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Desa AND VM42 User's Manual

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1. p ka HF cC gt M36 B H VM36 B H M42 B H VM42 B H A 40 3 8 1020mm 44 3 3 1121mm B 2138 543mm 23 8 587mm C 41 1 4 1048mm 48 1 4 1226mm Figure 7 Rough Opening for Installing in Wall These Dimensions Allow for a 3 4 Clearance at Sides and Back of Fireplace However 0 Clearance is Permitted 3 4 Clearance Not Required at Nailing Flanges M36 B H VM36 B H M42 B H VM42 B H A 24 1 2 622 3mm 27 6 700 1mm B 737 1876 4mm 83 7 8 2130 4mm C 52 3 16 1326Mm 59 5 16 1506 6MM D 17 1 4 438 2Mm 19 2 495 3mm Figure 8 Corner Installation Guidelines INSTALLING TRANSITION PIPE AND STARTER COLLAR The transition pipe and starter collar shown in Figure 9 are supplied with the fireplace unattached and ready for installation Remove the starter collar and set aside Slide the transition pipe over the vent collar and attach with a minimum of three screws Replace the starter collar over the transition pipe and attach using four screws 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 and attach with a minimum of two screws B Vent Piping Starter Collar Transition Pipe Vent Collar 108795 01K VENTING INSTALLATION VENTING INSTALLATION A B type venting system must be connected to the appliance fo
2. A WARNING Failure to keep the primary air opening s of the burner s clean may result in soot ing and property 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 Ifyou remove logs for cleaning refer to log placement informa tion on pages 14 and 15 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 Replace ment Parts 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 For more information visit WWW d 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
3. 4 Align peg on log 4 with inside left hole on log 2 see Figure 30 Log 4 will rest on grate fingers as shown in Figure 31 5 Align peg on log 5 with the inside right hole on log 2 see Figure 31 Rest the lower part of log 5 on the log 4 and on grate as shown in Figure 32 6 Align peg at the top of log 6 with outside right hole on log 2 Fit the peg at the lower part of log 6 into the hole on top of log 1B see Figures 31 and 32 To enhance the look of the hearth you may optionally 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 Figure 29 Installing Logs 1A 1B and 2 orimore information 108795 01K Figure 32 Logs Installed visit www desatech for M42 VM42 Models mi DESN INSTALLATION Combustion Air Kit Model AK4 Optional Appliance Enclosure Installing Optional Glass Door Accessory INSTALLATION Continued 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
4. Pack with N TI Insulation or Any DO NOT BLOCK Other Material KE OR OBSTRUCT EA OPENINGS 0 Clearance to n f ff ff Combustible or NEN Noncombustible Flooring t 108795 01K PRE INSTALLATION PREPARATION Mantel Clearances and Wall Details 7 Continued MANTEL CLEARANCES AND WALL DETAILS SEE Acombustible mantle shelf maybe installed a maximum 12 229mm Suer Suron from the wall Figures 5 and 6 show the minimum allowable distances ie ae JEF SULMON from various combustible mantle components in relation to the fire Combustible place opening Material May Be Used a 12 Combustible 1 1 2 38mm ZONE Materials Max 76mm 33 Header 1 1 2 gt 38mm Max M36 B H M42 B H VM36 B H VM42 B H A 14 856mm 15 381mm B 8 203mm 9 229mm Figure 5 Mantel Clearances Side View Cross Section For more information visit www desatech 108795 01K Wee 6 152mm gt a v Max gt he Perpendicular i B gt Wall M36 B H M42 B H VM36 B H VM42 B H A 9 229mm 6 152mm B 12 305mm 9 229mm Figure 6 Side Clearances Top View Cross Section mi DESA PRE INSTALLATION PREPARATION Framing Installing Transition Pipe and Starter Collar PRE INSTALLATION PREPARATION C
5. TROUBLESHOOTING site at www desatech com Note For additional help visit DESA s Technical Service web TROUBLESHOOTING 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 Note Before troubleshooting the system make sure the gas shutoff filter valve is ON OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Pilot will not light 1 No gas supply or shutoff valve is OFF 1 Check to see if you have gas supply 2 ns 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 2 Hold regulator control valve in the PILOT position for 2 to 3 minutes to purge air If you smell gas stop and wait for a few min utes before trying to light the fireplace 3 Remove debris and dirt inspect and clean any other possible obstructions 4 Contact your gas supplier 5 Refer to section on pilot lighting 6 Have a qualified technician replace pi lot line 7 Replace regulator valve see Accesso ries page 29 8 Open vent damper until fully locked in OPEN position Pilot will not stay lit Loose wiring on thermopile to regula tor valve No millivolt current is being sent back to regulator If valve knob and wall switch are in the ON position probable def
