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Desa CB36P Gas Heater User Manual

1. Orange hi Gas Valve Red g O lo Red o z Transformer Black 3 g VON e 3 Black Es 3 El N White El cO lt Black o as gt g gt O o vell o Zz High Voltage 2 ol O Ground AH Blue Blue l Green Ignition Module 120 VAC Figure 21 Electronic Ignition Wiring Diagram 14 www desatech com 117437 01D FIREPLACE INSTALLATION CHECK GAS TYPE Use only the correct type of gas natural or propane LP If your gas supply is not the correct gas type do nat install fireplace See dealer where you purchased your fireplace for proper gas type fireplace or tro purchase gas conversion kit see Accessories page 31 INSTALLING GAS PIPING TO FIREPLACE LOCATION A WARNING A qualified service person must connect fireplace to gas supply Follow all local codes AX CAUTION For propane LP units never connect fireplace directly to the propane LP supply This heater requires an external regulator not supplied Install the external regulator between the fireplace and propane LP supply Installation Items Needed Before installing fireplace make sure you have the items listed below e external regulator supplied by installer piping check local codes e sealant resistant to propane LP gas e
2. 3 Slide junction box up until screw mounting tab is lined up to notch in outer cabinet 4 Swing junction box out and slip retaining flange out through slot in outer cabinet 5 Remove 2 screws and outer cover on left side of outer cabinet 6 Reinsert junction box retaining flange through slot now on left side and swing screw mounting tab back through notch as before 7 Slide junction box down till mounting tab holes line up and replace inner retaining screw 8 With junction box cover removed pull end of 3 wire Romex supply line through universal strain relief bushing on cover see Figure 13 9 Strip back outer Romex to about 4 and connect black white and green wires ac cordingly using 3 wire nut connectors 10 Tuck tailing wires into junction box and replace junction box cover using 2 remain ing screws 11 Tighten adjustment on universal strain bushing to secure Romex sheathing and complete supply connection J Box Cover 3 with Strain ON Relilef SON J Box Cover with Strain Relief ON Box with Receptacle y aa ol TF Screw Tab Retainer 2 lt Figure 13 Relocating Junction Box Recep tacle and Electrical Supply Connection 117437 01D www desatech com 11 VENTING INSTALLATION Continued Ay WARNING This appliance when installed must be electri cally grounded in accordance with local code or in the ab sence of local code with the current National Electric Code
3. e Use a vacuum cleaner or small soft bristled brush to remove excess dust dirt or lint 24 www desatech com 117437 01D CLEANING AND MAINTENANCE Continued LOGS e If you remove logs for cleaning refer to Installing Logs and Glowing Embers page 19 to properly replace logs e Use a vacuum cleaner to remove any carbon buildup on logs Replace log s if broken See Replacement Parts page 31 e Replace ember material periodically as needed See Replacement Parts page 31 VENTING SYSTEM Conduct annual inspection of the venting system following these guidelines 1 Check areas of venting system that are exposed to the weather corrosion rust spots or streaks and in extreme cases holes Have these items replaced im mediately by a qualified service person 2 Remove the vent cap and shine a flashlight into vent Remove any foreign material 3 Check for evidence of excessive con densation Continuous condensation can cause corrosion of caps pipes and fittings and can be caused by having excessive lateral runs too many elbows or exterior portions of the system being exposed to cold weather 4 Inspect joints to verify that no pipe sec tion or fitting has been distributed and loosened Check mechanical supports such as wall straps for rigidity SPECIFICATIONS nen Maximum Input Rating 18 000 Btu hr e Gas Type Natural e Orifice Size Main Burner 45 DMS 0 082 e Ignition Millivolt e
4. ANSI NFPA 70 or the Canadian Electric Code CSA C22 1 HIGH ALTITUDE INSTALLATION Your DESA Heating LLC direct vent fireplace has been tested and approved in the USA for elevations from 0 2 000 feet 610 m and in Canada at elevations from 0 4 500 feet 1 372 m When installing a non high altitude fireplace at an elevation above 2 000 feet 610 m in the USA you may need to decrease the input rating by changing the existing burner orifice to a smaller size Reduce input 4 for each 1 000 feet 305 m above sea level Check with your local gas company for proper orifice size identification When installing this fireplace in Canada at an elevation above 4 500 feet 1 372 m Check with local or provincial code authorities Consult your local gas company to help deter mine the proper orifice for your location For assistance with any high altitude installa tion contact DESA Heating LLC s Customer Service Department at 1 866 672 6040 INSTALLING OPTIONAL CONTROLS INSTALLING OPTIONAL WALL MOUNT SWITCH GWMS2 1 Connect one terminal of 15 foot wire from wall switch to male connector on high limit harness Connect remaining wire terminal to TH terminal on valve Make sure that wire terminals are in positions on unit as pictured in Figure 14 If wires are not con nected as shown switch will not work 2 Route 15 foot wire through hole openings with bushings provided on either side of fireplace cabinet 3 Connect
5. Manifold Pressure 3 5 w c 0 87 kPa Min Inlet Supply Pressure 5 5 w c 1 1 kPa ec Maximum Input Rating 18 000 Btu hr e Gas Type Propane LP e Orifice Size Main Burner 55 DMS 0 052 e Ignition Millivolt e Manifold Pressure 10 w c 2 5 kPa e Min Inlet Supply Pressure 11 w c 2 7 kPa ALL MODELS V CB36NE Maximum Input Rating 18 000 Btu hr e Gas Type Natural e Orifice Size Main Burner 45 DMS 0 082 e Ignition Electronic e Manifold Pressure 3 5 w c 0 87 kPa Min Inlet Supply Pressure 5 5 w c 1 1 kPa V CB36PE Maximum Input Rating 18 000 Btu hr e Gas Type Propane LP e Orifice Size Main Burner 55 DMS 0 052 e Ignition Electronic e Manifold Pressure 10 w c 2 5 kPa e Min Inlet Supply Pressure 11 w c 2 7 kPa e Fireplace Dimension HxWxD Actual size of firebox measurements do not include nailing flanges or standoffs 35 75 x 36 25 x 14 75 90 8 x 92 1 x 37 5 cm Carton Dimension HxWxD 36 75 x 38 x 16 25 93 3 x 96 5 x 41 3 cm SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit e burners will have delayed ignition e heater will not produce specified heat e for propane LP units propane LP gas sup ply may be low You may feel your gas pressure is too low If so contact your local natural or propane LP gas supplier TECHNICAL SERVICES You may have further questions about installa tion operation or troubl
6. gas controls If sediment trap drip leg is not installed or is installed vvrong fireplace may not run properly CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed e 3 4 and a 7 8 open end wrench or adjust able wrench e sealant resistant to propane LP gas not provided 1 Remove lower louver door panel by lifting up until disengaged Swing forward and out of locating slots at bottom 2 Route flexible gas line provided by in staller from equipment shutoff valve to fireplace Route flexible gas supply line through one access hole on each side of fireplace cabinet 3 Attach flexible gas line from gas supply to the 1 2 flare fitting provided on control valve see Figure 24 4 Check all gas connections for leaks see Checking Gas Connections To Gas Supply Natural Equipment Shutoff Valve To External Regulator Propane LP Flexible Gas Line Do NOT Kink Control Valve Figure 24 Connecting Flexible Gas Line to Millivolt Valve CHECKING GAS CONNECTIONS WARNING Testall gas piping and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once AR WARNING Neverusean open flame to check for a leak Apply noncorrosive leak detection fluid toalljoints Bubbles forming show a leak Correct all leaks at once PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 Disconn
7. in receiver and remote control Fireplace shuts off in use Burner bactfiring during com bustion 1 High or gusting winds 2 Low line pressure 3 Pilot is partially clogged 4 Improper or restricted vent ing 5 Clogged burner tube blocked orifice or improper burner air adjustment 6 Bad thermopile or thermo couple 7 Vent cap improperly in stalled or blocked 1 Fireplace has been tested for up to 40 mph winds How ever extreme conditions may occur See Lighting Instructions page 20 or 21 2 Check local propane LP or natural gas company 3 Clean pilot see Cleaning and Maintenance page 24 4 Locate and correct all vent conditions see Checking for Proper Venting page 10 5 Clean burner tube and orifice adjust air shutter see Inspecting Burners page 23 6 Replace faulty compo nents 7 Check for proper installa tion or remove debris or blockage 28 www desatech com 117437 01D TROUBLESHOOTING Continued POSSIBLE CAUSE 1 No gas supply or shutoff OBSERVED PROBLEM Electronic Ignition Models REMEDY 1 Checkto see if you have gas Only Ignitor will not spark or pilot will not light valve is OFF N Air in gas line 3 Construction debris clog ging pilot orifice 4 Low gas pressure 5 Kinked pilot line 6 Control valve is not open ing 7 No power to unit or the ignition module supply and that equipment shutoff valve is opened Repeat li
