Assembly on page 13 to reinstall heater into fireplace Test gas connection for leaks see Checking Gas Connections pages 15 and 16 11 If logs were removed from heater for install remote accessory replace logs see Installing Logs pages 18 and 19 9 Volt Bracket Pad Terminal Push Button Wires Clips Figure 20 Installing Remote Receiver Ae White Wire From Receiver a red Valve Red Wire From Receiver Figure 21 Connecting Wires Installing Batteries for Remote Receiver and Hand Held Remote Control Two 9 volt alkaline batteries not included are required to operate this heater with the wireless hand held remote control set One battery must be installed in the receiver and one in the hand held remote control unit Note Only use alkaline batteries Installing 9 Volt Battery in Receiver 1 Locate back of receiver behind receiver bracket mounted on base assembly 2 Locate the battery clip mounted on the back of the receiver see Figure 20 3 Slide a 9 volt battery through the clip 4 Attach the terminal wires to the battery Installing 9 Volt Battery Not Included in Hand Held Remote Control Unit 1 Remove battery cover on back of remote control unit 2 Attac
20. 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 fireplace plus any adjoining rooms with doorless pas sageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space 6 www desatech com 112882 01D AIR FOR COMBUSTION AND VENTILATION Continued Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2 560 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings 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 Maxi mum Btu Hr the space can support Example 2 560 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 fireplace 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 Di rect vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater 40 000 Btu Hr Vent free fireplace 39000 Btu Hr Total 79 000 Btu Hr 4 Com
21. agram scssi sits Ms o senini aiesieiresnanyi oireina 5 Service Hints oooooocnccncccccoccconccconannnn ed A 5 Technical Service omommm lt lt lt Remote Control Accessories 5 Replacement Parts Air For Combustion and Ventilation 6 Specifications Installation s8 A Operating heater 19 Illustrated Parts Breakdown and Parts Li Inspecting Burners 22 Warranty Information Back Cover www desatech com 112882 01D SAFETY INFORMATION ARWARNING This product con tains and or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm 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 A WARNING Do notallow 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 WARNING Donotuse ablow er insert heat exchanger insert or other accessory not approved for use with this heater AX DANGER Carbon monoxide poisoning may lead to death Due to high temperatures the appliance should be located out of traffic and away from furniture and draperi
22. ances are in inches Minimum Non Combustible A Material Log Set 12 18 20 22 24 24 Models Y Top of Fireplace Y Opening Minimum Non Distances to Combustible Underside of Material Height Mantel Figure 6 Minimum Mantel Clearances Without Using Hood Mantel Shelf 12 Underside of Mantel Shelf All minimum distances are in inches Log Set 8 12 15 18 20 lt 24 Models Min Ae rt y Top of Fireplace SF A AAA Opening Hood Distances to GA6050 GA6052 Underside of GA6053 Mantel Minimum Non gt Combustible Material Figure 7 Minimum Mantel Clearances When Using Hood 112882 01D www desatech com 11 INSTALLATION Continued 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 above the combustible flooring see Figure 9 Combustible 14 Material Min Noncombustible Material Figure 8 Minimum Fireplace Clearances If Installed at Floor Level Hearth Combustible Material 5 Min ASAI Figure 9 Minimum Fireplace Clearances Above Combustible Flooring INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note When used as a vented heater appliance must be installed only in a
23. ave no yellow or orange color Thermocouple Propane LP Gas Natural Gas Figure 33 Correct Pilot Flame Pattern Pilot Burner Thermocouple Propane LP Gas Natural Gas Figure 34 Incorrect Pilot Flame Pattern MAIN BURNER Periodically inspect all burner flame holes with the heater running All slotted burner flame holes should be open with yellow flame present All round burner flame holes should be open with a small blue flame present Some burner flame holes may become blocked by debris or rust with no flame present If so turn off heater and let cool Remove blockage blocked burner flame holes will create soot 22 www desatech com 112882 01D CLEANING AND MAINTENANCE AX WARNING Turn off heater and let cool before cleaning A CAUTION You must keep control areas burner and circu lating air passageways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a quali fied service person Heater may need more frequent cleaning due to excessive lint from carpeting bedding material pet hair etc AX WARNING Failure to keep the primary air opening s of the burner s clean may resultin sooting and property damage 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 C
