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Desa B User's Manual

1. Thermostat Sensing Bulb Sensing Bulb FOr mors information visit www desatech 104415 THERMOSTAT CONTROLLED MODELS ONLY 27 For Masonry and Factory Built Metal Fireplace Uu e Figure 41 Adhesive backed Mounting Clip Thermostat Sensing Bulb Adhesive backed Mounting Clip Figure43 Locating Thermostat Sensing Bulb on Masonry Fireplace Thermostat Sensing Bulb Adhesive backed _ Mounting Clip Glass Doors Figure 45 Installing Thermostat Sensing Bulb behind Glass Doors Thermostat Sensing Bulb Screw Retaining Clamp Figure 42 Removing Thermostat Sensing Bulb Thermostat Sensing Bulb SS Adhesive SZ backed Mounting Clip ZG RS Figure 44 Locating Thermostat Sensing Bulb on Factory built Metal Fireplace Thermostat Sensing Bulb Adhesive backed Mounting Clip Capillary Do Not Crimp Capillary Figure 46 Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom ma DESA SPECIFICATIONS SPECIFICATIONS 18 Thermostat Controlled Btu Variable 16 000 26 000 Type Gas Propane LP Only Natural Ignition Piezo Manifold Pressure 7 9 W C 3 4 W C Inlet Gas Pressure in of water 24 Thermostat Controlled 20 000 33 000 Propane LP Only Natural Piezo 7 9 W C 3 4 W C 30 Thermostat Controlled 21 500 36 000 Propane LP Only Natural Piezo
2. 2 Ignitor cable pinched or wet 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Piezo ignitor nut is loose 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel 4 Broken ignitor cable 4 Replace ignitor cable 5 Bad piezo ignitor 5 Replace piezo ignitor 6 Ignitor electrode positioned wrong 6 Replace piezo ignitor 7 Ignitor electrode broken 7 Replace piezo ignitor 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 1 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 syst
3. Control Knob Figure 25 Control Knob and Figure 26 Pilot Ignitor Button Location satech com 104415 OPERATING HEATER THERMOSTAT CONTROLLED MODELS To Turn Gas Off To Appliance 1 7 Thermostat Control Operation Manual Lighting Procedure OPERATING HEATER MANUALLY CONTROLLED MODELS OPERATING HEATER Continued A CAUTION Do not try to adjust heating levels by using the equipment shutoff valve NEN TO TURN OFF GAS TO APPLIANCE Bl Shutting Off Heater Turn control knob clockwise w to the OFF position Shutting Off Burners Only pilot stays lit Turn control knob clockwise w to the PILOT position a THERMOSTAT CONTROL HEN 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 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 EN MANUAL LIGHTING PROCEDURE NNI 1 Followsteps 1 through 5 under Lighting Instructions page 16 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 co
4. Remote Ready Models Only Thermopile SERVICE HINTS When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat propane LP gas supply may be low You may feel your gas pressure is too low If so contact your local propane LP or natural gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA International s Technical Service Department at 1 866 672 6040 You can also visit DESA International s technical services web site at www desatech com Por mors di 104415 ormation visit www desatech 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
5. Remote does not function Remote Ready Models Only 1 Battery is not install 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 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 W 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 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 13 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 or gas control defective Locate and correct all leaks see Check ing Gas Connections page 13 Replace control valve or gas cont
6. Sediment Trap Figure 17 Gas Connection Remote Ready Models Only Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 36 Minimum inlet pressure for purpose of input adjustment Por uors information visit www desatech com 104415 to 10 5 W C 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 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 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 2 Cap off open end of gas pipe where equipment shutoff valve was connected 3 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 4 Check all joints of gas supply piping system Apply noncorrosive leak detection flu
7. ma 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 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 required size of ventilation grills or ducts Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two permanent openings one within 12 of the 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 For more information visit WWW Ventilation Grills Ventilation Grills Into Adjoining Or Into Adj
8. 7 9 W C 3 4 W C Maximum 14 10 5 14 10 5 14 10 5 Minimum 11 5 11 5 11 5 Shipping Weight 26 Ibs 30 Ibs 34 Ibs For purpose of input adjustment 18 Variable 24 Variable 30 Variable Manually Controlled Manually Controlled Manually Controlled Btu Variable 16 000 26 000 20 000 33 000 21 500 36 000 Type Gas Propane LP Only Natural Propane LP Only Natural Propane LP Only Natural Ignition Piezo Piezo Piezo Manifold Pressure 7 9 W C 3 4 W C Inlet Gas Pressure in of water Maximum 14 10 5 Minimum 1 5 Shipping Weight 26 lbs For purpose of input adjustment 7 9 W C 3 4 W C 14 10 5 11 s 5 30 Ibs 7 9 W C 3 4 W C 14 10 5 11 5 34 Ibs 18 Remote Ready Btu Variable 16 000 26 000 Type Gas Propane LP Only Natural Ignition Piezo 7 9 W C 3 4 W C Inlet Gas Pressure in of water Manifold Pressure Maximum 14 10 5 Minimum 1 5 Shipping Weight 32 Ibs For purpose of input adjustment For more information visit WWW de 24 Remote Ready 20 000 33 000 Propane LP Only Natural Piezo 7 9 W C 3 4 W C 14 10 5 11 z 5 34 Ibs 30 Remote Ready 21 500 36 000 Propane LP Only Natural Piezo 7 9 W C 3 4 W C 14 10 5 11 5 36 Ibs tech com 104415 WIRING DIAGRAM REMOTE READY MODELS ONLY SERVICE HINTS TECHNICAL SERVICE REPLACEMENT PARTS WIRING DIAGRAM
9. Put remote selector in ON position Un dU 6 See Wiring Diagram page 29 Delayed ignition of one or both burners 1 Manifold pressure is too low 2 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 Main tenance page 23 or replace burner orifice 2 Replace damaged burner 3 Replace gas regulator Yellow flame in front burner during burner combustion 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 by lo
10. Cont To Tum Gas Off To Appliance Manual Lighting Procedure Optional Remote Operation OPERATING HEATER Continued 8 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 page 19 9 Slightly push in and turn control knob counterclockwise Kf to the ON position 10 Wait one minute and switch selector switch to the ON posi tion 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 Ignitor Electrode Ignitor Figure 30 Pilot Propane LP Figure 31 Pilot Natural BENE TO TURN OFF GAS TO APPLIANCE MEME Shutting Off Heater 1 Turn control knob clockwise N to the OFF position 2a Set selector 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 Burners Only pilot stays lit You may shut off the burner
11. For all Remote Ready Models Allows the gas log heater to be operated in a manually or thermostatically controlled mode You can turn the gas log heater on and off without ever leaving the comfort of your easy chair RECEIVER AND HAND HELD REMOTE CONTROL KIT GHRC For all Remote Ready Models Allows the gas log heater to be turned on and off by using a hand held remote control For more information visit ww Ni d 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 suchas 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
12. OPERATING HEATER eeennneenm meme nr rs nnn nr reser nnis 16 INSPECTING BURNERS ccccccceeeeeeceeeeeeccueeeeeccaeseeeeaaeees 22 CLEANING AND MAINTENANCE eene 23 SAFETY INFORMATION A WARNINGS TROUBLESHOOTING essent 24 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB ss 27 SPECIFIGCATIONS ntt ctt 28 WIRING DIAGRAM esee nennen 29 SERVICE HINTS rain trie eb v Ed 29 TECHNICAL SERVICE sse 29 REPLACEMENT PARTS seen 29 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 30 ACCESSORIES 1 t e elei 36 WARRANTY INFORMATION eee Back Cover IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or ser vice this heater Improper use of this heater can cause serious injury or death from burns fire explosion 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 patterns 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 Ge