6. 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 replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack
7. screen pocket of the firebox see Figure 33 Pull the handle to open or push to close A CAUTION Air inlet ducts are not to terminate in attic space Screen Pocket hr Air Kit Handle di X LY 7s Figure 33 Air Kit Handle Location APPLIANCE ENCLOSURE Before finishing the enclosure around the appliance inspect all joints 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 continuous 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 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 29 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 pane
8. 106642 01 Air Rod Retainer 106703 01 106703 01 Air Kit Door Assembly 106643 01 106643 01 Damper Rod Retainer Firebox Face 106651 01 107805 01 Panel Closure 106948 02 107823 02 Smoke Deflector a ie Firebox Bottom i Fireplace Top Insulation Firebox Surround 107796 01 107796 02 Grate Assembly 106657 02 107811 02 Air Separator 107742 01 107742 02 Burner Pan 11408 11408 Bushing 107795 01 107831 01 Burner Tube 106658 02 107812 02 Left Refractory Std Brick 107748 01 107748 01 Burner Bracket M36B M42B 107985 01 107985 02 Pilot Shield 108164 02 108169 02 Left Refractory Herringbone 901681 01 901681 01 Burner Clamp M36H M42H 11209 11209 Nut 10 24 106658 01 107812 01 Left Refractory Std Brick 11147 11147 Screw 10 24x1 2 VM36B VM42B 901066 01 901066 01 Brass Air Mixer NG 108164 01 108169 01 Left Refractory Herringbone 901066 02 901066 02 Brass Air Mixer LP VM36H VM42H 901064 03 901064 08 Orifice NG 106659 02 107814 02 Right Refractory Std Brick 901065 13 901065 12 Orifice LP M36B M42B 108084 01 108084 01 Pilot Natural Gas 108165 02 108170 02 Right Refractory Herringbone 108085 01 108085 01 Pilot Orifice LP M36H M42H 11102 11102 Screw 8 32x3 8 106659 01 107814 01 Right Refractory Std Brick 14512 14512 Gas Control Valve NG VM36B VM42B 14513 14513 Gas Control Valve LP 108165 01 108170 01 Right Refractory Herringb
9. 11 Replace front refractory brick access panel 12 Fully close glass doors if installed 13 Turn on all electric power to the appliance Gas Control Knob Pilot Adjustment Screw Position Indicator Figure 39 Control Knob in the PILOT position TO APPLIANCE 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 Remove front hearth brick and control access panel 5 Turn gas control knob clockwise XN to OFF Do not force 6 Replace front refractory brick access panel 7 Fully close glass doors if installed e Pilot Burner Thermopile Ignitor Figure 40 Pilot For more information visit WWW satech com 108795 01K OPERATING FIREPLACE Optional Hand Held Remote Operation To Turn Off Gas to Appliance INSPECTING BURNERS Pilot Assembly Burner Flame Pattern OPERATING FIREPLACE Continued OPTIONAL HAND HELD REMOTE OPERATION Note The receiver and hand held remote control kit must be purchased separately see Accessories page 29 Follow installa tion instructions on pages 11 and 12 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
10. WIRING DIAGRAM PILOT BURNER IGNITOR e REPLACE FACTORY WIRING WITH 105jC NOES EQUIVALENT OR HIGHER RATING EXTERNAL WIRING USE ONLY CLASS 2 o Oo THERMOSTAT WIRE 18 GA RED WHITE PILOT GAS LINE DO NOT CONNECT TO 120V N O SW N C SW gt i Oo re gt i MANUAL x DAMPER m INCOMING SWITCH VENT SAFETY MAIN GAS SUPPLY SHUTOFF SWITCH 4 PILOT SAFETY WIRE ALL SWITCH SUPPLIED 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 If they can t supply original replacement part s call DESA at 1 866 672 6040 for referral information When calling DESA have ready e model number of your fireplace the replacement part number satech com 108795 01K
11. A 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 left side of firebox or sub floor as shown in Figure 19 CAUTION Do not kink flexible gas line Shutoff Typical Exterior Wall Gas Shutoff Installation Zo Figure 18 Manual Shutoff Valve Installation 1 2 NPT Incoming Black Iron Gas Line FE e ie t 7 Alternate Gas Supply Through Sub Floor M36 B H VM36 B H M42 B H VM42 B H A 8 219mm 10 2 267mm Figure 19 Routing Incoming Gas Line Hage ss 108795 01K INSTALLATION Gas Line Hook Up Cont Ember and Pan Material Placement INSTALLATION Continued 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 cont
12. 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 TO TURN OFF GAS reg Shutting Off Heater Press in and turn control knob clockwise W to the OFF position Shutting Off Burner Only pilot stays lit Turn remote control wall switch to the OFF position For more information visit www desatech com 108795 01K INSPECTING BURNERS Check pilot flame pattern and burner 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 y