24. ble 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 Example te as 5 4 W 3I 2 Y 7 8 7116 FIREBOX 5 1 2 4 6 8 10 12 14 16 INCHES Minimum 16 inches from Side Wall Figure 4 Minimum Clearance for Side Combustible Material Side Wall and Ceiling NOTICE Manual control heaters may be used as a vented product If so you must always run heater with chimney flue damper open If running heater with damper open noncombustible material above fire place opening is not needed Go to Installing Damper Clamp Accessory for Vented Operation page 12 112882 01D www desatech com INSTALLATION Continued 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 informa tion below You must have noncombustible material s above the fireplace opening 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 noncombus tible material is less than 12 you must install the fireplace hood accessory 24 and 30 models only See Figure 5 for minimum clearances IMPORTANT If you cannot meet these minimum clearance
25. c will activate the power vent eS Ventilated Outlet Attic Air Outlet Air To Attic E To Crawl Space Inlet Air Ventilated Crawl Space Figure 3 Ventilation Air from Outdoors INSTALLATION NOTICE This heateris intended for use as supplemental 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 Inlet Air NOTICE State or local codes may only allow operation of this appli ance in a vented configuration Check your state or local codes Ay WARNING A qualified ser vice person must install heater Follow all local codes AX WARNING If optional hand held remote accessory has been installed make sure the selector switch is in the OFF position before installing heater A WARNING Before installing in a solid fuel burning fireplace the chimney flue and firebox must be cleaned of soot creo sote ashes and loose paint by a qualified chimney cleaner Creo sote will ignite if highly heated A dirty chimney flue may create and distribute soot within the house Inspect chimney flue for damage If damaged repair
26. can t supply original replacement part s call DESA Heating Products at 1 866 672 6040 for referral information When calling DESA Heating Products have ready model number of your heater e the replacement part number SPECIFICATIONS VGL18PRA VGL18NRA VGL24PRA VGL24NRA VGL30PRA VGL30NRA Btu Variable 21 000 30 000 21 000 30 000 Type Gas Propane LP Natural Gas Ignition Electronic Electronic Manifold Pressure 8 0 W C 3 5 W C Inlet Gas Pressure in of water Maximum 14 10 5 Minimum 11 5 For the purpose of input adjustment 28 www desatech com 112882 01D ACCESSORIES Purchase these fireplace accessories from your lo cal dealer If they can not supply these accessories call DESA Heating Products Sales Department 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 yo A FIREPLACE HOOD Black GA6050 Brass GA6052 Antique Brass GA6053 For all models Helps deflect heat away from mantel or wall above fireplace LAVA ROCK GA6060 Not Shown For all models Order when additional rock is desired 1 8 lb bag DAMPER CLAMP GA6080 Not Shown For all models Permanently opens chimney flue damper for vented operation Can be used only with non thermostat accessories CLEANING KIT CCK Not Show
27. com 112882 01D TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS pilot lights but flame goes 1 Control knob not fully 1 Press in control knob fully out when control knob is re leased pressed in Control knob not pressed in long enough Equipment shutoff valve not fully open Pilot flame not touching thermocouple which allows thermocouple to cool caus ing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot Thermocouple connection loose at control valve Thermocouple damaged Control valve damaged 2 After ODS pilot lights keep control knob pressed in 30 seconds Fully open equipment shutoff valve A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 23 or replace ODS pilot assembly Hand tighten until snug then tighten 1 4 turn more Replace pilot assembly Replace control valve One or both burners do not light after ODS pilot is lit Inlet gas pressure is too low Burner orifice s clogged Mislocated crossover tube Remote selector in OFF position Wire disconnected from gas control Contact local natural or pro pane LP gas company Clean burner s see Cleaning and Maintenance page 23 or replace burner orifice s Contact qualified service person
28. d lava rock around base to heater if desired Do not place lava rock on logs or burner Do NOT place lava rock on or around front burner A CAUTION Placing lava rock on or around front burner will cause severe sooting Please keep ember material rock wool separate from lava rock ing logs will create soot Align two pins at rear of base with two holes in bottom of rear log 1 Place logs on pins see Figure 24 Align pin at center of base with hole in right bottom log 2 and notch in front of log to right grate finger Place log on base as shown in Figure 25 Align notch on left bottom log 3 with left grate finger and place log on base as shown in Figure 25 Align hole in bottom of log 4 with pin on base as shown in Figure 26 The end of log 4 will rest on base slightly behind log 2 Align holes in bottom of left top log 5 with pins on top of left bottom log 3 Place log on pins see Figure 27 page 19 Figure 24 Installing Log 1 www desatech com A WARNING All previously applied loose material must be removed prior to reapplication Log 3 Left Grate Finger Figure 26 Installing Log 4 112882 01D LIGHTING INSTRUCTIONS INSTALLATION Continued E ari A WARNING e If fireplace has glass doors never operate this heater with glass doors closed If you op erate heater with doors closed heat buildup inside fireplace will cause glass to burst
