Desa VFRMV18NA Electric Heater User Manual
Contents
1. Figure 26 Injector Holder On Outlet Burner Tube Pilot Air Inlet Hole Pilot Air Inlet Hole Pilot Assembly Figure 27 Pilot Inlet Air Hole Your pilot may vary from pilots shown For more information visit www desatecl 114745 01 TROUBLESHOOTING Note For additional help visit DESA technical service web site at www desatech com Note Alltroubleshooting items are listed in order of operation OBSERVED PROBLEM When ignitor button is pressed there is no spark at ODS pilot WARNING Turn off and un plug heater and let cool before servicing Only a qualified service person should service and repair heater POSSIBLE CAUSE 1 Ignitor electrode not connected to ignitor cable 2 Ignitor cable pinched or wet 3 Piezo ignitor nut is loose 4 Broken ignitor cable Bad piezo ignitor 6 Ignitor electrode positioned wrong or broken e TROUBLESHOOTING AX CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel 4 Replace ignitor cable Replace piezo ignitor 6 Replace pilot assembly for remote ready units Replace ignitor electrode for variable manually controlled units 9 When ignitor button is pressed the2. Em UNVENTED VENT FREE L GAS LOG HEATER ANSI Z21 11 2a 2003 ANSI Z21 60 2003 By Vanguard OWNER S OPERATION AND CSA 2 26 2003 INSTALLATION MANUAL APPROVED For more information visit www desa VFRMV18NA VFRMV18PA VFRMV24NA VFRMV24PA Vent free Models Also Design Certified As Vented Decorative Appliances WARNING If the information in this manual WARNING Improper installation ad is not followed exactly a fire or explosion justment alteration service or main may result causing property damage per tenance can cause injury or property sonal injury or loss of life damage Refer to this manual for I correct installation and operational Do not store or use gasoline or other procedures For assistance or addi flammable vapors andliquids in the vicinity tional information consult a qualified of this or any other appliance installer service agency or the gas WHAT TO DO IF YOU SMELL GAS supplier Do not try to light any appliance Do not touch any electrical switch do not WARNING This appliance is for instal use any phone in your building lation only ina solid fuel burning masonry Immediately call your gas supplier from or UL127 factory built fireplace or in an a neighbor s phone Follow the gas sup approved vent less firebox It is design plier s instructions certified for these installations in accor If yu cannotreach your gas supplier call dance with ANSI Z21 11 2 Except
3. the fireplace hood accessory 24 and 30 Models Only See Figure 5 for minimum clearances If Using Mantel You must have non combustible material s above the fireplace opening Non combustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have non combustible material behind it Non combustible material must extend at least 8 inches up for all models If non combustible material is less than 12 you must install the fireplace hood accessory 24 Models Only Even if non combustible 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 Go to Installing Damper Clamp Accessory for Vented Operation page 10 Noncombustible Requirements for Material Distance A Safe Installation 12 or more Non combustible material OK Between 8 and 12 24 Models Install fireplace hood acces sory GA6060 see Accessories page 27 18 Model Non combustible material OK Non combustible material must be extend ed 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
4. visit www desatech com Log sets and mount ing plates are ordered as an assembly 19 114745 01 PARTS LIST PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 23 of this manual PART NUMBER FOR 114860 01 111807 01 103784 01 103784 02 114795 01 114805 01 112376 01 114858 02 111817 01 114800 01 114799 04 114801 01 114802 01 098271 07 114793 01 097159 04 103284 02 114798 01 114804 01 111828 01 111824 01 099998 01 114854 01 100563 01 103877 01 100565 01 100639 01 GA6060 114745 01 114607 01 111807 02 103784 01 103784 02 114795 01 114805 01 112376 01 114797 02 111817 01 114800 01 114799 03 114801 01 114802 01 098271 07 114793 01 097159 04 103284 02 114798 01 114804 01 111828 01 111824 01 099998 01 114790 01 100563 01 103877 01 100565 01 100639 01 GA6060 more information visit www desatech com 114860 01 111807 01 103784 01 103784 02 114795 01 114805 01 114859 01 114858 02 111817 01 114800 01 114799 02 114801 01 114802 01 098271 07 114793 01 097159 04 103284 02 114798 01 114804 01 111828 01 111824 01 099998 01 114854 01 100563 01 103877 01 100565 01 100639 01 GA6060 114807 01 111807 02 103784 01 103784 02 114795 01 114805 01 114859 01 114797 02 111817 01 114800 01 114799 01 114801 01 114802 01 098271 07 114793 01 097159 04
5. 27 Follow instructions included with the remote control Thermostat Control Operation Optional GHRCTB Series Only The thermostat control setting 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 main tain 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 thermo stat accessory GWMT1 For wall switch operation follow instructions supplied with GWMS2 NOTICE You must light the pilot before using the remote control unit See Lighting Instructions on page 14 GHRCTB Series Operation 2a Press the AUTO ON OFF button on the hand held remote control see Figure 21 The lights to the left of the button will show AUTO ON or OFF Inthe ON mode the burners will ignite The heater is in manual mode when ON is lit n the AUTO mode the thermostat in the hand held remote unit controls the room temperature To increase the room tem 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 imme
