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Desa CSG3924NT User's Manual

1. Figure 18 Checking Gas Joints Propane LP Gas Only Equipment Shutoff Valve Thermostat Gas Valve or Control Valve Location Gas Meter DOE E Figure 19 Checking Gas Joints Natural Gas Only 33 4 2 6 114 6 9 11 110021 01A INSTALLATION Installing Logs INSTALLATION Continued INSTALLING LOGS A WARNING Failure to position the parts in accor dance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury A CAUTION After installation and periodically there after check to ensure that no yellow 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 Yellow flames contacting logs will create soot It is very important to install the logs exactly as instructed Do not modify logs Only use logs supplied with heater Before installing logs make sure log alignment screws are in place and straight Figure 21 Installing Log 2 Right and Log 3 Left Model CSG3924NR Shown Models CSG3924NT CSG3924PT CSG3924NR CSG3924PR CTB3924NT CTB3924PT CTB3924NR and CTB3924PR 1 Place log 1 ember bed onto base Position log over alignment screws to left o
2. 2 4 6 8 10 12 14 16 FIREBOX 5 1 INCHES Minimum 16 inches from Side Wall Figure 4 Minimum Clearance for Combustible to Wall 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 11 Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to f Using Mantel If not using a mantel follow the information on this page 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 noncombustible material is less than 12 you must install the fireplace hood accessory 24 and 30 models only See Figure 5 for minimum clearances Por J dene 151 www desatech com 110021 01 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 If
3. PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater AIR FOR COMBUSTION AND VENTILATION A WARNING This heater shall not be installed in a confined space or unusually tight construction un less provisions are provided for adequate combus tion and ventilation air Read the following instruc tions 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 mate rials 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 appliances This will insure proper venting of vented fuel burning appliances Por mora information visit www desatech com 110021 01A PRODUCT FEATURES Operation Safety Device Piezo Ignition System AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation PROVIDING AD
4. Note Where listed vented decorative logs are required thermostat operation is not permitted UNPACKING A CAUTION Do notremove the data plates from the 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 assembly by burners This could damage heater Always handle base assembly by the sides of assembly 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 33 452 6 115 6 9 11 110021 01A PRODUCT FEATURES OPERATION This heater is clean burning It requires no outside venting There is no heat loss out a vent or up a chimney Heat is generated by both realistic flames and glowing coals This heater is designed for vent free operation with flue damper closed It has been tested and approved to ANSI Z21 11 2 standard for unvented heaters State and local codes in some areas prohibit the use of vent free heaters This heater may also be operated as a vented decorative ANSI Z21 60 product by opening the flue damper Remote Ready Models Only SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air
5. volume of space If additional ventilation to adjoining room is supplied with grills or open ings add the volume of these rooms to the total volume of the space 2 Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maximum Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support 3 the Btu Hr of all fuel burning appliances in the space Vent free heater Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws com bustion air from the outdoors and vents to the outdoors Example Gas water heater 40 000 Btu Hr Vent free heater 39 000 Btu Hr Total 79 000 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 79 000 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 C Rework worksheet adding the space of an adjoining room If the extra space pr
6. 4 What is the population of your area Under 10 000 10 000 to 25 000 25 000 to 50 000 50 000 to 100 000 100 000 to 250 000 Over 250 000 5 What is your primary source of heat Propane LP Gas Fuel Oil Wood Natural Gas Electric Other 6 How was the product installed Professional Installer Self Other 7 Cost of product excluding sales tax 8 Cost to install product 9 Type of store where product was purchased Hardware Propane Dealer Natural Gas Utility Co Home Center Builder s Supply O Fireplace or Hearth Shop Farm Store Other 10 What motivated you to buy this product Sudden Cold Weather Replace Older Model D I Y Home Project O Emergency Back Up Heat Heater was on Sale Energy Savings High Efficiency Construction Project Other 11 How did you learn about this product brand O Advertising Relative or Friend Store Display Other 12 Level of Education of Purchaser Some High School Completed High School Completed College Completed Graduate School 13 Age of Purchaser O Under 20 20 29 O30 39 O40 49 050 59 060 or Over 14 Buyer s total annual household income Under 15 000 15 000 to 19 999 20 000 to 34 999 35 000 to 49 999 50 000 to 74 999 75 000 to 99 999 100 000 and Over 15 Store where product was purchased Name City State 16 In choosing this product how important were the following Not
7. 17 Pressurize supply piping system by either opening propane LP sup ply tank valve for propane LP gas or opening main gas valve lo cated on or near gas meter for natural gas or using compressed air Check all joints from gas meter for natural or propane LP sup ply to equipment shutoff valve see Figure 18 or 19 Apply a noncorrosive leak detection fluid to all joints Bubbles form ing show a leak Correct all leaks at once For more information visit www Pressure Testing Heater Gas Connections 1 Open equipment shutoff valve see Figure 17 2 Open main gas valve located on or near gas meter for natural gas or open propane LP supply tank valve 3 Make sure control knobs of heater are in the OFF position Check all joints from equipment shutoff valve to thermostat gas valve Thermostat Controlled Models or control valve Remote Ready Models see Figure 18 or 19 Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once Light heater see Operating Heater pages 17 through 21 Check all other internal joints for leaks 7 Turn off heater see To Turn Off Gas to Appliance page 18 Ther mostat Controlled Models or page 20 Remote Ready Models Open Equipment Shutoff Valve Closed Figure 17 Equipment Shutoff Valve Equipment Shutoff Valve Thermostat Gas Valve or Propane LP Control Valve Location Supply Tank
8. Burner orifice s clogged 3 Mislocated crossover tube 1 Contact local natural or propane LP gas company 2 Clean burner s see Cleaning and Main tenance page 23 or replace burner orifice s 3 Contact qualified service person Burner 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 23 or replace burner orifice 2 Replace damaged burner 3 Replace gas regulator Yellow flame in front middle burner during burner combustion VRL24NT PT VRL24NR PR VRL30NT PT VRL30NR PR CSG3924NT PT CSG3924NR PR Yellow flame in front burner during burner combustion CTB3924NT PT CTB3924NR PR 1 Not enough air 2 Gas regulator defective 1 Check burner s for dirt and debris If found clean burner s see Cleaning and Maintenance page 23 2 Replace gas regulator Slight smoke or odor during initial operation 1 Residues from manufacturing processes and logs curing 1 Problem will stop after a few hours of operation Heater produces a whistling noise when burners are lit 1 Turning control knob to HI position when burners 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 b
9. Connections INSTALLATION Continued CHECKING GAS CONNECTIONS 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 aleak Apply anoncorrosive leak detection fluid to all joints Bubbles forming showa 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 to Gas Supply page 12 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 sys tem Pressures in excess of 1 2 psig will damage heater regulator Cap off open end of gas pipe where equipment shutoff valve was connected Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using com pressed air Check all joints of gas supply piping system Apply a 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 2 Close equipment shutoff valve see Figure
10. Important Somewhat Important Very Important Availability Price Brand Name Overall Quality Heat Output Made in USA Warranty Local Service Value for Price Prior Brand Experience Controls Location Thermostat Remote or Manual Operation Ease of Operation Special Features Salesperson s Recommendation Friend Relative s Recommendation Portability Quiet Operation Postage Required DESA INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 NOTES NOTES For information visit www desatech com DESA 110021 01A DESA INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com For more information visit www di 110021 01 110021 01 Rev A NOT A UPC 04 02 SALE CNC ON