13. cal natural or propane LP gas company 3 Observe minimum installation clear ances see pages 7 through 9 4 Clean burners see Cleaning and Main tenance page 23 or replace burner orifice s 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 turn into white powder residue 1 Turn heater off when using furniture polish wax carpet cleaners or similar products Moisture condensation noticed on windows For more inf 104415 1 Not enough combustion ventilation air formation visit www desatech 1 Refer to Air for Combustion and Venti lation requirements page 4 ma DESA TROUBLESHOOTING TROUBLESHOOTING Continued building A WARNING If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department IMPORTANT Operating heater where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors These odors will disappear over time OBSERVED PROBLEM POSSIBLE CAUSE REMEDY
14. ACCESSORY FOR VENTED OPERATION 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 model 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 operation 2 State or local codes do not permit vent free operation 3 You prefer vented operation If reasons number or 2 above apply to you you must permanently open chimney flue damper You must install the damper clamp accessory to order see Accessories page 36 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 6 29 sq inches 7 39 sq inches 8 51 sq inches Chimney Minimum Permanent Height ft Flue Opening sq ins 6 to 15 39 sq inches 15 to 30 29 sq inches x Damper Clamp S Damper Clamp Damper Damper im Damper Masonry Fireplace Manufactured Fireplace Figure 1
15. Adequate Ventilation OPTIONAL REMOTE CONTROL ACCESSORIES There are four optional remote controls that can be purchased separately for Remote Ready Models Only hand held ON OFF remote hand held thermostat remote wall switch wall thermostat See Accessories page 36 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 I NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 Note Where listed vented decorative logs are required thermostat operation is not permitted UNPACKING A CAUTION Do not remove the metal data plates from the grate 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 dam age heater Always handle base assembly by grate 2 Remove all protective packaging applied to logs and heater for shipment 3 Check all items for any shipping damage If damaged promptly inform dealer where you bought heater PRODUCT FEATURES OPERATION This heater is clean burning It requires no outside v
16. Creosote will ignite if highly heated A dirty chimney flue may create and distribute soot within the house Inspect chimney flue for damage If damaged repair flue damper before operating heater 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 resistant sealant Do not seal chimney flue damper A WARNING Never install the heater in a bedroom or bathroom unless installed as a vented appliance see page 10 Remote Ready and Variable Manually Controlled Models Only inarecreational vehicle Where curtains furniture clothing or other flam mable objects are less than 42 inches from the front top or sides of the heater e in high traffic areas in windy or drafty areas FOr Inora HBORLo07 Aho way Auame 1 1 194 o PL obe T an 104415 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 candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls or cause odors IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough venti lation air may cause mildew to form from too much moisture Se
17. Crossover Log 4 M11084 26 M11084 26 M11084 26 M11084 26 M11084 26 M11084 26 Screw 103042 01 099059 02 103042 01 099059 02 103042 01 099059 02 O D S Pilot 098594 01 098594 01 098594 01 098594 01 098594 01 098594 01 Ignitor 098593 01 098593 01 098593 01 098593 01 098593 01 098593 01 Thermocouple 098249 01 098249 01 098249 01 098249 01 098249 01 098249 01 Nut 101006 01 101006 01 101006 01 101006 01 101006 01 101006 01 Pilot Bracket 101330 01 101330 01 101330 05 101330 05 101330 06 101330 06 Front Burner Assembly 101008 01 101008 01 101008 01 101008 01 101008 01 101008 01 Gasket Crossover Burner 101007 01 101007 01 101007 01 101007 01 101007 01 101007 01 Crossover Burner 109824 01 100999 01 109824 02 100999 02 109824 03 100999 03 Rear Burner Assembly 108139 01 108139 01 108139 02 108139 02 108139 03 108139 03 Grate Assembly 108138 01 108138 01 108138 01 108138 01 108138 01 108138 01 Saddle Bracket 102223 01 102223 01 102223 02 102223 02 102223 03 102223 03 Base Pan 098867 09 098867 10 098867 09 098867 10 098867 09 098867 10 Gas Regulator M11084 38 M11084 38 M11084 38 M11084 38 M11084 38 M11084 38 Screw 102810 01 102810 01 102810 02 102810 01 102810 03 102810 01 Inlet Tube 098354 01 098354 01 098354 01 098354 01 098354 01 098354 01 Control Knob 098462 03 09846
18. 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 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 High 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 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 POr node 104415 rmation visit www desatech AX WARNING Damper handle will be hot if heater has been running 1 STOP Read the safety information starting in column 1 Make sure equipment shutoff valve is fully open 3 Press in and turn control knob clockwise to the OFF position IM DESA OPERATING HEATER MANUALLY CONTROLLED MODELS Lighting Instructions Cont Variable Control Operation To Tum Gas Off To Appl
19. in the safety information column 1 If you don t smell gas go to the next step 5 Turn control knob counterclockwise A N to the PI LOT position Press in control knob for five 5 seconds see Figure 25 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 6 With control knob pressed in press and release ignitor but ton This will light pilot The pilot is attached to the front burner If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure on page 17 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 Pop cr 8 Turn control knob counterclockwise to desired heating level The burners should light Set control knob to any heat level between HI and LO Ignitor Electrode nd Pilot Burner E amp 7 Thermocouple
20. metal grate bar Logs for 24 and 30 should fit with ends touching and a small realistic crack in the center Rest middle log 2 behind metal posts on front burner Make sure the grooves in the bottom of the log fit over the grate Bring the log forward next to the metal posts The cutout in the middle log must be on top see Figure 22 page 15 Slide the grooves in the back of the rear log 3 against the rear grate prongs Make sure the peg on the log is on top see Figure 23 page 15 Place the crossover log 4 on the back log and the middle log Make sure the peg on the rear log is in the hole in the bottom of the crossover log The crossover log should fit in the cutout of the middle log see Figure 24 page 15 itech com 104415 INSTALLATION Installing Logs Cont INSTALLATION Continued Grate Prongs Figure 21 Installing Front Log 1 18 Variable Manually Controlled Set Shown Middle Log 2 Figure 22 Installing Middle Log 2 18 Variable Manually Controlled Set Shown Note Your appliance may vary from model shown but log placement will be the same Por mora information visit www desatech 104415 Groove in Pe Back of Log g Rear Log 3 Groove Grate in Back Prong of Log Figure 23 Installing Rear Log 3 18 Variable Manually Controlled Set Shown Crossover Log 4 Hole Cutout Figure 24 Installing Crossover Log 4 18 Variable Manually Co
