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        Desa (V)KC42PE User's Manual
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1.          Venting Installation Instructions      Fireplace Installation                               2eeee22eeee 19  A TO 27  Operating Fireplac8   s r 0 200000 0 is 28        Inspecting BUMNETS    ooooccocccncconccconccconcnnnccancnnno  Cleaning and Maintenance     Troubleshooting                      Replacement Parts    Service Hints              Technical Service   Specifications         ACCESOO src iver eiireiau aatras         SAFETY INFORMATION    WARNING  Improper in   stallation  adjustment  al   teration  service or main   tenance can cause in   jury or property damage   Refer to this manual for  correct installation and  operational procedures   For assistance or addi   tional information con   sult a qualified installer   service agency or the gas  supplier     This appliance may be in   stalled in an aftermarket    permanently located   manufactured  mobile   home  where not prohib   ited by local codes     This appliance is only for  use with the type of gas  indicated on the rating  plate  This appliance is  not convertible for use  with other gases  unless  a certified kit is used       Aftermarket  Completion of sale  not for  purpose of resale  from the manufacturer    2 www desatech com    State of Massachusetts   The installation must  be made by a licensed  plumber or gas fitter in  the Commonwealth of  Massachusetts     A WARNING  This product  contains and or generates  chemicals known to the State  of California to cause cancer or  birth defects or othe
2.         116240 01E    www desatech com 17       VENTING INSTALLATION  INSTRUCTIONS    Continued    PARTS LIST FOR VENTING KITS  AND COMPONENTS    DESA  5  8   Pipe 8  Vent Kits    Number  P58 6    P58 12  P58 24  P58 36  P58 48  PA58 712  E58 45    E58 90  VKG 58    VKB 58    VKS 58    VKR 58    VKC 58    HHTK 58    Description   6  Section Double Wall Pipe   Galvanized   12  Section Double Wall Pipe   Galvanized   24  Section Double Wall Pipe   Galvanized   36  Section Double Wall Pipe   Galvanized   48  Section Double Wall Pipe   Galvanized   Adjustable 7  12  Section Double  Wall Pipe  Galvanized   45   Elbow  Galvanized   90   Elbow  Galvanized   Ground Floor Vent Kit  Galvanized   Includes  45   Elbow  7  12   Adjustable Pipe  Wall Firestop   Horizontal Square Termination   16 Screws    Basement Vent Kit  Galvanized   Includes  45   Elbow  7  12   Adjustable Pipe  Wall Firestop   Horizontal Square Termination   4  Pipe  90   Elbow  20 Screws   Snorkel Vent Kit  Galvanized   Includes  45   Elbow  7  12   Adjustable Pipe  Wall Firestop   36  Snorkel Termination  4  Pipe   1  Pipe  90   Elbow  26 Screws   Roof Vent Kit  Galvanized   Includes  45   Elbow  7  12   Adjustable Pipe  Flue Restrictor   Vertical High Wind Termination   2  Pipe  4  Pipe  Wall Firestop   Storm Collar  Roof Flashing   0 12   6 12   26 Screws   Corner Vent Kit  Galvanized   Includes 45   Elbow  7  12   Adjustable Pipe  Wall Firestop   Horizontal Termination  6  Pipe   90   Elbow  18 Screws    High Win
3.       Rear Refractory Brick Panel i    Right Refractory Brick Panel      1  1  1    QTY       116240 01E www desatech com    37    ILLUSTRATED PARTS BREAKDOWN    BURNER ASSEMBLY FOR MODELS KC42NE  KC42PE  VKC42NE AND  VKC42PE                38 www desatech com 116240 01E       BURNER ASSEMBLY FOR MODELS KC42NE  KC42PE  VKC42NE AND    VKC42PE    PARTS LIST    This list contains replaceable parts used in your fireplace  When ordering parts  follow the instructions  listed under Replacement Parts on page 34 of this manual     KEY  NO     1    2 00 ND O R O N    0    11    12  13  14  15  16  17  18  19  20    21  22  23  24  25  26  2  28  29  30  31  32  33    26808  11107    PART NO     Es    RR    RR    RR    11102  116572 02  111288 02  108866 01  108866 02  14569  14570  11165  111913 02  14396  116345 01  26827  116573 01  11214  14296  116561 01  118181 01  11186  110286 01  11147  14129  116659 01   108863 01  14149  14126  14134  14120  17223  23416  11201       DESCRIPTION       Burner Pan Assembly     Base Grate     Bottom Firebox Base  Valve Bracket   Screw   10 32 x 1 4 Zinc  Firebox Bottom   Screw   8 32 x 3 8 Zinc    luminum Tubing Assembly    Flex Gas Line     Elec  Pilot Assembly  Natural   Elec  Pilot Assembly  Propane LP   Elec  Valve Assembly  Natural   Elec  Valve Assembly  Propane LP        Screw  10 x 5 8 Zinc     Burner Base Gasket     Brass Fitting   Pilot Bracket     Switch Bracket     Flat Washer  7 8  ID x 1 1 4  OD  Bulkhead Fitting with Washer  Elbo