11. connect heater directly to the propane LP supply This heater requires an external regulator not supplied Install the external regulator between the heater and pro pane LP supply Installation Items Needed Before installing heater make sure you have the items listed below external regulator for propane LP only 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 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 34 For propane LP only 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 pressure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 14 page 13 Pointing the vent down protects it from freezing rain or sleet A WARNING For natural gas never connect heater to private non utility gas wells This gas is com monly known as wellhead gas A CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in certain areas Check you
12. heat Use this heater along with your primary heating system Do not install this heater as your primary 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 A WARNING Installation and repair should be done be a qualified service person The appliance should be inspected before use and at least annually by a professional service person More frequent cleaning may be required due to excessive lint from carpeting bedding material etc It is imperative that control compartments burners and circulating air passage ways of the appliance be kept clean NOTICE State or local codes may only allow opera WARNING Never install the heater in a bedroom or bathroom unless installed as a vented appliance see page 11 Remote Ready Mod els Only a recreational vehicle where curtains furniture clothing or other flam mable objects are less than 42 inches from the front top or sides of the heater in high traffic areas in windy or drafty areas A CAUTION This heater creates warm air currents These currents move heat to wall surfaces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities Such as but not limited to tobacco smoke aromatic ca
13. maintain the comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heated the output of the central heating system etc Note Selecting the HI setting with the control knob will cause the burner to remain fully on without modulating down in most cases BEEN MANUAL LIGHTING PROCEDURE MEN 1 Followsteps 1 through 5 under Lighting Instructions page 18 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 8 and 9 under Lighting Instructions page 18 REMOTE READY MODELS EE FOR YOUR SAFETY EN READ BEFORE LIGHTING WARNING If you do notfollow these instructions exactly a fire or explosion may result causing prop erty damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire de
14. over alignment screw shown in Figure 25 to left of rear burner Log 3 will wrap around left end of rear burner Place log 4 onto two alignment screws to rear of base see Figure 26 Locate hole on bottom of log 5 and place over pin in rear of ember bed log 1 Log 5 will rest on log 2 and log 4 as well see Figure 27 Place log 6 onto two pin on log 1 ember bed and rest back of log 6 on back log 4 see Figure 27 Figure 24 Installing Log 1 Ember Bed Model VRL30NR Shown Figure 25 Installing Log 2 Right and Log 3 Left Model VRL30NR Shown Figure 26 Installing Log 4 Model VRL30NR Shown Figure 27 Installing Log 5 and Log 6 Model VRL30NR Shown For more information visit www desatechycom 110021 01A INSTALLATION Attaching Grate To Base Assembly OPERATING HEATER THERMOSTAT CONTROLLED MODELS INSTALLATION Continued ATTACHING GRATE TO BASE ASSEMBLY Locate the two slots in the front of the base assembly Carefully slide the decorative grate into these slots see Figure 28 Slots in Base Figure 28 Attaching Grate to Base Assembly Logs and Base Will Vary According to Model ADDING LAVA ROCK Place lava rock around base of heater if desired Be sure not to cover the control knobs or air inlet openings on the front of heater For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER THERMOSTAT CONTROLLED MODELS ud FOR YOUR SAFET
15. partment C Useonly your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service techni cian or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water ug informa 110021 01A WARNING If fireplace has glass doors never operate this heater with glass doors closed If you operate heater with doors closed heat buildup inside fire place will cause glass to burst Also if fireplace opening has vents at the bottom you must open the vents before operating heater Youmust 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 burn ing logs will give off a paper burning smell Open damper or window to vent smell This will only last a few hours ition visit www desatech com 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 chim
16. top of fireplace opening a hood is not required see Figure 6 Determining Minimum Mantel Clearance When Using a Hood If minimum clearances in Figure 6 are not met you must have a hood When using a hood there are still certain minimum mantel clearances required Follow minimum clearances shown in Fig ure 7 when using hood NOTICE Surface temperatures of adjacent walls and mantels become hot during 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 installation does not meet the minimum clearances shown you must do one of the following operate the logs only with the flue damper open raise the mantel to an acceptable height remove the mantel FLOOR CLEARANCES A If installing appliance on the floor level you must maintain the minimum distance of 14 to combustibles see Figure 8 B Ifcombustible materials are less than 14 to the fireplace you must install appliance at least 5 above the combustible floor ing see Figure 9 For more information visit www desatech Mantel Shelf i Underside of Mantel Shelf A A All minimum distances are 7 in inches Minimum Non gt A dee E Log Set atona 12 118 120 22 24 4 All Models Y y y Top of Fireplace e
17. 02 108692 03 102030 01 098867 16 098867 15 098522 10 108106 01 099393 03 098508 01 108631 01 108111 01 108717 01 108717 02 100563 01 101054 05 100639 03 GA6060 PARTS LIST Thermostat Controlled VRL24NT VRL24PT VRL3ONT CSG3924NT CSG3924PT CTB3924NT CTB3924PT CTB3924NT 110097 01 110061 04 110061 02 102843 01 110063 03 110063 01 108105 01 107110 01 107485 01 102394 02 099387 18 108628 01 110093 01 097159 04 098271 10 099056 18 101004 02 101004 11 108692 02 108692 03 102030 01 098867 16 098867 15 098522 25 108106 01 099393 03 098508 01 108631 01 108111 01 PARTS AVAILABLE NOT S 100563 01 101054 05 100639 03 GA6060 CTB3924PT DESCRIPTION 110097 01 110061 03 110061 02 102843 01 110063 03 110063 01 108105 01 107110 01 104286 01 102394 02 099387 18 108628 01 110093 02 097159 04 098271 10 099056 21 101004 18 101004 13 108692 02 108692 03 102030 01 098867 16 098867 15 098522 10 108106 01 099393 03 098508 01 108631 01 108111 01 100563 01 101054 05 100639 03 GA6060 Burner Carriage Tube Front and Rear Burner Tube Middle Burner T Stat Burner Clip Burner Front Blue Flame Burner Front Yellow Flame Burner Middle Blue Flame Burner Rear Spacer ODS Pilot Control Bracket T Stat Pilot Tube Inlet Tube Pilot Mounting Bracket Piezo Ignitor Ignitor Cable Burner Orifice Injector Back Burner Orifice Injector Front Burner Orif
18. 3924PR CTB3924NR CTB3924PR under Replacement Parts on page 34 of this manual VRL30NR 110097 01 110061 04 110061 01 102843 01 110063 02 PART NUMBER FOR VRL24PR CSG3924PR 110097 01 110061 03 110061 01 102843 01 110063 02 110063 01 108105 01 107110 01 103779 01 108135 01 099387 14 099387 15 110093 03 097159 04 098271 10 099056 18 101004 02 101004 11 108692 04 098265 02 M12461 26 099918 02 103781 03 108106 01 099393 03 098508 01 103284 03 108111 01 108717 01 108717 02 103784 01 108631 01 103587 02 099998 01 100563 01 103877 04 100639 03 GA6060 110063 01 108105 01 107110 01 103778 01 108135 01 099387 18 110093 03 097159 04 098271 10 099056 21 101004 18 101004 13 108692 04 098265 02 M12461 26 103781 04 108106 01 099393 03 098508 01 103284 03 108111 01 103784 01 108631 01 103587 02 099998 01 100563 01 103877 04 100639 03 GA6060 VRL30PR 110097 01 110061 03 110061 01 102843 01 110063 02 110063 01 108105 01 107110 01 103778 01 108135 01 099387 18 110093 03 097159 04 098271 10 099056 21 101004 18 101004 13 108692 04 098265 02 M12461 26 103781 04 108106 01 099393 03 098508 01 103284 03 108111 01 108717 01 108717 02 103784 01 108631 01 103587 02 099998 01 100563 01 103877 04 100639 03 GA6060 CTB3924NR 110097 01 110061 04 110061 01 102843 01 110063 03 110063 01 108105 01 107110 01 103779 01 108135 01 099387 18 099387 15 1100