21. mounting clip is available Tools needed 5 16 hex driver or socket 1 Figure 40 Location of Gas Valve Assembly and Thermostat Locate the gas valve assembly and thermostat sensing bulb see Figure 40 With 5 16 hex driver or socket loosen the thermostat screw Carefully slide the thermostat sensing bulb out of the retaining clamp see Figure 42 Note Do not remove the screw Make sure you tighten the screw after removing the thermostat sensing bulb IMPORTANT Do not force or bend the thermostat sensing bulb or capillary 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 5 If you have a masonry fireplace see Figure 43 for location If you have a factory built metal fireplace see Figure 44 for location If your fireplace has glass doors position sensing bulb directly behind door gap on right bottom side see Figure 45 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 46 Slide the thermostat sensing bulb into the clip IMPORTANT Do not crimp capillary an xc
22. part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS BB Ad 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 Orange flame will also be present Open damper or window to vent smell This will only last a few hours Note Home owners generally prefer to operate their heater with the chimney damper closed This will put all the heat into the room However there may be times you will desire the full flames of the HI heat setting but will find the heat output excessive You can open the chimney damper if you have one fully or partially to release some of the heat AX WARNING Damper handle will be hot if heater has been running Control Knob 1 ye For Your Safety Read Before Lighting Cont Lighting Instructions STOP Read the safety information starting in column 2 page 18 Make sure equipment shutoff valve is fully open Set selector switch in the OFF position Press in and turn co
23. referral information When calling DESA International have ready model number of your heater the replacement part number ma DESA ILLUSTRATED PARTS BREAKDOWN Variable Manually Controlled Split Oak Models VS18NVC E18N VS18PVC E18P VS24NVC E24N VS24PVC E24P VS30NVC and VS30PVC ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY CONTROLLED SPLIT OAK MODELS VS18NVC E18N VS18PVC E18P VS24NVC E24N VS24PVC E24P VS30NVC and VS30PVC 24 and 30 Models Only oe 18 Model Only 104415 PARTS LIST Variable Manually Controlled Split Oak Models VS18NVC E18N VS18PVC E18P VS24NVC E24N VS24PVC E24P VS30NVC and VS30PVC PARTS LIST VARIABLE MANUALLY CONTROLLED SPLIT OAK MODELS This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 29 of this manual PART NUMBER FOR VS18NVC VS18PVC VS24NVC VS24PVC VS30NVC VS30PVC E18N E18P E24N E24P DESCRIPTION 104388 01 104388 01 Front Log 1 104388 05 104388 05 104388 07 104388 07 Front Left Log 1a 104388 04 104388 04 104388 06 104388 06 Front Right Log 1b 104390 01 104390 01 104390 02 104390 02 104390 03 104390 03 Middle Log 2 104392 01 104392 01 104392 02 104392 02 104392 03 104392 03 Rear Log 3 104394 01 104394 01 104394 02 104394 02 1
24. 0 Attaching Damper Clamp For more information visit WM 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 special care is needed You must raise the fireplace floor to allow access to heater control panel This will insure adequate air flow and guard against sooting Raise fireplace floor with noncombustible material Make sure material is secure A CAUTION Do not pick up heater base assembly by burners This could damage heater Only handle base assembly by grates 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 Installation Items Needed hardware package provided with heater approved flexible gas hose and fittings not provided if allowed by local codes sealant resistant to propane LP gas not provided electric drill with 3 16 masonry drill bit Note Install optional GHRCTA Receiver and Hand Held Remote Control Kit see Accessories page 36 before installing gas log heater Remote Ready Models Only See installation instructions included with the kit 1 Apply pipe joint sealant lightly to male thr
25. 0 kg per pa sec m or less with openings gasketed or sealed and b weather stripping has been added on openable win dows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 6 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Heater Loca tion below Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as 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 DETERMINING FRESH AIR FLOW FOR HEATER LOCATION Determining if
26. 01005 01 Valve Bracket M11084 26 M11084 26 M11084 26 M11084 26 M11084 26 M11084 26 Screw 101004 11 101004 10 101004 11 101004 01 101004 04 101004 02 Rear Burner Injector 101004 11 101004 10 101004 08 101004 02 101004 08 101004 06 Front Burner Injector 102258 01 102258 01 102258 01 102258 01 102258 01 102258 01 Burner Tube 099387 08 099387 08 099387 08 099387 08 099387 08 099387 08 Pilot Tube 098276 01 098276 01 098276 01 098276 01 098276 01 098276 01 1 8 Plug 103042 01 099059 02 103042 01 099059 02 103042 01 099059 02 O D S Pilot 098594 01 098594 01 098594 01 098594 01 098594 01 098594 01 Ignitor Electrode 098593 01 098593 01 098593 01 098593 01 098593 01 098593 01 Thermocouple 098249 01 098249 01 098249 01 098249 01 098249 01 098249 01 Nut 098271 10 098271 10 098271 06 098271 06 098271 06 098271 06 lgnitor Cable 102445 01 102445 01 102445 01 102445 01 102445 01 102445 01 Piezo Ignitor PARTS AVAILABLE NOT SHOWN 100563 01 100563 01 100563 01 100563 01 100563 01 100563 01 Warning Plate 101055 02 101055 02 101055 02 101055 02 101055 02 101055 02 Lighting Instructions Plate 100565 01 100565 01 100565 01 100565 01 100565 01 100565 01 Warning Plate Fastener 100639 01 100639 01 100639 01 100639 01 100639 01 100639 01 Caution Decal 101137 03 101137 01 101137 03 101137 01 1011
27. 03588 01 103782 01 M12461 26 103781 02 098264 02 103784 02 103784 01 103587 01CK 103587 01CK M11084 26 099387 09 101004 01 101004 02 103783 01 099998 01 103284 02 108138 01 108139 02 104388 07 104388 06 104390 03 104392 03 104394 03 M11084 26 103779 01 098249 01 103780 01 101330 06 101008 01 101007 01 109824 03 103775 03 098271 06 102445 01 103588 01 103782 01 M12461 26 103781 01 098264 02 103784 02 103784 01 M11084 26 099387 12 100609 01 101004 04 101004 08 103783 01 099998 01 103284 02 099918 02 108138 01 108139 03 104388 07 104388 06 104390 03 104392 03 104394 03 M11084 26 103778 01 098249 01 103780 01 101330 06 101008 01 101007 01 100999 03 103775 03 098271 06 102445 01 103588 01 103782 01 M12461 26 103781 02 097264 02 103784 02 103784 01 Front Log 1 Front Log Left 441a Front Log Right 1b Middle Log 2 Rear Log 3 Crossover Log 4 Screw O D S Pilot Nut Pilot Bracket Front Burner Assembly Crossover Burner Gasket Crossover Burner Rear Burner Assembly Base Pan Ignitor Cable Piezo lgnitor Heat Shield Valve Bracket Screw Gas Control Male Fitting Flame Adjustment Knob Control Knob 103587 01CK Switch Plate M11084 26 099387 09 101004 02 101004 06 103783 01 099998 01 103284 02 108138 01 108139 03 Screw Pilot Tube Pilot Tube Rear Burner Injector Front Burner injector Remote Burner Tube Switch Wiring Harness Pi
28. 04394 03 104394 03 Crossover Log 4 101006 01 101006 01 101006 01 101006 01 101006 01 101006 01 Pilot Bracket 101330 01 101330 01 101330 05 101330 05 101330 06 101330 06 Front Burner Assembly 101008 01 101008 01 101008 01 101008 01 101008 01 101008 01 Crossover Burner Gasket 101007 01 101007 01 101007 01 101007 01 101007 01 101007 01 Crossover Burner 109824 01 100999 01 109824 02 100999 02 109824 03 100999 03 Rear Burner Assembly 108139 01 108139 01 108139 02 108139 02 108139 03 108139 03 Grate Assembly 108138 01 108138 01 108138 01 108138 01 108138 01 108138 01 Saddle Bracket 102223 01 102223 01 102223 02 102223 02 102223 03 102223 03 Base Pan 098867 09 098867 10 098867 09 098867 10 098867 09 098867 10 Gas Regulator M11084 38 M11084 38 M11084 38 M11084 38 M11084 38 M11084 38 Screw 101011 01 101011 01 101011 02 101011 02 101011 03 101011 03 Inlet Tube 098354 01 098354 01 098354 01 098354 01 098354 01 098354 01 Control Knob 098462 03 098462 03 098462 03 098462 03 098462 03 098462 03 Control Rod 098325 01 098325 01 098325 01 098325 01 098325 01 098325 01 Roll Pin 098508 01 098508 01 098508 01 098508 01 098508 01 098508 01 Valve Retainer Nut 102568 01 102568 02 102568 01 102568 02 102568 01 102568 02 Gas Valve 101005 01 101005 01 101005 01 101005 01 101005 01 1