4.      A CAUTION  Use only new   black iron or steel pipe  Inter   nally tinned copper tubing may  be used in certain areas  Check  your local codes  Use pipe of  1 2  diameter or greater to allow  proper gas volume to fireplace   If pipe is too small  undue loss  of volume will occur           Installation must include an equipment shutoff  valve  union and plugged 1 8  NPT tap  Locate  NPT tap within reach for test gauge hook up   NPT tap must be upstream from fireplace  see  Figure 31     IMPORTANT  Install main gas valve  equipment  shutoff valve  in an accessible location  The main  gas valve is for turning on or shutting off the gas  to the appliance    Check your building codes for any special re   quirements for locating equipment shutoff valve  to fireplaces    Apply pipe joint sealant lightly to male NPT  threads  This will prevent excess sealant from  going into pipe  Excess sealant in pipe could result  in clogged fireplace valves        A WARNING  Use pipe joint  sealant that is resistant to liquid  petroleum  LP  gas           Propane LP    Supply Tank External    Regulator       Vent  Pointing  Down                   Figure 30   External Regulator with Vent  Pointing Down  Propane LP Only     We recommend that you install a sediment trap   drip leg in supply line as shown in Figure 31  Lo   cate sediment trap drip leg where it is within reach  for cleaning  Install in piping system between fuel  supply and fireplace  Locate sediment trap drip leg  where trapped m
5.     KC42NE and VKC42NE   e Rating  25 000 36 000 Btu hr   e Gas Type  Natural Gas Only   e Ignition  Electronic   e Manifold Pressure  3 5  w c    e Minimum Inlet Supply Pressure  5 5  w c    e Firebox Dimensions  HxWxD   Flanges and  Standoffs Not Included in Measurement    40  x 48  x 23   2   1016 x 1219 x 599 mm    KC42PE and VKC42PE   e Rating  23 000 33 000 Btu hr   e Gas Type  Propane LP Gas Only   e Ignition  Electronic   e Manifold Pressure  10 0  w c    e Minimum Inlet Supply Pressure  11 0  w c     e Firebox Dimensions  HxWxD   Flanges and  Standoffs Not Included in Measurement    40  x 48  x 23   2   1016 x 1219 x 599 mm        34 www desatech com    116240 01E       ACCESSORIES    NOTICE  All accessories may  not be available for all fireplace  models              Purchase these fireplace accessories from your local  retailer  If they can not supply these accessories  call  DESA at 1 866 672 6040 for information  You can  also write to the address listed on the back page of  this manual    BRICK LINER KIT     Not Shown   BL42DA   Textured Refractory    BL42DSA   Standard Refractory  BL42DHA   Textured Refractory Herringbone  BL42DHSA   Standard Refractory Herringbone    This brick liner adds a touch of style to your direct   vent fireplace  Complete installation and operation  instructions included in this manual     FLEXIBLE GAS LINE CONNECTOR  GA5081  Not Shown     For all models     PROPANE NATURAL GAS  CONVERSION KIT    Not Shown    PCDE 42KC   Propane LP Gas
6.    Low gas pressure    Kinked pilot line    Control valve is not opening      No power to unit or the igni     tion module or power trans   former is bad    1  Check to see if you have gas    supply and that equipment  shutoff valve is opened      Repeat lighting procedure    several times to purge all air  out of lines  If after repeated  attempts appliance does not  light  call for qualified service  and repair      Remove debris and dirt  in     spect and clean any other  possible obstructions      Contact your gas supplier to    check pressure      Have a qualified technician    replace pilot line      Replace control valve  Refer to    Replacement Parts  page 34       Check that main power is    on and that all wire connec   tions are made correctly to  the ignition model  see Wiring  Diagram  page 27   Check for  24 VAC at the secondary side  of the transformer  If 24 VAC  is present and the module does  not operate  have the module  replaced otherwise have the  transformer replaced       116240 01E    www desatech com    31       TROUBLESHOOTING       Continued  OBSERVED PROBLEM POSSIBLE CAUSE REMEDY   Pilot will not stay lit 1  Loose wiring on ignitor wire 1  Check wiring connection   to ignition module and or poor Refer to wiring diagram  see  ground to ignition module Wiring Diagram  page 27   and or check ground wire to   ignition module  2  Pilot flame too low to sense 2  Clean and adjust pilot burner    and check gas supply and inlet  pressure to unit   Note  Hav