19. 93 03 097159 04 098271 10 099056 18 101004 02 101004 11 108692 04 098265 02 M12461 26 099918 02 103781 03 108106 01 099393 03 098508 01 103284 03 108111 01 103784 01 108631 01 103587 02 099998 01 ARTS AVAILABLE NOT 100563 01 103877 04 100639 03 GA6060 CTB3924PR DESCRIPTION 110097 01 110061 03 110061 01 102843 01 110063 03 110063 01 108105 01 107110 01 103778 01 108135 01 099387 18 110093 03 097159 04 098271 10 099056 21 101004 18 101004 13 108692 04 098265 02 M12461 26 103781 04 108106 01 099393 03 098508 01 103284 03 108111 01 103784 01 108631 01 103587 02 099998 01 SHOWN 100563 01 103877 04 100639 03 GA6060 Burner Carriage Tube Front and Rear Burner Tube Middle Burner Remote Burner Clip Burner Front Blue Flame Burner Front Yellow Flame Burner Middle Blue Flame Burner Rear Spacer ODS Pilot Valve Bracket Pilot Tube Pilot Regulator Tube NG Pilot Mounting Bracket Piezo Ignitor Ignitor Cable Burner Orifice Injector Back Burner Orifice Injector Front Burner Orifice Injector Middle Remote Cover Plate Male Elbow Screw Hex SIt Wsr 10 32 x 38 Pilot Regulator NG Gas Control Valve Manual Control Valve Control Knob Valve Retainer Nut Wire Harness Cast Iron Grate Extension Plate Left Side Extension Plate Right Side On Off Pilot Knob Extension Log Alignment Screw Plate Switch Fan Switch Warning Plate Lighting Instructions Plate Ca
20. CONTROLLED PART NUMBER FOR KEY VRL24NT NO CSG3924NT 110097 01 110061 04 110061 02 102843 01 110063 02 110063 01 108105 01 107110 01 104285 01 102394 02 099387 18 108628 01 110093 01 097159 04 098271 10 099056 18 101004 02 101004 11 108692 02 108692 03 102030 01 098867 16 098867 15 098522 25 108106 01 099393 03 098508 01 108631 01 108111 01 100563 01 101054 05 100639 03 GA6060 Por mora information visit www desatech com 110021 01A VRL24PT CSG3924PT 110097 01 110061 03 110061 02 102843 01 110063 02 110063 01 108105 01 107110 01 104286 01 102394 02 099387 18 108628 01 110093 02 097159 04 098271 10 099056 21 101004 18 101004 13 108692 02 108692 03 102030 01 098867 16 098867 15 098522 10 108106 01 099393 03 098508 01 108631 01 108111 01 100563 01 101054 05 100639 03 GA6060 VRL30NT 110097 01 110061 04 110061 02 102843 01 110063 02 110063 01 108105 01 107110 01 104285 01 102394 02 099387 18 108628 01 110093 01 097159 04 098271 10 099056 18 101004 02 101004 11 108692 02 108692 03 102030 01 098867 16 098867 15 098522 25 108106 01 099393 03 098508 01 108631 01 108111 01 108717 01 108717 02 100563 01 101054 05 100639 03 GA6060 VRL30PT 110097 01 110061 03 110061 02 102843 01 110063 02 110063 01 108105 01 107110 01 104286 01 102394 02 099387 18 108628 01 110093 02 097159 04 098271 10 099056 21 101004 18 101004 13 108692
21. DESA UNVENTED VENT FREE GAS LOG HEATER INTERNATIONAL OWNER S OPERATION AND INSTALLATION MANUAL For more information visit www desatechicom LISTED 24 and 30 Remote Ready Models VRL24NR VRL24PR CSG3924NR CSG3924PR CTB3924NR CTB3924PR 24 and 30 Thermostat Models VRL24NT VRL24PT VRL3OPT CSG3924NT CSG3924PT CTB3924NT CTB3924PT Remote Ready Models Also Design Certified As Vented Decorative Appliances WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage per sonal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids inthe 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 qualified installer service agency or the gas supplier WARNING Improper installation adjust ment alteration service or maintenance can cause injury or property damage Refer to this manual for correct installation and operational procedures For assistance or additional information consult a qualif
22. EQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI Z223 I NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 5 through 7 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 a walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with Openings gasketed or sealed and b weather stripping has been added on openable win dows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 7 If your home does not meet all of the three criteria above proceed to Determining Fresh Air F
23. Figure 38 Incorrect Pilot Flame Pattern Your pilot may vary from pilots shown BURNER FLAME PATTERNS Figure39 shows correct front and or middle burner flame patterns Figure 40 shows incorrect front and or middle burner flame patterns The incorrect burner flame patterns show yellow tipping at top of blue flame A WARNING If yellow tipping occurs your heater could produce increased levels of carbon monoxide If burner flame patterns show yellow tipping follow in structions below Yellow flame on rear burner is normal 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 front and or middle burner flame patterns are incorrect as shown in Figure 40 turn heater off see To Turn Off Gas to Appliance page 18 Ther mostat Controlled Models or page 20 Remote Ready Models see Troubleshooting pages 24 through 26 For more information visit www Correct Front and Middle Burner Flame Patterns for VRL24NT PT VRL24NR PR VRL30NT PT and VRL30NR PR Models Correct Front and Middle Burner Flame Patterns for CSG3924NT PT and CSG3924NR PR Models Correct Middle Burner Flame Pattern for CTB3924NT PT and CTB3924NR PR Models Figure 39 Correct Burner Flame Patterns Yellow Tipping At Top of Blue Flame XX Incorrect Front and Middle Burner Flame Patterns for VRL24NT PT VRL24NR PR VRL30NT
24. H Opening Minimum Non Distances to Combustible Underside of Material Height Mantel Figure 6 Minimum Mantel Clearances Without Using Hood Mantel Shelf 12 x i Underside of Mantel Shelf All minimum distances are Minimum Non in inches Combustible Material 20 N Min WR MER y Top of Fireplace Y Opening Hood Distances to GA6050 GA6052 Underside of or GA6053 Mantel Figure 7 Minimum Mantel Clearances When Using Hood NEN PELA Combustible A 14 Material x aa Hearth Combustible x N eK Material Noncombustible Material E 5 Figure 8 Minimum Fireplace Figure 9 Minimum Fireplace Clearances If Installed at Floor Clearances Above Level Combustible Flooring 220111 110021 01A INSTALLATION Installing Damper Clamp Accessory For Vented Operation Installing Heater Base Assembly INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Remote Ready Models Only Note When used as a vented heater appliance must be installed only in a solid fuel burning fireplace with a working flue and constructed of noncombustible material If your heater is a manually controlled 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 re quirements for vent free operatio
25. L REMOTE CONTROL ACCESSORIES LOCAL CODES UNPACKING PRODUCT IDENTIFICATION Log Set Varies According to Model Piezo Ignitor Burner Control Knob Front and Rear Burner Control Knob Thermostat Models CSG3924NT CSG3924PT CTB3924NT CTB3924PT VRL24NT VRL24PT VRL30NT VRL30PT Base Extension 30 Models Only Selector Switch Optional Rear Burner ON OFF Front Base Extension Middle B 30 Models urner Remote Optional Front and Rear C Burner Control Base Assembly Remote Ready Models CSG3924NR CSG3924PR CTB3924NR CTB3924PR VRL24NR VRL24PR VRL30NR VRL30PR Figure 1 Product Identification For more information visit www OPTIONAL REMOTE CONTROL ACCESSORIES There are four optional remote controls that can be purchased separately for Remote Ready Models Only wall switch hand held ON OFF remote wall thermostat hand held thermostat remote See Accessories page 34 The wall thermostat or hand held thermostat may not be used where vented decorative listing is required LOCAL CODES Install and use heater with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI Z223 1 NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269
26. 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 8 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 9 Slightly push in and turn control knob counterclockwise Kf to the ON position 10 Wait one minute and switch selector switch to the ON posi tion to light burner Note AUTO is only functional when using GWMT1 or GWMS2 optional accessories 11 Tolight the front rear burners push in and turn rear burner control knob counterclockwise to the ON position A CAUTION Do not try to adjust heating levels by using the equipment shutoff valve 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 Control Knob Rear Burner Control Knob Selector Ignitor Button Switch Figure 32 Control Knobs and Ignitor Button Locations Shown as Supplied No Remote Control Operation For more information visit Ignitor Electrode Thermocouple Pilot Burner Ignitor Electrode Thermocoupl
27. PT and VRLS0NR PR Models Yellow Tipping At Top of Blue Flame Incorrect Front and Middle Burner Flame Patterns for CSG3924NT PT and CSG3924NR PR Models Yellow Tipping At Top of Blue Flame Incorrect Middle Burner Flame Pattern for CTB3924NT PT and CTB3924NR PR Models Figure 40 Incorrect Burner Flame Patterns VRL Models only 110021 01 CLEANING AND MAINTENANCE Cleaning Burner Injector Holders and Pilot Air Inlet Holes CLEANING AND MAINTENANCE A WARNING Turn off heater and let cool before cleaning A CAUTION You must keep control areas burners and circulating air passageways of heater clean In spect these areas of heater before each use Have heater inspected yearly by a qualified service person Heater may need more frequent cleaning due to exces sive lint from carpeting pet hair bedding material etc CLEANING BURNER INJECTOR HOLDERS AND PILOT AIR INLET HOLES The primary air inlet holes allow the proper amount of air to mix with the gas This provides a clean burning flame Keep these holes clear of dust dirt lint and pet hair Clean these air inlet holes prior to each heating season Blocked air holes will create soot We 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 tubes and pilot assembly clean and free of dust and dirt To