8. instruc tions completely and thoroughly before attempting installation Failure to do so could result in serious injury property damage or loss of life A WARNING B type vent pipe airspace clearance to combus tibles is 1 on all sides Where the vent pipe passes through a vertical wall a listed thimble ap proved for use with B type vent must be used VENTING INSTALLATION A4 B type venting system must be connected to the appliance for venting to the outside of the building The following section is provided as a guide to install a standard B type vent installation Standing code requirements concerning B type vent installations may vary within your state province or local codes jurisdic tion Therefore it is recommended that you check with your local building code authority for specific requirements or in absence of local codes follow Section 7 0 of the cur rent National Fuel Gas Code NFPA 54 ANSI 2223 1 or in Canada with CAN CSA B149 for Category systems using double wall B 1 vent pipe This gas appliance must be vented to the outdoors only and may not be terminated into an attic space or into a chimney flue servicing a solid fuel burning appliance This appliance may be vented through a manufactured chimney liner system if all are listed inspected and approved by local codes and or building authorities The examples shown in Figure 10 page 10 are typical of most B vent installations and code pr
9. 6 01 Pilot Assembly PSE Natural Gas 1 108866 02 Pilot Assembly PSE Propane LP Gas 1 9 24360 Pilot Bracket 1 10 14399 Fitting Brass Elbow 3 8 MPT x 3 8 Comp Tube 1 11 26808 Valve Bracket 1 12 24389 Tube 3 8 Dia x 11 Aluminum e 1 13 14396 Fitting Brass Straight 3 8 MPT x 3 8 Comp Tube 1 14 14512 Gas Control Valve Millivolt Natural Gas 1 145138 Gas Control Valve Millivolt Propane LP Gas 1 14569 Gas Control Valve Electric Natural Gas 1 14570 Gas Control Valve Electric Propane LP Gas 1 15 11105 Screw 10 x 1 2 HWH LGM Zinc il 16 14500 Fitting 3 8 MPT x 1 2 Flare 1 le Or Screw 10 32 x 1 4 PPH Zinc 4 18 11187 Screw 8 x 1 4 PPH 1 19 14299 Air Shutter 1 20 116316 01 Ignition Module Bracket 1 21 11201 Nut 48 32 Hex Zinc 4 22 11404 Cable Tie 8 5 10 Screwdown 1 23 110286 01 Ignition Module Synetek 1 24 11186 Screw 8 32 x 1 PPH 2 25 14129 Transformer 24V Class 2 1 26 11109 Screvy 48 32 x 1 2 PPH 2 27 111059 03 Ground Wire Harness 1 28 108863 01 Plug 24 Supply Connect 1 29 116719 01 Gas Valve VVire Harness MV PV 30 116719 02 Gas Valve Wire Harness MV 1 31 116719 03 Gas Valve Wire Harness PV 1 117437 01D www desatech com 35 WARRANTY KEEP THIS WARRANTY Model located on product or identification tag Serial No located on product or identification tag Date Purchased Keep receipt for warranty verification Always specify model and serial numbers when communi
10. Control Button Saa ee Figure 37 On Off Hand Held Remote Control Unit HRC100 OPTIONAL GWMS2 ON OFF WALL MOUNTED SWITCH AX WARNING Do not connect the appliance gas controls to a 120 VAC power source Damage or injury may occur Light fireplace as instructed in Lighting Instructions on page 21 If using an HRC remote with a wall switch set remote selec tor switch to the ON position see Figure 36 Wall switch may now be used to turn burner flame ON and OFF To turn fireplace off turn wall switch and or remote selector switch to the OFF position and turn gas control knob back to PILOT Pilot will remain lit IMPORTANT To turn pilot off turn gas control knob on heater to the OFF position 22 www desatech com 117437 01D INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT ASSEMBLY The pilot assembly is factory preset for proper flame height Alterations may have occurred during shipping and handling Call a qualified service person to readjust the pilot if necessary The position and pattern of pilot flames in rela tion to sensing devices should be as shown in Figures 38 and 39 respectively Pilot flame may need adjustment in order for thermocouple thermopile and or ignition system to sense pilot flame If your pilot assembly does not meet these requirements e turn fireplace off see To Turn Off Gas to Appliance page 20 or 21 e
11. DESA HEARTH PRODUCTS VENTED GAS FIREPLACE INSTALLATION AND OWNER S OPERATION MANUAL 4 B VENT DECORATIVE GAS FIREPLACES We recommend that our LA a products be installed and 9 Na serviced by professionals vvho E 71 are certified in the U S by NFI de National Fireplace Institute INSTITU a Gauls www nficertified org MODELS V CB36N E AND V CB36P E A WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a quali fied installer service agency or the gas supplier INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference For more information visit www desatech com TABLE OF CONTENTS A mts 2 Product Identificati0N oooonnncnncnnnnnnncccnncicnn 4 Local COdOS cuicos 4 Product Features ccccceseeseeeeeeeeeeeeeeeeeteeeeeee 5 Pre Insta
12. Design Certified Equipment Shutoff Valve with 1 8 NPT Tap Ntra Gas Meter 5 5 W C to 10 5 W C Pressure Propane LP From Approved External Regulator Flexible 11 W C to 14 Gas Line W C Pressure 3 Minimum T Cap Pipe Tee Joint Nipple Sediment Tai Leg Figure 23 Gas Connection The CSA design certified equipment shutoff valve may be supplied with the appliance or you can purchase it from your retailer 117437 01D www desatech com 15 FIREPLACE INSTALLATION Continued IMPORTANT Install main gas valve equip ment shutoff valve in an accessible location The main gas valve is for turning on or shutting off gas to appliance Check your building codes for any special requirements for locating equipment shutoff valve to fireplaces Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged fireplace valves A WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas We recommend that you install a sediment trap drip leg in supply line as shown in Figure 23 page 15 Locate sediment trap drip leg where it is within reach for cleaning Install in piping system between fuel supply and fireplace Locate sediment trap drip leg where trapped matter is not likely to freeze A sedi ment trap traps moisture and contaminants This keeps them from going into fireplace
13. S Minimum clearances to combustibles for fireplace Back Sides Floor and Top 0 0 mm Perpendicular walls 10 25 4 cm Ceiling to Louver amp Front 36 91 4 cm B Vent Surfaces 1 26 mm See venting instructions for specifics on vent clearances Mantel Clearances See Mantel Clearances page 8 for specific clear ances to combustible mantels Combustible material with a maximum thick ness of 5 8 16 mm may be flush with top and sides of front face of fireplace FRAMING AND FINISHING Figure 5 page 7 shows typical framing of this fireplace Figure 6 page 7 shows framing for corner installation All minimum clearances must be met For overall unit dimensions framing allow ances and vent collar locations see Figure 7 on page 7 For available accessories for this fireplace see Accessories page 31 If you are using a separate combustible mantel piece refer to Figures 8 and 9 page 8 for proper height and clearances You can install a noncombustible mantel at any height above the fireplace opening Note Noncombustible mantels may discolor 6 www desatech com 117437 01D PRE INSTALLATION PREPARATION Continued RR e 1 72 7 cm 14 8 4 37 5 cm to Nailing 31 cm 5634 to Opening 144 cm These dimensions allow for 1 clearance at sides and back of fireplace However 0 clearance is also permitted at all sides when framed Figure 6 Framing Cl