13. 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 from state to state For information about this warranty write BD EG A 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 108795 01 Rev K NOT A UPC 06 03 For more information visit www desatech Com
14. replaced use the same type or a higher rated wire 25 ft maximum length WARNING Do not wire remote wall switch to main power supply Standard 120v household current 4 Locate wall switch in a convenient location 5 After wire connections are complete replace refractory access panel i Figure 13 Removing Front Refractory Access Panel For 108795 01K more information visit www desatech 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 To Safety Circuit Route Millivolt Wall Switch Wires Supplied Supplied f Through Gas Line s Conduit Sleeve To Thermopile C e g OO a HCO O OF Of FIT mf A Back View Note If any of the original wire as supplied must be replaced use 18 AWG TYPE C12 UL 105 C 25 ft length MAXIMUM or equ
15. top of log 4 across the right side of log 2 aligning peg in log 4 with hole in log 2 Figure 26 Rest the front of log 4 on the grate as shown in Figure 27 5 Align the peg at top of log 5 with the hole on the top left of log 2 see Figure 27 Rest the bottom of log 5 on grate as shown in Figure 28 6 Align peg at the top of log 6 with hole on the front left of log 2 Figure 27 Rest the bottom of log 6 on grate as shown in Figure 28 To enhance the look of the hearth you may optionally 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 Figure 25 Installing Logs 1 and 2 Figure 28 Logs Installed for M36 VM36 Models For more information visit www des techicom a 108795 01K INSTALLATION Log Placement for M42 VM42 Models INSTALLATION Continued LOG PLACEMENT FOR M42 VM42 MODELS 1 Place log 1A on the front left side of grate Place log 1B on the front right side of the grate See Figure 29 2 Place large back log log 2 onto grate making sure notches rest over grate Insert peg on back of log 1A into hole on front left of log 2 see Figure 29 3 Place log 3 across log 1A and log 2 aligning peg on log 3 with top left hole on log 2 see Figure 30
16. 1 Vent Cap Listed Vent Cap 2 Maintain lt Listed Clearance Maintain Listed Clearance 12 Min Firestop Listed Clearance EXAMPLE 3 For more information visit www desatech com DESA 108795 01K VENTING INSTALLATION Checking for Proper Venting 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 It is not recommended that this appliance be common vented with anexisting gas burning appliance However ifit 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 Can
17. 12 1 2 39 1 2 41 1 4 w o Brick S 2 1 2 2 1 2 17 3 4 18 3 4 w o Brick T 8 1 8 8 1 8 44 1 4 U 11 12 3 4 24 V 7 7 9 W 2 1 4 2 1 4 42 xX 5 4 1 2 ore information visit www desatech SELECTING LOCATION PRE INSTALLATION PREPARATION Clearances SELECTING LOCATION To determine the safest and most efficient location for your appli 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 anew addition on an existing finished 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 separation and can also be ideal as an a
18. B VENT DECORATIVE GAS FIREPLACE DESA 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 l SAVE THIS BOOK l is not followed exactly a fire or explosion may This a is Mane In pea To sia ae you on how to install and maintain your appli result causing property damage personal injury ance it also contains information that will enable or death you to obtain replacement parts or optional accessory items when needed Keep it with your FOR YOUR SAFETY other important papers Do not store or use gasoline or any other flam mable vapors or liquids in the vicinity of this or WARNING Improper installation ad any other appliance justment alteration service or main _ tenance can cause injury or property WHAT TO DE i voy SMET GRS damage Refer to this manual For Do not try to light any appliance assistance or additional information e Do not touch any electrical switch consult a qualified installer service e Do not use any phone in your building agency or the gas supplier e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s NOT FOR USE WITH SOLID FUEL instructions CHECK LOCAL CODES PRIOR TO If you cannot reach your gas supplier call the INSTALLATION fire department Installation and service must be performed by a MASSACHUSETTS STATE CODE qu
19. M ennrnnvvnnrennrvrronnrervennvernrenvernrervernrervenvrernenvsenn 20 REPLACEMENT PARTS rnronvrnvennrrrronnrervennrervennrerrerensrersennner 20 TROUBLESHOOTING annarinnar n an a 21 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 24 OWNER S REGISTRATION FORM enrvvnvennvvrvnnnvervnnvvernrervernrenn 27 AGGESSORIES areas naar 29 WARRANTY INFORMATION enrrnvrnnvernrrrvennrervrnvrennrenn Back Cover SAFETY INFORMATION A WARNINGS A 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 Ha