6. Above Fireplace For more information visit www desatec 114745 01 INSTALLATION Mantel Clearances Floor Clearances INSTALLATION Continued 5 antelShelf MANTEL CLEARANCES In addition to meeting non combustible 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 M inim um Nen gt Com bustib le M aterial Determining Minimum Mantel Clearance Underside of M antelShelf A lm in im um distances are in inches 12 28 34 5 38 625 42 If you meet minimum clearance between mantel shelf and top of fireplace 8 opening a hood is not required see Figure 6 T p of Fireplace Opening Ini Ini M ini N D ist t Determining Minimum Mantel Clearance En 5 E When Using a Hood M aterialH eightM antel 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 be Figure 6 Minimum Mantel Clearances Without Using Hood come hotduring operation Walls and mantels above the firebox may become hot to the touch If installed properly these temperatures meet the requirement of the national product standard Follow all minimum clearances shown in this manual NOTICE If your instal
7. INTERNATIONAL 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 2701 Industrial drive Bowling Green KY 42101 www desatech com mE 7 04 NOT A UPC more information visit www desatech com DES A 114745 01
8. NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Battery march Park Quincy MA 02269 PRODUCT IDENTIFICATION Log Set Chassis Assembly 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 ACCESSORIES There are four optional remote controls that can be purchased sepa rately for Remote Ready Models Only Wall switch Hand held ON OFF remote Wall thermostat Hand held thermostat remote See Accessories page 27 The wall thermostat or hand held thermostat may not be used where vented decorative listings is required LOCAL CODES Install and use the heater wit 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 Battery march park Quincy MA 02269 Note Where listed vented decorative logs are required thermostat operations is not permitted The installation of appliances designed for manufactured home U S only or mobile home installation must conform with the Standard CAN CSA z240 MH Standard Title 24 CFR Part 3280 in the United S
9. at once Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Figure 14 2 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 page 13 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 16 Check all other internal joints for leaks T Turn off heater ON POSITION Equipment OPEN Shutoff Valve POSITION CLOSE Figure 14 Equipment Shutoff Valve For more information visit www desatecl 114745 01 INSTALLATION Checking Gas Connections Cont INSTALLATION Continued Equipment Propane LP Shutoff Valve Supply Thermostat Gas vat Valve or Control F Valve Location Figure 15 Checking Gas Joints propane LP only Thermostat Gas Valve or Control Thermostat Gas Valve Location Valve or Control Valve Location Figure 16 Checking Gas Joints Natural Gas Only For more information visit www desatech com 114745 01 DESA OPERATING HEATER REMOTE READY MODELS For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER REMOTE READY MODELS FOR YOUR SAFETY READ BEFORE LIGHTING A WARNING If you do not follow these
10. backfiring during combustion 1 Burner orifice is clogged or damaged 2 Damaged burner 3 Gas regulator defective 1 Clean burner see Cleaning and Mainte nance page 18 or replace burner orifice 2 Replace damaged burner 3 Replace gas regulator Orange flame in burner during burner com bustion Slight smoke or odor during initial operation 1 Not enough air 2 Gas regulator defective 1 Residues from manufacturing processes and logs curing 1 Check burner s for dirt and debris If found clean burner s see Cleaning and Mainte nance page 18 2 Replace gas regulator 1 Problem will stop after a few hours of opera tion Heater produces a whistling noise when burn ers are lit 1 Turning control knob to HI position when burn ers are cold 2 Air in gas line 3 Air passageways on heater blocked 4 Dirty or partially clogged burner orifice s 1 Turn control knob to LO position and let warm up for a minute 2 Operate burners until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installation clearances see pages 7 through 10 4 Clean burners see Cleaning and Mainte nance page 18 or replace burner orifice s White powder residue forming within burner box or on adjacent walls or furniture 1 When heated vapors from furniture polish wax carpet cleaners etc turn into white powder residue 1 Turn heater off when us
11. instructions to make it easy to clean all critical areas of your appliance INFORMATION VIDEO 108917 01 For all models Acare and maintenance video is available by calling 1 866 672 6040 For more information visit www desatecl 114745 01 114745 01 THIS PAGE INTENTIONALLY LEFT For more information visit www desatech com c gt 114745 01 OWNER S REGISTRATION FORM der to provide better customer service for this and future purchases we recommend that you register your product with us can register online at www desatech com if access to our web site is not available to you please complete this Owner s Reg tion Form and mail to the address on the back of this owner s manual Please provide the following product information Brand Comfort Glow Vanguard etc Model U LLL EFP33PR VTGH33NR etc Date Purchased Note Keep receipt for warranty verification Serial Number 7 to 9 digit number located on product or identification tag First Name Last Name Address 0 EI a aa State OOOO rA ERE Country ee E mail Please answer the following questions to register your product with DESA 1 Where will the product be used O Living Family Room Office warehouse Garage OBedroom O Bathroom Other 2 If you bought this product your self did you plan to purchase this type of product before going i