14. actices AR WARNING This gas fireplace andventassembly mustbe vented directly tothe outside The venting system must NEVER be attached to a chimney serving a separate solid fuel burning appliance Example 1 Shows the minimum allowable sys tem height and lateral offset for a 60 or greater inclination Code specifies that offsets at 60 or greater are considered horizontal and must fol low the 75 rule for lateral to total vertical sys tem height Codes also allows only one offset in the total system when at 60 or greater The total vertical height in this example represents the minimum height of 8 feet and therefore the allowable lateral is 6 feet when the 75 rule applies If the lateral length must exceed 75 then the system must be sized in accordance with the Category venting tables Example 2 Shows multiple offsets each at 45 of inclination Multiple offsets are permit ted if they do not exceed 45 of inclination The total lengths of the two offsets are not required to meet the 75 rule Example 3 Shows a single offset at 45 of inclination and therefore the lateral length at 10 feet of offset does not have to meet the 75 allowable rule 117437 01D www desatech com 9 VENTING INSTALLATION Continued In each case the offsets must be supported and firestops must be positioned wherever the vent must pass through a sub floor ceil ing joist or an attic overhang The vent pipe must termi
15. agments onto frame 1 Placing a screw driver or your finger tips a into gap between lower glass panel rail and bottom face frame lift glass door as sembly until door pins clear locating holes in bottom face frame see Figure 29 2 Swing bottom glass panel assembly out Panel Out I Door Pin until door pins on lower rail clear bottom Glass Panel face frame see Figure 30 Frame Rail 3 Lower door down until upper door pins are Figure 30 Removing Replacing Glass free of locating holes in spring clips and Door place in a safe area 4 Replace glass panel in reverse order by inserting top door pins into spring clips lifting up at lower frame rail and locating bottom pins in holes on lower face frame 18 www desatech com 117437 01D FIREPLACE INSTALLATION Continued INSTALLING LOGS AND GLOWING EMBERS A 4 piece ceramic log set comes packed in side the unit firebox Removal of glass door is necessary to unpack and assemble logs and add hearth treatments Follow steps under Removing Replacing Glass Door page 18 to access logs and burner Assemble logs and add burner treatments as follows 1 Position base log onto burner log mounts see Figure 31 Burner Base Log Burner Pan Figure 31 Installing Logs Note Cut out on bottom should fit over mounts and base log should be positioned against rear panel Position holes on bottom of rear log over pins on bas
16. air shutter open ing any lower than designed minimum stop setting of 1 8 Burner Air Tube Shutter Adjustment Screw 1 8 Minimum I Air Opening Figure 41 Adjusting Air Setting 117437 01D www desatech com 23 CLEANING AND MAINTENANCE A RWARNING Turn off fireplace and let cool before cleaning A CAUTION You must keep control areas burners and cir culating air passages of fireplace clean Inspect these areas of fireplace before each use Have fireplace inspected yearly by a qualified service person Fire place may need more frequent cleaning due to excessive lint from carpeting bedding mate rial pet hair etc GLASS DOOR AX WARNING Handle glass door panel with care Do not strike slam or otherwise abuse glass Do not operate fireplace with the glass door removed cracked or broken AX WARNING Do not use abrasive cleaners as this may damage glass Use a nonabra sive household glass cleaner to clean glass Do not clean glass when hot Glass must be cleaned periodically During start up it is normal for condensation to form on the inside of the glass causing lint dust and other airborne particles to cling to the glass surface During initial start up a slight film may form on the glass due to paint curing The glass should be cleaned several times with a non ammonia non abrasive household cleaner and warm water after the first two weeks of operation Thereaf
17. air will be the responsibility of the owner TO THE FULL EXTENTALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND DESA HEATING LLC S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING LLC SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For information about this warranty write DESA DESA Heating LLC 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com I II 117437 01 117437 01 Rev D NOT A UPC 07 07
18. all leaks at once LA Open ma jaa siaal AY abats a cal Closed ru Figure 25 Equipment Shutoff Valve Equipment Shutoff Valve Propane LP f j Supply Tank Equipment Shutoff GAS j Valve 117437 01D Gas t J CONNECTIONS 1 Open equipment shutoff valve see Fig ure 25 Open propane LP supply tank valve for propane LP fireplace or main gas valve located on or near gas meter for natural gas fireplace Make sure control knob of fireplace is in the OFF position Check all joints from equipment shutoff valve to gas valve see Figure 26 for propane LP or Figure 27 for natural gas Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Light fireplace see Operating Fireplace page 20 Check all other internal joints for leaks Turn off fireplace see To Turn Off Gas to Appliance page 20 or 21 depending on your model LOUVER PANELS AND GLASS DOOR A CAUTION Do not operate this fireplace with a broken glass door panel or without the glass door panel securely in place For replacement part informa tion see Replacement Parts page 31 Figure 26 Checking Gas Joints for Propane LP Gas Fireplac
19. as Knock Out Cover 23 20090 Spring Clip 24 14418 Duplex Plug Receptacle 25 14123 Bushing Universal Strain Relief 26 11408 Bushing 0 5 Electric 27 11404 Cable Tie Down m PARTS AVAILABLE NOT SHOWN 25580 Ember Bag DE A de 27253 Notice Label 117700 01 Wiring Diagram Label 117701 01 Wiring Diagram Label Go ES ES NO ES n hero ne aso Not a field replaceable part 117437 01D www desatech com 33 PARTS BURNER ASSEMBLY FOR MODELS V CB36N V CB36P V CB36NE AND V CB36PE Piezo Ignition Models Only Electric Ignition Models Only 117437 01D www desatech com 34 PARTS This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 31 of this manual KEY NO DESCRIPTION 1 116317 01 Remote Ignitor Bracket 1 2 102445 01 Ignitor Piezo 1 3 108085 01 Pilot Orifice 51 Natural Gas 1 e 108085 02 Pilot Orifice 30 Propane LP Gas 1 108867 01 Pilot Orifice BL14LP Propane LP Gas 1 108867 02 Pilot Orifice BL22N Natural Gas 1 4 117702 01 Burner Orifice 45 Natural Gas 1 26482 Burner Orifice 55 Propane LP Gas 1 5 11214 Fitting Bulkead w Nut Brass 1 6 11226 Washer Flat 7 8 ID x 2 OD x 1 8 Thick 2 vo oe Screw 8 x 3 8 PPH F Zinc 2 8 117507 01 Pilot Assembly Natural Gas 1 117507 02 Pilot Assembly Propane LP Gas 1 10886
20. blocked Burner flame holes blocked Improper venting or exces sive blockage Excessive amounts of embers and pan material 1 Properly locate logs see Installing Logs Lava Roch and Glowing Embers page 19 2 Clean out air holes at burn erinlets Periodically repeat as needed 3 Remove blockage or re place burner 4 Have the vent system in spected including the ter mination cap Remove any restrictions or blockage 5 Clear excess embers from around rear main ports Use a minimum one layer of smaller ember pieces to achieve best glowing effect over visible areas 30 www desatech com 117437 01D REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating LLC at 1 866 672 6040 When calling DESA Heating LLC have ready your name and address model and serial numbers of your heater e how heater was malfunctioning e type of gas 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 Heating LLC at 1 866 672 6040 for referral information A list of authorized dealers can be found by v
21. cating with the factory The only warranty applicable is our standard written warranty We make no other warranty expressed or implied LIMITED WARRANTY B VENT FIREPLACE DESA Heating LLC warrants this product to be free from defects in materials and components for four 4 years from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale 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 Heating LLC Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA Heating LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The product 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 rep
22. ce Brick tile or other Opening noncombustible materials may be applied to the face provided that any fireplace openings are not blocked and gaps in the material I used and the face are sealed vvith LD a noncombustible caulhing la es Mantel from Top of Louver ona Ref Mantel Depth Ref Opening as 1 16 40 6cm A 18 45 7 cm Material May 2 14 35 6 cm B 16 40 6 cm Be Used 3 12 30 5cm C 14 35 6 cm 4 10 25 4cm D 12 30 5 cm 5 8 20 3cm E 10 25 4 cm 6 4 10 2cm F 8 20 3 cm 7 2 51cm G 6 15 2 cm Figure 9 Clearances for Combustible Mantels To Fireplace _ 10 25 4 cm gt Opening Perpendicular Side Wall Figure 8 Side Clearances for Combustible Mantels 8 www desatech com 117437 01D INSTALLATION PRECAUTIONS NOTICE Failure to follow these in structions will void the warranty e Wear gloves and safety glasses for protection e Use extreme caution when using ladders or when on roof tops e Be aware of electrical wiring locations in walls and ceilings The following actions will void the warranty on this product e Installation of any damaged venting component Unauthorized modification of the venting system Do not cut or alter vent compo nents e Installation of any component part not manufactured or approved by DESA Heat ing LLC e Installation other than as instructed by these instructions d WARNING Read all