28. TE CONTROL ACCESSORIES 4 LOCAL GODES tatit dte ee euet ef eee redan 4 UNPAGKING 5 5 2 2 te EE EE nog dese heheh 4 PRODUCT FEATURES 2 netto 5 AIR FOR COMBUSTION AND VENTILATION 5 INSTALLATION iiie citro nee e Ei e es 8 OPERATING HEATER 17 INSPECTING 22 CLEANING AND MAINTENANCE eene 23 SAFETY INFORMATION A WARNINGS TROUBLESHODOT ING nieder 24 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB 27 SPECIFICATIONS neger CREDE 28 WIRING DIAGRAM esee 28 SERVICE HINTS cit eoe eer Rs 28 TECHNICAL SERVICE 28 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 29 REPLACEMENT PARTS 34 ACCESSORIES xit eddie Ae tta 34 OWNER S REGISTRATION FORM 35 IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or ser vice this heater Improper use of this heater can cause property damage and serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning 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 p
29. USTRATED PARTS BREAKDOWN Logs ILLUSTRATED PARTS BREAKDOWN LOGS Log Set for Models VRL24NT VRL24PT VRL24NR VRL24PR PART NUMBER FOR VRL24NT VRL24PT VRL24NR VRL24PR 110020 01 110103 01 110105 01 110105 02 110105 03 110105 04 110104 01 Por J dene 09 Visit www desatech com 110021 01A VRL30NT VRL30PT VRL30NR VRL30PR 110020 02 110103 01 110106 01 110106 02 110106 03 110106 04 110104 01 CSG3924NT CSG3924PT CSG3924NR CSG3924PR CTB3924NT CTB3924PT CTB3924NR CTB3924PR 110020 03 110103 01 110107 01 110107 02 110107 03 110107 04 110104 01 Log Set for Models CSG3924NT CSG3924PT CSG3924NR CSG3924PR CTB3924NT CTB3924PT CTB3924NR and CTB3924PR DESCRIPTION Log Set Log Ember Bed Log Right Front Log Left Front Log Back Log Right Crossover Log Left Crossover DESA ILLUSTRATED PARTS BREAKDOWN Thermostat Controlled VRL24NT VRL24PT VRL30NT VRL30PT CSG3924NT CSG3924PT CTB3924NT CTB3924PT ILLUSTRATED PARTS BREAKDOWN THERMOSTAT CONTROLLED VRL24NT VRL24PT T VRL30NT VRL30PT 29 CSG3924NT CSG3924PT CTB3924NT CTB3924PT 110021 01A PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 34 of this manual THERMOSTAT
30. Y READ EN BEFORE LIGHTING WARNING If you do notfollow these instructions exactly a fire or explosion may result causing prop erty damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire de partment C Useonly your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service techni cian or gas supplier Force or attempted repair may result in a fire or explosion D Donotuse this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water EN LIGHTING INSTRUCTIONS WARNING If fireplace has glass doors never operate this heater with glass doors closed If you operate heater with doors closed hea
31. all of fireplace If not drafting may cause pilot outage or sooting Use a LOG SIZING REQUIREMENTS heat resistant sealant Do not seal chimney flue Log Minimum Firebox damper Size Height Depth Front Rear Width Width 24 17 14 28 20 1 4 30 17 14 34 122 Measured at 14 depth juri For more information visit WWW 110021 01A INSTALLATION Installation and Clearances For Vent Free Operation Cont INSTALLATION Continued 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 com bustible material and wall should follow diagram in Figure 4 Example The face of a mantel bookshelf etc is made of combustible material and protrudes 3 2 from the wall This combustible material must be 4 from the side of the fireplace cabinet see Figure 4 Note When installing your gas logs into a manufactured firebox follow firebox manufacturer s instructions for minimum clear ances to combustible materials B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches 1121 4 10 2 8 3 4 7 51 4 31 2 13 4 7 8 7 16 Example INCHES
32. 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 Not Shown For all models A care and maintenance video is available by calling 1 866 672 6040 lt 110021 01 OWNER S REGISTRATION FORM In order to provide better customer service for this and future purchases we recommend that you register your product with us You can register online at www desatech com If access to our website is not available to you please complete this Owner s Registration Form and mail to the address on the back of this owner s manual Please provide the following product information Brand Comfort Glow Vanguard etc Model EFP33PR VTGH33NR etc Date Purchased Note Keep receipt for warranty verification Serial Number 17 0 9 digit number located on product or identification tag First Name Last Name Address City State Zip Country Home Phone E Mail Please answer the following questions to register your product with DESA International 1 Where will the product be used O Living Family Room Office Warehouse Utility Shed Outbuilding Garage Bedroom Bathroom Other If you bought this product yourself did you plan to purchase this type of product before going into the store Yes No Who selected the product Male O Female O Both
33. ase panel of log set Nut is located behind base panel 4 Broken ignitor cable 4 Replace ignitor cable 5 Bad piezo ignitor 5 Replace piezo ignitor 6 Ignitor electrode positioned wrong 6 Replace pilot assembly 7 Ignitor electrode broken 7 Replace pilot assembly When ignitor button is pressed there is 1 Gas supply turned off or equipment 1 Turn on gas supply or open equipment spark at ODS pilot but no ignition shutoff valve closed shutoff valve 2 Control knob not in PILOT position 2 Turn control knob to PILOT position 3 Control knob not pressed in while in 3 Press in control knob while in PILOT PILOT position position 4 Airin gas lines when installed 4 Continue holding down control knob Repeat igniting operation until air is removed 5 Depleted gas supply propane LP only 5 Contact local propane LP gas 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 correct 7 Replace gas regulator ODS pilot lights but flame goes out when 1 Control knob not fully pressed in Press in control knob fully control knob is released 2 Control knob not pressed in long enough 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Safety interlock system has been 3 Waitone minute for safety interlock sys triggered Termostat Controlled Models tem to reset Repeat ignition operation only 4 Equipment shutoff valve not fully open 4 F
34. atterns Altered burner patterns can cause sooting A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Natural and Propane LP Gas Natural and Propane LP gases are odorless An odor making agent is added to the gas The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all warnings Keep this manual forreference Itis your guide to safe and proper operation of this heater A WARNING Any change to this heater or its con trols can be dangerous A WARNING Do not use a blower insert heat exchanger insert or other accessory not approved for use with this heater A WARNING This appliance is for installation only in a solid fuel burning fireplace or approved ventless firebox enclosure Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Do not place clothing or other flammabl
35. be Primary Air Inlet Holes Figure 41 Injector Holder On Outlet Burner Tube Rear Burner Ports Slots Injector Holder Injector _ Holder Primary Air Inlet Holes YELLOW FLAME BLUE FLAME CTB Models VRL and CSG Models Figure 42 Injector Holder On Outlet Burner Tubes Front and Middle Burners Primary Air Inlet Holes Pilot Air Inlet Hole Figure 43 Pilot Inlet Air Hole LOGS If you remove logs for cleaning refer to Installing Logs pages 15 and 16 to properly replace logs Replace log s if broken or chipped dime sized or larger DESA TROUBLESHOOTING TROUBLESHOOTING Note For additional help visit DESA International s technical service web site at www desatech com Note All troubleshooting items are listed in order of operation A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed there 15 1 Ignitor electrode not connected to igni 1 Reconnect ignitor cable spark at ODS pilot tor cable 2 Ignitor cable pinched or wet 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Piezo ignitor nut is loose 3 Tighten nut holding piezo ignitor to b
36. clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry com pressed air in a can You can use a vacuum cleaner in the blow position If using compressed air in a can please follow the direc tions 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 burners pilot and primary air inlet holes on injector holder for dust and dirt see Figures 41 or 42 3 Blow air through the ports slots and holes in the burners Check the injector holders located at the end of the burner tubes again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the injector holders 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 assembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 43 With the unit off lightly blow air through the airinlet hole You may blow through a drinking straw if compressed air is not available Por J dene 098 Visit www desatech com 110021 01A Injector Holder NT Burner Tu