7.   INSTRUCTIONS    Continued    S    H    Note  Install  restrictor into  inner collar of  fireplace as  shown              V  45    Elbow          Venting with Two 90   Elbows    Vertical  V   Horizontal  H   5  min  6  max   6  min  12  max   T min  18  max   8  min  20  max     Note  Vertical  V     Vertical  V     40  max     Figure 23   Vertical Venting  Configuration Using Two 90   Elbows   Vertical Round High Wind Termination  Shown     Vertical Venting  V   40  max     Note  Install  restrictor into  inner collar of  fireplace as  shown             45   Elbow       Figure 24   Vertical Venting  Configuration With No Horizontal Run   Vertical Round High Wind Termination   Shown     HIGH ALTITUDE INSTALLATION    Your DESA direct vent fireplace has been  tested and approved for elevations from 0 2000  feet  USA  and elevations from 0 4500 feet   Canada     When installing this fireplace at an elevation  above 2000 feet  in the USA   you may need to  decrease the input rating by changing the existing  burner orifice to a smaller size  Reduce input 4   for each 1000 feet above sea level  Check with  your local gas company for proper orifice size  identification    When installing this fireplace at an elevation  above 4500 feet  in Canada   check with local  authorities    Consult your local gas company to help determine  the proper orifice for your location    For assistance with any high altitude installation  contact DESA   s Customer Service Department at  1 866 672 6040
8.   NCDE 42KC   Natural Gas    FACE LOUVER PANEL KIT    Not Shown    RLD42   Rolled Louver  Black   FPD42   Filigree Panel  Black   FPD42B   Filigree Panel  Brushed Brass  FPD42P   Filigree Panel  Platinum  FPD42PB   Filigree Panel  Polished Brass    ROLLED LOUVER TRIM KIT   Not Shown    LT42B   Brushed Brass   LT42P   Platinum   LT42PB   Polished Brass    DEFLECTION HOODS   Not Shown   HD42   Black  2  Brow     PERIMETER TRIM KIT   Not Shown   PT42   Black    PT42B   Brushed Brass  PT42P   Platinum  PT42PB   Polished Brass           MANUAL BLOWER KIT   BK  Manual variable control blower accessory provides  better heat distribution  Complete installation and  operation instructions included in this manual        THERMOSTATICALLY   CONTROLLED BLOWER KIT   BKT    Provides better heat distribution  Blower turns  off and on automatically  as needed  Complete  installation and operation instructions included  in this manual     REMOTE CONTROL KIT   WRC  SERIES  Not Shown   Standard ON OFF electronic remote control kit        116240 01E    www desatech com 35    ILLUSTRATED PARTS BREAKDOWN    MODELS KC42NE  VKC42NE  KC42PE AND VKC42PE SERIES       116240 01E                                  ARI RIIIE RR RR RR RA  SS  SORA       www desatech com    XX   SAS                36       PARTS LIST    MODELS KC42NE  VKC42NE  KC42PE AND VKC42PE SERIES    This list contains replaceable parts used in your fireplace  When ordering parts  follow the instructions    listed under Replacement Parts 
9.   a 1 4  rise  for every 12  of run toward the termination is  required    For installation of fireplace at elevations of 4000  feet or greater  pay special attention to venting  requirement recommendations        A WARNING  Read all instruc   tions completely and thoroughly  before attempting installation   Failure to do so could result in  serious injury  property damage  or loss of life           NOTICE  Failure to follow these in   structions will void the warranty              NOTICE  Donotsealtermination  cap to vent pipe  Cap must be  removable for vent inspection  and maintenance           INSTALLATION PRECAUTIONS    Wear gloves and safety glasses for protection  Use extreme caution when using ladders or  when on roof tops   Be aware of electrical wiring locations in walls  and ceilings    The following actions will void the warranty on  your venting system     Installation of any damaged venting component  Unauthorized modification of the venting sys   tem  Do not cut or alter vent components   Installation of any component part not manu   factured or approved by DESA   Installation other than as instructed by these  instructions       A WARNING  This gas fireplace  andventassembly mustbe vented  directly to the outside  The venting  system must NEVER be attached  to a chimney serving a separate  solid fuel burning appliance  Each  direct vent gas appliance must  use aseparate ventsystem  Do not  use common vent systems           air space clearance is reguired     A