20. NG FIREPLACE For Your Safety Read Before Lighting Lighting Instructions To Turn off Gas to Appliance OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING Ifyou do not follow these instructions exactly a fire or explosion may result causing prop erty damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire de partment C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service techni cian or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water BE ocon INSTRUCTIONS NO
21. O O Quiet Operation O O O AdVL Postage Required DESA 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 TAPE ACCESSORIES 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 BRICK LINER For M36 B H and M42 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 For VM36 B H and VM42 B H BL36S 36 Refractory Standard Bric
22. OWN Sid Bich Mea MRS 901155 01 901155 01 Vermiculite Bag VM36B VM42B 108168 01 108173 01 Bottom Front Refractory 901156 01 901156 01 Pan Material i 901157 01 901157 01 Lava Rock Herringbone VM36H VM42H f Firebox Support Leg 22180 22180 Wall Switch Kit more information visit www desatech com DESA OMONDOORWND H ee Ce Cae Co Sere Ce Ces Ce es CG MP e E 42 RA MMA HAMA HBA HPNMAHAHNMAH HBB a pHa st nnn nin niin niin ppm k Not a field replaceable part 108795 01K ILLUSTRATED PARTS BREAKDOWN Logsets for Models M36 B H M42 B H VM42 B H and VM42 B H ILLUSTRATED PARTS BREAKDOWN LOGSETS FOR MODELS M36 B H M42 B H VM36 B H AND VM42 B H PART NUMBER DESCRIPTION 107999 01 Log Set 108724 01 Right Front 9 Split Log 901098 01 Rear Log 108720 01 Top Right Log 11 3 4 PART 108721 01 Top Right Log 16 NUMBER DESCRIPTION 108722 01 Top Left Log 13 1 2 Y Log 107999 02 Log Set 108723 01 Top Left Log 11 108723 01 Left Front Log 11 108839 01 Right Front Log 15 3 4 Round 901098 02 Rear Log 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 desatechicom 108795 01K OWNER S REGISTRATION FORM In order to provide better custo
23. TICE During initial operation of new heater burn ing logs will give off a paper burning smell Orange flame will also be present Open damper or window to vent smell This will only last a few hours 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 N to the OFF posi tion 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 gas go to the next step 8 Turn control knob counterclockwise y to the PILOT position AOL st ds de EG 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 re peat steps 5 through 9 If knob does not pop up when released stop and im mediately call your service technician or gas supplier If the 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 JENS to ON Knob can be turned to ON only if the control knob is popped out
24. ada with CAN CGA B149 Lowest Listed Discharge Vent Cap Opening I 1 8 Ft Min Listed Gas Vent x N Root Pitch x 12 Listed Clearance H Min Height pe From Roof Roof Pitch Flat to 6 12 6 12 to 7 12 Over 7 12 to 8 12 Over 8 12 to 9 12 Over 9 12 to 10 12 Over 10 12 to 11 12 Over 11 12 to 12 12 Over 12 12 to 14 12 Over 14 12 to 16 12 Over 16 12 to 18 12 Over 18 12 to 20 12 Over 20 12 to 21 12 Figure 11 B Vent Terminations For more information visit www d Note Before connecting this appliance to an existing vent system or a common venting system consult with your local architect planner or building official 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 applian
25. alified installer service agency or the gas REQUIRES THE VENT DAMPER TO supplier 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 Aftermarket Completion of sale not for purpose of resale from the manufacturer DESA Save this manual for future reference TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION srennvnnvnnnrnnvnnnvenvennrennrnnvennrervennrensrenvennnn 2 UNPACKING i venting ive aksessere 3 INTRODUCTION peiiini nnr eid lie hage 4 PRODUCT SPECIFICATIONS rrrrnrnnnvervvnnvenvrervennrervernvernerrvennrene 5 SELECTING LOCATION srnvnnnvnnvrnn venn vnrvennrervennrennrnrrennrervennrernnn 6 PRE INSTALLATION PREPARATION arrnnrrvnnnvernrnvvennrevvernrerennr 6 VENTING INSTALLATION nrvnvrnnvennrnrvennrervonnrervennrernrerverrervennnn 9 INSTALLATION 2 vunne cect eh aie deta viene 11 OPERATING FIREPLACE eee eee eee eter teeter tee reeeeee 18 INSPECTING BURNERS 00 0 eee eee ete e eee eee e tee teeeteeeeaee 19 CLEANING AND MAINTENANCE 0 000 eee eeee reteset 20 SERVICE HINTS crdnan MENE 20 TECHNICAL SERVICE m rrnnrnnronnrennrnnrennrenvennrernrnnvernensvernresvenvrene 20 WIRING DIAGRA