29. 2 03 098462 03 098462 03 098462 03 098462 03 Control Rod 100000 01 100000 01 100000 01 100000 01 100000 01 100000 01 Cotter Pin 101053 01 101053 01 101053 01 101053 01 101053 01 101053 01 Adapter 099211 01 099211 01 099211 01 099211 01 099211 01 099211 01 Screw 098544 01 098544 01 098544 01 098544 01 098544 01 098544 01 Thermostat Clamp 101329 14 101329 15 101329 25 101329 18 101329 25 101329 21 Thermostat Gas Valve Assy 100994 01 100994 01 100994 01 100994 01 100994 01 100994 01 Thermovalve Bracket 101004 11 101004 10 101004 11 101004 01 101004 04 101004 02 Rear Burner Injector 101004 11 101004 10 101004 08 101004 02 101004 08 101004 06 Front Burner Injector 102811 01 102811 01 102811 01 102811 01 102811 01 102811 01 Thermostat Burner Tube 099387 09 099387 09 099387 09 099387 09 099387 09 099387 09 Pilot Tube 102255 01 102255 01 102255 01 102255 01 102255 01 102255 01 Strap 102764 01 102764 01 102764 01 102764 01 102764 01 102764 01 Heat Shield 098271 10 098271 10 098271 06 098271 06 098271 06 098271 06 Ignitor Cable 102445 01 102445 01 102445 01 102445 01 102445 01 102445 01 Piezo lIgnitor PARTS AVAILABLE NOT SHOWN 100563 01 100563 01 100563 01 100563 01 100563 01 100563 01 Warning Plate 101054 01 101054 01 101054 01 101054 01 101054 01 101054 01 Lighting Instructions Plate 100
30. 37 03 101137 01 Hardware Kit GA6060 GA6060 GA6060 GA6060 GA6060 GA6060 Lava Rock 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 4 1 1 ma DESA Por uos information visit www desatech 104415 ILLUSTRATED PARTS BREAKDOWN Thermostat controlled Models VS18NTB VS18PTB VS24NTB VS24PTB VS30NTB and VS30PTB ILLUSTRATED PARTS BREAKDOWN THERMOSTAT CONTROLLED MODELS 4 VS18NTB VS18PTB VS24NTB VS24PTB VS30NTB and VS30PTB 1a 24 and 30 Models Only 1b 18 Model Only For more information visit www desatechie f 104415 PARTS LIST Thermostat controlled Models VS18NTB VS18PTB VS24NTB VS24PTB VS30NTB and VS30PTB PARTS LIST THERMOSTAT CONTROLLED MODELS This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 29 of this manual PART NUMBER FOR e VS18NTB VS18PTB VS24NTB VS24PTB VS30NTB VS30PTB DESCRIPTION 104388 01 104388 01 Front Log 1 104388 05 104388 05 104388 07 104388 07 Front Left id 1a 104388 04 104388 04 104388 06 104388 06 Front Right Log 1b 104390 01 104390 01 104390 02 104390 02 104390 03 104390 03 Middle Log 2 104392 01 104392 01 104392 02 104392 02 104392 03 104392 03 Rear Log 3 104394 01 104394 01 104394 02 104394 02 104394 03 104394 03
31. 565 01 100565 01 100565 01 100565 01 100565 01 100565 01 Warning Plate Fastener 100639 01 100639 01 100639 01 100639 01 100639 01 100639 01 Caution Decal 101137 01 101137 01 101137 01 101137 01 101137 01 101137 01 Hardware Kit 101416 38 101416 38 101416 38 101416 38 101416 38 101416 38 Information Video GA6060 GA6060 GA6060 GA6060 GA6060 GA6060 Lava Rock 102030 01 102030 01 102030 01 102030 01 102030 01 102030 01 Auxiliary Thermostat Mtg Clip ma DESA Aa ncn lnlnllnnnlnnn amp w amp wx nnnnpgsonnungonBolnolnclolcrl For mone information visit www desatech 104415 ILLUSTRATED PARTS BREAKDOWN Remote Ready Models VS18NRA E18NR VS18PRA E18PR VS24NRA E24NR VS24PRA E24PR VS30NRA E30NR VS30PRA and E30PR ILLUSTRATED PARTS BREAKDOWN REMOTE READY VARIABLE CONTROL VS18NRA E18NR VS18PRA E18PR VS24NRA E24NR VS24PRA E24PR 3 VS30NRA E30NR VS30PRA and E30PR p 4 1a 24 and 30 Models Only ie D di 1 Items 23 and 30 Are For Natural Gas Models Only For more information visit www desatech com 104415 PARTS LIST Remote Ready Models VS18NRA E18NR VS18PRA E18PR VS24NRA E24NR VS24PRA E24PR VS30NRA E30NR VS30PRA and E30PR PARTS LIST REMOTE READY VARIABLE CONTROL This list contains replaceable parts used in your heater When ordering parts follow the instructions listed und
32. ALL COMPONENTS AND FIVE 5 YEARS ON STAINLESS STEEL BURNERS FROM THE DATE OF FIRST PURCHASE AND DESA INTERNATIONAL S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDEN TAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state DESA INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com For information about this warranty write Rev G NOT A UPC 02 02 For more information visit www desateCh eom
33. ERS Pilot Flame Pattern Front Burner Flame Pattern INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 34 shows a correct pilot flame pattern Figure 35 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 35 turn heater off see To Turn Off Gas to Appliance page 17 Ther mostat Controlled Models page 18 Manually Controlled Models or page 20 Remote Ready Models see Troubleshooting pages 24 through 26 Pilot Burner Pilot Burner Thermocouple Thermocouple Figure 34 Correct Pilot Flame Pattern Your pilot may vary from pilots shown Pilot Burner Pilot Burner Thermocouple Thermocouple Figure 35 Incorrect Pilot Flame Pattern Your pilot may vary from pilots shown For more information visit WWW fe FRONT BURNER FLAME PATTERN Figure 36 shows correct front burner flame pattern Figure 37 shows incorrect front burner flame pattern The incorrect burner flame pattern shows yellow tipping at top of blue flame A WARNING If yellow tipping occurs your heater could produce increased levels of carbon monoxide If front burner flame pattern shows yellow tipping follow instructions at bottom of this page Yellow flame on rear burner
34. OES UNVENTED VENT FREE GAS LOG HEATER INTERNATIONAL OWNER S OPERATION AND INSTALLATION MANUAL For more information visit www desatech com A Models 18 24 and 30 Remote Ready B Models 18 24 and 30 Thermostatically Controlled Remote Ready and Variable Manually Controlled 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 e Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e Ifyou 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 Re fer to this manual for correct installation and operational procedures For assis tance or additional information consult a qualified installer service agency or the gas supplier WARNING This appliance is for instal
35. We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry 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 burner pilot and primary air inlet holes on injector holder for dust and dirt see Figure 38 3 Blow air through the ports slots and holes in the burner Check the injector holder located at the end of the burner tube again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the injector holder 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 airinlethole about two inches from where the pilot flame comes out of the pilot assembly see Figure 39 With
36. 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 Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft volume of space cu ft volume of space 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 FOr ofi 104415 ormation visit www desatech AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation Cont Determining Fresh Air Flow for Heater Location 2 Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maximum Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free heater Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws com bustion air from the outdoors and vents to the outdoors Example Gas water hea
37. ady 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 esatech com 104415 SAFETY INFORMATION PRODUCT IDENTIFICATION SAFETY INFORMATION Continued 1 10 11 12 13 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 Lo cate 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 Installing Damper Clamp Accessory for Vented Operation page 10 Remote Ready and Variable Manually Controlled Models Only Before installing in a solid fuel burning fireplace the chimney flue and firebox m