12. to Gas Supply page 11 CHECKING GAS CONNECTIONS 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 con nected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 4 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 1 Close equipment shutoff valve see Figure 14 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 3 Check all joints from gas meter to equipment shutoff valve for natural gas or propane LP supply to equipment shutoff valve for propane LP see Figure 15 page 13 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 4 Correct all leaks
13. 000 28 000 39 000 Type Gas Natural Gas Only Natural Gas Only Ignition Piezo Piezo Manifold Pressure 3 5 W C 1 6 W C 3 5 W C 1 6 W C Inlet Gas Pressure in of water Maximum 10 5 W C 10 5 W C Minimum 5 0 W C 5 0 W C For purpose of input adjustment VFRMV18PA VFRMV24PA Btu Variable 26 000 34 000 31 000 39 000 Type Gas Propane LP Only Propane LP Only Ignition Piezo Piezo Manifold Pressure 10 W C 6 3 W C 10 W C 6 3 W C Inlet Gas Pressure in of water Maximum 14 W C 14 W C Minimum 11 W C 11 W C For purpose of input adjustment Manufactured by DESA FMI LLC 1769 E Lawrence St Russellville AL 35653 This appliance has been designed certified by to ANS Z21 11 2a 2003 Unvented Room Heaters and ANS Z21 60 2003 CSA 2 26 2003 decorative Gas Appliances for Installation in Solid Fuel Burning Fireplaces by OMNI Test Laboratories For more information visit www desatecl 114745 01 WIRING DIAGRAM REMOTE READY MODELS ONLY SERVICE HINTS TECHNICAL SERVICE REPLACEMENT PARTS WIRING DIAGRAM Remote Ready Models Only 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 yourlocal propane LP or natural gas supplier TECHNICAL SERVICE You may have further questions about installat
14. 103284 02 114798 01 114804 01 111828 01 111824 01 099998 01 114790 01 PARTS AVAILABLE NOT SHOWN 100563 01 103877 01 100565 01 100639 01 GA6060 DESCRIP HON Log plate valve Extention Knob A Extention Knob B Valve Bracket Pilot Bracket Pilot Burner 3 8 Flex Tube 3 8 Washer Orifice 3 8 Brass Elbow Orifice Bracket Piezo Wire Piezo Switch Bracket Ignitor Wire Harnes Burner Bracket 3 16 Flex Tube 3 16 Ferrel 3 8 Nut With Ferrel On Off switch Grate Warning Plate Lighting Instruction Warning Plate Fastener Caution Decal Lava Rock OE 114745 01 ACCESSORIES Purchase these heater accessories from your local dealer If they can not sup ply 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 GHRCTB 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 RECEIV
15. Clamp Acces sory for Vented Operation page 10 Before installing in a solid fuel burning 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 Inspect chimney flue for damage If damaged repair flue before operating ap pliance If fireplace has glass doors never operate 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 To prevent the creation of soot follow the instructions in cleaning and maintenance page 18 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 the burner box or on adjacent walls and furniture 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 Combustion and Ventilation pages 4 through 6 If the heater keeps shutting off see Trouble shooting pages 19 through 21 Do not run heater where flammable liquids or vapors are used or stored under dusty conditions Do not use heater to cook food or burn paper or other objects Do not use heater if any part
16. ER AND HAND HELD REMOTE CONTROL KIT GHRCB For all Remote Ready Models Allows the gas log heater to be turned on and off by using a hand held remote control ACCESSORIES 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 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 lb 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
17. Not Important Somewhat Important Very Important Availability Price Brand Name Overall Quality Heat Output Made in USA Warranty Local Service Value for Price OOOOOOOOOO OOOOOOOOOO 0000000000 Prior Brand Experience Controls Location O Q Q Thermostat Remote or Manual Operation Ease Operation Special Features Salesperson s Recommendation Portability Quiet Operation OOOOOO OO OOOO OOOOOO Postage Required DESA 2701 Industrial drive Bowling Green KY 42101 www desatech com NOTES For more information visit www desate hig 114745 01 m 114745 01 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implied LIMITED WARRANTY 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 origin
18. Then smell for gas including near the floor If you smell gas STOP Follow B in the safety informa tion 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 K No 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 7 With control knob pressed in press and release ignitor button This will light pilot The pilot is attached to the front burner If needed keep For more information visit www desate 114745 01 OPERATING HEATER Continued 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 column 2 Selector Switch in OFF Position Control Knob Ignitor Button Flame Adjustment Knob 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 f control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out r
19. ace floor with non combustible material Make sure material is secure A CAUTION Do not pick up heater assembly by logs This could dam age 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 if 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 pro vided Connect approved flexible gas hose to inlet side of gas control see Figure 11 2 Position heater assembly in fireplace Connect to gas supply See Connecting To Gas Supply see Figure 12 page 11 Gas Control NS Q Y Or Orn S Ges Ly Flexible Gas Hose if allowed by local codes Figure 11 Attaching Flexible Gas Hose to Heater Gas Regulator For more information visit www desatecl 114745 01 INSTALLATION Installing Heater Assembly Cont Connecting to Gas Supply INSTALLATION Continued A WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the press
20. al 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 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 WAR RANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FORA 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
