Desa VM42(B User's Manual
Contents
1. Stand Off Collar t HEARTH AREA DIMENSIONS 13 5 B 7 Alternate Gas Supply Inlet 1 mn I i X Glass Door 1 5 i Optional NE all ILA gt z 2o 1 k t Outside Air I Kit Location LL LI Optional H I L N O AK LI LII f gt LL LL S Ths t it rot Lopes iit L L aQ L M Model 36 Model 42 Model 36 Model 42 Model 36 Model 42 A 29 36 I 40 1 4 44 4 Q 137 14 B 5 8 5 8 J 21 24 R 10 1 2 12 1 2 C 41 48 Ke 9 s 212 2 1 2 D 12 14 L 34 9 4 42 T 81s 8 1 8 E 211 23 M 42 49 U 11 12 3 4 F 22 1 4 24 w o Brick 29 1 4 31 w o Brick N 36 40 v7 TN G 32 9 8 34 w o Brick 39 1 2 41 1 4 w o Brick O 37 41 W 2 1 4 2 1 4 H I 15 3 4 16 9 4 w o Brick 17 3 4 18 3 4 w o Brick I P 18 s 10 1 2 X 15 4 1 2 Figure 1 Appliance Dimensions For more information visit www de 108795 01M SELECTING LOCATION To determine the safest and most efficient location for your a2. For more information visit www desat 108795 01M VENTING INSTALLATION Continued Vent terminations must be located in accordance with height and proximity rules of NFPA No 54 or CAN CGA B149 These rules apply to vents at 12 in diameter or less and require a minimum height in accordance with the roof pitch and a minimum of 8 ft distance from a vertical wall or obstruction see Figure 11 If venting horizontally through a side wall becomes 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 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 in this case 6 The flue connection must be made using listed B type connectors and the existing system must be code inspected for damage and proper installation Itis not recommended that this appliance be common vented with an existing gas burning appliance However if it becomes necessary to common vent this appliance the venting system must be sized and configured in accordance with the common venting guides Appendix G of the current National Fuel Gas Code ANSI Z223 1 NFPA 54 and in Canada with CAN CGA B149 Note Before connecting this appliance to an existing vent system or a common venting system consult with your local architect planner or building official Lowest Listed Discharge Vent Cap Openin
3. B VENT DECORATIVE GAS FIREPLACE OWNER S OPERATION AND INSTALLATION MANUAL MODELS M36 B H M42 B H VM36 B H AND VM42 B H NATURAL GAS WARNING If the information in these instructions is not followed exactly a fire or explosion may re sult causing property damage personal injury or death FOR YOUR SAFETY Do not store or use gasoline or any other flam mable vapors or liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance Do not touch any electrical switch Do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier Aftermarket Completion of sale not for purpose of resale from the manufacturer Save this manual for future reference MODELS M36P B H M42P B H VM36P B H AND VM42P B H PROPANE LP GAS SAVE THIS BOOK This book is valuable In addition to instructing you on how to install and maintain your appliance it also contains information that will enable you to obtain replacement parts or optional accessory items when needed Keep it with your other im portant papers WARNING Improper installation adjust ment alteration service
4. Y Log 108723 01 Top Left Log 11 108722 01 Top Left Log 13 2 Y Log 108838 01 Inside Top Left Log 15 3 4 Split 108721 01 Inside Top Right Log 16 108720 01 Top Right Log 11 3 4 For more information visit www d osa 108795 01M 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 __________________________ 7or9 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 1 Where will the product be used O Living Family Room Office Warehouse O Utility Shed Outbuilding Garage O Bedroom O Bathroom O Other If you bought this product yourself did you plan to purchase 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 10 000 to 25 000 2
5. may vary within your state province or local codes jurisdiction Therefore it is recommended that you check with your local build ing codes for specific requirements or in absence of local codes follow Section 7 0 of the current National Fuel Gas Code ANSI Z223 1 NFPA 54 and in Canada with CAN CGA B149 for Category I 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 system or a masonry chimney using a B vent adapter or a chimney liner system if all are listed inspected and approved by local codes and or building authorities The examples shown in Figure 10 are typical of most B vent instal lations and codes practices ro s lI li tt Maintain 11 A lio Listed Listed i 097 Clearance 247 Clearance ip ag coe 227 Saat a Support Each f Pr 1 _ Lateral At i i 1 SY Least Every it tt I gt Example 1 Shows the minimum allowable system height and lateral offset for a 60 degree or greater inclination Code specifies that offsets at 60 degrees or greater are considered horizontal and must follow the 75 percent rule for lateral to total vertical system height Codes also allows only one offset in the total system when at 60 degrees or greater The total vertical height in this
6. 40 Pilot For more information visit 108795 01M OPERATING FIREPLACE Continued MN OPTIONAL HAND HELD Hm REMOTE OPERATION Note The receiver and hand held remote control kit must be purchased separately see Accessories page 27 Follow instal lation instructions on page 10 of this manual 1 After lighting let pilot flame burn for about one minute Turn control knob to ON position Slide the selector switch to the REMOTE position Note The burner may light if hand held remote was on when selector switch was last turned off You can now turn the burner 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 2 Press the control button on the hand held remote to turn the burner on Press the control button again to turn burner off see Figure 41 3 To Lock press both buttons on remote control until light stops flashing Remote is now locked If the fire is on it will be turned off automatically In the locked state the light will not light up when any button is pressed 4 To Unlock press both buttons together on remote control until light stops flashing The remote is now unlocked Control Button Turns Burners On and Off Figure 41 On Off Hand Held Remote Control Unit GHRCB rmation visit www desatech com 108795 01M INSPECTING BURNERS Check pilot flame pattern and b
7. No gas or low gas pressure 4 If using propane LP gas no propane LP gas in tank 1 Check for spark at the electrode and pilot if no spark and electrode wire is properly connected replace ignitor 2 Using a match light pilot If pilot lights turn off pilot and trigger the red button again If pilot lights an improper gas air mixture caused the improper lighting and a longer purge period is recom mended If pilot will not light check gap at electrode and pilot Gap should be 1 8 to have a strong spark If okay replace pilot 3 A Check remote shut off valves from fireplace Usually there is a valve near the fireplace and sometimes there is a valve near the main There can be more than one 1 valve between the fireplace and main B Low pressure can be caused by a va riety of situations such as bent line too narrow diameter of pipe or even low line pressure Check for kinked lines If none consult with plumber or gas supplier 4 Check propane LP supply and contact local propane LP supplier Fireplace produces a clicking ticking noise just after burner is lit or shut off 1 Metal expanding while heating or con tracting while cooling 1 This is common with most fireplaces If noise is excessive contact qualified service person For more information visit www desatec 108795 01M TROUBLESHOOTING Continued building WARNING If you smell gas e Shut off gas supply e Do not try to ligh