29. e 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 Control nob in Flame Adjustment On Position X Selector Switch in Remote Position Figure 30 Setting the Selector Switch Control Knob and Flame Adjustment Knob for Remote Operation ON OFF SERIES MODEL GHRCB Hold the control button on the hand held remote until burner turns on Hold the control button again until burner turns off see Figure 31 Control Button Turns Burners On and Off Figure 31 On Off Hand Held Remote Control Unit GHRCB TO LOCK press both buttons on hand held remote control until light stops flashing Hand held remote control is now locked If the fire is on it will be turned off automatically In the locked state the light will not light up when any button is pressed TO UNLOCK press both buttons together on hand held remote control until the light stops flashing The hand held remote is now unlocked THERMOSTAT SERIES MODEL GHRCTB The hand held remote can be operated using either the manual mode MANU or thermo static mode AUTO see Figure 32 To select Fahrenheit Centigrade mode display carefully press the C F mode button with the end of a paper clip or similar blunt object Digital Turns Hand Display Held Remote Shows On or Off and Temp
30. erature Allows You and Settings to Choose the Manual Turns Setting Burners On or Off Selects Auto Setting Decreases LOCK Room Increases Temperature Room in AUTO Temperature Mode Locks Systemto MAUTO Prevent Accidental Mode Ignition Figure 32 Thermostat Hand Held Remote Control Unit GHRCTB Manual Mode 1 Press the POWER and LOCK buttons together to turn on the hand held remote control 2 Press the MANU button to turn on the fireplace 3 Press the POWER and LOCK buttons together to turn off the fireplace Auto Thermostatic Mode 1 Press the POWER and LOCK buttons together to turn on the hand held remote control 2 Press AUTO button to select this mode 3 Set the desired room temperature by press ing the TEMP or buttons 112882 01D www desatech com 21 OPERATING HEATER Continued 4 Press the POWER and LOCK buttons together to turn off the fireplace Note Do not leave the hand held remote in the AUTO mode close to the fireplace The radiant heat from the fireplace will turn off the fireplace Ideally place the hand held remote in the center of the room facing towards the fireplace Note Do not hold the hand held remote for a long time Body temperature will affect its operation in the AUTO mode Safety Features When away from home for an extended period of time or as a child safety feature to prevent accidental ignition of the fireplace the receiver ON OFF REMOTE switch should be
31. es 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 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 warn ings Keep this manual for reference It is your guide to safe and proper operation of this heater 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 AX WARNING Any change to this heater or its controls can be dangerous 112882 01D Carefully supervise young chil dren when they are in the room with heater When using the hand held remote accessory keep se lector switch
32. es a clicking tick 1 Metal expanding while heating 1 ing noise just after burner is lit or or contracting while cooling shut off This is common with most heat ers If noise is excessive contact qualified service person Heater produces unwanted odors 1 Heater burning vapors from 1 paint hair spray glues clean ers chemicals new carpet etc See IMPORTANT state ment above 2 Gas leak See Warning 2 statement above Open window and ventilate room Stop using odor causing products while heater is running Locate and correct all leaks see Checking Gas Connec tions page 15 Heater shuts off in use ODS 1 Not enough fresh air is 1 operates available 2 Low line pressure 2 3 ODS pilot is partially 3 clogged Open window and or door for ventilation Contact local natural or pro pane LP gas company Clean ODS pilot see Cleaning and Maintenance page 23 Gas odor even when control knob 1 Gas leak See Warning 1 Locate and correct all leaks is in OFF position statement above see Checking Gas Connec tions page 15 2 Control valve defective 2 Replace control valve Gas odor during combustion 1 Foreign matter between con 1 Take apart gas tubing and trol valve and burner 2 Gas leak See Warning 2 statement above remove foreign matter Locate and correct all leaks see Checking Gas Connec tions page 15 112882 01D www desatech com 27 WIRING DIAGRAM