38. ame City State 16 In choosing this product how important were the following Not 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 OOoO0ocococococoococococococooO OO0oO0ocococoocoocooococoooo OoocoocoococoocoocoocooooQo Postage Required DESA INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 NOTES NOTES For mors His euehelosa en TA VAT B Ctr n opu DESA 104415 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 main
39. and any gas control which has been under water EE LIGHTING INSTRUCTIONS B A 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 Orange flame will also be present Open damper or window to vent smell This will only last a few hours For more information Note Home owners generally prefer to operate their heater with the chimney damper closed This will put all the heat into the room However there may be times you will desire the full flames of the HI heat setting but will find the heat output excessive You can open the chimney damper if you have one fully or partially to release some of the heat AX WARNING Damper handle will be hot if heater has been running STOP Read the safety information column 1 Make sure equipment shutoff valve is fully open Turn control knob clockwise 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
40. ble Manually Controlled and Thermostatically Con trolled Models attach mounting brackets to fireplace floor using masonry screws provided in hardware package see Figure 13 Reattach heater base to mounting brackets see Figure 13 Tighten nuts firmly Figure 13 Attaching Heaterto Fireplace Floor Variable Manually Controlled and Thermostatically Controlled Models Only Masonry Mounting Bracket Nut Mounting Bracket 9 ForRemote Ready Models attach base through holes in front panel of base to fireplace floor using masonry screws pro vided in hardware package see Figure 14 10 Connect to gas supply See Connecting To Gas Supply page 12 N Masonry Screw Masonry Screw Heater Gas Regulator Flexible Gas Hose if allowed by local codes Figure 11 Attaching Flexible Gas Hose to Heater Gas Regulator Variable Manually Controlled and Thermostatically Controlled Models Only Gas Control Figure 14 Attaching Base to Fireplace Floor Remote Ready Models Only SOLS LIL Flexible Gas 5 Hose if allowed Ka by local codes S Figure 12 Attaching Flexible Gas Hose to Heater Gas Regulator Remote Ready Models Only DESA For mora information visit www desatech com 104415 INSTALLATION Connecting To Gas Supply INSTALLATION Continued CONNECTING TO GAS SUPPLY Ay WARNING This appliance requires a 1 2 NPT National Pipe Thread inlet connection to the pres
41. combustible materials are less than 14 to the fireplace you must install appliance at least 5 above the combustible floor ing see Figure 9 For mors bissl 104415 visit www desatech yee Shel Underside of Mantel Shelf A All minimum distances are in inches Minimum Non A Combustible A Log Set Material 12 18 20 22 24 24 30 Models 8 14 17 19 20 18 Model y Y Y Top of Fireplace QYyY eRe WH Opening Minimum Non Distances to Combustible Underside of Material Height Mantel Figure 6 Minimum Mantel Clearances Without Using Hood Mantel Shelf o4 z Underside of Mantel Shelf A All minimum distances are Minimum Non gt in inches Combustible Log Sets Material 8 12 15 18 20 4 18 24 Min amp 30 Models Y Y Top of Fireplace M v Opening Hood p Distances to GA6050 GA6052 Underside of or GA6053 Mantel Figure 7 Minimum Mantel Clearances When Using Hood Combustible Material Combustible Material T Min Min pee SN Noncombustible Material j Figure 9 Minimum Fireplace Clearances Above Combustible Flooring ma DESA Figure 8 Minimum Fireplace Clearances If Installed at Floor Level INSTALLATION Installing Damper Clamp Accessory for Vented Operation Installing Heater Base Assembly INSTALLATION Continued INSTALLING DAMPER CLAMP
42. e 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 install fireplace Call dealer where you bought fireplace for proper type fireplace INSTALLATION AND CLEARANCES FOR VENT FREE OPERATION A WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceil ing and adjoining wall MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size 18 24 30 Side Wall 16 Ceiling 42 Floor 5 LOG SIZING REQUIREMENTS Minimum Firebox Size Log Front Rear Size Height Depth Width Width 18 17 14 20 14 24 17 14 26 18 30 17 14 32 22 Measured at 14 depth DESA INSTALLATION Installation and Clearances for Vent Free Operation Cont INSTALLATION Continued Carefully follow the instructions below This will ensure safe 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 combus tible 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 th
43. e 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 clearances to combustible materials B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches Example INCHES 2 4 6 8 10 12 14 16 INCHES usa 5 1 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 nstalling Damper Clamp Accessory for Vented Operation page 10 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 For more information visit WM 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 Fig
44. eads of gas fitting not provided For Variable Manually Controlled and Ther mostatically Controlled Models connect approved flexible gas hose to gas regulator of heater see Figure 11 page 11 For Remote Ready models connect approved flexible gas hose to inlet side of gas control see Figure 12 page 11 IMPORTANT Hold gas regulator with wrench when connect ing flexible gas hose Variable Manually Controlled and Ther mostatically Controlled Models Only 2 Locate mounting brackets bolts and nuts in hardware pack age Variable Manually Controlled and Thermostatically Con trolled Models Only Attach mounting brackets to heater base see Figure 13 page 11 Attach nuts finger tight 3 Position heater base assembly in fireplace desatech com 104415 INSTALLATION Installing Heater Base Assembly Cont INSTALLATION Continued 4 For Variable Manually Controlled and Thermostatically Con trolled Models mark screw locations through holes in mount ing brackets see Figure 13 For Remote Ready Models mark screw locations through holes in front panel of base see Fig ure 14 If installing in a brick bottom fireplace mark screw locations in mortar joint of bricks 5 Remove heater base from fireplace Jt 6 Remove mounting brackets from heater base Variable Manu ally Controlled and Thermostatically Controlled Models Only Mounting Drill holes at marked locations using 3 16 drill bit EM Screw For Varia
45. eater will run longer IMPORTANT This remote control has been specially engi neered to take an air temperature sample every 5 5 minutes in the auto mode It will not respond immediately to the tem perature 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 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 FOr uors information visit www desatech 104415 Control Knob in On Position Flame Adjustment Knob Y L ON OFF REMOTE Selector Toggle Switch Optional Remote Control Figure 32 Setting the Selector switch Control Knob and Flame Adjustment Knob for Remote Operation Increases Room Shows VEN Temperature in Temperature T AUTO Mode Setting E Decreases Room a NN Temperature in AUTO Mode a AUTO ON OFF The Log Heater will Automatically Cycle between Pilot and the Heat Setting that has been Selected Turns Burners On or Off and Allows You to Choose the Auto Setting Figure 33 Thermostat Hand Held Remote Control Unit Selections GHRCTA Only ma DESA INSPECTING BURN
46. em has been 3 Waitone minute for safety interlock sys triggered tem to reset Repeat ignition operation 4 Equipment shutoff valve not fully open 4 Fully 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 thermocouple 8 Control valve damaged 8 Replace control valve For more information visit WWW itech com 104415 TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY One or both 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 Burner orifice s diameter is too small Remote selector in OFF position Re mote Ready Models Only 6 Wire disconnected from gas control Re mote Ready Models Only Un RU 2 Clean burner s see Cleaning and Main tenance page 23 or replace burner orifice s Contact qualified service person Replace burner orifice s