8. floor level a platform must be built to support the appliance 3 Install the supply line to the appliance using a 1 2 NPT black M36 B H M36P B H M42 B H M42P B H iron gas line terminating 2 5 16 above the bottom of the ap VM36 B H VM36P B H VM42 B H VM42P B H pliance The gas line must be installed through the lower left e me side access point or alternate access hole in the bottom of the d aa ve 622 3 mMm 21 he 100 1 mm appliance see Figure 19 page 11 B 73 la 1876 4 mm 83 7 s 2130 4 mm 4 Repack insulation around the gas line to cover any remaining C 52 9 16 1326 mm 59 5 6 1506 6 mm openings in the conduit sleeve Prepare the incoming gas line D 17 1 4 438 2 mm 19 1 2 495 3 mm with teflon tape or pipe joint compound and hook up incoming gas line to the flexible gas line Note If 1 2 NPT black iron pipe does not mate with fitting at the end of flexible gas line remove fitting and replace with a 37 degree flare 3 4 12 1 2 NPT female fitting INSTALLING TRANSITION PIPE AND Figure 8 Corner Installation Guidelines STARTER COLLAR WARNING When finishing appliance do not overlap The transition pipe and starter collar shown in Figure 9 are supplied combustible material onto the black front face Brick with the fireplace unattached and ready for installation Remove tile or other noncombustible materials may be applied the starter collar and set aside Slide
9. or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a quali fied installer service agency or the gas supplier NOT FOR USE WITH SOLID FUEL CHECK LOCAL CODES PRIOR TO INSTALLATION MASSACHUSETTS STATE CODE RE QUIRES THE VENT DAMPER TO BE WELDED OPEN OR REMOVED This appliance may be installed in an aftermarket permanently located manufactured mobile home where not prohibited by state or 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 unless a certified kit is used DESA TABLE OF CONTENTS Safety InfoMine 2 WIN ACKING respo traia 3 INtrOdUCION PE tai 3 Product Spediticatlbns em marusiimsitenessnvneisvndiisksnkssiemgaeivar 4 Selecting LOc tbn carter 5 Pre Installation Preparation rrsvrnnvsnvonnnnvonnrvvrnnrnnrnnnrnvensrrvenennn 5 Venting Installation comoda 8 FE ee de EE ai aaRS 10 Operating FIT plaCe sirrimi aa e sitiar causes 16 Inspecting Burners Cleaning and Maintenance scrcu 18 AT ne Dig 0 aaron 18 SENICE FINS nesten siden 18 Technical SORVICG sesses casces exces cotsdensededenssecesaeiaessaascewerctesmsienenacacteds 18 Replacement Parts econo iia 18 TROUDIESHOOUING EE innata 19 Illustrated Parts Breakdown and Parts List ssnrnrnnvrrrnrnvrnrrvnrnr 22 IACCESSOMOS nonsens 27 Warranty Information oss
10. 2B Bottom Front Refractory Herringbone M36H M42H Bottom Front Refractory Std Brick VM36 VM42 VM36B VM42B Bottom Front Refractory Herringbone VM36H VM42H Firebox Support Leg Damper Can Collar ho a p a oa a A a 106691 01 106699 01 106703 01 kk 106948 02 107796 01 107742 01 107795 01 107748 01 107985 01 901681 01 11209 11147 901066 01 901066 02 901064 03 901065 13 108084 01 108084 03 108085 01 108085 02 11102 14512 14513 107741 01 14261 111288 02 108769 01 108005 01 108005 02 11418 12105 901155 01 901156 01 901157 01 22180 1 07839 01 106699 01 106703 01 kk 107823 02 107796 02 107742 02 107831 01 107748 01 107985 02 901681 01 11209 11147 901066 01 901066 02 901064 08 901065 12 108084 01 108084 03 108085 01 108085 02 11102 14512 14513 107741 01 14261 111288 02 108769 02 108005 01 108005 02 11418 107840 01 14123 106543 01 20488 20027 20042 20088 20089 20090 20280 k Screen Rod Firebox Top Assembly Transition 6 B Vent Collar Air Kit Door Assembly Firebox Face Smoke Deflector Fireplace Top Insulation Grate Assembly Burner Pan Burner Tube Burner Bracket Pilot Shield Burner Clamp Nut 10 24 Screw 10 24 x 1 2 Brass Air Mixer NG Brass Air Mixer LP Orifice NG Orifice LP Pilot Natural Gas Pilot Propane LP Gas Pilot Orifice NG Pilot Orifice LP Screw 8 32 x 3 8 Gas Control V
11. 4 After wire connections are complete replace refractory access panel Figure 13 Removing Front Refractory Access Panel OPTIONAL WIRELESS HAND HELD REMOTE CONTROL INSTALLATION Note If using optional wireless hand held remote control the wall switch is no longer operational Installing Receiver 1 Remove the front refractory access panel by lifting up and angling out of the firebox opening see Figure 13 to expose controls 2 Disconnect wall switch wires from TH and TH TP terminals on control valve see Figure 14 3 Install remote receiver unit onto mounting bracket using the two plastic mounting clips see Figure 15 4 Connect wires to control circuit Connect white wire to termi nal marked TH TP on control valve Connect red wire to male blade connector provided at open end of safety circuit wiring see Wiring Diagram page 18 5 Locate the battery clip mounted on the back of the receiver see Figure 16 6 Slide 9 volt battery not included through the clip Note Only use alkaline battery 7 Attach the terminal wires to the battery see Figure 16 8 Replace refractory brick access panel Route Millivolt Wires Supplied Through Gas Line Conduit Sleeve Wall Switch To Safety Circuit Supplied To Thermopile ZN es Back View Note If a
12. 5 000 to 50 000 O 50 000 to 100 000 O 100 000 to 250 000 O Over 250 000 5 What is your primary source of heat O Propane LP Gas O Fuel Oil OWood O Natural Gas O Electric O Other 6 How was the product installed O Professional Installer O 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 O Home Center Builder s Supply O Fireplace or Hearth Shop O Farm Store O Other 10 What motivated you to buy this product O Sudden Cold Weather O Replace Older Model O D I Y Home Project O Emergency Back Up Heat O Heater was on Sale O Energy Savings High Efficiency O Construction Project 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 O Completed High School O Completed College Completed Graduate School 13 Age of Purchaser O Under20 020 29 O30 39 040 49 050 59 060 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 Name City State 16 In choosing this product how important were the following Not Important Somewhat Important Very Important Availability O O O Price O O O Brand Name O O O Overall Quality O O O Heat Out
13. 9 02 107814 02 108165 02 108170 02 106659 01 107814 01 108165 01 108170 01 106660 02 107816 02 108166 02 108171 02 106660 01 107816 01 108166 01 108171 01 106661 02 107818 02 108167 02 108172 02 106661 01 107818 01 108167 01 108172 01 106662 02 107820 02 108168 02 108173 02 106662 01 107820 01 108168 01 108173 01 kk 106887 02 106687 01 Not a field replaceable part 108795 01M Micro Switch Insulation Pan Fireplace Top Assembly Fireplace Surround Air Rod Retainer Damper Rod Retainer Panel Closure Firebox Bottom Firebox Surround Air Separator Bushing Left Refractory Std Brick M36B M42B Left Refractory Herringbone M36H M42H Left Refractory Std Brick VM36B VM42B Left Refractory Herringbone VM36H VM42H Right Refractory Std Brick M36B M42B Right Refractory Herringbone M36H M42H Right Refractory Std Brick VM36B VM42B Right Refractory Herringbone VM36H VM42H Rear Refractory Std Brick M36B M42B Rear Refractory Herringbone M36H M42H Rear Refractory Std Brick VM36B VM42B Rear Refractory Herringbone VM36H VM42H Bottom Rear Refractory Std Brick M36 M42 M36B M42B Bottom Rear Refractory Herringbone M36H M42H Bottom Rear Refractory Std Brick VM36 VM42 VM36B VM42B Bottom Rear Refractory Herringbone VM36H VM42H Bottom Front Refractory Std Brick M36 M42 M36B M4