33. ft Top Log Left Bottom Log Electronic Ignitor Button Ember Bed Burner Optional Remote Control Knob Flame Adjustment Right Crossover Log Bottom Log Remote Sensor with Switch Control Knob Figure 1 Vent Free Gas Log Heater 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 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 AX CAUTION Donot remove the data plates attached to the heater base assembly The data plates contain important warranty and safety information 1 Remove logs and heater base assembly from carton Note Do not pick up heater base as sembly by back burner This could damage heater 2 Remove all protective packaging applied to logs and heater for shipment 3 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 chim ney Heat is generated by realistic dancing yellow flames This heater is designed for vent free opera tio
34. h terminal wires to the battery Place battery into the battery housing Battery Cover Terminal Wires y GA Remote Control Unit Battery Housing Figure 22 Installing Battery in Hand Held Remote Control Unit CGHRCB Series Remote Control Unit Terminal Wires 9 Volt Battery 7 Battery Cover Battery Housing Figure 23 Installing Battery in Hand Held Remote Control Unit CGHRCTB Series 112882 01D www desatech com 17 INSTALLATION Continued INSTALLING LOGS AX WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury Ay CAUTION After installa tion and periodically thereafter check to ensure that no flame comes in contact with any log With the heater set to HI check to see if flames contact any log If so reposition logs according to the log installation instructions in this manual Flames contact Align holes in bottom of right top log 6 with pins on top of right bottom log 2 Place log on pins see Figure 27 page 19 The effect of glowing embers can be created by placing rock wool on front burner For best effect use only the smallest amount necessary to create the glow Tear rock wool into dime size pieces and place pieces on and around front burner Do NOT place rock wool in area of pilot or rear burner Ad
35. he unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available Primary Air Inlet Holes EA Injector Holder Figure 35 Injector Holder On Outlet Burner Tube Burner Tube Pilot Assembly Holes in Burner Pilot Air Inlet Hole Figure 36 Pilot Inlet Air Hole LOGS e Ifyou remove logs for cleaning refer to Install ing Logs page 18 to properly replace logs e Replace log s if broken or chipped dime sized or larger MAIN BURNER Periodically inspect all burner flame holes with the heater running All slotted burner flame holes should be open with yellow flame present All round burner flame holes should be open with a small blue flame present Some burner flame holes may become blocked by debris or rust with no flame present If so turn off heater and let cool Remove blockage blocked burner flame holes will create soot 112882 01D www desatech com 23 TROUBLESHOOTING A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater Note All troubleshooting items are listed in order of operation POSSIBLE CAUSE OBSERVED PROBLEM A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit REMEDY When ignitor button is pressed there is no spark at ODS pilot 2
36. iment trap is not installed or is installed wrong heater may not run properly Ad CAUTION Avoid damage to regulator Hold gas regulator with wrench when connecting it to gas piping and or fittings CSA Design Certified Equipment Shutoff Valve From External With 1 8 NPT Tap Regulator Approved Flexible 11 W C Gas Hose if allowed to 14 W C by local codes Pressure gr P 3 Minimum Cap Pipe Tee Nipple Joint Gas Control Sediment Trap Figure 14 Gas Connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 29 Minimum inlet pressure for purpose of input adjustment AR WARNING Never use an open flame to check for a leak Apply a noncorrosive leak detection fluid toalljoints Bubbles forming show a leak Correct all leaks at once AX CAUTION Make sure exter nal regulator has been installed between propane LP supply and heater See guidelines under Con necting 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 2 Cap off open end of gas pipe where equipment shutoff valve was connected 3 Pressurize supply piping system by either opening
37. in the OFF position Auto Shutoff Feature 1 If the average room temperature exceeds 82 degrees Fahrenheit 28 degrees Centi grade the hand held remote control will perform a safety override and shut the fireplace off This feature is not available in the MANU mode 2 The receiver continuously receives signals from the hand held remote to control the room temperature If the hand held remote is misplaced obstructed or for any reason cannot transmit to the receiver the receiver will shut off the fireplace after 8 minutes Key Pad Lock Feature This feature allows the user to lock unlock the keypad on the hand held remote in the MANU or AUTO mode to prevent inadvertent operation i e children operating the hand held remote control etc The keypad is locked in either on or off Press the POWER and LOCK buttons together to turn the unit on or off INSPECTING BURNERS Check pilot flame pattern and burner flame pat terns often PILOT FLAME PATTERN Figure 33 shows a correct pilot flame pattern Figure 34 shows an incorrect pilot flame pattern The incorrect pilot flame is not properly heating the thermocouple When the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 34 e turn heater off see To Turn Off Gas to Appli ance page 20 e see Troubleshooting page 24 Note The pilot flame on natural gas units will have a slight curve but the flame should be blue and h