37. e Figure 33 Pilot Propane LP Figure 34 Pilot Natural TO TURN OFF GAS TO APPLIANCE fl Shutting Off Heater 1 Turn control knob clockwise to the OFF position 2 rear burner control knob clockwise NW to the OFF position 3a Set selector switch in the OFF position 3b If Using Optional Hand Held Remote Set selector switch in the OFF position to prevent 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 Turncontrol knob clockwise N to the PILOT position 2 Turn rear burner control knob clockwise NW to the OFF position 3 Useremote control manual OFF button 4 Setselector switch in the OFF position BE MANUAL LIGHTING PROCEDURE 1 Followsteps 1 through 6 under Lighting Instructions page 20 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 9 through 12 Lighting Instructions column 1 desatech com E 110021 01A OPERATING HEATER REMOTE READY MODELS OPTIONAL REMOTE OPERATION OPERATING HEATER Continued OPTIONAL REMOTE OPERATION Note All remote control accessories must be purchased sepa rately see Accessories page 34 Follow instructions included with the remote control Thermostat Control Operation Optional GHRCTA Series Onl
38. e material on or near the appliance Never place any objects on the heater Heater base assembly becomes very hot when run ning heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shutdown Allow surface to cool before touching Carefully supervise young children when they are in the room with heater When using the hand held remote accessory Remote Ready Models Only keep selector switch in the OFF position to prevent chil dren from turning on burners with remote You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heater Keep the appliance area clear and free from combus tible materials gasoline and other flammable vapors and liquids For more information visit www desatech com 110021 01A SAFETY INFORMATION SAFETY INFORMATION Continued 1 This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Do not place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors 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 inst
39. es Operation 2b Press the AUTO ON OFF button on the hand held remote control see Figure 36 The lights to the left of the button will show AUTO ON or OFF In the ON mode the burners will ignite The heater is in manual mode when ON is lit Por more information visit www desatech com 110021 01A In the AUTO mode the thermostat in the hand held re mote unit controls the room temperature To increase the room temperature press the top arrow of the TEMP but ton To lower the room temperature press the bottom ar row of the TEMP button At higher settings the heater will run longer IMPORTANT This remote control has been specially en gineered to take an air temperature sample every 5 5 min utes in the auto mode It will not respond immediately to the temperature setting being turned up or down IMPORTANT The hand held remote control unit must be near the heater Do not keep the hand held remote control unit too close to the heater The thermostat on the hand held remote control unit will heat up too quickly and turn the heater off 3 turn the burner off press the AUTO ON OFF button un til OFF lights The pilot will remain lit IMPORTANT To turn the pilot off manually turn the con trol knob on the heater to the OFF position Control Knob Rear Burner Control Knob Selector Ignitor Button Switch Figure 35 Control Knobs Selector Switch and Ignitor Button Locations for Remote Operation Increa
40. f front burner and behind middle burner Ember bed will sit on top of front and middle burners see Figure 20 2 Place log 2 to the right of log 1 Log 2 will wrap around right end of rear burner and sit on two log alignment screws see Figure 21 3 Place log 3 on left side of base and onto alignment screw shown in Figure 21 to left of rear burner Log 3 will wrap around left end of rear burner 4 Place log 4 onto two alignment screws to the rear of base see Figure 22 5 Place log 5 over knob on log 4 and across back part of log 1 and touch log 2 see Figure 23 6 Place log 6 onto two pin on log 1 ember bed and rest back of log 6 on back log 4 see Figure 23 Figure 23 Installing Log 5 Right and Log 6 Left Figure 20 Installing Log 1 Ember Bed Model SGINE SHA gn gre iron Model CSG3924NR Shown Por lyre information visit www desatech com DESA 110021 01A INSTALLATION Installing Logs Cont INSTALLATION Continued Models VRL24NR VRL24PR VRL30NR VRL30PR VRL24NT VRL24PT VRL30NT and VRL30PT 1 Place log 1 ember bed onto base over log alignment screws to the left of front burner and behind middle burner Log 1 will sit on top of front and middle burners see Figure 24 Place log 2 to right of log 1 and onto two log alignment screws as shown in Figure 25 Log 2 will wrap around right end of rear burner see Figure 25 Place log 3 on left side of base and
41. ght on 30 models only to base by placing tabs into base slots Use supplied screws 2 to secure extension plates to base see Figure 12 4 Place heater base in fireplace 5 Place logs in their proper position on heater base see Installing Logs pages 15 and 16 6 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 one hole on each side of the mounting bracket see Figure 13 If installing in a brick bot tom fireplace mark screw locations in mortar joint of bricks 9 Remove heater base from fireplace If installing optional con trol accessories do so at this time Follow all directions pro vided with accessory 10 Drill holes at marked locations using 3 16 drill bit 11 Attach base assembly to fireplace floor using two masonry screws in hardware package Screw a Extension Plate Figure 12 Attaching Extension Plates to Base Assembly 30 Model Only Mounting Flange Masonry Screw Figure 13 Attaching Base Assembly to Fireplace Floor 30 Model Shown For more information visit www CONNECTING TO GAS SUPPLY WARNING This appliance requires 1 2 NPT National Pipe Thread inlet connection to the pres sure regulator A WARNING A qualified service person must con nect heater to gas supply Follow all local codes A CAUTION For propane LP gas never
42. h when connecting it to gas piping and or fittings Thermostat Controlled Mod els Only A CAUTION Avoid damage to gas control Hold gas control with wrench when connecting it to gas piping and or fittings Remote Ready Models Only External Regulator Propane LP Supply Tank Vent Pointing Down Figure 14 External Regulator With Vent Pointing Down mors iion 110021 01A lation visit www desatech com CSA Design Certified Equipment PROPANELLP Shutoff Valve With 1 8 NPT Tap From External Regulator bon C Approved Flexible Pressure Gas Hose if allowed by local codes NATURAL From Gas Meter 03 Minimum IC 5 W C to 10 5 W C PPS Gas Regulator Tee Cap Pipe Joint Nipple Sediment Trap Figure 15 Gas Connection Thermostat Controlled Models Only CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap PROPANE LP From External Regulator 11 W C to 14 W C Pressure Approved Flexible Gas Hose if allowed by local codes NATURAL From Gas Meter 5 W C to 10 5 W C Pressure Tee Joint Nipple Cap Gas Control Valve Sediment Trap Figure 16 Gas Connection Remote Ready Models Only Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 34 Minimum inlet pressure for purpose of input adjustment DESA INSTALLATION Checking Gas
43. ice Injector Middle T Stat Cover Plate Remote Cover Plate Thermobulb Clip Gas Regulator Propane LP Gas Regulator Natural Thermostatic Gas Valve Kit Manual Control Valve Control Knob Valve Retainer Nut Log Alignment Screw Cast Iron Grate Extension Plate Left Side Extension Plate Right Side Warning Plate Lighting Instructions Plate Caution Decal Lava Rock GMA onan on np nnn nnn nnn psp in DESA ILLUSTRATED PARTS BREAKDOWN Remote Ready Models VRL24NR VRL24PR VRL30NR VRL30PR CSG3924NR CSG3924PR CTB3924NR CTB3924PR ILLUSTRATED PARTS BREAKDOWN REMOTE READY VRL24NR VRL24PR VRL30NR VRL30PR 29 CSG3924NR CSG3924PR CTB3924NR CTB3924PR Natural Gas Models Only For more information visit Wwwidesatech com 110021 01A PARTS LIST REMOTE READY KEY VRL24NR NO CSG3924NR 110097 01 110061 04 110061 01 102843 01 110063 02 110063 01 108105 01 107110 01 103779 01 108135 01 099387 14 099387 15 110093 03 097159 04 098271 10 099056 18 101004 02 101004 11 108692 04 098265 02 M12461 26 099918 02 103781 03 108106 01 099393 03 098508 01 103284 03 108111 01 103784 01 108631 01 103587 02 099998 01 100563 01 103877 04 100639 03 GA6060 mors information visit www desatech com 110021 01A PARTS LIST Remote Ready Models VRL24NR VRL24PR VRL30NR VRL30PR CSG3924NR CSG
44. ied installer service agency orthe gas supplier WARNING This appliance is for installa tion only in a solid fuel burning masonry or UL 127 factory built fireplace or in an ap proved ventless firebox It is design certi fied for these installations in accordance with ANSI Z21 11 2 Exception Do not in stall this appliance in a factory built fire place that includes instructions stating it has not been tested or should not be used with unvented gas logs For unmarked fac tory builtfireplaces contactfireplace manu facturer if unsure of this application WARNING This is an unvented gas fired heater It uses air oxygen from the room in which itis installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 5 of this manual This appliance may be installed in an aftermarket permanently located 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 DESA TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION annnnnnnnnnnnnnnnnnnennnnnnnenrnnnnnnnnnnnnennnnnnnennnnr 2 PRODUCT IDENTIFICATION rennen 4 OPTIONAL REMO