14. ICK LINER For M36 B H M36P B H M42 B H and M42P B H BL36 36 Refractory Standard Brick Liner Kit BL42 42 Refractory Standard Brick Liner Kit BL36H 36 Refractory Herringbone Brick Liner Kit BL42H 42 Refractory Herringbone Brick Liner Kit formation visit www desatech com 108795 01M For VM36 B H VM36P B H VM42 B H and VM42P B H BL36S 36 Refractory Standard Brick Liner Kit BL42S 42 Refractory Standard Brick Liner Kit BL36HS 36 Refractory Herringbone Brick Liner Kit BL42HS 42 Refractory Herringbone Brick Liner Kit BLOWER KIT BK Squirrel Cage Blower With Speed Control BK3E Triple Fan Blower System PERIMETER TRIM PT36 36 Perimeter Trim Black PT36B 36 Perimeter Trim Brushed Brass PT36PB 36 Perimeter Trim Polished Brass PT36P 36 Perimeter Trim Platinum PT42 42 Perimeter Trim Black PT42B 42 Perimeter Trim Brushed Brass PT42PB 42 Perimeter Trim Polished Brass PT42P 42 Perimeter Trim Platinum LOUVER TRIM Rolled Louvers Only LT36B 36 Louver Trim Kit Brushed Brass LT36P 36 Louver Trim Kit Platinum LT36PB 36 Louver Trim Kit for VM36 B H Polished Brass LT42B 42 Louver Trim Kit Brushed Brass LT42P 42 Louver Trim Kit Platinum LT42PB 42 Louver Trim Kit for VM42 B H Polished Brass FACE LOUVER PANEL KITS SP36 SP42 Smooth Faced Panel Kit Black SL36 SL42 Stamped Louver Panel Kit Black RL36 RL42 Rolled
15. Louver Kit Black FP36 FP42 Filigree Panel Kit Black FP36B FP42B Filigree Panel Kit Brushed Brass FP36P FP42P Filigree Panel Kit Platinum FP36PB FP42PB Filigree Panel Kit Polished Brass FIRE CRACKLE CF6 A Creates the sound of a real burning fire DESN 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 B VENT FIREPLACE DESA warrants this product to be free from defects in materials and components for four 4 years from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA who will provide original factory replacement parts Failure to use original factory replacemen
16. Rear Log Remove the two plastic quick ties from around the burner and grate Grate Stand Lift off of burner pan Check all items for any shipping damage If damaged promptly inform dealer or distributor where you bought the product Safely retain these items for later installation INTRODUCTION Models M36 P B H VM36 P B H M42 P B H and VM42 P B H are vented gas fireplaces that use a millivolt gas control valve with a millivolt ignition system A 6 B Type venting system and a listed type vent cap are not supplied but are required for proper operation See venting instructions on pages 9 and 10 A WARNING This gas appliance must not be con nected to a chimney flue servicing a solid fuel burning appliance Models M36 B H VM36 B H M42 B H and VM42 B H are factory equipped for use with natural gas and must be converted when intended for use with propane LP gas A respective model PCBM 36 or PCBM 42 conversion kit may be purchased for simple conversion to propane LP gas See Accessories page 27 BEFORE YOU BEGIN Before beginning the installation of your appliance read these instructions through completely This DESA appliance and its approved components are safe when installed according to this installation manual and are operated as recommended by DESA Unless you use DESA approved com ponents tested for this appliance YOU MAY CAUSE A FIRE HAZARD The DESA warranty will be voided by and DESA di
17. UTOFF SWITCH SUPPLY o E eee PILOT SAFETY WIRE WALL SWITCH SUPPLIED SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit e burner will have delayed ignition e fireplace will not produce specified heat e propane LP gas supply may be low if using propane LP gas If using propane LP gas you may feel your gas pressure is too low If so contact your local propane LP gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA s Technical Service Depart ment at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA s Technical Services web site at www desatech com REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA s Technical Service Depart ment at 1 866 672 6040 for referral information When calling DESA have ready your name your address model and serial numbers of your fireplace how fireplace was malfunctioning type of gas used propane LP or natural gas e purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product I
18. alve NG Gas Control Valve LP Valve Bracket Piezo Ignitor Manual Valve with Flex Hose Extension Deflector Wire Harness Wire Harness Push On Nut Screen Strain Relief Limit Switch Collar Insulation Starter Collar Brick Liner Retainer Air Kit Cover Door Stop Pivot Clip Spring Clip Top Spacer Gas Knockout Cover Gas Conduit Gas Conduit Draft Diverter Box Assembly Screw 10 x 5 8 Mod Tr Blk Ox PARTS AVAILABLE NOT SHOWN 901155 01 901156 01 901157 01 22180 Vermiculite Bag Pan Material Lava Rock Wall Switch Kit 23 Naaaa BR APD AND BAND AND ABAD S 4 S Ss Ss Ss Ss os Ss Ss Ss os Ss os os os pd ILLUSTRATED PARTS BREAKDOWN LOGSETS FOR MODELS M36 B H M36P B H M42 B H M42P B H VM36 B H VM36P B H VM42 B H AND VM42P B H LY AO TT TET PTE FAGET A VILT a Vg LA 27 Ly 15 LY Y Ay Ll Li ZY Seo HE T We HR PG LC NTT pr FP JP ER TT va Logset for Models M36 B H M36P B H VM36 B H and VM36P B H Logset for Models M42 B H M42P B H NO NUMBER DESCRIPTION QTY 108724 01 Right Front 9 Split Log NO NUMBER DESCRIPTION QTY 901098 01 Rear Log 107999 02 Log Set 108720 01 Top Right Log 11 3 4 901098 02 Rear Log 108723 01 Left Front Log 11 108839 01 Right Front Log 15 3 4 Round 108721 01 Top Right Log 16 108722 01 Top Left Log 13 2
19. around the outer surround Any gaps between the nailing flanges and the framing should be sealed with noncombustible insulation or caulking If the appliance is mounted on a raised platform it must be a con tinuous surface and not on blocks without a solid surface This will prevent the entry of cold air by means of conduction through the total bottom of the appliance see Figure 34 Side Side Framing Framing Caulk Here Pack Insulation Figure 34 Sealing Between Appliance and Framing For more information visit www d 108795 01M INSTALLATION Continued INSTALLING OPTIONAL GLASS DOOR ACCESSORY A CAUTION Use only glass doors certified for use with this appliance Note Glass door may be heavy for some individuals If this is the case please request help from someone else The M36 VM36 M42 and VM42 B vent fireplaces are approved for use with optional bi fold glass doors see Accessories page 27 The glass panels may be ordered and installed anytime after the fireplace installation is complete Follow these steps to install left and right panels 1 With the handle at the bottom completely fold the panel on its hinges 2 With the handle facing the center of the firebox opening insert the lower pivot pin on the glass door panel into the hole in pivot plate on the bottom edge of the fireplace opening see Figure 35 3 Keeping the folded door tilted slide the upper two pins into the gu