47. enting 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 Non Thermostat Models Only For more information visit WWMG SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater AIR FOR COMBUSTION AND VENTILATION A WARNING This heater shall not be installed in a confined space or unusually tight construction un less provisions are provided for adequate 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
48. er Replacement Parts on page 29 of this manual PART NUMBERS VS24NRA VS24PRA E24NR E24PR KEY VS18NRA NO E18NR VS18PRA E18PR VS30NRA E30NR VS30PRA E30PR DESCRIPTION 104388 01 104390 01 104392 01 104394 01 M11084 26 103779 01 098249 01 103780 01 101330 01 101008 01 101007 01 109824 01 103775 02 098271 10 102445 01 103588 01 103782 01 M12461 26 103781 01 098264 02 103784 02 103784 01 103587 01CK M11084 26 099387 12 100609 01 101004 11 101004 11 103783 01 099998 01 103284 02 099918 02 108138 01 108139 01 104388 01 104390 01 104392 01 104394 01 M11084 26 103778 01 098249 01 103780 01 101330 01 101008 01 101007 01 100999 01 103775 02 098271 10 102445 01 103588 01 103782 01 M12461 26 103781 02 098264 02 103784 02 103784 01 103587 01CK M11084 26 099387 09 101004 10 101004 10 103783 01 099998 01 103284 02 108138 01 108139 01 104388 05 104388 04 104390 02 104392 02 104394 02 M11084 26 103779 01 098249 01 103780 01 101330 05 101008 01 101007 01 109824 02 103775 01 098271 06 102445 01 103588 01 103782 01 M12461 26 103781 01 098264 02 103784 02 103784 01 103587 01CK M11084 26 099387 12 100609 01 101004 11 101004 08 103783 01 099998 01 103284 02 099918 02 108138 01 108139 02 104388 05 104388 04 104390 02 104392 02 104394 02 M11084 26 103778 01 098249 01 103780 01 101330 05 101008 01 101007 01 100999 02 103775 01 098271 06 102445 01 1
49. hase this type of product before going into the store O Yes O No Who selected the product O Male O Female O Both 4 What is the population of your area O Under 10 000 O 10 000 to 25 000 O 25 000 to 50 000 O 50 000 to 100 000 O 100 000 to 250 000 Over 250 000 5 What is your primary source of heat O Propane LP Gas O Fuel Oil O Wood O Natural Gas O Electric O Other 6 How was the product installed O Professional Installer Self O Other 7 Cost of product excluding sales tax 8 Cost to install product 9 Type of store where product was purchased O Hardware O Propane Dealer O Natural Gas Utility Co Home Center Builder s Supply O Fireplace or Hearth Shop O Farm Store O Other 10 What motivated you to buy this product Sudden Cold Weather Replace Older Model O D I Y Home Project O Emergency Back Up Heat O Heater was on Sale O Energy Savings High Efficiency Construction Project O Other 11 How did you learn about this product brand O Advertising O Relative or Friend Store Display O Other 12 Level of Education of Purchaser O Some High School Completed High School Completed College O Completed Graduate School 13 Age of Purchaser O Under 20 O 20 29 O30 39 O40 49 O50 59 O 60 or Over 14 Buyer s total annual household income O Under 15 000 O 15 000 to 19 999 O 20 000 to 34 999 O 35 000 to 49 999 O 50 000 to 74 999 O 75 000 to 99 999 O 100 000 and Over 15 Store where product was purchased N
50. iance Manual Lighting Procedure OPERATING HEATER REMOTE READY MODELS For Your Safety Read Before Lighting OPERATING HEATER Continued 4 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 starting in column 1 of page 17 If you don t smell gas go to the next step 5 Press in control knob and turn counterclockwise to the PILOT position Keep control knob pressed in for five 5 seconds see Figure 27 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 6 With control knob pressed in press and release ignitor but ton This will light pilot The pilot is attached to the front burner If needed keep pressing ignitor button until pilot lights Note If pilot does not light 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 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 8 Pushin and turn control knob countercl
51. id to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 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 18 page 14 2 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 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 19 page 14 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 4 Correct all leaks at once DESA INSTALLATION Checking Gas Connections Cont Installing Logs INSTALLATION Continued Pressure Testing Heater Gas Connections l 2 Open equipment shutoff valve see Figure 18 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 thermostat gas valve Thermostat Controlled Models to control valve Manually Controlled Models or to gas control Remote Ready Models see Figures 19 and 20 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leak
52. 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 burner flame pattern is incorrect as shown in Figure 37 turn heater off see To Turn Off Gas to Appliance page 17 Ther mostat Controlled Models page 18 Manually Controlled Models or page 20 Remote Ready Models see Troubleshooting pages 24 through 26 Figure 36 Correct Front Burner Flame Pattern Yellow Tipping At Top of Blue Flame Figure 37 Incorrect Front Burner Flame Pattern itech com 104415 CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole Logs CLEANING AND MAINTENANCE A WARNING Turn off heater and let cool before cleaning A CAUTION You must keep 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 HOLDER AND PILOT AIR INLET HOLE The primary airinletholes 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
53. la tion only in a solid fuel burning masonry or UL127 factory built fireplace or in an approved ventless firebox It is design certified for these installations in accor dance with ANSI Z21 11 2 Exception Do not install this appliance in a factory built fireplace that includes instructions stat ing it has not been tested or should not be used with unvented gas logs WARNING This is an unvented gas fired heater It uses air oxygen from the room in which itis 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 DESA Save this manual for future reference TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION u cccccccceeeececceeeeeeceeeeceecceeeeceeaeeeeseeaaees 2 PRODUCT IDENTIFICATION rennen 3 OPTIONAL REMOTE CONTROL ACCESSORIES 4 EOCAL GODESx EGER 4 UNPACKING ii Ae nS otter te eek 4 PRODUCT FEATURES taa 4 AIR FOR COMBUSTION AND VENTILATION 4 INSTALLATION te I EE ei Ta 7
54. lace esatech com 104415 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 Ifyou donot meetthe clearances listed below you will need ahood Determining Minimum Mantel Clearance If you meet minimum clearance between mantel shelf and top of fireplace opening a hood is not required see Figure 6 Determining Minimum Mantel Clearance When Using a Hood If minimum clearances in Figure 6 are not met you must have a hood When using a hood there are still certain minimum mantel clearances required Follow minimum clearances shown in Figure 7 when using hood NOTICE Surface temperatures of adjacent walls and mantels become hot during operation Walls and 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 If
55. lot Regulator Saddle Bracket Grate Assy Mp2 4242 42 42 oa pase an ann Gana an nn nnn nA A B BBA i i un PARTS AVAILABLE NOT SHOWN 100563 01 103877 01 100565 01 100639 01 101137 02 101416 38 GA6060 Por mora information visit www desatech 104415 100563 01 103877 01 100565 01 100639 01 101137 02 101416 38 GA6060 100563 01 103877 01 100565 01 100639 01 101137 02 101416 38 GA6060 100563 01 103877 01 100565 01 100639 01 101137 02 101416 38 GA6060 100563 01 103877 01 100565 01 100639 01 101137 02 101416 38 GA6060 100563 01 103877 01 100565 01 100639 01 101137 02 101416 38 GA6060 Warning Plate Lighting Instructions Plate Warning Plate Fastener Caution Decal Hardware Kit Information Video Lava Rock TIE DESA ACCESSORIES 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 Equipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe G 4 i Em ra uu FIREPLACE HOOD Black GA6050 Brass GA6052 Antique Brass GA6053 For all models Helps deflect heat away from mantel or wall above fireplace Fits openings 28 to 48 wide RECEIVER AND HAND HELD THERMOSTAT REMOTE CONTROL KIT GHRCTA