23. e A CAUTION Wear gloves and safety glasses while handling or removing broken glass Do not remove if glass is hot Keep children and pets away from glass z Gas Valve Figure 27 Checking Gas Joints for Natural Gas Fireplace d WARNING If fireplace has been running turn off and un plug fireplace Let cool before re moving glass door or louvers www desatech com FIREPLACE INSTALLATION Continued Removing Louver Panels Remove top and bottom louver panels by simultaneously pulling both top end spring latches toward center of appliance until they are disengaged from locating holes see Figure 28 Repeat for bottom spring latches and pull louvers outward To install or replace items removed simply reverse procedures above Figure 28 Removing Louver Panel i Glass Panel Removing Replacing Glass Door Bama Ral Y d WARNING Handle glass door panel with care Do not Figure 29 Removing Replacing Glass strike slam or otherwise abuse Door glass Do not operate fire place with glass door removed cracked or broken If replacement of glass is necessary the entire assembly glass and frame must be replaced If glass is broken wear gloves and tape remaining fr
24. e log see Figure 31 Position top left log and top right log onto rear log and base log as shown in Figure 31 Break ember material into quarter sized pieces and place a single layer along the full length of ember tray to hide bottom edge of base log see Figure 32 Replace glass door and louver panels see Removing Replacing Glass Door page 18 A WARNING The glass door must be securely in place before running this fireplace Donotrun this fireplace if glass is missing or broken Figure 32 Applying Ember Material 117437 01D www desatech com 19 OPERATING FIREPLACE MANUAL IGNITION SYSTEM El FOR YOUR SAFETY READ BEFORE LIGHTING Ad WARNING If you do not fol low these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life A This appliance is equipped with an igni tion device which automatically lights the pilot Do not light pilot by hand 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 e Do not try to light any appliance Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Use only you
25. ean and adjust pilot flame for maximum flame across sensor rod Locate and correct all vent conditions see Checking for Proper Venting page 10 117437 01D www desatech com 29 TROUBLESHOOTING Continued building d WARNING If you smell gas e Shut off gas supply e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your Immediately call your gas supplier from a neighbor s phone Fol low the gas supplier s instructions e If you cannot reach your gas supplier call the fire department IMPORTANT Operating heater where impurities in air exist may create odors Cleaning sup plies 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 Fireplace produces unwanted odors 1 Gas leak See Warning statement above 1 Locate and correct all leaks see Checking Gas Con nections page 16 Gas odor when control knob is in OFF position or during combustion Gas leak See Warning statement above Control valve defective 1 Locate and correct all leaks see Checking Gas Con nections page 16 2 Replace gas control valve Dark residue on logs or inside of fireplace Improper log placement Air holes at burner inlet
26. earances for Corner 36 1 4 A 92 1 mo N 4 Installation 37 5 cm Figure 5 Framing Clearances for Flush Wall Installation 14 3 4 37 5 cm to Nailing Flanges F 7 7h 20 cm to Center of 4 B Vent 5 T a 15 cm to 38 Nailing hi 96 5 cm a El dar Flan 2 gt ge 5 1 cm 3 2 cm EA F gt k e I s S Sic o N zm 9 x 2 2 o oa 35 9 4 5 38 90 8 cm El A e 8 a Wall Switch u 3 Wall Switch Wireway E o Wireway lt Es e o 8 Ot LI 36 1 4 92 1 cm 8 20 3 cm Face Dimensions Gas Supply y Air Kit Location Inlet 37 94 cm 15 3 0 to Nailing Flange 39 cm Figure 7 Unit Dimensions 117437 01D www desatech com 7 PRE INSTALLATION PREPARATION Continued MANTEL CLEARANCES 1 Figure 8 shows projected mantel depths at o 2 various heights above top of louver opening 3 Stud Wall Figure 7 page 7 shows minimum allowable A distances from various mantel components in i ae iad i i 5 at 1 Min relation to both sides of fireplace opening g T ol Clearance d WARNING When finishing ET 4 B Vent FIS Flue Pipe appliance do not overlap com E ss bustible materials onto the black Topot louver front fa
27. ect fireplace and its individual equipment shutoff valve from gas supply piping system Pressures in excess of 1 2 psig 3 5 kPa will damage fireplace gas regulator 2 Cap off open end of gas pipe where equip ment shutoff valve was connected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas fireplace or opening main gas valve located on or near gas meter for natural gas fireplace or using compressed air 4 Check all joints of gas supply piping sys tem Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once 5 Reconnect fireplace and equipment shutoff valve to gas supply Check recon nected fittings for leaks 16 www desatech com 117437 01D FIREPLACE INSTALLATION Continued PRESSURE TESTING FIREPLACE GAS Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 2 Equipment Shutoff Valve Close equipment shutoff valve see Fig ure 25 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas fireplace or opening main gas valve located on or near gas meter for natural gas fireplace or using compressed air Check all joints from propane LP supply tank or gas meter to equipment shutoff valve see Figure 26 for propane LP or Figure 27 for natural gas Apply noncor rosive leak detection fluid to all joints Bubbles forming show a leak Correct
28. ed to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this heater A WARNING Any change to this fireplace or its controls can be dangerous AX WARNING Do notuse ablow er insert heat exchanger insert or other accessory not approved for use with this fireplace AX WARNING Do notallow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting 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 or around fireplace Fireplace reaches high tempera tures Reep children and adults avvay from hot surface to avoid burns or clothing ignition Fire place vvill remain hot for a time after shutdown Allow surfaces to cool before touching Do not operate fireplace with glass door removed cracked or broken Keep the appliance area clear Carefully supervise young chil dren when they are in the room with the fireplace and free from combustible ma terials gasoline and other flam mable vapors and liquids This prod
29. embly Manual lgnition System Only 1 When ignitor button is pressed there is spark at ODS pilot but no ignition Gas supply turned off or equipment shutoff valve closed Control knob not in PILOT position Control knob not pressed in while in PILOT position Air in gas lines when in stalled Depleted gas supply pro pane LP only ODS pilot is clogged Gas regulator setting is not correct Turn on gas supply or open equipment shutoff valve Turn control knob to PILOT position Press in control knob while in PILOT position Continue holding down control knob Repeat ignit ing operation until air is removed Contact local propane LP gas company Clean ODS pilot see Clean ing and Maintenance page 24 or replace ODS pilot assembly Replace gas regulator 26 www desatech com 117437 01D TROUBLESHOOTING OBSERVED PROBLEM Manual Ignition System Only Pilot lights but flame goes out when control knob is released Continued POSSIBLE CAUSE 1 2 Gas control knob not fully pressed in Gas control knob not pressed in long enough Equipment shutoff valve not fully open Pilot flame not touching thermocouple which al lows thermocouple to cool causing pilotto go out This problem could be caused by one or more of the fol lowing A Low gas pressure B Dirty or partially clogged pilot Thermocouple connecti
30. eshooting If so con tact DESA Heating LLC at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA Heating LLC s web site at www desatech com 117437 01D www desatech com 25 TROUBLESHOOTING A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit Note All troubleshooting items are listed in order of operation The two most common causes of a malfunctioning gas appliance are 1 Loose wiring connections 2 Construction debris clogging the pilot and or gas control valve filter OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Manual Ignition System 1 Only When ignitor button is pressed there is no spark at 2 ODS pilot Ignitor electrode not con nected to ignitor cable Ignitor cable pinched or wet Piezo ignitor nut is loose Broken ignitor cable Bad piezo ignitor Ignitor electrode positioned wrong Ignitor electrode broken 1 2 Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel Replace ignitor cable Replace piezo ignitor Replace pilot assembly Replace pilot ass