20. e Hook Up page 11 Dark residue on logs or inside of fireplace rmation visit www desatech com 108795 01M Oo Improper log placement Air holes at burner inlet blocked Burner flame holes blocked Improper venting or excessive blockage Excessive amounts of embers and pan material Properly locate logs Clean out air holes at burner inlets Pe riodically repeat as needed Remove blockage or replace burner Have the vent system inspected includ ing the termination cap Remove any restrictions or obstruction Clear excess embers until a minimum gap of 1 2 remains under the grate DESA ILLUSTRATED PARTS BREAKDOWN MODELS a M36 B H M36P B H M42 B H M42P B H VM36 B H NA VM36P B H VM42 B H AND VM42P B H AIS gO 59 60 For more information visit www desatec 108795 01M PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 18 of this manual KEY M36 B H M42 B H KEY M36 B H M42 B H NG VM36 B H VM42 B H DESCRIPTION aw VM36 B H VM42 B H DESCRIPTION k k 106642 01 106643 01 106651 01 106642 01 106643 01 107805 01 106657 02 107811 02 11408 11408 106658 02 107812 02 108164 02 108169 02 106658 01 107812 01 108164 01 108169 01 10665
21. example represents the minimum height of 8 feet and therefore the allowable lateral is 6 feet when the 75 percent rule applies If the lateral length mustexceed 75 then the system must be sized in accordance with the Category I venting tables Example 2 Shows a multiple offset each at 45 degrees of inclina tion Multiple offsets are permitted if they do not exceed 45 degrees of inclination The total lengths of the two offsets are not required to meet the 75 percent allowable rule Example 3 Shows a single offset at 45 degrees of inclination and therefore the lateral length at 10 feet of offset does not have to meet the 75 percent rule In each case the offsets must be supported and firestops must be positioned wherever the vent must pass through a sub floor ceiling joist or an attic overhang The vent pipe must terminate 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 Listed Listed 47 Vent Cap Vent Cape k Maintain N Listed Clearance 60 sO Six 6 Feet 8 A N 6 sg 12 Min Position Position Fosan 12 Min Firestop ukttp Firestop c a f F irestop E eee 3 p go EDZ N Maintain NS Maintain Listed Listed Listed Clearance Clearance Clearance EXAMPLE 1 EXAMPLE 2 EXAMPLE 3 Figure 10 Typical B Vent Configuration
22. f they can t supply original replacement part s call DESA at 1 866 672 6040 for referral information When calling DESA have ready model number of your fireplace the replacement part number For more information visit www 108795 01M TROUBLESHOOTING Note Before troubleshooting the system make sure the gas shutoff valve is ON 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 POSSIBLE CAUSE OBSERVED PROBLEM REMEDY Pilot will not light 1 2 ns No gas supply or shutoff valve is OFF Air in gas line Construction debris clogging pilot orifice Low gas pressure Control valve knob is not on the PILOT position Kinked pilot line Bad valve Vent damper not fully open 1 Hold regulator control valve in the PI ns Check to see if you have gas supply LOT position for 2 to 3 minutes to purge air If you smell gas stop and wait for a few minutes before trying to light the fireplace Remove debris and dirt inspect and clean any other possible obstructions Contact your gas supplier Refer to section on pilot lighting Have a qualified technician replace pilot line Replace regulator valve see Accesso ries page 27 Open vent damper until fully locked in OPEN position Pilot will not stay lit Loose wiring on thermopi
23. g Listed Gas Vent x N Roof Pitch x 12 Listed Clearance H Min Height From Roof Roof Pitch H Min Ft Flat to 6 12 1 0 6 12 to 7 12 1 25 Over 7 12 to 8 12 1 5 Over 8 12 to 9 12 2 0 Over 9 12 to 10 12 2 5 Over 10 12 to 11 12 3 25 Over 11 12 to 12 12 4 0 Over 12 12 to 14 12 5 0 Over 14 12 to 16 12 6 0 Over 16 12 to 18 12 7 0 Over 18 12 to 20 12 7 5 Over 20 12 to 21 12 8 0 Figure 11 B Vent Terminations rmation visit www desatech com 108795 01M A WARNING This appliance must be properly con nected to a system and must not be connected to a chimney flue servicing a separate solid fuel burning appliance CHECKING FOR PROPER VENTING After completing and checking the electrical gas and vent connec tions follow the lighting instructions and allow the main burner to run for approximately 5 minutes Hold a lighted match or cigarette near the top edge of the fireplace opening and play it along the entire length of the opening see Figure 12 Proper venting should tend to draw the flame or smoke into the appliance Improper venting or escaping of spillage of burned gas is indicated when the match flickers or goes out Smoke from a cigarette will also tend to disperse away from the appliance If the appliance is found to be improperly venting shut it off and notify your installer or a qualified service agency to inspect the venting system NOTICE This appliance is e
24. g until the guide pins are free of the frame rail see Figure 37 A CAUTION Always operate the appliance with the doors either fully opened or fully closed Operating the appliance with the doors partially open can result in improper venting of flue products Spring Clip Side Front Face Partially Opened Door Spring Clip Depress Spring Clip to Release Pivot Pin Fold Bi Fold Door After Releasing Spring Clip and Slide Door Out of Upper Track Remove Bottom Pin From Pivot Plate While Sliding Door Out of the Upper Track 14 Pivot Plate Figure 37 Removing Glass Doors OPENING VENT DAMPER Ventdamper must be locked in the full open position before operating the fireplace If vent damper is not open fireplace will not light TT TT Figure 38 Opening Vent Damper DESA OPERATING FIREPLACE FOR YOUR SAFETY mn READ BEFORE LIGHTING a WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do
25. gases The odor helps you detect a gas leak However the odor added to these gases 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 fireplace A WARNING Any change to this fireplace or its con trols can be dangerous 1 This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases unless a certified kit is used 2 For propane LP fireplace do not place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors To prevent performance problems do not use pro pane LP fuel tank of less than 100 Ibs capacity 3 If you smell gas shut off gas supply e 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 you gas supplier call the fire department 4 Never install the fireplace ina recreational vehicle e where curtains furniture clothing or other flammable objects are less than 42 from the front top or sides of the fireplace in high traffic areas in windy or drafty areas 5 This fireplace reaches high temperatures Keep children and adults away from hot surfaces to av