45. igure 44 2 Gently pull thermostat sensing bulb free from the retaining clamp IMPORTANT Do not force or bend the thermostat sensing bulb or capillary 3 The thermostat sensing bulb may be located to the lower right front side of fireplace Determine location of sensing bulb but do not mount sensing bulb until step 4 If you have a masonry fireplace see Figure 46 for location If you have a factory built metal fireplace see Figure 47 for location If your fireplace has glass doors position sensing bulb directly behind door gap on right bottom side see Figure 48 4 The mounting clip must be a minimum of 3 from bottom of fireplace to prevent crimping of capillary Once you have de cided on a location clean the area thoroughly Remove the pa per backing from the adhesive on back of mounting clip Press the clip into the new location so that the thermostat sensing bulb will be positioned vertically with the capillary at the bottom see Figure 49 Slide the thermostat sensing bulb into the clip IMPORTANT Do not crimp capillary Gas Valve Thermostat Sensing Bulb Assembly Retaining Clamp Figure 44 Location of Gas Valve Assembly and Thermostat Sensing Bulb Por mora information visit www desatech com 110021 01A 4 Figure 45 Adhesive backed Mounting Clip p RQ Z Thermostat Sensing Bulb m Adhesive backed Mounting Clip Figure 46 Locating Thermostat Sensing Bulb on Ma
46. ired size of ventilation grills or ducts Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two permanent openings one within 12 of the 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 I 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 mors iion 110021 01A lation visit www desatech com AIR FOR COMBUSTION AND VENTILATION Ventilation Air Ventilation Grills Ventilation Grills Into Adjoining Or Into Adjoining Room DE Option 2 ption 1 Door into SS Adjoining Room Option O 3 E N B Figure 2 Ventilation Air from Inside Building ALEAN Outlet Hilts Air i Outlet fj Air i To Attic To Crawl ES Inlet Air Ventilated Inlet Air Crawl Space Figure 3 Ventilation Air from Outdoors DESA INSTALLATION Check Gas Type Installation and Clearances For Vent Free Operation INSTALLATION NOTICE This heater is intended for use as supple mental
47. low For Heater Loca tion page 6 Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as aspace whose volume is notless 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 doorless passageways or ventilation grills between them DESA AIR FOR COMBUSTION AND VENTILATION Determining Fresh Air Flow For Heater Location AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space Space Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft
48. n 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 34 This willinsure vented operation see Figure 10 The damper clamp will keep damper open Installation instructions are included with clamp accessory See chart below for minimum permanent flue opening you must provide Attach damper clamp so the minimum permanent flue opening will be maintained at all times Area of Various Standard Round Flues Diameter ins Area sq ins 5 20 sq inches e 29 sq inches 7 39 sq inches 8 51 sq inches Chimney Minimum Permanent Height ft Flue Opening sq ins 6 to 15 39 sq inches 15 to 30 29 sq inches SS S SK Damper Clamp Damper Damper Damper Masonry Fireplace Manufactured Fireplace Figure 10 Attaching Damper Clamp mors information visit www desatech com 110021 01A INSTALLING HEATER BASE ASSEMBLY A WARNING You must secure this heater to fire place 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 spe cial care is needed You must raise the fireplace floor to allow access to heater control panel This will insure adequate air flow and g
49. ndles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls or cause odors tion of this appliance in a vented configuration Check your state or local codes IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough venti lation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 5 through 7 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 fireplace Call dealer where you bought fireplace for proper type fireplace INSTALLATION AND CLEARANCES FOR VENT FREE OPERATION A WARNING Make sure the selector switch is in the OFF position before installing heater Remote Ready Models Only A WARNING Before installing in a solid fuel burn ing fireplace the chimney flue and firebox must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner Creosote will ignite if highly heated A dirty chimney flue may create and distribute soot within the house Inspect chimney flue and firebox for damage If damaged repair flue damper before operating heater A WARNING Maintain the minimum clearances If possible provide greater clearances from floor ceil ing and adjoining wall A WARNING Seal any fresh air vents or ash clean out doors located on floor or w
50. ney damper if you have one fully or partially to release some of the heat AX WARNING Damper handle will be hot if heater has been running 1 STOP Read the safety information in column 1 2 Make sure equipment shutoff valve is fully open 3 Set switch in OFF position A WARNING Burner will come on automatically within one minute when the remote selector switch is in the ON position after the pilot is lit 4 Press in and turn control knobs clockwise KC CX to the OFF position 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Fol low B in the safety information column 1 If you don t smell gas go to the next step 6 Press in and turn control knob counterclockwise to the PILOT position Press in control knob for five 5 seconds see Figure 32 page 20 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 al low air to bleed from the gas system DESA OPERATING HEATER REMOTE READY MODELS Lighting Instructions Cont To Turn Off Gas To Appliance Manual Lighting Procedure OPERATING HEATER Continued 7 With control knob pressed in press and release ignitor but ton This will light pilot The pilot is attached to the front burner If needed keep pressing ignitor button until pilot lights
51. noncombustible material is less than 12 you must install the fireplace hood accessory Even if noncom bustible 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 10 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Go to Install ing Damper Clamp Accessory for Vented Operation page 11 Noncombustible Material Distance A 12 or more Between 8 and 12 Requirements for Safe Installation Noncombustible material OK 24 or 30 Models Install fireplace hood accessory GA6050 GA6052 or GA6053 see Accessories page 34 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 Less than 8 Heat Resistant gt Material Figure 5 Heat Resistant Material Slate Marble Tile etc Above Fireplace DESA INSTALLATION Mantel Clearances Floor Clearances INSTALLATION Continued 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 Clearance If you meet minimum clearance between mantel shelf and
52. not function 1 Battery is not installed Battery power is low 1 Replace 9 volt batteries in receiver and remote control Heater produces a clicking ticking noise just after burners are lit or shut off 1 Metal expanding while heating or con tracting while cooling This is common with most heaters If noise is excessive contact qualified ser vice person Heater produces unwanted odors WN Heater burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT state ment above Low fuel supply propane LP only Gas leak See Warning statement at top of page WN Open window to ventilate room Stop us ing odor causing products while heater is running Refill supply tank propane LP only Locate and correct all leaks see Check ing Gas Connections page 14 Heater shuts off in use ODS operates Not enough fresh air is available Low line pressure ODS pilot is partially clogged Open window and or door for ventilation Contact local natural or propane LP gas company Clean ODS pilot see Cleaning and Maintenance page 23 Gas odor even when control knob is in OFF position Gas leak See Warning statement at top of page Control valve defective Locate and correct all leaks see Check ing Gas Connections page 14 Replace control valve Gas odor during combustion Foreign matter be
53. ovides an unconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building page 7 Vent room directly to the outdoors See Ventilation Air From Out doors page 7 Install a lower Btu Hr heater 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 unconfined space You will need no additional fresh air ventilation A WARNING If the area in which the heater may be operated is smaller than that defined as an uncon fined space or if the building is of unusually tight construction provide adequate combustion and ven tilation air by one of the methods described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 Sec tion 5 3 or applicable local codes For more information visit WWW 110021 01 AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options 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 I NFPA 54 Section 5 3 Air for Combustion and Ventilation for requ