26. ance 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 to wards the center of the firebox opening until the guide pins are free of the frame rail see Figure 37 Spring Clip Depress Spring Clip to Release A 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 Hold Down Qx Screw Side Front Face D Partially Opened ned Door Figure 36 Adjusting Glass Doors Pivot Pin Fold Bi Fold Door After Releasing Remove Spring Clip and I Bottom Pin Slide Door Out l From Pivot of Upper Track l Plate While Sliding Door D Out of the rr Upper Track Pivot Plate Figure 37 Removing Glass Doors OPENING VENT DAMPER Vent damper must be locked in the full open position before operating the fireplace If vent damper is not open fireplace will not light Figure 38 Opening Vent Damper JE more information visit www desatech com DESA 108795 01K OPERATI
27. anger insert or other ac cessory not approved for use with this fireplace Provide adequate clearances around air openings For 108795 01K 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 materials 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 more information visit www desatech mi DESA INTRODUCTION Before You Begin INTRODUCTION Models M36 B H VM36 B H M42 B H and VM42 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 burn ing 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 k
28. ce EXAMPLE 2 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 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 must exceed 75 then the system must be sized in accor dance with the Category I venting tables Example 2 Shows a multiple offset each at 45 degrees of inclination 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
29. ce 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 equipped with a vent safety shutoff switch which will shut down the appli ance in the case of a venting problem Do not bypass the vent safety switch If the 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 Figure 12 Checking for Spillage atechicom 108795 01K INSTALLATION Wall Switch Installation Optional Wireless Hand Held Remote Control Installation 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 an gling 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 20 Note If any of the original wire from the unit control must be
30. ch you gas supplier call the fire department 4 Never install the fireplace in a 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 avoid burns or clothing igni tion Fireplace will remain hot for a time after shutdown Al low surfaces to cool before touching 6 Carefully supervise young children when they are in the room with fireplace satechicom 108795 01K SAFETY INFORMATION SAFETY INFORMATION UNPACKING Continued 7 10 11 12 13 14 15 16 17 18 19 20 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 re pair this fireplace Have fireplace inspected annually by a quali fied service person 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
31. ddition to an existing wall INTERNAL WALL INSTALLATION FLUSH J FULL INSTALLATION PROJECTION INSTALLATION Figure 2 Possible Locations for Installing Appliance PRE INSTALLATION PREPARATION CLEARANCES Minimum clearances to combustibles are Back and Sides of Outer Surround rerrrerrvnvnrverersers 0 min e Drywall to Sides of Front Face Nailing Flanges 0 min BY Vent Surfaces sic csscesssssesscestscsssssasssoscssndonpastance 1 min e Ceiling to Opening erererrnvrrvvvrvvrrvvrnvernrevverneevreevre 42 min Flo orssan Rath endo eis Nee ahd Bead aves ARs 0 min e Perpendicular Wall orororrorvorrvore See Figure 6 page 7 A CAUTION Do not block required air spaces with insulation or any other material Do not obstructeffective opening of appliance with any type of facing material 2 x 4 Stud Nailing Back a lt 0 Clearance Left Side Pr Surround j O Front Face Drywall Figure 3 Minimum Clearances Top View 1 25mm Min LL p a te Clearance to X B Vent s Outer Pipe 42 1067mm Min Clearance Ceiling Maintain 2 51mm Min Clearance to the Transition Pipe as Measured at the Outer Vent Collar from Opening to Ceiling pg 0 Clearance Required Air Spaces are Indicated with an Do Not
32. e Gas Line to Millivolt Valve For more information visit www desatech 108795 01K EMBER AND PAN MATERIAL PLACEMENT 1 Open the bag s of vermiculite and fill the entire burner pan until the burner tube is completely covered see Figure 22 2 Smooth the pan material just even with edges of the burner pan 3 Remove the ember material from the bag and flatten small 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 Figure 24 Vermiculite Pan Material Grate Burner Pan Figure 22 Fill Entire Burner Pan with Vermiculite Ember Material Vermiculite Pan Material Burner FAN Grate Figure 23 Ember Material on Surface of Pan Material Vermiculite Pan and Ember Material 0 5 Grate 0 5 Bee ell Burner Pan Figure 24 Pan and Ember Material Clearances mi DESA INSTALLATION Log Placement for M36 VM36 Models INSTALLATION Continued LOG PLACEMENT FOR M36 VM36 MODELS 1 Place small front right log log 1 on right front of grate as shown in Figure 25 2 Place large back log log 2 onto grate making sure notches rest over grate as shown in Figure 25 3 Place log 3 across logs and 2 aligning pegs on log 3 with holes in logs 1 and 2 see Figure 26 4 Place the