56. models Order when additional rock is desired 1 8 Ib bag CLEANING KIT GCK Not Shown For all models Your vent free gas appliance requires regular cleaning and maintenance to prevent performance problems This kit gives you the tools and instructions to make it easy to clean all critical areas of your appliance INFORMATION VIDEO 108917 01 For all models A care and maintenance video is available by calling 1 866 672 6040 tech com 104415 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 O Office Warehouse O Utility Shed Outbuilding Garage O Bedroom O Bathroom O Other If you bought this product yourself did you plan to purc
57. ntrol knob Now follow step 8 page 16 MANUALLY CONTROLLED MODELS m FOR YOUR SAFETY READ dl 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 For Your Safety Read Before Lighting Lighting Instructions 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 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 ENS LIGHTING INSTRUCTIONS BEES A 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
58. ntrol knob clockwise LJ C to the OFF position see Figure 29 A WARNING Burners will come on automatically within one minute when the selector switch is in the ON position after the pilot is lit 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 starting in column 2 page 18 If you don t smell gas go to the next step Press in and turn control knob counterclockwise 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 less This will allow air to bleed from the gas system 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 pressing ignitor button until pilot lights Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 20 Flame Adjustment Knob Ignitor Button Figure 29 Control Knob and Ignitor Button Location For more inf 104415 Selector Switch in OFF Position mation visit www desatech com DESA OPERATING HEATER REMOTE READY MODELS Lighting Instructions
59. ntrolled Set Shown ma DESA OPERATING HEATER THERMOSTAT CONTROLLED MODELS For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER THERMOSTAT CONTROLLED MODELS ES FOR YOUR SAFETY READ RR 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 a 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 techni cian or gas supplier Force or attempted repair may result in a fire or explosion S 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
60. ntrols 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 wrench when connecting it to gas piping and or fittings Variable Manually Controlled and Thermostatically Controlled Models 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 15 External Regulator With Vent Pointing Down CEGhyGOn 104415 INSTALLATION Connecting to Gas Supply Cont Checking Gas Connections INSTALLATION Continued CSA Design Certified Equipment PROPANE LP Shutoff Valve With 1 8 NPT Tap From External Regulator e W C Approved Flexible to 14 W C Gas Hose if allowed Pressure by local codes NATURAL From Gas DS Meter ed 3 Minimum 5 W C to 10 5 W C Mipsis Gas Regulator Tee Cap Pipe Joint Nipple Sediment Trap Figure 16 Gas Connection Variable Manually Controlled and Thermostatically 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 Pressure Pipe Cap Tee Nipple Joint Gas Control
61. ockwise to the HI position Both burners should light Set control knob to desired setting Ignitor Electrode Ignitor Button Control Knob Figure 27 Control Knob and Ignitor Button Location BE VARIABLE CONTROL OPERATION EMI The variable control valve can be set to any heat setting and flame height desired by simply turning the control knob until that setting is attained Even the lowest setting provides realistic flames and glowing embers from two burners Selecting higher settings pro duces greater heat output This results in increased heating comfort Figure 28 Pilot A WARNING Do not operate heater between locked positions A CAUTION Do not try to adjust heating levels by using the equipment shutoff valve For more information visit WWW BE TO TURN OFF GAS TO APPLIANCE MEMINI Shutting Off Heater 1 Press in and turn control knob clockwise X to the HI position 2 Turn the control knob clockwise X to the PILOT position 3 Press in control knob and turn clockwise N to the OFF position Shutting Off Burners Only pilot stays lit 1 Turnthecontrol knob clockwise N to the HI position 2 Press in and turn control knob clockwise to the PILOT position EN MANUAL LIGHTING PROCEDURE INI 1 Follow steps 1 through 5 under Lighting Instructions pages 17 and 18 Depress control knob and light pilot with match 3 Keep control knob pressed in f
62. oining Room D Reniave Option 2 ption 1 Door into E Adjoining Room Option O 3 Figure 2 Ventilation Air from Inside Building AN Ventilated Attic Outlet Air To Attic LLL To Space Ventilated Crawl Space Inlet Air j Inlet Air Figure 3 Ventilation Air from Outdoors itech com 104415 INSTALLATION INSTALLATION Check Gas Type Installation and Clearances for Vent Free Operation NOTICE This heater is intended for use as supple mental 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 Ay WARNING A qualified service person must in stall heater Follow all local codes NOTICE State or local codes may only allow opera tion of this appliance 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 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
63. or 30 seconds after lighting pilot After 30 seconds release control knob Now follow step 8 column 1 REMOTE READY MODELS By FOR YOUR SAFETY READ MEI 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 satech com p L 104415 OPERATING HEATER REMOTE READY MODELS OPERATING HEATER Continued 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 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
64. r 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 Por nora information visit www desatech 104415 14 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 15 Make sure the selector switch is in the OFF position when you are away from home for long periods of time Remote Ready Mod els Only 16 Remote Ready heaters do not to be connected to any external electrical source 17 Operating heater above elevations of 4 500 feet may cause pi lot outage 18 To prevent performance problems do not use propane LP fuel tank of less than 100 Ib capacity propane LP units only 19 Provide adequate clearances around air openings PRODUCT IDENTIFICATION Crossover Log Rear Log Front Log Rear Burner Front Burner Control Knob Assembly Front Burner Crossover Log Rear Log Front Log Rear Burner Piezo a SLO Ignitor In L C7 Demo 2 7 WAL Middle Log Optional Flame Adjustment Knob Selector Switch Optional Figure 1 Product Identification ma DESA OPTIONAL REMOTE CONTROL ACCESSORIES LOCAL CODES UNPACKING PRODUCT FEATURES AIR FOR COMBUSTION AND VENTILATION Providing
65. rol Gas odor during combustion Foreign matter between 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 13 Log set cycles to pilot but room tempera ture drops to a lower than ideal level before log set comes back on Thermostat sensing bulb needs to be repositioned Thermostat Controlled Models Only Hand held remote control is too close to heater Remote Ready Models Only For more information visit WWW Reposition thermostat sensing bulb see Instructions for Optional Positioning of Thermostat Sensing Bulb page 27 Move hand held remote control unit far ther away from the heater EHS 9 Sf 104415 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB 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 gas valve assembly This location allows the thermostat to keep the room temperature at an ideal comfort level for most fireplace applications For position ing the thermostat sensing bulb elsewhere an adhesive backed