31. everal tries turn gas control knob to OFF and call your service technician or gas supplier 9 Turn on all electric power to fireplace 10 Turn gas control knob counterclockwise PF to ON 11 To leave pilot lit and shut off burners only turn control knob clockwise to the PILOT position Set wall switch or remote selector switch to OFF position to prevent draining battery 12 Close lower louver panel Regulator Cap O 8 o e Gas Control Knob Piezo Ignitor Figure 33 Control Valve Millivolt i TO TURN OFF GAS TO APPLIANCE 1 Open lower louver panel 2 Setthe wall switch to OFF position or the HRC selector switch when equipped to prevent draining the battery 3 Turn off all electric power to the appliance if service is to be performed 4 Push in gas control knob slightly and turn clockwise to OFF ai i 5 Close lovver louver panel 5 Wait five 5 minutes to clear out any 6 Close equipment shutoff valve see Figure gas Then smell for gas including near 25 page 17 20 www desatech com 117437 01D OPERATING FIREPLACE Continued MANUAL LIGHTING 11 Visually locate pilot Ignitor should begin PROCEDURE to spark and main burner should ignite once flame appears at pilot e If lighting appliance for the first time each season it may take several attempts before supply gas can reach pilot and main burner e If appliance will not stay lit after se
32. g requirements These vented fireplaces require indoor air for combustion and must be installed in a room of sufficient size to provide adequate fresh air for safe and proper operation The room intended for installation must be of sufficient size to meet the requirements for an unconfined space as defined in the National Fuel Gas Code ANSI Z223 1 NFPA 54 Airfor Combustion and Ventila tion If sufficient air for combustion is not available a makeup air kit model AK4 may be required to provide outside air to this appliance Check your local codes as to specific requirements for make up air This fireplace may be installed in any room of the house provided all local codes and these installation instructions are followed PRE INSTALLATION PREPARATION LOCATION AND SPACE REQUIREMENTS Determine the safest and most efficient loca tion for your DESA Heating LLC direct vent fireplace Make sure that rafters and wall studs are not in the way of the venting system Choose a location where the heat output is not affected by drafts air conditioning ducts windows or doors Figure 2 shows some com mon locations Be aware of all restrictions and precautions before deciding the exact location for your fireplace and termination cap When deciding the location of your fireplace follow these rules Do nat connect this fireplace to a chimney flue servicing a separate solid fuel burning fireplace or appliance Do to high temperatures do not l
33. ghting procedure several times to purge all air out of lines If after repeated attempts appliance does not light call for qualified service and repair Remove debris and dirt and inspect and clean any other possible obstructions Contact your gas supplier to check pressure Have a qualified technician replace pilot line Replace control valve Re fer to Replacement Parts page 31 Check that main power is on and that wire connec tions are made correctly to the ignition model see Wiring Diagrams page 13 Check for 24 VAC at the secondary side of the trans former If 24 VAC is present and the module does not operate have the module replaced otherwise have the transformer replaced Electronic Ignition Models Only Pilot will not stay lit 1 Loose wiring on ignitor wire to ignition module and or poor ground to ignition module 2 Pilot flame too low to sense Check wiring connection Refer to wiring diagram see Wiring Diagrams page 13 and or check ground wire to ignition module Clean and adjust pilot burner and check gas supply and inlet pressure to unit Note Have a qualified technician replace pilot assembly if broken or corroded Electronic Ignition Models Only Frequent outage of main burner and pilot after complete ignition sequence 1 Pilot flame may be too low to sense flame causing ignition module to shut down 2 Improper or restricted venting Cl
34. hand held re mote control unit See Lighting Instructions page 21 After lighting let pilot flame burn for about one minute Turn control knob to ON position Adjust flame adjustment knob anywhere be tween HI and LO Slide the selector switch to the REMOTE position see Figure 36 Note Burner may light if hand held remote was on when selector switch was last turned off You can now turn burner on and off with hand held remote control unit IMPORTANT Do not leave selector switch in the REMOTE or ON position when pilot is not lit This will drain battery Blower Control Knob Optional Accessory OFF ON 6 Variable Control Knob REMOTE z 6 Gas Control Rnob Selector Switch in in ON Position Remote Position Figure 36 Setting the Selector Switch Gas Control Knob and Variable Control Knob for Remote Operation ON OFF SERIES MODEL HRC100 Hold control button on hand held remote until burner turns on Hold control button again until burner turns off see Figure 37 TO LOCK press both buttons on hand held remote control until light stops flashing Hand held remote control is now locked If fire is on it will be turned off automatically In locked state light will not light up when any button is pressed TO UNLOCK press both buttons together on hand held remote control until light stops flashing Hand held remote is now unlocked ANO Indicator Light
35. hen smell for gas including near the floor Pilot Ignitor If you smell gas STOP Follow B in the Burner safety information page 20 If you don t Sensor smell gas go to the next step O Y o Rod 7 Turn equipment shutoff valve counter clockwise 7 gt to the ON position Do not force 8 Close lower louver panel U 9 Turn on all electric power to fireplace Figure 35 Pilot 10 Turn wall switch to the ON position OPTIONAL WIRELESS an REMOTE OPERATION 0 Note The VVRC receiver and hand held O remote control kit must be purchased sepa E e y rately see Accessories page 31 Follow et l S installation instructions included with the Figure 34 Turning Equipment Shutoff remote control Valve to the OFF Position 1 Turn equipment shutoff valve to ON posi tion You can now turn burner on and off with hand held remote unit 117437 01D www desatech com 21 OPERATING FIREPLACE Continued IMPORTANT Be sure to press the ON OFF buttons on hand held remote control unit for up to 3 seconds to assure proper operation 2 Press ON OFF button to turn the burner on and off E OPTIONAL HAND HELD REMOTE OPERATION Note All remote control accessories must be purchased separately see Accessories page 31 Follow instructions included with the remote control NOTICE You must lightthe pilot before using the
36. ifice 2 Damaged burner 2 Replace damaged burner 3 Gas regulator defective 3 Replace gas control Slight smoke or odor during initial operation Residues from manufac turing processes and logs curing Problem will stop after a few hours of operation 117437 01D www desatech com 27 TROUBLESHOOTING OBSERVED PROBLEM Heat produces a whistling noise when burner is lit Continued POSSIBLE CAUSE 1 Turning gas control knob to HI position when burner is cold 2 Air in gas line 3 Dirty or partially clogged burner orifice REMEDY 1 Turn gas control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by pro pane LP or natural gas company 3 Clean burner see Cleaning and Maintenance page 24 or replace burner orifice Glass soots 1 Flame impingement on logs 2 Debris around burner air mixer 1 Adjust the log set so the flame does equipment shut off valve 2 Inspect the opening at the base of the burner to see that it is not packed with any type of material Fireplace produces a clicking ticking noise just after burners are lit or shut off 1 Metal expanding while heating or contracting while cooling 1 This is normal If noise is excessive contact qualified service person Remote does not function 1 Battery is not installed or battery is power is low 1 Replace 9 volt batteries