38. ir would come from an adjoining un confined space When ventilating to an adjoining unconfined space you must provide two perma nent 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 A MA Ventilation Y Grills Ventilation Grills Into Adjoining Or Into Adjoining Room Room Remave Option 2 Option 1 Option O 3 Figure 2 Ventilation Air from Inside Building 112882 01D www desatech com T AIR FOR COMBUSTION AND VENTILATION Continued 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 ceiling 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 atti
39. istribute soot within the house Inspect chimney flue for damage If damaged repair flue before operating heater Do not burn solid fuel in a masonry or UL127 factory built fireplace in which a vent free room heater is installed 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 Make sure there are no obstructions across openings of fireplace This log heater is designed to be smokeless If logs ever appear to smoke turn off heater and call a qualified service person Note During initial operation slight smoking may occur due to log curing and heater burning manufacturing residues To prevent the creation of soot follow the instructions in Cleaning and Maintenance page 23 11 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 This heater needs fresh outside air ventilation to run properly This heater has an Oxygen De pletion Sensing ODS safety shutoff system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation page 6 If heater keeps shutting off see Troubleshooting page 24 Do not run heater e where flammable liquids or vapors are used or stored e
40. lean these air inlet holes prior to each heating season Blocked air holes will create soot We recommend 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 pilot assembly 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 may carry compressed air in a can You can use a vacuum cleaner in the blow position If using com pressed 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 in rear burner for dust and dirt see Figure 35 3 Blow air through the holes in the burner 4 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 6 Incase any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot as sembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 36 With t
41. n 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 avail able by calling 1 866 672 6040 You may also email your request to productsupport desaint com RECEIVER AND HAND HELD THERMOSTAT REMOTE CONTROL KIT GHRCTB SERIES For all models Allows the gas log heater to be operated in a manually or thermostatically con trolled 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 GHRCB SERIES For all models Allows the gas log heater to be turned on and off by using a hand held remote control 112882 01D www desatech com 29 ILLUSTRATED PARTS BREAKDOWN MODELS VGL18PRA VGL18NRA VGL24PRA VGL24NRA VGL30PRA VGL30NRA 112882 01D www desatech com 30 KEY NO PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 28 of this manual PART NUMBER VGL18PRA VGL18NRA 114010 02 114010 01 111646 01 103779 01 103778 01 103781 01 103781 02 111644 01 111765 01 099918 02 099918 03 099918 02 099387 14 099387 09 099387 15
42. n with flue damper closed It has been tested and approved to ANSI Z21 11 2 standard for unvented heaters This heater may also be operated as a vented decorative ANSI Z21 60 product by opening flue damper non thermostat models only SAFETY PILOT This heater has a pilot with an Oxygen Deple tion 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 ELECTRONIC IGNITION SYSTEM This heater has an electronic ignitor This system re quires no matches or other sources to light heater REMOTE CONTROL ACCESSORIES There are two optional remote controls that can be purchased separately for this log heater hand held ON OFF remote hand held thermostat remote See Accessories page 29 The hand held thermostat may not be used where vented decorative listing is required 112882 01D www desatech com 5 AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed in a confined space or unusually tight con struction unless provisions are provided for adequate combus tion 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 owne