10.   page 10     Connect a section of pipe and extend up    through the hole         Wall Strap                     Roof Flashing                               45   Elbow       Ed                            Se    he Ceiling Firestop    Figure 19   Offset with Wall Strap and 45       Elbows    Note  If an offset is needed to avoid obstruc   tions  you must support the vent pipe every 3  feet  Use wall straps for this purpose  see Fig   ure 19   Whenever possible  use 45   elbows  instead of 90   elbows  The 45   elbow offers  less restriction to the flow of the flue gases  and intake air     If area above is an attic or insulated area   install firestop above framed hole           If area above is a living space  install  firestop below framed hole        Figure 20   Installing Firestop       116240 01E    www desatech com       VENTING INSTALLATION  INSTRUCTIONS    Continued    5  Place the flashing over the pipe section s   extending through the roof  Secure the base of  the flashing to the roof and framing with roof   ing nails  Be sure roofing material overlaps the  top edge of the flashing as shown in Figure 19   page 15  There must be a 1  clearance from  the vent pipe to combustible materials    6  Continue to add pipe sections until the height  of the vent cap meets the minimum building  code reguirements described in Figure 7 on  page 8  Note  You must increase vent height  for steep roof pitches  Nearby trees  adjoining  rooflines  steep pitched roofs and other similar 
11.   see  Figure 11   The siding standoff must sit flush  against the exterior fascia material    7  Combustible Exterior Wall Only  Slide the wall  firestop over the vent pipe before connecting  horizontal run to vent cap  see Figure 12     8  Carefully move fireplace  with vent assembly  attached  toward wall and insert vent pipe  into horizontal termination  The pipe overlap  should be a minimum of 1  4   see Figure 13   page 12     9  Combustible Exterior Wall Only  Slide wall  firestop against interior wall surface and attach  with screws provided  See Figure 13  page 12   for horizontal termination details    10  Place fireplace into position and shim with  noncombustible material if needed  Nail or  screw side flanges to framing to secure unit in  place  IMPORTANT  Make sure fireplace is  level before securing  If fireplace is not level  it will not work properly     Apply Mastic on  All Four Sides       Wood Screw    Figure 10   Installing Horizontal Vent Cap   Noncombustible Exterior                Cut Siding Away to  Fit Standoff    Standoff Wood    Screw    Apply Mastic   to All Four Sides   Figure 11   Installing Siding Standoff   Combustible Exterior Wall     Screws    Interior Wall  Surface    Wall  Firestop    Vent Cap   Horizontal  Termination          sr ae    Vent Pipe  Figure 12   Connecting Vent Cap with  Horizontal Vent Pipe       116240 01E    www desatech com 11       VENTING INSTALLATION                                                                     
12.  36   Removing Louver Panel    Removing Glass Door   If replacement of glass is necessary  the entire   assembly  glass and frame  must be replaced  If   glass is broken  wear gloves and tape the remaining  fragments onto the frame    1  Remove screen assembly by pushing the rod  either left or right and then down and forward  to remove screen rod assembly from the fire   box  Set assembly aside    2  Lift up on latches to unlock  There are two on  top of firebox and two below firebox that hold  glass door in place  see Figure 37     3  While holding glass door to prevent it from  falling and causing injury  remove the five  screws from the hinge located on the left side  of door frame assembly  see Figure 37      Unlock A    Lock  A  SY M  i gt         Hinge  Glass Frame  Assembly    Figure 37   Removing Replacing Glass  Door       24    www desatech com    116240 01E       FIREPLACE  INSTALLATION    Continued    Remount the new frame at the hinge with five  new screws before closing door  This will  ensure seating of the gasket    Close glass door frame  Lock latches by placing  the bar under the tab on door and pushing down  and back on latch  see Figure 37  page 24    Replace screen rod assembly by reversing  step 1    Replace louvers by reversing procedure  under Removing Louver Panels  page 24     Cleaning Glass Door  See Cleaning and Maintenance on page 30     INSTALLING LAVA ROCK AND  GLOWING EMBERS    It is very important to keep logs exactly as  installed  Do not mo