37. isiting www de satech com When calling DESA Heating LLC have ready model number of your heater the replacement part number ACCESSORIES NOTE All accessories may not be available for all fireplace models Purchase these fireplace accessories from your local retailer If they can not supply these accessories call DESA Heating LLC at 1 866 672 6040 for information You can also write to the address listed on the back of this manual FLEXIBLE GAS LINE CONNECTOR CIK For all models PROPANE NATURAL GAS CONVERSION KIT PCBM 36C Propane LP Gas Millivolt Models NCBM 36C Natural Gas Millivolt Models PCBE 36C Propane LP Gas Electronic Models NCBE 36C Natural Gas Electronic Models ROLLED LOUVER TRIM KITS LTC36B Brushed Brass LTC36P Platinum FACE MANTELS FM36AP 36 primed Traditional FM36AU 36 unfinished Traditional FM36A0 36 oak stained Traditional FM36BP 36 primed Federal FM36BU 36 unfinished Federal FM36BO 36 oak stained Federal FM36CP 36 primed Classic FM36CU 36 unfinished Classic FM36CO 36 oak stained Classic FM42BP 42 primed Federal FM42BU 42 unfinished Federal FM42BO 42 oak stained Federal Face mantels frame your fireplace and can be installed around wood gas or electric fireplaces RECEIVER AND HAND HELD ON OFF REMOTE CONTROL KIT HRC100 SERIES Allows the fireplace to be turned on and off conveniently with dual
38. iver Module Extension Cord Plug Figure 18 Installing WRC Remote Receiver Battery Cover SS 12 Volt Battery _ Back of Handset y 7 Pull to Remove Insulation Tab Figure 19 Installing Battery into Back of Handset 117437 01D www desatech com 13 INSTALLING OPTIONAL CONTROLS Continued WIRING DIAGRAMS NOTICE This appliance is equipped with a vent safety shutoff switch which will shut down the appliance in case of a venting problem Do not bypass the vent safety shutoff switch If the appliance should shut down have a qualified installer service agency or your gas supplier inspect the vent before operating A CAUTION label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous opera tion Verify proper operation after servicing Millivolt Wiring Diagram Pilot Burner Thermocouple Replace factory wiring with 105 C equivalent or higher rating oO O o External wiring use only Class 2 memea wire 18 Ga Red White DO NOT CONNECT TO 120V WHITE HIGH LIMIT SWITCH TH a NC gt Il TP Incoming THAP Main Gas I Ri a Supply ee gt Guerra Wall Switch Remote Receiver Figure 20 Millivolt Ignition Wiring Diagram ELECTRONIC IGNITION gnitor e eee High Limit WIRING DIAGRAM Switch o o 2 NC a
39. l gas and vent connections follow lighting instructions and allow main burner to run for approximately 5 minutes Hold a match or butane lighter flame near opening between glass and fireplace face and play it along entire length of opening Smoke may also be used Proper venting will tend to draw flame or smoke into appliance Improper venting escaping or spillage of burned gas is indi cated when match flickers or goes out see Figure 12 Smoke will also tend to disperse away from appliance If appliance is not venting properly shut it off and notify your installer or a qualified service agency to inspect venting system Figure 12 Checking for Spillage ELECTRICAL SUPPLY CONNECTION A CAUTION Disconnect the electrical power to the supply circuit before attempting to con nect or service this appliance A prewired junction box receptacle with strain relief is provided on right side of cabinet for hard wiring unit to a 15 Amp 120 VAC 60 Hz grounded branch circuit If installation demands electrical supply be connected from the left the entire receptacle box can be relocated to the left side by following these instructions Note If you do not need to relocate the junc tion box to connect the electric supply follow steps 8 through 11 only 1 Remove 2 screws and outer cover with strain relief bushing on right side of cabi net see Figure 13 2 Remove inner retaining screw on junction box mounting tab
40. led it is for aesthetic purposes only and does not have to meet standard requirements for hearth extensions e If you plan on installing a television or entertainment center recessed above your fireplace it is recommended that you main tain a minimum 18 45 7 cm above the top of louver opening When locating the termination cap it is im portant to observe the minimum vent height and clearances required under code see Venting Installation Instructions page 9 Do not recess termination cap into a wall or siding You may paint the termination cap with 450 F 232 C heat resistant paint to coordinate with the exterior finish PACKAGING AND REMOVAL The V CB36 vented decorative gas fireplaces are packaged with the following items one box containing a 4 piece log set located on the burner in the firebox one bag containing the owner s manual with installation instructions operator s guide and warranty information one bag of glowing ember material one bag of vermiculite hearth treatments 1 Remove shrink wrap securing 2 carton trays to unit 2 Lift top carton tray off and remove four corner posts 3 Discard bottom tray once unit is moved into position Note To prevent damage to ceramic logs and glass panels you may want to remove them before positioning and framing the unit To access firebox see Louver Panels and Glass Door page 17 Figure 4 Unpacking Fireplace CLEARANCE
41. llation Preparation 5 Installation Precautions cccceeeeeeeeeeeeeeeee 9 Venting Installation ics sees cceccsscssccesescsahs ceeteceeszeiee 9 Installing Optional Controls Fireplace Installation Operating Fireplace ceccecceeseeseeeeeeeeteees 20 Inspecting BUrNe s c ceeeeeeseeeeeeeteeeeeeees 23 Cleaning and Maintenance 24 Specifications aii 25 SECS PU ies aas e 25 Technical Services 25 TrotbleshootiNd isis 26 Replacement Parts Accessories SAFETY A WARNING Improper installation adjustment alteration service or maintenance can cause injury or property dam age Refer to this manual for correct installation and operational proce dures For assistance or additional information consult a qualified in staller service agency or the gas supplier This appliance may be in stalled in an aftermarket permanently located manufactured mobile home where not prohib ited 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 2 www desatech com State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts d WARNING This product contai
42. nate vertically into a listed type vent cap and extend a sufficient height through an approved roof flashing roof jack or a roof thimble At all points the listed clearances must be maintained Vent terminations must be located in accor dance with height and proximity rules of NFPA No 54 or CAN CSA B149 These rules apply to vents at 12 diameter or less and require a minimum height in accordance with the roof pitch and a minimum of 8 foot distance from a vertical wall or obstruction see Figure 11 If venting horizontally through a side wall be comes necessary a listed thimble approved for use with B type vent must be used Check with your local codes before venting through a side wall Listed Vent Cap 1 4 Y Some codes areas allow the use of existing B type vent systems if the system is at or above the recommended diameter of the flue The flue connection must be made using listed B type connectors and the existing system must be code inspected for damage and proper installation It is not recommended that this appliance be common vented with and existing gas burning appliance However if it becomes necessary to common vent the appliance The venting system must be sized and configured in ac cordance with the common venting guides Appendix G of the current National Fuel Gas Code NFPA No 54 ANSI Z223 1 and in Canada with CAN CSA B149 Note Before connecting this appliance to an existing vent system
43. nly 15 Provide adequate clearances around air openings LOCAL CODES Install and use fireplace with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI Z223 1 NFPA 54 USA or th e current CSA B149 1 Installation Code Canada Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 4 www desatech com 117437 01D PRODUCT FEATURES These are a few facts that can help you un derstand and enjoy your vented decorative fireplace The V CB36N E and V CB36P E series of vented decorative fireplaces may be recessed into an exterior chase an interior flush wall enclosure or a framed in corner installation Models V CB36N and V CB36P are equipped with a millivolt gas control system that does not require electricity to operate A piezo ignitor is provided to light the pilot without using matches or lighters Models V CB36N E and V CB36P E are equipped with an electronic ignition system that requires 120 VAC to operate An electrode ignitor automatically lights the pilot flame when the fireplace is turned on These fireplaces can accept any approved 4 B Type venting system and must be terminated vertically through the roof using a listed type vent cap only See venting instructions starting on page 8 for proper ventin