26. he front of log 2 as shown in Figure 28 As an option to enhance the look of the hearth you may place the lava rock provided around the front and sides of the burner NOTICE Do not put lava rock inside the burner pan or around the air mixer fitting Placing lava rock inside the burner pan or blocking the openings of the propane LP air mixer could cause performance problems Log 6 nn TT FG UT OT MG 727 U G VA 4 ZB J CIL g HA G LG 7 GA A We 77 EG V LL A EZ CZ al Figure 28 Logs Installed for M36 M36P VM36 and VM36P Models LOG PLACEMENT FOR M42 M42P VM42 AND VM42P MODELS 1 Place large back log log 1 onto grate making sure notches rest over grate see Figure 29 2 Insert lower end of log 2A between the first two grate fingers and position the upper end into the notch on the front of log 1 See Figure 29 Place log 2B on the front right side of grate as shown in Figure 29 3 Place log 3 into notch on top left of log 1 resting the lower end on the left two grate fingers see Figure 30 4 Place the upper end of log 4 into the notch on log 1 as shown in Figure 30 Rest the lower end of log 4 on the middle grate finger as shown in Figure 31 Notch Ly BART RA LLL sem 3755 HI Figure 30 Installing Logs 3 and 4 information visit www desatech com DES A 108795 01M INSTALLATION Conti
27. hutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa For the purpose of input adjustment two pressure taps for IN and OUT pressures are provided on the gas control valve for test gauge connections to the appliance PRODUCT SPECIFICATIONS A GAS RATING NATURAL M36 B H VM36 B H M42 B H VM42 B H Max Input Rating 40 000 Btu Hr 45 000 Btu Hr Manifold Pressure 3 5 in WC 87 kPa 3 5 in WC 87 kPa Minimum Supply Pressure 4 5 in WC 1 12 kPa 4 5 in WC 1 12 kPa Maximum Supply Pressure 10 5 in WC 2 66 kPa 10 5 in WC 2 66 kPa Orifice Size 30 29 GAS RATING PROPANE LP M36P B H VM36P B H M42P B H VM42P B H Max Input Rating 40 000 Btu Hr 45 000 Btu Hr Manifold Pressure 10 in WC 2 49 kPa 10 in WC 2 49 kPa Minimum Supply Pressure 11 in WC 2 74 kPa 11 in WC 2 74 kPa Maximum Supply Pressure 13 in WC 3 23 kPa 13 in WC 3 23 kPa Orifice Size 52 50 For Use With 6 Type B 1 Vent Pipe Only
28. ide track found under the upper facial edge of the firebox opening 4 Tilt the glass assembly fully vertical until the outer pivot pin snaps into the mounting hole in the upper spring clip see Figure 35 5 Once the top and bottom pins are secured unfold the door into the closed position 6 Repeat the process for the opposite door assembly 7 To adjust the doors slide them partially open Using a screw driver loosen the hold down screws in the spring clip see Figure 36 and pivot plate 8 Close both doors until evenly joined at the middle and note the gap at the outer edges of the face 9 Reopen one door at a time and retighten the upper and lower hold down screws 10 Repeat the process until both doors are evenly joined spaced and working freely Spring Clip Slide Top Pin Into Door Track Insert Pin Into Spring Clip Insert Bottom Pivot Pin Into Pivot Plate and Swing Door Into Vertical Position Pivot Plate 108795 01M A CAUTION The glass panels become very hot while the appliance is operating Do not attempt to adjust or clean the glass doors until the appliance has fully cooled The doors may be removed for replacement or cleaning as follows 1 Partially open the door and press up on the upper spring clip with a screw driver until the outer top pivot pin is free of the clip 2 Fully fold the frame assembly and slide the upper edge towards the center of the firebox openin
29. igure 24 Vermiculite Pan Material Grate Burner Pan Figure 22 Fill Entire Burner Pan with Vermiculite Ember Material Vermiculite Pan Material Bimen Pen Grate Figure 23 Ember Material on Surface of Pan Material Vermiculite Grat Pan and Ember rate Material 0 5 0 5 Burner Pan Figure 24 Pan and Ember Material Clearances LOG PLACEMENT FOR M36 M36P VM36 AND VM36P MODELS 1 Place small front right log log 1 on right front of grate as shown in Figure 25 Place large back log log 2 onto grate making sure notches rest over grate as shown in Figure 25 Place log 3 into notch on log 2 resting the front end on top of log 1 see Figure 26 Place the upper end of log 4 into the notch on log 2 as shown in Figure 26 Rest the lower end of log 4 onto the middle grate finger as shown in Figure 27 ER UG are Figure 25 Installing Logs 1 and 2 Log 4 Figure 26 Installing Logs 3 and 4 For more information visit www des 108795 01M INSTALLATION Continued 5 Place the upper end of log 5 into notch on the left of log 2 see Figure 27 Rest the lower end of log 5 on the grate as shown in Figure 28 6 Insert the lower end of log 6 between the first two grate fingers as shown in Figure 28 and position the upper end of log 6 into the notched area on t
30. int from carpeting bedding material pet hair etc It is imperative that the control compartments burners and circulating air system be kept clean A WARNING The logs can be hot Handle only when cool A WARNING Turn off gas and electrical power before servicing appliance WARNING Failureto keepthe primary air opening s of the burner s clean may result in sooting and prop erty damage PILOT AND BURNER e Remove logs and ember material before cleaning burner and replace when cleaning is complete Burner and controls should be cleaned with compressed air to remove dust dirt or lint e Use a vacuum cleaner or small soft bristled brush to remove excess dust dirt or lint LOGS e If you remove logs for cleaning refer to log placement informa tion on page 12 to properly replace logs e Use a vacuum cleaner to remove any carbon buildup on logs e Replace log s if broken See Replacement Parts e Replace ember material periodically as needed See Replacement Parts WIRING DIAGRAM PILOT BURNER THERMOPILE IGNITOR el REPLACE FACTORY WIRING WITH 105 C EQUIVALENT OR HIGHER RATING EXTERNAL WIRING USE ONLY CLASS 2 o O THERMOSTAT WIRE 18 GA RED WHITE PILOT GAS LINE DO NOT CONNECT RED TO 120V N O SW N C SW Ser o rs gt 7 MANUAL x DAMPER m INCOMING SWITCH VENT SAFETY MAIN GAS SH
31. le to regulator valve No millivolt current is being sent back to regulator If valve knob and wall switch are in the ON position probable defective regula tor valve Vent damper not fully open Check wiring connections Refer to wiring diagram shown in Wall Switch Installation page 10 Have a qualified technician replace valve Open vent damper until fully locked in OPEN position No gas to burner although wall switch and valve are set to the ON position Wall switch wires defective or too long Thermopile not generating sufficient voltage Check electrical connections See Pilot will not stay lit above Frequent pilot outage Pilot flame may be too low causing safety pilot to drop out Improper venting or excessive blockage Clean and adjust pilot flame for maxi mum flame impingement on thermo pile Have the vent system inspected includ ing the termination cap Remove any restriction or obstruction Pilot goes out when wall switch is ON nformation visit www desatech com 108795 01M Millivolt output on thermopile too high Replace thermopile DESA TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Spark ignitor will not light pilot after re peated triggering of red button 1 Defective ignitor no spark at elec trode 2 Defective pilot or misaligned electrode at pilot spark at electrode 3