54. r local codes Use pipe of 1 2 diam eter or greater to allow proper gas volume to heater If pipe is too small undue loss of volume will occur esarech com 110021 01A INSTALLATION Connecting To Gas Supply Cont INSTALLATION Continued 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 15 or 16 depending on your model IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to the appliance Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves A WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas We recommend that you install a sediment trap in supply line as shown in Figure 15 or 16 depending on your model Locate sediment trap where it is within reach for cleaning Install in piping system between fuel supply andheater Locate sedimenttrap where trapped matteris not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly A CAUTION Avoid damage to regulator Hold gas regulator with wrenc
55. rner control knob counterclockwise y to the ON position A CAUTION Do not try to adjust heating levels by using the equipment shutoff valve For more information visit WWW di Control Knob Ignitor Button Rear Burner Control Knob Models CSG3924NT CSG3924PT VRL24NT VRL24PT VRL30NT and VRL30PT Figure 29 Control Knob s and Ignitor Button Locations Ignitor Electrode Pilot Burner Ignitor Electrode Pilot Burner Thermocouple Thermocouple Figure 30 Pilot Propane LP Figure 31 Pilot Natural TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1 Turn control knob clockwise to the OFF position 2 Turn rear burner control knob clockwise N to the OFF position Shutting Off Burners Only pilot stays lit 1 Turncontrol knob clockwise to the PILOT position 2 Turn rear burner control knob clockwise NW to the OFF position a mor 110021 01 OPERATING HEATER THERMOSTAT CONTROLLED MODELS Thermostat Control Manual Lighting Procedure OPERATING HEATER REMOTE READY MODELS For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER Continued DE THERMOSTAT CONTROL GE LIGHTING INSTRUCTIONS BE OPERATION The thermostat control knob can be set to any comfort level between HI and LO The thermostat will gradually modulate the heat output and flame height from higher to lower settings or pilot in order to
56. ructions 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 Installing Damper Clamp Accessory for Vented Operation page 11 Remote Ready Models Only 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 ig nite if highly heated Inspect chimney flue for damage If dam aged repair flue damper before operating heater 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 fire place opening has vents at the bottom you must open the vents before operating heater To prevent the creation of soot follow the instructions in Clean ing and Maintenance page 23 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these prod ucts may create a white powder residue within burner box or on adjacent walls and furniture Por nora information visit www desatech com 110021 01A 10 11 12 13 14 15 16 17 18 19 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
57. ses Room Shows EN Temperature in Temperature GARNER AUTO Mode Setting FEN Decreases Room Temperature in AUTO Mode oi pd Turns Burners On or Off and The Log Heater will Automatically Cycle between Pilot and the Heat Setting that has been Selected Allows You to Choose the Auto Setting Figure 36 Thermostat Hand Held Remote Control Unit Selections GHRCTA Only INSPECTING BURNERS Pilot Flame Pattern Burner Flame Patterns INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 37 shows a correct pilot flame pattern Figure 38 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the thermocouple 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 38 turn heater off see To Turn Off Gas to Appliance page 18 Ther mostat Controlled Models or page 20 Remote Ready Models see Troubleshooting pages 24 through 26 Note The pilot flame on natural gas units will have a slight curve but the flame should be blue and have no yellow or orange color Pilot Burner Thermocouple Pilot Burner Thermocouple Natural Gas Propane LP Gas Figure 37 Correct Pilot Flame Pattern Your pilot may vary from pilots shown Thermocouple Pilot Burner Natural Gas Thermocouple Propane LP Gas
58. sonry Fireplace Thermostat Sensing Bulb Adhesive backed Mounting Clip Figure 47 Locating Thermostat Sensing Bulb on Factory built Metal Fireplace Thermostat Sensing Bulb L Adhesive backed Mounting Cli Glass Ber Door Figure 48 Installing Thermostat Sensing Bulb Behind Glass Doors Thermostat Sensing Bulb id Adhesive backed Mounting Clip Capillary Do Not Crimp Figure 49 Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom DESA SPECIFICATIONS WIRING DIAGRAM REMOTE READY MODELS ONLY SERVICE HINTS TECHNICAL SERVICE SPECIFICATIONS 24 Thermostat Controlled 30 Thermostat Controlled Btu Variable 10 000 40 000 10 000 40 000 10 000 40 000 10 000 40 000 Type Gas Propane LP Natural Propane LP Natural Ignition Piezo Piezo Piezo Piezo Manifold Pressure 7 4 W C 3 0 W C 7 4 W C 3 0 W C Inlet Gas Pressure in of water Maximum 14 10 5 14 10 5 Minimum 11 3 11 5 Shipping Weight 30 Ibs 30 Ibs 34 Ibs 34 Ibs Certified Standards Z21 11 2 2000 Z21 11 2 2000 Z21 11 2 2000 Z21 11 2 2000 For purpose of input adjustment 24 Remote Ready 30 Remote Ready Btu Variable 10 000 40 000 10 000 40 000 10 000 40 000 10 000 40 000 Type Gas Propane LP Natural Propane LP Natural Ignition Piezo Piezo Piezo Piezo Manifold Pressure 8 0 W C 3 0 W C 8 0 W C 3 0 W C Inlet Gas Pressure in of water Ma
59. t buildup inside fire place will cause glass to burst Also if fireplace opening has vents at the bottom you must open the vents before operating heater Youmust 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 burn ing logs will give off a paper burning smell Orange flame will also be present Open damper or window to vent smell This will only last a few hours Por mors infor 110021 01A ition visit www desatech com DESA OPERATING HEATER THERMOSTAT CONTROLLED MODELS Lighting Instructions Cont To Turn Off Gas To Appliance OPERATING HEATER Continued 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 WARNING Damper handle will be hot if heater has been running STOP Read the safety information on page 17 column 2 Make sure equipment shutoff valve is fully open Turn control knob clockwise 7N to the OFF position Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Fol low B in
60. t 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 27 For more information visit WWW RECEIVER AND HAND HELD THERMOSTAT REMOTE CONTROL KIT GHRCTA For all Remote Ready Models Allows the gas log heater to be operated in a manually or thermostatically controlled mode You can turn the gas log heater on and off without ever leaving the comfort of your easy chair RECEIVER AND HAND HELD REMOTE CONTROL KIT GHRC For all Remote Ready Models Allows the gas log heater to be turned on and off by using a hand held remote control 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 DAMPER CLAMP GA6080 Not Shown For Remote Ready Models Permanently opens chimney flue damper for vented operation LAVA ROCK GA6060 Not Shown For all models Order when additional rock is desired 3 Ib bag CLEANING KIT CCK GCK Not Shown For all models Your vent free gas appliance requires regular cleaning
61. the heater if enough fresh air is not available See Air for Combustion and Ventilation pages 5 through 7 If heater keeps shutting off see Trouble shooting pages 24 through 26 Do not run heater where flammable liquids or vapors are used or stored under dusty conditions Do not use this heater to cook food or burn paper or any other type of sold fuels Do not use heater if any part has been exposed to or under water Immediately call a qualified service technician to in spect 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 re pairing Make sure the selector switch is in the OFF position Remote Ready Models Only Only a qualified service per son should install service or repair heater Make sure the selector switch is in the OFF position when you are away from home for long periods of time Remote Ready Models Only Remote ready heaters do not need to be connected to any ex ternal electrical source Operating heater above elevations of 4 500 feet may cause pi lot outage To prevent performance problems with propane LP models do not use propane LP fuel tank of less than 100 Ib capacity Provide adequate clearances around air openings DESA PRODUCT IDENTIFICATION OPTIONA