44. ns and or generates chemicals known to the State of California to cause cancer or birth defects or other reproduc tive harm IMPORTANT Read this owner s manual carefully and completely before trying to assemble op erate or service this fireplace Improper use of this fireplace can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death 117437 01D SAFETY Continued This fireplace is a vented product This fireplace will not produce any gas leakage into your home if properly installed This fireplace must be installed by a qualified certified or licensed ser vice person If this unit is not properly installed by a qualified service person gas and or carbon monoxide leakage spillage can occur Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the fireplace may not be working properly Get fresh air at once Have fireplace serviced Some people are more af fected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influ ence of alcohol and those at high altitudes Natural and Propane LP Gas Natural and propane LP gases are odorless An odor mak ing agent is added to these gases The odor helps you detect a gas leak However the odor add
45. ocate this fireplace in high traffic areas windy or drafty areas or near furniture or draperies Proper clearances must be maintained If your fireplace is to be installed directly on carpeting vinyl tile or any combustible mate rial other than wood it must be installed on a metal or wood panel extending the full width and depth of the fireplace see Figure 3 Only trim kits supplied by DESA Heating LLC shall be used in the installation of this fireplace see Accessories page 31 Do not install aftermarket vent dampers Manual or automatic vent dampers are not approved for use with this appliance a Es a O M 7 7 Z Flush with a wall Through exterior wall enclosed in a chase MU Figure 2 Common Fireplace Locations den 63 5 cm 3 91 4 cm 36 91 4 cm Figure 3 Fireplace Bottom Dimensions 117437 01D www desatech com 5 PRE INSTALLATION PREPARATION Continued e Your fireplace is designed to be used in zero clearance installations Wall or framing material can be placed directly against any exterior surface on the back sides or top of your fireplace except when clearances are required from flue vent pipe see Clear ances e If recessed into a wall you can avoid extra framing by positioning your fireplace against an already existing framing member A hearth extension is not required with this appliance If one is instal
46. on loose at control valve Thermocouple damaged Control valve damaged REMEDY 1 2 Press in gas control knob fully After pilot lights keep gas control knob pressed in 30 seconds Fully open equipment shut off valve A Contact local natural or propane LP gas company B Clean pilot see Cleaning and Maintenance page 24 or replace pilot assembly Hand tighten until snug then tighten 1 4 turn more Replace pilot assembly Replace control valve Burner does not light after pilot is lit or cycles during operation Burner orifice clogged Inlet gas pressure is too low Thermopile leads dis connected or improperly connected Thermopile is defective Improper venting or exces sive blockage Clean burner see Cleaning and Maintenance page 24 or replace burner orifice Contact local propane LP or natural gas company Reconnect leads Replace thermopile Have the vent system in spected including the ter mination cap Remove any restriction or obstruction Delayed ignition at burner Manifold pressure too low Contact local propane LP or natural gas company 2 Burner porting or orifice 2 Clean burner see Cleaning clogged and Maintenance page 24 or replace burner orifice Burner backfiring during com 1 Burner orifice is cloggedor 1 Clean burner see Cleaning bustion damaged and Maintenance page 24 or replace burner or
47. one bare wire end to each of terminals of GWMS2 wall switch 4 Install wall switch and cover in wall Wire Harness From High Limit Switch Remote Receiver or Wall Switch to TT Terminal Marked TH IMPORTANT Do not use any other wire than that provided with GVVMS2 wall switch kit Do notexceed 15 feet of distance from valve con nection Using wire of higher gauge or turns or exceeding minimum distance will increase resistance at control valve causing unreliable performance of fireplace controls INSTALLING OPTIONAL WIRELESS HAND HELD REMOTE CONTROL MODEL HRC100 Installing Remote Receiver 1 Open bottom louver and locate switch bracket on right side 2 Locate battery clip mounted on back of receiver Slide a 9 volt alkaline battery not included through clip 3 Attach terminal wires to battery see Figure 15 je P Receiver LIQ o vot a ol Fo LE Alkaline a2 az Battery gt lt Male Connector to S il Remote Receiver I I or Wall Switch Terminal Figure 14 Connecting Remote Receiver Wires or Wall Switch to the Gas Control Valve Battery Clip Figure 15 Attaching Alkaline Battery to Receiver 12 www desatech com 117437 01D INSTALLING OPTIONAL CONTROLS Continued 4 Connect one wire from receiver to male connector on high limit harness and one to TH on control valve see Figure 14 page 12 5 Locate two plastic mounting clips provided
48. or a common venting system consult with your local architect plan ner or building official Listed La Vent Cap Hsen En baaa i DA Maintain I i Maintain 1 1 LA Listed Listed ti Clearance Clearance 1 C Maintain NH 2 Support Each Maintain Listed I Lateral At Listed Clearance 7 A Least Every Clearance P 160 6 Feet i 12 Min 8 zaa 6 Paai Position 19 Mi iresto iti Firest Mi 12 Min p a irestop 12 Min f 5 N Maintain o Maintain Listed Listed Listed Clearance Clearance Clearance A y y EXAMPLE 1 EXAMPLE 2 EXAMPLE 3 Figure 10 Typical B Vent Configuration Roof Pitch H Min Lowest Listed Flat to 6 12 1 0 ft 0 3 m Discharge Vent Cap 6 12 to 7 12 1 25 ft 0 38 m Opening Over 7 12 to 8 12 1 5 ft 0 46 m STEN Over 8 12 to 9 12 2 0 ft 0 61 m man o Over 9 12 to 10 12 2 5 ft 0 76 m Gas x Over 10 12 to 11 12 3 25 ft 0 99 m Vent 12 N Over 11 12 to 12 12 4 0 ft 1 22 m Roof Pitch x 12 Over 12 12 to 14 12 5 0 ft 1 52 m il Listed Clearance Over 14 12 to 16 12 6 0 ft 1 83 m dea Over 16 12 to 18 12 7 0 ft 2 13 m From Roof Ld Over 18 12 to 20 12 7 5 ft 2 27 m Over 20 12 to 21 12 8 0 ft 2 44 m Figure 11 B Vent Termination 10 www desatech com 117437 01D VENTING INSTALLATION Continued CHECKING FOR PROPER VENTING After completing and checking electrica
49. quipment shutoff valve e test gauge connection sediment trap e tee joint e pipe wrench approved flexible gas line with gas connec tor if allowed by local codes A CSA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable al ternative to test gauge connection Purchase the CSA design certified equipment shutoff valve from your retailer For propane LP connection only installer must supply an external regulator External regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 of water If you do not reduce incoming gas pressure fireplace regulator damage could occur Install external regulator with vent pointing down as shown in Figure 22 Pointing vent down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 diameter or greater to allow proper gas volume to fireplace If pipe is too small undue loss of volume will occur 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 fireplace see Figure 23 Propane LP Supply Tank External Regulator with Vent Pointing Down Figure 22 External Regulator with Vent Pointing Down Propane LP Only CSA
50. r hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician 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 INSTRUCTIONS 1 STOP Read the safety information above 2 Open lower louver panel 3 Turn off all electric power to the fireplace 4 Push in gas control knob slightly and turn clockwise to OFF see Figure 33 o the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 6 The pilotis located by the main burner and should not require accessing for lighting 7 Turn gas control knob counterclockwise y c to PILOT 8 Push in gas control knob all the way and hold Immediately light the pilot by repeat edly pressing the piezo ignitor until a flame appears Continue to hold for about one 1 minute after the pilot is lit Release gas control knob and it will pop up Pilot should remain lit If it goes out repeat steps 5 through 8 e If gas control knob does not pop up when released stop and immediately call your service technician or gas supplier If the pilot will not stay lit after s