21. 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 combustible materials gasoline and other flammable vapors and liquids A WARNING Do not place log scraps or lava rocks on burner Solid fuels shall not be burned in a fireplace in with an unvented room heater installed Children and adults should be alerted to the hazard of high temperature and should stay away to avoid burns or clothing ignition For more information visit www desate 114745 01 SAFETY INFORMATION SAFETY INFORMATION PRODUCT IDENTIFICATION Continued 10 TI 12 13 14 This appliance as supplied 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 inside the structure Locate propane LP supply tank s outdoors propane LP units only If you smell gas shut off gas supply do not try to light any appliance do not touch any electrical switch do not use any phone in your building immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions 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 appliance See nstalling Damper
22. ce opening has vents at the bottom you must open the vents before operating heater You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater NOTICE During initial operation of new heater burning 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 A WARNING Damper handle will be hot if heater has been running Selector Switch in Control Knob OFF Position 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 4 Press in and turn control knob clockwise lt N to the OFF position see Figure 17 A WARNING Burners will come on automatically 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
23. diately 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 Control Knob Ignitor Button Flame Adjustment Knob 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 Temperature in The Log Heater will AUTO Mode 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 Unit Selections GHRCTB Only For more information visit www desatec 114745 01 INSPECTING BURNERS Pilot Flame Pattern Burner Flame Pattern 17 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 22 shows a correct pilot flame pattern Figure 23 shows an incorrect pilotflame pattern The incorrect pilot flame is nottouching the thermoc
24. e will ignite if highly heated A dirty chimney flue may create and distribute soot withinthe house Inspectchimneyfluefor damage If damaged repair flue damper before operating appliance A WARNING Maintain the minimum clearances If you can provide greater clearences from floor ceiling and adjoining MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS LOG SIZING REQUIREMENTS LOG MINIMUM FIREBOX SIZE SIZE HEIGHT DEPTH FRONT WIDTH REAR WIDTH Allow adequate clearences for accessibility for purposes of servic ing and proper operation A 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 Use a heat ressistant sealant Do not seal chim ney flue damper A WARNING Never install the heater in a bedroom or bathroom unless installed as a vented appli annce see page 10 e in a recreational vehicle where curtains furniture clothing or other flammable objects are Less than 42 inches from the front top or sides of heater in high traffic areas in windy or drafty areas Measured at 14 depth nore information visit www desatech com DES A 114745 01 INSTALLATION Installation and Clearences for Vent free Operation cont INSTALLATION Continued Care fully follow the instructions below This will ensure safe installation into masonary UL127 listaed manufactured fireplace or li
25. e cece perce ris eee 17 SAFETY INFORMATION WARNINGS IMPORTANT Read this owner s manual carefully and com pletely before trying to assemble operate or service this log set Improper use of this log set can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs ofcarbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the log set may not be working properly Get fresh air at once Have log set 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 amp LP Gas Natural amp LP gas 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 lt is your guide to safe and proper operation of this log set WARNING Any change to this log set or its controls can be dangerous A WARNING Do not use a blower insert heat exchanger insert or other accessory not approved for use with this appliance A WARNING This appliance is equipped with natural or propane gas F
26. epeat steps 4 through 8 pages 14 amp 15 9 Slightly push in and turn control knob counterclockwise y N tothe ON position 10 Wait one minute and switch selector switch to the ON position 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 A 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 nore information visit www desatech com 114745 01 OPERATING HEATER REMOTE READY MODELS Lighting Instructions Cont To Turn Off Gas To Appliance Manual Lighting Procedure Remote Control Operation Ignitor Electrode Ignitor Pilot Burner P s Electrode N Figure 19 Pilot Propane LP Pilot Natural MN TO TURN OFF GAS TO APPLIANCE BEI Shutting Off Heater 1 Turn control knob clockwise to the OFF position 2a Setselector switch in the OFF position 2b If Using Optional Hand Held Remote Set selector switch in the OFF position to prevent draining battery Shutting Off Burner Only pilot stays lit You may shut off the burners and keep the pilot lit by doing one of the fol lowing 1 Turn control knob clockwise lt N to the PILOT position 2 Use remote contro
27. has been exposed to or under water Im mediately 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 size or larger Turn heater off and let cool before servicing installing or repair Or more information visit www desatech com 114745 01 ing 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 Remot Ready Models Only 16 Remote ready heaters shall not be connected to any external electri cal source 17 Operating heater above elevations of 4 500 feet may cause pilot out age 18 To prevent performance problems do not use propane LP tank s of less than 10 Ib capacity propane LP units only 19 Provide adequate clearances around air openings 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 LOCAL CODES Install and use appliance 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