33. ective regula tor valve Vent damper not fully open 1 Check wiring connections Refer to wir ing diagram shown in Wall Switch In stallation page 11 2 Have a qualified technician replace valve 3 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 1 Check electrical connections 2 See Pilot will not stay lit above Frequent pilot outage For 108795 01K Pilot flame may be too low causing safety pilot to drop out Improper venting or excessive blockage more information visit www desatech 1 Clean and adjust pilot flame for maximum flame impingement on thermopile 2 Have the vent system inspected includ ing the termination cap Remove any restriction or obstruction mi DESA TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Pilot goes out when wall switch is ON 1 Millivolt output on thermopile too high 1 Replace thermopile Spark ignitor will not light pilot after re 1 Defective ignitor no spark at electrode 1 Check for spark at the electrode and pi peated triggering of red button lot if no spark and electrode wire is properly connected replace ignitor 2 Defective pilot or misaligned electrode 2 Using a match light pilot If pilot lights at pilot spark at
34. electrode 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 recommended 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 No gas or low gas pressure 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 be tween 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 Ifusing propane LP gas no propane LP 4 Check propane LP supply and contact gas in tank local propane LP supplier For more information visit www desatechicom la 108795 01K TROUBLESHOOTING Continued TROUBLESHOOTING building WARNING If you smell gas e Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department IMPORTANT Operating fireplace where impurities in air exist may create odors Cleaning supplies paint paint rem
35. here product was purchased O Hardware O Propane Dealer O Natural Gas Utility Co Home Center Builder s Supply O Fireplace or Hearth Shop O Farm Store O Other 10 What motivated you to buy this product Sudden Cold Weather Replace Older Model D I Y Home Project O Emergency Back Up Heat O Heater was on Sale O Energy Savings High Efficiency Construction Project Other 11 How did you learn about this product brand O Advertising O Relative or Friend O Store Display O Other 12 Level of Education of Purchaser O Some High School O Completed High School Completed College Completed Graduate School 13 Age of Purchaser O Under 20 O20 29 O30 39 O40 49 O50 59 O60or 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 Output 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
36. ilding and Safety Commissioner before installing this appliance other wise your insurance co may not cover this appliance NOTICE This appliance is not intended to be used as a primary source of heat A CAUTION Do not connect appliance before pres sure testing gas piping Damage to gas valve may result and an unsafe condition may be caused The appliance and it s individual shutoff valve must be discon nected 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 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 5in WC 2 66 kPa Orifice Size 30 29 GAS RATING PROPANE LP Max Input Rating 40 000 Btu Hr 45 000 Btu Hr Manifold Press
37. it may be purchased for simple conversion to propane LP gas See Accessories page 29 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 components tested for this appliance YOU MAY CAUSE A FIRE HAZARD The DESA warranty will be voided by and DESA disclaims any responsibility for the following actions A Modification of the appliance or any of the components B Use of any component part not approved by DESA in combi nation with this appliance C Installation and or operation in a manner other than instructed in this manual D 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 WARNING Installation ofthis 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 Bu
38. ivalent Figure 14 Wall Switch Wiring Diagram Plastic Mounting Clips Receiver Mounting Bracket Figure 15 Installing Remote Receiver Shown from Rear of Mounting Bracket aw DESA INSTALLATION Optional Wireless Hand Held Remote Control Installation Cont Gas Line Hook Up INSTALLATION Continued 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 20 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 9 Volt Battery Battery Clip VF Receiver Terminal Wires Figure 16 Installing Battery in Receiver Installing 9 Volt Battery in Hand Held Remote Control Unit 1 Remove battery cover on back of remote control unit 2 Attach terminal wires to the battery not included Place bat tery into the battery housing Note Only use alkaline battery 3 Replace battery cover onto remote control unit Battery Remote Cover Control Unit Terminal Wires Battery Housing Figure 17 Installing Battery in Hand Held Remote Control Unit For more information visit wwwedesate GAS LINE HOOK UP