62. the safety information page 17 column 2 If you don t smell gas go to the next step 5 Turn control knob counterclockwise A to the PILOT position Press in control knob for five 5 seconds see Figure 29 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 al low air to bleed from the gas system FSS 6 With thermostat control knob pressed in press and release ignitor button This will light pilot The pilot is attached to the front burner If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure on page 19 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 3 through 7 This heater has a safety interlock system Wait one 1 minute for sys tem to reset before lighting pilot again 8 Turn control knob counterclockwise 57 to desired heating level The front burner should light Set control knob to any heat level between HI and LO 9 To light the rear yellow flame burner push in and turn rear bu
63. tween control valve and burner Gas leak See Warning statement at top of page Take apart gas tubing and remove for eign matter Locate and correct all leaks see Check ing Gas Connections page 14 Log set cycles to pilot but room tempera ture drops to a lower than ideal level before log set comes back on Thermostat Con trolled Models Only Thermostat sensing bulb needs to be repositioned For more information visit WWW d Reposition thermostat sensing bulb see Instructions for Optional Positioning of Thermostat Sensing Bulb page 27 ave ChyGom 110021 01A OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB THERMOSTAT CONTROLLED MODELS ONLY 27 For Masonry and Factory Built Metal Fireplace OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB THERMOSTAT CONTROLLED MODELS ONLY FOR MASONRY AND FACTORY BUILT METAL FIREPLACE If your log set cycles to pilot but the room temperature drops to a lower than ideal comfort level before the log set comes back on you may want to reposition the thermostat sensing bulb The thermostat sensing bulb is located on the left side of the base assembly This location allows the thermostat to keep the room temperature at an ideal comfort level for most fireplace applica tions For positioning the thermostat sensing bulb elsewhere an adhesive backed mounting clip is available 1 Locate the gas valve assembly and thermostat sensing bulb see F
64. uard against sooting and con trols being damaged Raise fireplace floor with noncom bustible material Make sure material is secure A CAUTION Do not pick up heater base assembly by burners This could damage heater Only handle base assembly by sides of base IMPORTANT Make sure the heater burners are level If heater is not level heater will not work properly For thermostat models avoid damage to thermostat bulb Avoid nicks or sharp bends in thermostat bulb wire Keep thermostat bulb in mounting bracket until ready to mount base to floor See Optional Positioning of Thermostat Sensing Bulb page 27 Installation Items Needed hardware package provided with heater approved flexible gas hose and fitting not provided if allowed by local codes sealant resistant to propane LP gas not provided electric drill with 3 16 drill bit metal or masonry as applicable flathead screwdriver 1 Connect fitting to base as shown in Figure 11 Connect approved flexible gas hose to fitting in base see Figure 11 IMPORTANT Hold gas fitting with wrench when connecting flexible gas hose Flexible Gas Hose if allowed by local codes Fitting Figure 11 Attaching Flexible Gas Hose to Heater DESA INSTALLATION Installing Heater Base Assembly Cont Connecting To Gas Supply INSTALLATION Continued 2 Locate two masonry screws in hardware package 3 Attach extension plates left and ri
65. ully open equipment shutoff valve 5 Pilot flame not touching thermocouple 5 A Contact local natural or propane LP which allows thermocouple to cool gas company causing pilot flame to go out This prob lem could be caused by one or both of B Clean ODS pilot see Cleaning and the following Maintenance page 23 or replace ODS A Low gas pressure pilot assembly B Dirty or partially clogged ODS pilot 6 Thermocouple connection loose at con 6 Hand tighten until snug then tighten trol valve 1 4 turn more 7 Thermocouple damaged 7 Replace pilot assembly 8 Control valve damaged 8 Replace control valve For more information visit www ave ChyGom 110021 01A TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY One or more burners do not light after ODS 1 Inlet gas pressure is too low 1 Contact local natural or propane LP gas pilot is lit company 2 Burner orifice s clogged Mislocated crossover tube 4 Thermopile leads disconnected or im properly connected Remote Ready Models Only 5 Burners will not come on in remote po sition Remote Ready Models Only 2 Clean burner s see Cleaning and Mainte nance page 23 or replace burner orifice s 3 Contact qualified service person 4 Reconnect leads see Wiring Diagram page 28 5 Replace battery in transmitter and receiver Delayed ignition of one or more burners 1 Manifold pressure is too low 2
66. ution Decal Lava Rock This list contains replaceable parts used in your heater When ordering parts follow the instructions listed nn nn Ronn nnn nnn nnn pppoe nn nin nin i DESA REPLACEMENT PARTS ACCESSORIES REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Technical Service Department at 1 866 672 6040 When calling DESA International have ready your name your address model and serial numbers of your heater how heater was malfunctioning type of gas used propane LP or natural gas purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International at 1 866 672 6040 for referral information When calling DESA International have ready model number of your heater the replacement part number ACCESSORIES Purchase these heater accessories from your local dealer If they can not supply these accessories call DESA International at 1 866 672 6040 for referral information You can also write to the address listed on the back page of this manual EQUIPMENT SHUTOFF VALVE GA5010 For all models Equipmen
67. ximum 14 10 5 14 10 5 Minimum 11 37 11 5 Shipping Weight 30 Ibs 30 Ibs 34 Ibs 34 Ibs Certified Standards Z21 11 2 2000 Z21 11 2 2000 Z21 11 2 2000 Z21 11 2 2000 Z21 60 1996 Z21 60 1996 Z21 60 1996 Z21 60 1996 CGA2 26 M96 CGA2 26 M96 CGA2 26 M96 CGA2 26 M96 For purpose of input adjustment WIRING DIAGRAM REMOTE READY MODELS ONLY Note For proper operation of optional accessories the wires from the switch to the control valve must be connected exactly as shown O D S PILOT THERMOPILE 34 Thermopile IGNITOR PILOT THERMOCOUPLE Thermocouple Wire Thermopile Wire Ignitor Cable THERMOCOUPLE CONNECTION PILOT VALVE SWITCH AUTO 2 o TPTH TP TH PIEZO gt Wire Harness For more information visit www 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 TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA International s Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA International s technical services web site at www desatech com NECO 110021 01A ILL
68. y The thermostat control set ting on the remote control unit can be set to any comfort level between WARMER and COOLER The burners will turn on and off automatically to maintain the comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heated the output of the central heating system etc For wall thermostat operation follow instruction supplied with thermostat accessory GWMT1 For wall switch operation follow instructions supplied with GWMS2 NOTICE You must light the pilot before using the hand held remote control unit See Lighting Instruc tions on pages 19 and 20 1 After lighting let pilot flame burn for about one minute Turn control knob to ON position Adjust flame adjust ment knob anywhere between HI and LO Slide the selec tor switch to the REMOTE position Note The burners may light if hand held remote ON button was on when se lector switch was last turned off You can now turn the burn ers on and off with the hand held remote control unit IMPORTANT Do not leave the selector switch in the RE MOTE position when the pilot is not lit This will drain the battery 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 GHRC Series Operation 2a Press the ON OFF button to turn the burners on and off When turning burners off the pilot will remain lit GHRCTA Seri
69. y lo cal natural or propane LP gas company 3 Observe minimum installation clear ances see pages 8 through 10 4 Clean burners see Cleaning and Main tenance page 23 White powder residue forming within burner box or on adjacent walls or furniture 1 When heated vapors from furniture pol ish wax carpet cleaners etc may turn into white powder residue 1 Turn heater off when using furniture polish wax carpet cleaners or similar products Moisture condensation noticed on windows Por nora information visit www desatech com 110021 01A 1 Not enough combustion ventilation air 1 Refer to Air for Combustion and Venti lation requirements page 5 DESA TROUBLESHOOTING TROUBLESHOOTING Continued WARNING If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department IMPORTANT Operating heater where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors These odors will disappear over time OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Remote does

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