43. nect approved flexible gas hose to gas regulator of heater see Figure 11 Locate masonry screws in hardware package Position heater base assembly in fireplace Place logs in their proper positions on heater base Center heater base and logs front to back and side to side in fireplace Carefully remove logs without moving heater base Mark screw locations through holes in mount ing flanges see Figure 12 If installing in a brick bottom fireplace mark screw locations in mortar joint of bricks Remove heater base from fireplace Drill holes at marked locations using 3 16 masonry drill bit Attach base assembly to fireplace floor using two masonry screws in hardware package see Figure 12 Connect to gas supply See Connecting To Gas Supply page 41exible Gas Hose if allowed by local codes Figure 11 Attaching Flexible Gas Hose to Heater Masonry Mounting Flanges Figure 12 Attaching Base Assembly to Fireplace Floor 112882 01D www desatech com INSTALLATION Continued CONNECTING TO GAS SUPPLY AX WARNING This appliance requires a 1 2 NPT National Pipe Thread inlet connection to the pressure regulator A WARNING A qualified ser vice person must connect heater to gas supply Follow all local codes A CAUTION Never connect propane LP heater directly to the propane LP supply This heater requires an external regulator not supplied Install the exter
44. ob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through 12 4 Clean burner see Cleaning and Maintenance page 23 or replace burner orifice White powder residue forming within burner box or on adjacent walls or furniture 1 When heated vapors from furniture polish wax carpet cleaners etc may turn into white powder residue 1 Turn heater off when using furniture polish wax carpet cleaners or similar products Remote does not function 1 Battery is not installed Battery power is low 1 Replace 9 volt batteries in receiver and hand held remote control 26 www desatech com 112882 01D TROUBLESHOOTING Continued L WARNING If you smell gas e Shut off gas supply e Do not try to light any appliance building low the gas supplier s instructions 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 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 OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produc
45. pare 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 79 000 Btu Hr actual amount of Btu Hr used The space in the 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 ad ditional fresh air Your options are as follows A Rework worksheet adding the space of an adjoin ing 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 B Vent room directly to the outdoors See Ventila tion Air From Outdoors page 8 C Install a lower Btu Hr fireplace if lower Btu Hr size makes room unconfined If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an un confined space You will need no additional fresh air ventilation AX WARNING If the area in which the heater may be oper ated is smaller than that defined as an unconfined space or if the building is of unusually tight construction 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 VENTILATION AIR Ventilation Air From Inside Building This fresh a
46. 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 4 Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 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 Close equipment shutoff valve see Figure 15 page 16 2 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 112882 01D www desatech com 15 INSTALLATION Continued 3 Check all joints from propane LP supply tank to equipment shutoff valve for propane LP gas see Figure 16 or from gas meter to equipment shutoff valve for natural gas see Figure 17 Apply noncorrosive leak detection fluid to gas joints Bubbles forming show a leak 4 Correct all leaks at once Equipment Shutoff Valve Figure 15 Equipment Shutoff Valve Equipment Propane LP Tank Shutoff Valve i 7 Valve Location Figure 16 Checking Gas Joints Equipment Shutoff Valve Gas Meter 2 Valve Location Figure 17 Checking Gas Joints I
47. r pa sec m or less with openings gasketed or sealed and b weather stripping has been added on openable windows 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 8 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Heater Location Confined Space 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 appliances installed in that space Rooms com municating 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 between them DETERMINING FRESH AIR FLOW FOR FIREPLACE LOCATION Determining if
48. r where you bought heater for proper type heater LOG SIZING REQUIREMENTS Minimum Firebox Size Log Front Rear Size Height Depth Width Width 1824 17 13 28 21 30 Minimum Firebox Size With Blower 18 24 17 14 34 22 8 30 AX WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted INSTALLATION AND CLEARANCES Vent Free Operation Only AX WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceiling and adjoining wall MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling 18 24 30 16 42 Measured at 13 depth Carefully follow the instructions below This will ensure safe installation 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 combustible 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 combus tible material must be 4 from the side of the fireplace opening see Figure 4 Note When installing your gas logs into a manufactured firebox follow firebox manufacturer s instructions for minimum clearances to combusti
49. rs 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 airtight as possible While it is good to make your home energy effi cient 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 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three fol lowing ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 6 through 8 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 of unusually tight construction you must provide additional fresh air Unusually tight construction is defined as construction where walls and ceilings exposed to the out side atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 kg pe