39. k Liner Kit BL42S 42 Refractory Standard Brick Liner Kit BL36HS 36 Refractory Herringbone Brick Liner Kit BL42HS 42 Refractory Herringbone Brick Liner Kit kor more information visit www desatech com 108795 01K 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 LT36PB 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 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 DESA WARRANTY INFORMATION KEEP THIS WARRANTY Model
40. l on its hinges 2 With the handle facing the center of the firebox opening in sert 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 guide track found under the upper facial edge of the fire box 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 Slide Top Pin Into Door Track Spring Clip Insert Pin Into Spring Clip Insert Bottom Pivot Pin Into Pivot Plate and Swing Door Into Vertical Position Pivot Plate 108795 01K INSTALLATION Installing Optional Glass Door Accessory Cont 1 7 Opening Vent Damper INSTALLATION Continued 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 Fig ure 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 A CAUTION The glass panels become very hot while the appli
41. mer 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 2 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 O Garage Bedroom OBathroom O Other If you bought this product yourself did you plan to purchase this type of product before going into the store O Yes ONo 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 O 25 000 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 O Wood O Natural Gas O Electric O Other 6 How was the product installed O Professional Installer O Self Other 7 Cost of product excluding sales tax 8 Cost to install product 9 Type of store w
42. one 107741 01 107741 01 Valve Bracket VM36H VM42H 14261 14261 Piezo Ignitor 106660 02 107816 02 Rear Refractory Std Brick 111288 02 111288 02 Manual Valve with Flex Hose M36B M42B 108769 01 108769 02 Extension Deflector 108166 02 108171 02 Rear Refractory Herringbone 108005 01 108005 01 Wire Harness M36H M42H 108005 02 108005 02 Wire Harness 106660 01 107816 01 Rear Refractory Std Brick 11418 11418 Push On Nut VM36B VM42B 12105 107840 01 Screen 108166 01 108171 01 Rear Refractory Herringbone 14123 14123 Strain Relief VM36H VM42H 14574 106543 01 Limit Switch 106661 02 107818 02 Bottom Rear Refractory Std m oe Collar Insulation Brick M36 M42 M36B M42B 20023 20488 Starter Collar 108167 02 108172 02 Bottom Rear Refractory 20027 20027 Brick Liner Retainer Herringbone M36H M42H 20042 20042 Air Kit Cover 106661 01 107818 01 Bottom Rear Refractory 20088 20088 Door Stop Std Brick VM36 VM42 20089 20089 Pivot Clip VM36B VM42B 20090 20090 Spring Clip 108167 01 108172 01 Bottom Rear Refractory 20280 20280 Top Spacer Herringbone VM36H VM42H ER P Gas Knockout Cover 106662 02 107820 02 Bottom Front Refractory Gas Conduit Std Brick M36 M42 Gas Conduit M36B M42B Draft Diverter 108168 02 108173 02 Bottom Front Refractory Box Assembly Herringbone M36H M42H Screw 10x5 8 Mod Tr BIk Ox 106662 01 107820 01 Bottom Front Refractory PARTS AVAILABLE NOT SH
43. ontinued FRAMING 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 Place the appliance into the framing and secure it Note If appliance is to be raised above floor level a platform must be built to support the appliance Install the supply line to the appliance using a 1 2 NPT black iron gas line terminating 2 5 16 above the bottom of the appli ance The gas line must be installed through the lower left side access point or alternate access hole in the bottom of the appli ance see Figure 19 page 12 Repack insulation around the gas line to cover any remaining openings in the conduit sleeve Prepare the incoming gas line 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 AX WARNING When finishing appliance do not overlap combustible material onto the black front face Brick tile or other noncombustible materials may be applied to the face provided that any gap is between the material used and the face is caulked with a noncombustible caulking LA
44. our 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 18 Do not remove the adjustment screw see Troubleshooting pages 21 through 23 Thermopile Pilot Burner 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 turn appliance off see To Turn Off Gas to Appliance column 1 see Troubleshooting pages 21 through 23 DESA CLEANING AND MAINTENANCE SERVICE HINTS TECHNICAL SERVICE WIRING DIAGRAM REPLACEMENT PARTS 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 lint from carpeting bed ding material pet hair etc It is imperative that the control compartments burners and circulating air sys tem 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