32. left side of firebox or sub floor as shown in Figure 19 CAUTION Do not kink flexible gas line DESA recommends that a black iron gas line be routed from the gas source through a sediment trap shown in Figure 20 and into the appliance Once connected through the appliance a flexible gas line may be used for ease of installation to gas control valve see Figure 21 Before connecting the black iron gas line to the inside of the appli ance a sediment trap must be included outside the appliance between the gas line and the gas shutoff valve It must extend down three 3 inches beyond the center of the pipe Prepare incoming black iron gas line with teflon tape or pipe joint compound Check with local building codes A CAUTION Compounds used on threaded joints of gas piping shall be resistant to the action of Liquefied Petroleum LP or propane and should be applied lightly to ensure excess sealant does not enter the gas line A WARNING All gas piping and connections must be tested for leaks after the installation is completed After ensuring that the gas valve is on apply a com mercial leak detection solution to all connections and joints If bubbles appear leaks can be detected and corrected Do not use an open flame for leak testing and do not operate any appliance if a leak is detected Complete your gas installation by connecting incoming gas line with flexible gas line Secure tightly wi
33. 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 Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water 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 BS ucrons MS INSTRUCTIONS NOTICE During initial operation of new heater burning logs will give off a paper burning smell Orange flame will also be present Open damper or window to vent smell This will only last a few hours STOP Read the safety information above Turn wall switch to the OFF position Turn off all electric power to the appliance Fully open glass doors if installed Remove front refractory brick access panel Turn gas control knob clockwise to the OFF position see Figure 39 7 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell ga
34. nued 5 Place the upper end of log 5 into the notch on the top inner right of log 1 see Figure 31 Rest the lower end of log 5 on the middle grate finger as shown in Figure 32 6 Place log 6 into the notch on the top right of log 1 see Figure 31 Rest the lower end of log 6 on top of log 2B see Figure 32 As an option to enhance the look of the hearth you may place the lava rock provided around the front and sides of the burner pan NOTICE Do not put lava rock inside the burner pan or around the air mixer fitting Placing lava rock inside the burner pan or blocking the openings of the propane LP air mixer could cause performance problems Log 5 gt FT I C77 wes CHG FR Figure 32 Logs Installed for M42 M42P VM42 and VM42P Models COMBUSTION AIR KIT MODEL AK4 OPTIONAL The outside air kit may be installed on the left side of the fireplace only The vent can be installed through any outside wall a minimum of three feet below fireplace termination cap The handle to operate the damper door for the outside air inlet will be located inside the left screen pocket of the firebox see Figure 33 Pull the handle to open or push to close CAUTION Air inlet ducts are not to terminate in attic space Air Kit Handle Figure 33 Air Kit Handle Location APPLIANCE ENCLOSURE Before finishing the enclosure around the appliance inspect all joints
35. ny of the original wire as supplied must be replaced use 18 AWG TYPE CL2 UL 105 C 25 ft length MAXIMUM or equivalent Figure 14 Wall Switch Wiring Diagram 9 Volt Battery A Plastic Terminal Mounting wires Clips Figure 15 Installing Remote Figure 16 Installing Battery Receiver Shown from Rear of in Receiver Mounting Bracket Installing 9 Volt Battery in Hand Held Remote Control Unit Remove battery cover on back of remote control unit Attach terminal wires to the battery not included Place battery into the battery housing Note Only use alkaline battery 3 Replace battery cover onto remote control unit Battery Cover Remote Control Unit Terminal Wires 9 Volt Battery Housing Figure 17 Installing Battery in Hand Held Remote Control Unit For more information visit www d 108795 01M INSTALLATION Continued GAS LINE HOOK UP WARNING Gas line hookup should be done by your gas supplier or a qualified service person A WARNING Before you proceed make sure your gas supply is OFF A manual shutoff valve has been included in the appliance s gas supply system You may consider installing an extra gas shutoff valve outside the appliance s enclosure check with local codes where it can be accessed more conveniently with a key through a wall as shown in Figure 18 In conformance with local codes route a 1 2 NPT gas line to the appliance through hole in
36. o combustibles are e Back and Sides of Outer Surround 0 min e Drywall to Sides of Front Face Nailing Flanges 0 min e B Vent Surfaces entorrcnicanoiii race 1 min gt Colmo 16 Opening unna ed 42 min A era R R eteteescs 0 min e Perpendicular Wall See Figure 6 page 7 A CAUTION Do not block required air spaces with insulation or any other material Do not obstruct ef fective opening of appliance with any type of facing material 2x 4 Stud Nailing Flange Back Drywall Front Face Figure 3 Minimum Clearances Top View 1 25mm Min gt Clearance to B Vent s Outer Pipe Ceiling 42 1067mm Min Clearance from Opening to Ceiling E 0 Clearance pare Maintain 2 51mm Min Clearance to the Transition Fa Pipe as Measured at the Outer Vent Collar lg Required Air Spaces are Indicated with an Do Not Pack with Insulation or Any Other Material DO NOT BLOCK OR OBSTRUCT Y OPENINGS 0 Clearance to Combustible or Noncombustible Flooring j Figure 4 Minimum Clearances Front View DESA PRE INSTALLATION PREPARATION Continued MANTEL CLEARANCES AND WALL DETAILS A combustible mantle shelf maybe installed a maximum 12 229 mm from the wall Figures 5 and 6 show the minimum TOP VIEW Outer Surro
37. oid burns or clothing igni tion Fireplace will remain hot for a time after shutdown Allow surfaces to cool before touching 6 Carefully supervise young children when they are in the room with fireplace 7 A hearth extension is not required with this appliance If one is installed it is for aesthetic purposes only and does not have to meet the standard requirements Turn fireplace off and let cool before servicing or repairing Only a qualified service person should install service or repair this fireplace Have fireplace inspected annually by a qualified service person For more information visit www de 108795 01M SAFETY INFORMATION Continued 9 10 11 12 13 14 15 16 17 18 19 20 You must keep control compartments burners and circulating 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 Have venting system inspected annually by a qualified service person If needed have venting system cleaned or repaired See Cleaning and Maintenance page 18 Keep the area around your fireplace clear of combustible ma terials gasoline and other flammable vapor and liquids Do not run fireplace where these are used or stored Do not place items such as clothing or decorations on or around fireplace Do not use this fireplace to cook food or b
38. om state to state For information about this warranty write D ES A 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 I MI 108795 01 Rev M 108795 01 NOTA UPC MA For more information visit www de