50. s you must operate heater with chimney flue damper open Go to Installing Damper Clamp Accessory for Vented Operation page 12 Noncombustible Material Distance A Requirements for Safe Installation 12 or more Between 8 and 12 Less than 8 Noncombustible material okay Install fireplace hood accessory GA6050 GA6052 or GA6053 see Accessories page 29 Noncombustible material must be extended to at least 8 See Between 8 and 12 above If you cannot extend material you must operate heater with flue damper open Heat Resistant e Material A Figure 5 Heat Resistant Material Slate Marble Tile etc Above Fireplace If Using Mantel You must have noncombustible material s above the fireplace opening 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 noncombustible material is less than 12 you must install the fireplace hood accessory 24 and 30 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 on page 11 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Go to In
51. stallation and operational procedures For assistance or addi tional information consult a qualified installer service agency or the gas supplier WARNING This appliance is for installation only in a solid fuel burning masonry or UL127 factory built fireplace or in a listed ventless firebox enclosure It is design certified for these installations in accordance with ANSI Z21 11 2 Exception Do not install this appli ance ina 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 Provi sions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 6 of this manual This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indi cated on the rating plate This appliance is not convert ible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer TABLE OF CONTENTS Safety Information ccceeeeeeeeeeeeeeeeeeeeeeeteees 3 Cleaning and Maintenance cceeeeeees Product Identifications 5 Troubleshooting cceceeeeeeeeee Local CodeS nsi eerd dia 5 Wiring Di
52. stalling Damper Clamp Accessory for Vented Operation page 12 MANTEL CLEARANCES In addition to meeting noncombustible material clearances you must 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 Clearances If you meet minimum clearance between mantel shelf and top of fireplace opening a hood is not required see Figure 6 page 11 Determining Minimum Mantel Clearances When Using a Hood If minimum clearances in Figure 6 page 11 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 page 11 when using hood NOTICE Surface temperatures of adjacent walls and mantels be come hot during operation Walls and mantels above the firebox may become hot to the touch If installed properly these tem peratures meet the requirements of the national product standard Follow all minimum clearances shown in this manual 10 www desatech com 112882 01D INSTALLATION Continued NOTICE If your installation does not meet the minimum clearances shown you must do one of the following e operate the logs only with the flue damper open e raise the mantel to an acceptable height e remove the mantel Mantel Shelf Underside of Mantel Shelf A All minimum dist
53. toff 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 14 page 15 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 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 Propane LP Supply Tank External Regulator Vent Pointing Down Figure 13 External Regulator With Vent Pointing Down 14 www desatech com 112882 01D INSTALLATION Continued A WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas CHECKING GAS CONNECTIONS AR WARNING Testall gas piping and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once We recommend that you install a sediment trap in supply line as shown in Figure 14 Locate sediment trap where it is within reach for cleaning 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 sed
54. under dusty conditions Do not use this heater to cook food or burn paper or other objects 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 and let cool before servicing installing or repairing Make sure the remote selector switch is in the OFF position Only a qualified service person should install service or repair heater Make sure the remote selector switch is in the OFF position when you are away from home for long periods of time This heater must not be connected to any external electrical source Operating heater above elevations of 4 500 feet may cause pilot outage Provide adequate clearances around air openings State of Massachusetts The installa tion must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts Sellers of unvented propane or natural gas fired supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit Vent free gas products are prohibited for bedroom and bathroom installation in the Commonwealth of Massachusetts www desatech com 112882 01D PRODUCT IDENTIFICATION Rear Log Le
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