28. hrough the log set change to a light yellow color yellow decorative flames are visible as the flames exit the log set The base of the log set and the underside of the top logs glow red Natural gas models will burn with more blue flame while propane gas model will burn with bright yellow flame DESA CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole CLEANING AND MAINTENANCE A WARNING Turn off heater and let cool before cleaning caution You must keep control areas burners and circulating air passageways of heater clean Inspect these areas of heater be fore each use Have heater inspected yearly by a qualified service person 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 opening 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 opening prior to each heating season Blocked air opening 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 Yo
29. ield conversion is not permitted CLEANING AND MAINTENANCE 18 TROUBLESHOOTING u ul GA deter ee rere ete 19 SPECIFICA NON Soeren aaa EE 22 WIRING DIAGRAM Sees terete sees 29 SEIRVIGETHNTS A aisi E A 29 TECHNICAL SERVICE uuu et ee ret 29 REPLACEMENT PARTS a ipe drea 29 ILLUSTRATED BREAKDOWN AND PARTS LIST 25 ACCESSORIES KC 27 WARRANTY INFORMATION Back Cover 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 assembly becomes very hot when running heater Keep children and adults away from hot surface to avoid burns or cloth ing 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 appliance When using the hand held remote accessory Remote Ready Models Only keep selector switch in the OFF position to prevent children from turning on
30. ilding page 6 B Vent room directly to the outdoors See Ventilation Air From Outdoors page 6 C Install a lower Btu Hr appliance if lower Btu Hr size makes room unconfined 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 A WARNING If the area in which the appliance 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 DESA AIR FOR COMBUSTION 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 ven tilating 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 o
31. in Figure 12 Point ing 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 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 ore information visit www desatech com 114745 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 ap pliance 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 A WARNING Use pipe joint sealant that is resistant to liquid pe troleum 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 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
32. ing furniture polish Wax carpet cleaners or similar products Moisture condensation noticed on windows For more information visit www desatecl 1 Not enough combustion ventilation air 1 Refer to Air for Combustion and Ventilation requirements page 4 114745 01 TROUBLESHOOTING Continued E WARNING If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department TROUBLESHOOTING 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 Heater produces a clicking ticking noise just after burners are lit or shut off l Metal expanding while heating or contracting while cooling This is common with most heaters If noise is excessive contact qualified service person Heater produces unwanted odors Heater burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT statement above Open window to ventilate room Stop using odo
33. instructions exactly a fire 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 e Do not touch any electric switch do not use any phone in your build ing Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e f you cannot reach your gas supplier call the fire department C Use only 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 Immedi ately 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 LIGHTING INSTRUCTIONS HFE A WARNING e 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 firepla
34. into heater controls If sediment trap is not installed or is installed wrong heater may not run properly A CAUTION Avoid damage to gas control Hold gas control with wrench when connecting it to gas piping and or fittings External Regulator Propane LP Supply Tank Vent Pointing Down Figure 12 External Regulator With Vent Pointing Down DESA INSTALLATION Connecting To Gas Supply Cont Checking Gas Connections INSTALLATION Continued CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap PROPANE LP From External Regulator 11 W C To 14 W C Approved Flexible Gas Hose if allowed by local codes 2 K 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 A WARNING Test all gas piping and connections for leaks after installing or servicing Correct all leaks at once A 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 Correct all leaks at once A CAUTION Make sure external regulator has been installed between propane LP supply and heater See guidelines under Connecting
35. ion do the fire department not install this appliance in a factory built Installation and service must be performed fireplacethatincludes instructions stating by a qualified installer service agency or it has not been tested or should not be the gas supplier used with unvented 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 Aftermarket Completion of sale not for purpose of resale from the manufacturer Save this manual for future reference TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFET INFORMATION e 2 PRODUCT IDEN TIFICAHNON u acta eee de eee eee 9 OPTIONAL REMOTE CONTROL ACCESSORIES 4 Focibesb 4 sig Itm 4 PRODUCT FEATURE u aaa tuit s rapuit cu te tcm ee 4 AIR FOR COMBUSTION AND VENTILATION 4 INSTALLATION R uuu T OPERATING acre ce see eee eee 14 INSPECTING ISURINIISS u tienes gi esr c