45. over 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 a clicking ticking noise just after burner is lit or shut off l Metal expanding while heating or con tracting while cooling 1 This is common with most fireplaces If noise is excessive contact qualified ser vice person 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 Ventilate room Stop using odor caus ing products while fireplace is running Contact local propane LP supplier Locate and correct all leaks see Gas Line Hook Up pages 12 and 13 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 pages 12 and 13 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 Line Hook Up pages 12 and 13 Dark residue on logs or inside of fireplace For more information visit
46. r 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 may vary within your state province or local codes jurisdiction Therefore it is recommended that you check with your local building 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 installations and codes practices Listed Vent Cap 1 I J 1 4 i Lateral At S Least Te s Feet Position Firestop am tr 273 Mai ntain i 1 l l Maintain Atf t Listed PG Listed eT Clearance set Clearance hytt ne eta Support Each g nd j I i l l I 12 Min Position Firestop Listed Clearance EXAMPLE 1 Figure 10 Typical B Vent Configuration 45 Position Listed Clearan
47. rol valve see Figure 21 Before connecting the black iron gas line to the inside of the appliance 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 commer cial 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 with wrench but DO NOT OVERTIGHTEN Sediment Trap Not Supplied Figure 20 Sediment Trap Red Surface Indicates For Propane LP Use Only Flexible Gas Line Pilot Adj Gas Shutoff Do NOT Kink Valve Note n 1 Wire Connections MN Not Shown for Clarity Gas Line 2 1 8 NPT Plugged Inlet Pressure Teo Tapping Tap Figure 21 Connecting Flexibl
48. service person If needed have venting system cleaned or repaired See Cleaning and Maintenance page 20 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 burn 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 Ca nadian 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 com bustible 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 exch
49. ure 10 0 in WC 2 49 kPa 10 0 in WC 2 49 kPa Minimum Supply Pressure 11 0 in WC 2 74 kPa 11 0 in WC 2 74kPa Maximum Supply Pressure 13 0 in WC 3 23 kPa 13 0 in WC 3 23 kPa Orifice Size 52 50 For more information visit www de SaLechiconm 108795 01K PRODUCT SPECIFICATIONS For Use With 6 Type B 1 Vent Pipe Only Stand Off Collar Outside Air Kit Location Optional Model 36 PRODUCT SPECIFICATIONS HEARTH AREA DIMENSIONS A B C D E F G H J K L 29 5 8 41 12 21 1 4 22 1 4 24 w o Brick 32 s 34 w o Brick 15 3 4 16 3 4 w o Brick 40 1 4 21 gr 34 3 4 Figure 1 Appliance Dimensions 108795 01K a ro n Alternate Gas Supply Inlet i I HI Glass Door 154 13 5 Optional el i K f fo B 1 1 Job N O I LI LII LII J4 WT LI t i toy L L J Le M gl Model 42 Model 36 Model 42 36 M 42 49 5 8 N 36 40 48 O 37 41 14 P 8 35 38 10 1 2 23 Q 13 7 s 14 29 1 4 31 w o Brick R 10 1 2
50. ve fireplace inspected and serviced 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 influence 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 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 For more information visit www de A WARNING Any change to this fireplace or its controls 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 propane LP fuel tank of less than 100 Ibs capacity 3 If you smell gas e shut off gas supply do not try to light any appliance do not touch any electrical switch do not use any phone in your building immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions if you cannot rea
51. www desatech 108795 01K W 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 mw DESA ILLUSTRATED PARTS BREAKDOWN Models M36 B H M42 B H VM42 B H and VM42 B H ILLUSTRATED PARTS j BREAKDOWN aD MODELS i M36 B H M42 B H VM36 B H AND VM42 B H For more information visit www desatech com 108795 01K PARTS LIST Models M36 B H M42 B H VM42 B H and VM42 B H PARTS LI ST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 20 of this manual KEY M36 B H M42 B H M36 B H M42 B H Bee NO VM36 B H VM42 B DESCRIPTION an VM36 B H VM42 B H DESCRIPTION Micro Switch 106687 01 106887 02 Damper Can Collar Insulation Pan 106691 01 107839 01 Screen Rod Fireplace Top Assembly Firebox Top Assembly Fireplace Surround 106699 01 106699 01 Transition 6 B Vent Collar 106642 01

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