39. ppli ance you must take into consideration the following guidelines 1 The location must allow for proper clearances see Clearances next column 2 Consider a location where heat output would not be affected by drafts air conditioning ducts windows or doors 3 A location that avoids the cutting of joists or roof rafters will make installation easier Figure 2 shows a plan view of a few common locations Flush installations are recommended where living space is limited or at a premium and since the space required to enclose the appliance would be located beyond an outside wall this would also reduce the cutting of joists roof rafters and such Check local codes for any restrictions Projected installations can extend any distance into the room A projection may be ideal for a new addition on an existing fin ished wall Corner installations make use of space that may not normally be used and provides a wider and more efficient range for radiant heat transference Internal wall installations provide a discreet option for room sepa ration and can also be ideal as an addition to an existing wall CORNER INSTALLATION INTERNAL WALL INSTALLATION ES FLUSH FULL INSTALLATION PROJECTION INSTALLATION Figure 2 Possible Locations for Installing Appliance formation visit www desatech com 108795 01M PRE INSTALLATION PREPARATION CLEARANCES Minimum clearances t
40. put O O O Made in USA O O O Warranty O O O Local Service O O O Value for Price O O O Prior Brand Experience O O O Controls Location O O O Thermostat Remote or Manual Operation O O O Ease of Operation O O O Special Features O O O Salesperson s Recommendation O O O Friend Relative s Recommendation O O O Portability O O O Quiet Operation O O O AdVL Postage Required DESA 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 TAPE PAA ACCESSORIES NOTICE All accessories may not be available for all fireplace models Purchase these firebox accessories from your local dealer If they can not supply these accessories call DESA s Sales Department at 1 866 672 6040 for information You can also write to the address listed on the back page of this manual AIR KIT AK4 Optional kit helps offset the negative pressure often existing in today s tightly constructed homes REMOTE CONTROL KITS RC Standard On Off Millivolt Remote Control Kit GHRCB Hand Held Remote Control Kit GWMT1 Wall Mount Remote Control Kit PROPANE CONVERSION KITS PCBM 36 Propane Conversion Kit for 36 B Vent Millivolt Fireplace PCBM 42 Propane Conversion Kit for 42 B Vent Millivolt Fireplace EXTRUDED ALUMINUM BI FOLD GLASS DOORS BD36 36 Black Finish BD36B 36 Brushed Brass Finish BD36P 36 Platinum Finish BD42 42 Black Finish BD42B 42 Brushed Brass Finish BD42P 42 Platinum Finish BR
41. quipped with a vent safety shutoff switch which will shut down the appliance in the case of a venting problem Do not bypass the vent safety switch Ifthe appliance should shut down contact a qualified installer service agency or your gas supplier to have the vent inspected before operating Check this area along the entire top edge of the fireplace opening Smoke or flame should be drawn into the appliance opening 3 Figure 12 Checking for Spillage DESN INSTALLATION WALL SWITCH INSTALLATION The installation of a wall switch allows you to activate the gas control valve without the normal household electricity since the valve operates on millivolt current supplied by the heat generated by the thermopile To install the wall switch 1 Remove the front refractory access panel by lifting up and angling out of the firebox opening see Figure 13 2 Use wire and connectors provided Attach red wire to terminal marked TH TP on control valve Attach white wire to blade connector on open end of safety circuit wiring see Wiring Diagram page 18 Note If any of the original wire from the unit control must be re placed use the same type or a higher rated wire 25 ft maximum length A WARNING Do not wire remote wall switch to main power supply Standard 120v household current 3 Locate wall switch in a convenient location
42. rerrsvvrnnrnnrrrrrnvennrrvrnnnnrnnrennnr Back Cover SAFETY INFORMATION WARNING This product contains and or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this fireplace Improper use of this fireplace can cause serious injury or death from burns fire explosions electrical shock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death This fireplace is a vented product This fireplace will not produce any gas leakage into your home if properly installed This fireplace must be properly installed by a qualified service person If this unit is not properly installed by a qualified service person gas leakage 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 have been installed properly Get fresh air at once Have fireplace inspected and ser viced by a qualified service person 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 influ ence of alcohol and those at high altitudes Propane LP gas and natural gas are both odorless An odor making agent is added to each of these
43. s go to the next step 8 Turn control knob counterclockwise N to the PILOT position AVP YP Kr 9 Push in the knob all the way and hold in Immediately light the pilot manually Continue to hold the control knob in for about 1 minute after the pilot is lit Release knob and it will pop back up Pilot should remain lit If it goes out repeat steps 5 through 9 If knob does not pop up when released stop and imme diately call your service technician or gas supplier e Ifthe pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier 10 Turn gas control knob counterclockwise to ON Knob can be turned to ON only if the control knob is popped out 11 Replace front refractory brick access panel 12 Fully close glass doors if installed 13 Turn on all electric power to the appliance p Position Indicator Figure 39 Control Knob in the PILOT position TO TURN OFF GAS me TO APPLIANCE HM 1 Turn off the wall switch Turn off all electric power to the appliance if service is to be performed 3 Fully open glass doors if installed 4 Remove front hearth brick and control access panel 5 Turn gas control knob clockwise to OFF Do not force 6 Replace front refractory brick access panel 7 Fully close glass doors if installed Pilot Burner Thermopile Ignitor Figure
44. sclaims any responsibility for the following actions A B C D Modification of the appliance or any of the components Use of any component part not approved by DESA in combina tion with this appliance Installation and or operation in a manner other than instructed in this manual The burning of anything other than the type of gas approved for use in this gas appliance The installation must conform with local codes or in the absence of local codes with the current National Fuel Gas Code ANSI Z223 1 NFPA 54 or with the current CAN CGA B149 Installation Codes This appliance complies with ANSI Z21 50 2000 and CSA 2 22 2000 as Vented Gas Fireplaces and is listed and tested by the Canadian Standards Association to the above test standards A WARNING Installation of this appliance should be done by a qualified service person well trained in the installation of such appliances You will also need a building permit from your local Building and Safety Com missioner before installing this appliance otherwise your insurance co may not cover this appliance NOTICE This appliance is not intended to be used as a primary source of heat rmation visit www desatech com 108795 01M INTRODUCTION Continued A CAUTION Donotconnectappliance before pressure testing gas piping Damage to gas valve may result and an unsafe condition may be caused The appliance and it s individual s