51. safety lock feature REMOTE CONTROL KIT WRC SERIES Standard ON OFF elec Y tronic remote control kit WALL MOUNTED ON OFF SWITCH GWMS2 Allows burner system to be turned on and off with a wall switch 117437 01D www desatech com 31 PARTS FIREPLACE ASSEMBLY FOR MODELS V CB36N V CB36P V CB36NE AND V CB36PE 117437 01D www desatech com 32 PARTS This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 31 of this manual KEY NO PART NO DESCRIPTION 1 116108 01 Log Set 1 1 116109 01 Burner Base Log 1 2 116110 01 Rear Log 1 3 111802 05 Right Top Log 1 4 111802 04 Left Top Log 2 117447 01 Burner Assembly Complete See pages 30 and 32 3 114889 01 Junction Box Duplex Plug 4 106967 01 Damper Assembly 5 117461 01 Vent Baffle 6 7 8 117456 01 Diverter Panel DO OO 117455 01 Heat Deflector 114875 02 Fireplace Surround 9 117450 01 Wire Harness Assembly 10 117451 01 Fireplace Top 11 117452 01 Fireplace Top Insulation 12 117445 01 Louver Assembly S 117458 01 Hanger Bracket 14 117446 01 Glass Door Assembly EE ES Face Assembly 16 bd Firebox Assembly see pages 32 and 33 for details 17 110973 01 Cover Junction Box 18 106543 01 High Limit Switch 19 26782 Screen Assembly 20 26290 Firebox Leg 21 24460 Gas Conduit Assembly 22 e 21171 G
52. see sections under Troubleshooting page 25 Thermopile Piezo Ignitor Ss Figure 38 Pilot Assembly Millivolt Ignition System Pilot FA Sensor Burner Rod El e gt Piezo O Q Ignitor i Figure 39 Pilot Assembly Electronic Ignition System BURNER FLAME PATTERNS Burner flames will be steady not lifting or floating Flame patterns will differ from unit to unit and will vary depending on installation type and weather conditions If vent configuration is installed incorrectiy flames will lift or ghost This can be danger ous Inspect flames after installation to ensure proper installation and performance Figure 40 shows a typical flame pattern If burner flame pattern differs from that de scribed e turn fireplace off see To Turn Off Gas to Appliance page 20 or 21 see Troubleshooting page 25 Figure 40 Typical Flame Pattern AIR ADJUSTMENT SETTING The main burner air shutter opening is factory set to the following Natural Gas 1 8 Propane LP Gas 3 4 Air shutter may require adjustment depending on altitude venting condition burner opera tion and general flame appearance If flames are lifting or sooting shutter may require opening If flames are too blue or im properly lighting shutter may require closing See Figure 41 for proper air adjustment IMPORTANT Do not reduce
53. ter clean the glass two or three times during each heating season depending on the usage and circum stances present Refer to Removing Replac ing Glass Door page 18 when removing glass door for cleaning A WARNING Only parts sup plied by the manufacturer should be used when replacing broken or damaged glass door panel see Replacement Parts page 31 This glass door panel is a complete unit No substitute materials may be used A CAUTION Wear gloves and safety glasses while handling or removing broken glass Do not remove if glass is hot Keep children and pets away from glass If glass has been broken carefully remove glass door see Removing Replacing Glass Door page 18 Vacuum all glass pieces with a shop vac A CAUTION Do not vacuum if pieces are hot Use only the tempered glass door replace ment intended for this fireplace see Replace ment Parts page 31 for detail on ordering No substitutions may be made See Remov ing Replacing Glass Door page 18 for instruc tions for replacing glass door AX WARNING Do not block required air openings around glass or louver panels Venti lated compartments should be inspected and vacuumedatleast once a year to prevent blockage prior to operation PILOT AND BURNERS Remove ember material before cleaning burners and replace e Burner and controls should be cleaned with compressed air to remove dust dirt or lint
54. ting air passages clean More frequent cleaning may be needed due to excessive lint and dust from carpeting bedding material etc Turn off the gas valve and pilot light before cleaning fireplace PRODUCT IDENTIFICATION Top Louver Panel 4 B Vent Flue Collar Nailing Flange Glass Door Assembly Log Set Junction Box Electronic Ignition Only Bottom Louver Panel Valve Ember Tray Figure 1 B Vent Fireplace 8 Have fireplace and venting system inspect ed annually by a qualified service person If needed have venting system cleaned or repaired See Cleaning and Maintenance page 24 Do not use this fireplace to cook food or burn paper or other objects 10 Do not use any solid fuels wood coal pa 11 per cardboard etc in this fireplace Use only gas type indicated on nameplate This appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electric Code ANSI NFPA 70 or the Canadian Electric Code CSA C22 1 12 Do not use fireplace if any part has been exposed to or under water Immediately call a qualified service technician to ar range for replacement of the unit 13 Do not operate fireplace if any log is bro ken or missing 14 To prevent performance problems do not use propane LP fuel tank of less than 100 Ib 45 kg capacity propane LP units o
55. uct is intended only as a supplement to your central heating system and is not to be installed as a primary source of heat You may use this product for emergency heating during a power outage 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 unless a certified kit is used Do nat place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors propane LP units only 117437 01D www desatech com 3 SAFETY Continued 3 If you smell gas e shut off gas supply e do not try to light any appliance e do not touch any electrical switch do not use any phone in your building e immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions if you cannot reach your gas supplier call the fire department 4 Never install the fireplace in a recreational vehicle in windy or drafty areas where curtains or other combustible flammable objects can make contact with the fireplace front in high traffic areas 5 Do not modify this fireplace under any circumstances Any parts removed for servicing must be replaced prior to operat ing fireplace 6 Turn fireplace off and let cool before servicing installing or repairing Only a qualified service person should install service or repair this fireplace 7 You must keep control compartments burners and circula
56. veral Remove glass door see Removing Re placing Glass Door page 18 2 Follow steps 1 through 8 under Lighting Instructions page 20 3 Press gas control knob and light pilot with match k 4 Keep gas control knob pressed in for 30 attempts follow instructions in To Turn seconds after lighting pilot After 30 sec Off Gas To Appliance and call your onds release gas control knob Follow service technician or gas supplier steps 10 through 11 under Lighting Instruc NOTICE During initial operation 5 ee see Removing Re ar a mew heaten Me uming of RT A residues from the manufacturing placing Glass Door 18 ES es ae ec El process of the firebox and logs ELECTRONIC IGNITION will produce a paper burning smell SYSTEM andorangeflames Openawindow forthe first few hours of operation LIGHTING EES INSTRUCTIONS ESE to adequately vent this smell I a 1 Sr the safety information TO TURN OFF GAS 2 Turn off all electrical povver to the fire TO APPLIANCE place Turn off wall switch 3 Turn wall switch to the OFF position h Turn off all electric povver to appliance if service is to be performed 4 Open lower louver panel 5 Turn equipment shutoff valve clockwise 35 Openilower louver panel Dx to the OFF position see Figure 4 Turn equipment shutoff valve clockwise 34 Do not force 7 N to OFF Do not force 6 Wait five 5 minutes to clear out any gas 5 Close lower louver panel T
57. with kit 6 Use clips to mount receiver on remote mounting bracket as shown in Figure 16 Plastic Mounting Clips Towards Front Remote Receiver Figure 16 Mounting Remote Receiver to Bracket Installing 9 Volt Alkaline Battery in Hand Held Remote Control Unit 1 Remove battery cover on back of remote control unit 2 Attach terminal wires to a 9 volt alkaline battery not included Place battery into battery housing see Figure 17 3 Replace battery cover onto remote con trol unit Battery Cover SK Terminal Wires 9 Volt Battery Housing Figure 17 Installing Battery in Hand Held Control Unit HRC100 Series INSTALLING OPTIONAL WIRELESS REMOTE CONTROL MODEL WRC Electronic Ignition Installing and Activating the Remote Receiver 1 Open bottom louver and locate plug re ceptacle Plug receptacle is located either on right or left side of cabinet 2 The WRC model receiver does not require a battery Receiver can be installed by first plugging short extension cord into fireplace receptacle Then plug receiver unit into extension cord Finally plug igni tion module plug into receiver unit see Figure 18 3 Activate remote handset battery by re moving insulating tab on back of handset see Figure 19 Battery is included pre installed 4 Once battery is activated unit is ready to use 5 Replace bottom louver panel Fireplace 4 Remote Receptacle Control Rece

Desa CB36P Gas Heater User Manual

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