36. ion operation or troubleshoot ing If so contact DESA Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready services web site at You can also visit DESA technical www desatech com OI IY 114745 01 nore information visit 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 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 tsupply original replacement part s call DESA at 1 866 672 6040 for referral information When calling DESA have ready model number of your heater the replacement part number DESA ILLUSTRATED PARTS BREAKDOWN VFRMV18NA VFRMV18PA VFRMV24NA VFRMV24PA ILLUSTRATED PARTS BREAKDOWN REMOTE READY MODELS AND REMOTE CONTROLLED MODELS VFRMV18NA VFRMV18PA VFRMV24NA VFRMV24PA For more information
37. l If your heater is a non thermostatically controlled model you may use this heater as a vented product There are three reasons for operating your heater in the vented mode 1 Thefireplace does not meetthe 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 1 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 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 inches inches inches inches Chimney Minimum Permanent Height ft Flue Opening sq ins 6 to 15 39 sq inches 15 to 30 29 sq inches Damper Clamp Damper Damper Masonry Fireplace Manufactured Fireplace Figure 10 Attaching Damper Clamp INSTALLING HEATER ASSEMBLY A WARNING If installing ina sunken fireplace special care is needed You must raise the fireplace floor to allow access to heater control panel This will insure adequate airflow and guard against sooting Raise firepl
38. l manual OFF button 3 Set selector switch in the OFF position BH MANUAL LIGHTING PROCEDURE HN 1 Follow steps 1 through 6 under Lighting Instructions page 14 Depress control knob and light pilot with match Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 9 through 11 Lighting Instructions column 1 E REMOTE CONTROL OPERATION IBI Remote Control Operation GHRCB 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 Remote Control Operation Cont OPERATING HEATER Continued IMPORTANT Do not leave the selector switch in the REMOTE or ON position when the pilot is not lit This will drain the battery 2 Press the ON OFF button 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 purchased separately see Accessories page
39. lation does not meet the minimum clearances shown you must do one of the following M inim um Nen gt operate the logs only with the flue damper open mus bl M aterial raise the mantel to an acceptable height remove the mantel FLOOR CLEARANCES A lfinstalling appliance on the floor level you must maintain the minimum distance of 14 to combustibles see Figure 8 H ood 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 M antelS helf Underside of M antelS helf Alm inim um distances are in inches Top ofFireplace SY O pening D istances to G A6050 G A 60 Nanderside of orG A6052 M antel Figure 7 Minimum Mantel Clearances When Using Hood Combustible Material Non Combustible Material Hearth Combustible Material Figure 8 Minimum Fireplace Figure 9 Minimum Fireplace Clearances If Installed at Floor Clearances Above Level ore information visit www desatech com 114745 01 Combustible Flooring DESA INSTALLATION Instaling 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 fuel burning fireplace with a working flue and constructed of non combustible materia
40. ned and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA54 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 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 odorless passageways or ventilation grills between them DETERMINING FRESH AIR FLOW FOR APPLIANCE 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 appliance plus any adjoining rooms with odorless passageways 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 Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 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 more info
41. nto the store OYes No 3 Who selected the product OMale OFemale OBoth 4 What is the population of your area OUnder 10 000 10 000 to 25 000 25 000 to 50 000 50 000 to 100 000 100 000 to 250 000 OOver 250 000 5 What is your primary source of heat OPropane LP Gas OFuel Oil OWood ONatural Gas OElectric Oother 6 How was the product installed OProfessional Installer OSelf OOther 7 Cost of product excluding sales tax _ 8 Costto install product O 9 Type of store where product was purchased Ohardware OPropane Dealer ONatural Gas Utility Co OHome center builder s Supply OFireplace or Hearth Shop OFarm Store OOther 10 What motivated you to buy this product OSudden cold weather OReplace another model OD I Y Home Project QEmergency Back up Heat OHeater was onsale OEnergy Savings High Efficiency OConstruction Project OoOther 11 How did you learn about this brand OAdvertising ORelative or Friend OStore display OOther 12 Level of Education of Purchaser OSome High School OCompleted High School Completed College OCompleted Graduate School 13 Age of purchaser Ounder 20 20 29 30 39 40 49 50 59 QO60 Over 14 Buyer s total annual household income OUnder 15 00 15 000 to 19 999 20 000 to 34 999 O 35 000 49 999 Q 50 000 to 74 999 75 000 to 99 999 100 000 and over 15 Store where product was purchased 16 In choosing this product how important were the following