66. s and keep the pilot lit by doing one of the following 1 Turn control knob clockwise N to the PILOT position 2 Use remote control manual OFF button 3 Set selector switch in the OFF position For more information visit www B MANUAL LIGHTING PROCEDURE HI 1 Follow steps 1 through 6 under Lighting Instructions page 19 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 9 through 11 Lighting Instructions column 1 BN OPTIONAL REMOTE OPERATION I Note All remote control accessories must be purchased sepa rately see Accessories page 36 Follow instructions included with the remote control Thermostat Control Operation Optional GHRCTA Series Only The thermostat control set ting on the remote control unit can be set to any comfort level between WARMER and COOLER The burners will turn on and off automatically to maintain the comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heated the output of the central heating system etc For wall thermostat operation follow instruction supplied with thermostat accessory GWMTI For wall switch operation fol low instructions supplied with GWMS2 NOTICE You mustlightthe pilot before using the remote control unit See Lighting Instructions on page 19 1 After ligh
67. s at once Light heater see Operating Heater pages 16 through 21 Check all other internal joints for leaks Turn off heater see To Turn Off Gas to Appliance page 17 for Thermostat Controlled models page 18 for Manually Controlled Models or page 20 for Remote Ready Models Equipment Shutoff Open Valve Closed Figure 18 Equipment Shutoff Valve Equipment Shutoff Valve Thermostat Gas Valve or Control Propane LP Valve Location Supply Tank aay o cS oo Ae PRI Y n X Vio Sis SOAs a d Figure 19 Checking Gas Joints propane LP only For more information Thermostat Gas Valve or Control Valve Location Equipment Shutoff Valve Gas Meter ve Figure 20 Checking Gas Joints Natural Gas Only 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 Each log is marked with a number These numbers will help you identify the log when installing It is very important to install these logs exactly as instructed Do not modify logs Only use logs supplied with heater 1 Visit WWW Place front log 1 for 18 la and 1b for 24 and 30 on top of the grate Make sure the notches in the bottom of the log fits over the grate prongs see Figure 21 page 15 Push back of logs flush with
68. sure regulator A WARNING A qualified service person must con nect heater to gas supply Follow all local codes A CAUTION Never connect propane LP fireplace directly to the propane LP supply This heater requires an external regulator not supplied Install the external regulator between the heater and propane LP supply 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 lo cal codes not 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 36 For propane LP units the installer must supply an external regula tor 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 poin
69. t ing down as shown in Figure 15 Pointing the vent down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in certain areas Check your 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 For more information 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 Figures 16 or 17 page 13 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 Figures 16 or 17 page 13 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 into heater co
70. t 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 for reference It is your guide to safe and proper operation of this heater WARNING Anychangetothis heater 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 heater Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects on the heater Heater base assembly becomes very hot when run ning heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shutdown Allow surface to cool before touching Carefully supervise young children when they are in the room with heater When using the hand held remote accessory Remote Re
71. tained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA International who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ON
72. ter 40 000 Btu Hr Vent free heater 33 000 Btu Hr Total 73 000 Btu Hr 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 51 200 Btu Hr maximum the space can support 73 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the ex tra space provides an unconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building page 6 B Vent room directly to the outdoors See Ventilation Air From Out doors page 6 C 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 spaceis anunconfined 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
73. 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 PROVIDING ADEQUATE 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 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 itech com 104415 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 continuous water vapor retarder with a rating of one perm 6 x 1
74. the unit off lightly blow airthrough the airinlethole You may blow through a drinking straw if compressed air is not available Por mors di 104415 ormation visit www desatech Injector Holder Ports Slots pt Burner Tube Primary Air Inlet Holes Figure 38 Injector Holder On Outlet Burner Tube Pilot Air Inlet Hole Pilot Assembly O y Pilot Assembly Figure 39 Pilot Inlet Air Hole Your pilot may vary from pilots shown LOGS If you remove logs for cleaning refer to Installing Logs page 14 to properly replace logs Replace log s if broken or chipped dime sized or larger ma 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 OBSERVED PROBLEM AX WARNING Turn off and un plug heater and let cool before servicing Only a qualified ser vice person should service and repair heater POSSIBLE CAUSE A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit REMEDY When ignitor button is pressed there is no spark at ODS pilot 1 Ignitor electrode not connected to igni tor cable 1 Reconnect ignitor cable
75. ting 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 or ON 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 esatech com 104415 OPERATING HEATER REMOTE READY MODELS Optional Remote Operation Cont OPERATING HEATER Continued 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 Series Operation 2b Press the AUTO ON OFF button on the hand held remote control see Figure 33 The lights to the left of the button will show AUTO ON or OFF In the ON mode the burners will ignite The heater is in manual mode when ON is lit In the AUTO mode the thermostat in the hand held 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 h
76. ure 5 for minimum clearances If Using Mantel You must have noncombustible material s above the fireplace opening Noncombustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have noncombustible material behind it Noncombustible material must extend at least 8 inches up for all models If noncombustible material is less than 12 you must install the fireplace hood accessory 24 and 30 Models Only Even if noncombustible material is more than 12 you may need the hood accessory to deflect heat away from your mantel shelf See Figure 5 and Figures 6 and 7 page 9 for minimum clearances IMPORTANT 1f 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 10 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 36 18 Model Noncombustible material OK 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 Material Figure 5 Heat Resistant Material Slate Marble Tile etc Above Firep
77. ust 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 damaged 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 This heater needs fresh outside air ventilation to run properly This heater has an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the heater if enough fresh air is not available See Air for Combustion and Ventilation pages 4 through 6 If heater keeps shutting off see Trouble shooting pages 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 other objects 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 heate

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