45. t any appliance e Do not touch any electrical switch do not use any phone in your e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department IMPORTANT Operating fireplace 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 OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Fireplace produces unwanted odors Fireplace burning vapors from paint hair spray glues etc See IMPORTANT statement above For propane LP gas low fuel supply Gas leak See Warning statement at top of page 1 Ventilate room Stop using odor causing products while fireplace is running Contact local propane LP supplier Locate and correct all leaks see Gas Line Hook Up page 11 Gas odor even when control knob is in OFF position Gas leak See Warning statement at top of page Control valve defective Locate and correct all leaks see Gas Line Hook Up page 11 Replace control valve 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 Gas Lin
46. t 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 ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND DESA S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA 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 fr
47. th wrench but DO NOT OVERTIGHTEN formation visit www desatech com 108795 01M Typical Exterior Wall Gas Shutoff Installation 1 2 NPT Incoming Black Iron Gas Line 7 Alternate Gas Supply Through Sub Floor M36 B H M36P B H M42 B H M42P B H VM36 B H VM36P B H VM42 B H VM42P B H A 8 5 8 219 mm 10 1 2 267 mm Figure 19 Routing Incoming Gas Line Incoming 1 2 Gas Line Permitted by Local Codes Sediment Trap Not Supplied Figure 20 Sediment Trap Red Surface Indicates For Propane LP Use Only Flexible Gas Line Gas Shutoff ny NOT Kink Note A 1 Wire Connections 1 2 NPT Not Shown for Clarity Incoming 2 1 8 NPT Plugged Gas Line Tapping Figure 21 Connecting Flexible Gas Line to Millivolt Valve Pilot Adj Pressure Tap Inlet Pressure Tap DESN INSTALLATION Continued EMBER AND PAN MATERIAL PLACEMENT 1 Open the bag s of vermiculite and fill the entire burner pan gt until the burner tube is completely covered see Figure 22 2 Smooth the pan material just even with edges of the burner 3 pan 3 Remove the ember material from the bag and flatten small 4 amounts into quarter size pieces and lay on top of the surface of the pan material see Figure 23 4 Place just enough to cover the entire surface and leave about a 1 2 inch gap under the lower grate members to allow air to flow see F
48. the transition pipe over the to the face provided that any gap is between the mate vent collar and attach with a minimum of three screws Replace the rial used and the face is caulked with a noncombustible starter collar over the transition pipe and attach using four screws caulking located on the leg stands five used on the model M42 To install B vent piping slide the first piece of B vent over the transition pipe 4 and attach with either a minimum of two screws or other means R N A approved by the vent manufacturer I LI Le B Vent Piping Starter Collar Ep ES L gt pp Transition Pipe M36 B H M36P B H M42 B H M42P B H VM36 B H VM36P B H VM42 B H VM42P B H Vent Collar A 40 8 1020 mm 44 3 8 1121 mm B 21 8 543 mm 23 1 8 587 mm C 41 1 4 1048 mm 48 1 4 1226 mm Figure 9 Installing Transition Pipe and Starter Collar Figure 7 Rough Opening for Installing in Wall rmation visit www desatech com DESA 108795 01M VENTING INSTALLATION A 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 a standard B type vent installation Standing codes requirements concerning B type vent installations
49. und e allowable distances from various combustible mantle compo Combustible nents in relation to the fireplace opening Material May Be Used 30 1 j i va 12 gt Combustible 4 1 2 38 mm F f N 229mm y J margra Max 3 76 mm J GJ ahe 6 152mm Y Aka 52 mm H Y N N l i x E p Perpendicular N Wall A E t N M36 B H M36P B H M42 B H M42P B H AA i VM36 B H VM36P B H VM42 B H VM42P B H a A 9 229 mm 6 152 mm 3 76mm B 12 305 mm 9 229 mm 1 1 38mm T Figure 6 Side Clearances Top View Cross Section M36 B H M36P B H VM36 B H VM36P B H A 14 356 mm B 8 203 mm M42 B H M42P B H VM42 B H VM42P B H 15 381 mm 9 229 mm Figure 5 Mantel Clearances Side View Cross Section For more information visit www des 108795 01M PRE INSTALLATION These Dimensions Allow for a 3 4 Clearance at Sides and Back of PREPARATION Fireplace However 0 Clearance Continued is Permitted FRAMING 3 4 Clearance Not Required at Nailing Flanges 1 Frame appliance enclosure as illustrated in Figures 7 and 8 Note If a wall covering is used to line the enclosure then all measurements must be from the surface of the covering 2 Place the appliance into the framing and secure it Note If appliance is to be raised above
50. urn paper or other objects Do not use any solid fuels wood coal paper cardboard etc in this fireplace Use only the gas type indicated on fireplace nameplate This appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 Do not obstruct the flow of combustion and ventilation air in any way Provide adequate clearances around air openings into the combustion chamber along with adequate accessibility clearance for servicing and proper operation Do not install fireplace directly on carpeting vinyl tile or any combustible material other than wood The fireplace must set on a metal or wood panel extending the full width and depth of the fireplace Do not use fireplace if any part has been exposed to or under water Immediately call a qualified service person to arrange for replacement of the unit Do not operate fireplace if any log is broken Do not use a blower insert heat exchanger insert or other ac cessory not approved for use with this fireplace Provide adequate clearances around air openings UNPACKING The following items are packed inside the firebox Remove before positioning firebox into framing Transition Collar For vent connection Ceramic Log Pack Shrink wrapped on cardboard Three 3 plastic bags containing lava rock pan and ember ma terials
51. urner flame patterns often PILOT ASSEMBLY The pilot assembly is factory preset for the proper flame height Alterations may have occurred during shipping and handling The pilot is located on the back right hand side of the burner The height of the thermopile must be 3 8 to 1 2 above the pilot flame The flame from the pilot burner must extend beyond the thermopile If your pilot assembly does not meet these requirements e Turn the adjustment screw marked pilot clockwise to decrease or counterclockwise to increase the flame to proper size see Figure 39 page 16 Do not remove the adjustment screw e see Troubleshooting page 19 ile gee ermopi I Pilot Burner Ignitor Figure 42 Correct Pilot Flame Pattern BURNER FLAME PATTERN Burner flames will be steady not lifting or floating Flames should go up through the middle of logset Flames should not spill to the edges of the pan or sides of the logset Figure 43 shows a typical flame pattern If burner flame pattern differs from that described e turn appliance off see To Turn Off Gas to Appliance page 16 e see Troubleshooting page 19 Figure 43 Typical Flame Pattern DESN CLEANING AND MAINTENANCE A WARNING Installation and repair should be done by a qualified service person The appliance should be inspected before each use and at least annually by a qualified service person More frequent cleaning may be required due to excessive l
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