42. ob pressed in 30 seconds 3 Waitone minute for safety interlock system to reset Repeat ignition operation 4 Fully open equipment shutoff valve 5 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Main tenance page 18 or replace ODS pilot as sembly 6 Hand tighten until snug then tighten 1 4 turn more 7 Replace pilot assembly 8 Replace control valve 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 3 Mislocated crossover tube 4 Burner orifice s diameter is too small 5 Remote selector in OFF position Remote Ready Models Only 6 Wire disconnected from gas control Remote Ready Models Only 1 Contact local natural or propane LP gas com pany 2 Clean burner s see Cleaning and Mainte nance page 18 or replace burner orifice s 3 Contact qualified service person 4 Replace burner orifice s 5 Putremote selector in ON position 6 See Wiring Diagram page 23 Delayed ignition of burner 1 Manifold pressure is too low 2 Burner orifice s clogged 3 Mislocated crossover tube 1 Contact local natural or propane LP gas com pany 2 Clean burner s see Cleaning and Mainte nance page 18 or replace burner orifice s 3 Contact qualified service person Burner
43. onfined 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 of unusually tight construction you must provide additional fresh air For more information visit www desatec 114745 01 AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation Cont Determining Fresh Air Flow for Appliance Location AIR FOR COMBUSTION AND VENTILATION Continued Unusually tight construction is defined as construction where A Walls and ceilings exposed to the outside atmosphere have a con tinuous 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 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 ad ditional fresh air See Ventilation Air From Outdoors page 5 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Appliance Location below Confi
44. ouple This will cause the thermocouple to cool When the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 23 turn heater off see To Turn Off Gas to Appliance page 15 Remote Ready Models 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 Thermocouple Figure 22 Correct Pilot Flame Pattern Your pilot may vary from pilots shown Pilot Burner Thermocouple Figure 23 Incorrect Pilot Flame Pattern Your pilot may vary from pilots shown 114745 01 more information visit www desatech com BURNER FLAME PATTERN Figure 24 shows correct burner flame pattern NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles are burned by heater causing brief patches of orange flame If burner flame pattern is incorrect as shown in Figure 25 turn heater off see To Turn Off Gas to Appliance page 15 See Troubleshooting pages 19 through 21 Blue and bright Yellow flames Figure 24 Correct Burner Flame Pattern Darker orange games Figure 25 Incorrect Burner Flame Pattern The flames from the burner travel horizontally through the log set and emerge at the middle and rear of the set against the back logs The flames are blue off the burner and as they progress t
45. r causing products while heater is running 2 Low fuel supply propane LP only 2 Refill supply tank propane LP only 3 Gas leak See Warning statement at top of 3 Locate and correct all leaks see Checking Gas page Connections page 12 Heater shuts off in use ODS operates 1 Not enough fresh air is available 1 Open window and or door for ventilation 2 Low line pressure 2 Contact local natural or propane LP gas com pany 3 ODS pilot is partially clogged 3 Clean ODS pilot see Cleaning and Mainte nance page 18 Gas odor even when control knob is in OFF 1 Gas leak See Warning statement at top of 1 Locate and correct all leaks see Checking Gas position page Connections page 12 2 Control valve or gas control defective 2 Replace control valve or gas control Gas odor during combustion 1 Foreign matter between control valve and 1 Take apart gas tubing and remove foreign mat burner ter 2 Gas leak See Warning statement at top of 2 Locate and correct all leaks see Checking Gas page 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 more information visit www desatech com 114745 01 Move hand held remote control unit farther away from the heater DESA SPECIFICATIONS SPECIFICATIONS VFRMV18NA VFRMV24NA Btu Variable 24 000 36
46. r 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 attic will activate the power vent Ventilation Grills Ventilation Grills Into Adjoining Or Into Adjoining Room Remove Option 2 ption Door into u s Aqjoining Room Option d Figure 2 Ventilation Air from Inside Building Ventilated Attic Outlet Air To Attic Inlet Air Ventilated OL Crawl Space Figure 3 Ventilation Air from Outdoors For more information visit www desatech c 114745 01 INSTALLATION Check Gas Type Installation and Clearences for Vent free Operation INSTALLATION NOTICE this heater is intended for use as supplemental heat Use A CAUTION This heater creates warm air currents These cur this heater along with your primary heating system Do not install this rents move heat to wall surfaces next to heater Installing heater heater as your primary heating source If you have a central heating next to vin
47. re is spark at ODS pilot but no ignition 1 Gas supply turned off or equipment shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Airin gas lines when installed 5 Depleted gas supply propane LP only 6 ODS pilot is clogged 7 Gasregulator setting is not correct 1 Turn on gas supply or open equipment shutoff valve 2 Turn control knob to PILOT position 3 Press in control knob while in PILOT po sition 4 Continue holding down control knob Repeat igniting operation until air is removed 5 Contact local propane LP gas company 6 Clean ODS pilot see Cleaning and Main tenance page 18 or replace ODS pilot as sembly 7 Replace gas regulator ODS pilot lights but flame goes out when control knob is released 114745 01 re information visit www desatech com 1 Control knob not fully pressed in 2 Control knob not pressed in long enough 3 Safety interlock system has been trig gered 4 Equipment shutoff valve not fully open 5 Pilot flame not touching thermocouple which allows thermocouple to cool causing 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 6 Thermocouple connection loose at control valve 7 Thermocouple damaged 8 Control valve damaged 1 Press in control knob fully 2 After ODS pilot lights keep control kn
48. requires no matches batteries or other sources to light heater AIR FOR COMBUSTION AND VENTILATION A WARNING This heater shall not be installed in confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air Read the following in structions 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 airtight 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 ap pliances This will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI 2223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifica tions 1 Unusually Tight Construction 2 Unc
49. rmation visit www desatech com 114745 01 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 appliance Btu Hr Gas water appliance Btu Hr Gas furnace Btu Hr Vented gas appliance 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 combustion air from the outdoors and vents to the outdoors Example Gas water appliance 40 000 Btu Hr Vent free appliance 33 000 Btu Hr Total 713 000 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 Bu
50. sted 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 combus tible material must be 4 from the side of the fireplace to the cabinet see figure 4 B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches Example INCHES 6 8 10 12 14 16 INCHES E FIREBOX 1 Minimum 16 inches from Side Wall Figure 4 Minimum Clearance for Combustible to Wall NOTICE Non thermostat controlled heaters maybe used as a vented product If so you must always run heater with chimney flue damper open noncombustible material above the fireplace opening is not needed Go to nstalling Damper Clamp Accessory for vented operation Minimum Noncombustible material Clearences If Not Using Mantel Note If using a mantel proceed to f Using Mantel If not using mantel follow the information on this page You must have non combustible material s above the fireplace opening Non combustible materials such as slate marble tile etc Must be at least 1 2 inch thick With sheet metal you must have non combustible material behind it Non combustible material must extend at least 8 up for all models If non combustible material is less than 12 you must install
51. tates or when such a Standard is not applicable ANSI NCSBCS A225 1 NFPA 501A Manufactured Home Installations Standard UNPACKING A CAUTION Do not remove the data plates from the grate as sembly 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 2 Remove all protective packaging applied to log set for shipment Check all items for any shipping damage If damaged promptly inform dealer where you bought appliance PRODUCT FEATURES OPERATION This heater is clean burning It requires no outside venting There is no heat loss out a vent or up a chimeney 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 decora tive ANSI Z21 60 product by opening the flue damper Non Thermosta models only SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing ODS safety shut off 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
52. ur 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 compressed air ina 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 opening on injector holder for dust and dirt see Figure 26 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 Blow air into the primary air opening 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 pilot assembly 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 ofthe 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 WARNING Failure to keep the primary air openings of the burner clean may result in sooting and property damage Injector Holder Burner Tube Primary Air Inlet Opening At bottom
53. ure regulator A WARNING A qualified service person must connect 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 sup plied Install the external regulator between the heater and propane LP supply A 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 below 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 regulator The external regulator will reduce incoming gas pressure You must reduce in coming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pressure heater regulator damage could occur Install external regulator with the vent pointing down as shown
54. yl or cloth wall coverings or operating heater where system you may run system s circulating blower while using heater impurities such as but not limited to tobacco smoke aromatic This will help circulate the heat throughout the house In event of a candles cleaning fluids oil or kerosene lamps etc in the air power outage you can use this heater as your primary heat source exist may discolor walls or cause odors AS warnine A qualified service person must install heater Fol IMPORTANT Vent free heaters add moisture to the air Although low all local codes this is beneficial installing heater in rooms withought enough ventilation 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 propane LP for your unit If your gas supply is not correct do not instal in fireplace Call dealer where you bought the appliance for proper type of appliance NOTICE State or local codes may only allow operation of this appli ance in a vented configuration Check your state or local codes A WARNING Make sure the selector switch is in the OFF position before installing heater A WARNING Before installing in a solid fuel burning fireplace NSTAL LATIO N AN D C LEARAN C ES the chimney flue and firebox must be cleaned of soot creosote FOR VE NT F REE OPERATION ashes and loose paint by a qualified chimney cleaner Creosot
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