13.  INSTRUCTIONS  Continued  Minimum Pipe Siding Standoff  Overlap 11 4   Direct Vent  Pipe Screws  Wall  Firestop TS   gt  ala              Maintain 1  A  lt              Minimum Air  Space Around High Wind  Outer Pipe When Termination  Penetrating a Wall Apply  Mastic to  10 3 4  x 10 3 4  Outside  Framed Opening Edge of  Standoff    Exterior Wall with Vinyl Siding    Figure 13   Typical Horizontal  Termination Cap Mounting with  Additional Siding Standoff Installed   Horizontal Termination Configurations  Figures 14 through 18 show different configura   tions and alternatives for venting with horizontal  termination  Each figure includes a chart with  critical minimum and maximum dimensions which  MUST be met  IMPORTANT  If using a venting  configuration of only horizontal venting with no  vertical run  a 1 4  rise for every 12  of run toward  the termination is required        NOTICE  Do not seal termination  cap to vent pipe  Cap must be  removable for vent inspection  and maintenance           A WARNING  Never run vent  downward as this may cause  excessive temperatures which  could cause a fire  Operation of  improperly installed and main   tained venting system could  resultin serious injury  property  damage or loss of life        GROUND FLOOR INSTALLATION   Recommended Applications    e Installation using cabinet surrounds     Through the wall using round or square termina   tion  up to 12  horizontal pipe    e NOT FOR CORNER INSTALLATION    Adjustable    Horizontal Pi
14.  WARNING  Vent pipe air  spaceclearancesto combustibles  are 1  on all sides except on the  horizontal sections  which reguire  2  clearances from the top of the  pipe  Where the termination cap  penetrates a combustible wall  1           1    16240 01E    www desatech com 9       VENTING INSTALLATION  INSTRUCTIONS    Continued  INSTALLATION PLANNING    There are two basic types of direct vent in   stallation    e Horizontal Termination   e Vertical Termination    Horizontal Termination Installation   IMPORTANT  Horizontal square terminations   require only inner portion of wall firestop  Hori    zontal installations using round termination require   exterior portion of wall firestop  see Figure 14    page 12     1  Set the fireplace in its desired location and deter   mine the route your horizontal venting will take   Do not secure the fireplace until all venting has  been installed  Some installations require sliding  the fireplace in and out of position to make final  venting connections  Figures 14 through 18 on  pages 12 through 14 show different configura   tions for venting with horizontal termination that  will help you decide which application best suits  your installation  Check to see if wall studs or  roof rafters are in the path of your desired vent   ing route  If they are  you may want to adjust the  location of the fireplace    2  Direct vent pipe sections and components are  designed with special twist lock connections   Twist Lock Procedure  The female ends 
15.  Wall 105 4  Inside Framing  E        10 9 4                    10         1                        Framing    Vent Opening Detail     Noncombustible Wall    f    Center of  Hole                                                                               Figure 9   Vent Opening Requirements       10 www desatech com    116240 01E       VENTING INSTALLATION  INSTRUCTIONS    Continued       A WARNING  Do not recess  vent termination into any wall   This will cause a fire hazard           6  Noncombustible Exterior Wall  Position the   horizontal vent cap in the center of the 8   2   round hole and attach to the exterior wall with  four wood screws provided  Before attaching  the vent cap to exterior wall  run a bead of  non hardening mastic  pliable sealant  around  the outside edges to make a seal between it and  the outside wall  Note  The four wood screws  provided should be replaced with appropriate  fasteners for stucco  brick  concrete or other  types of sidings   Combustible Exterior Wall  For vinyl siding   stucco or wood exteriors  a siding standoff may  be installed between the vent cap and exterior  wall  The siding standoff prevents excessive  heat from damaging the siding materials   Siding material must be cut to accommodate  standoff  Bolt the vent cap to the standoff  Ap   ply non hardening mastic around outside edge  of standoff  Position the standoff cap assembly  in the center of the 10 5 4  square hole and attach  to exterior wall with wood screws provided
16.  accordingly    Turn on power to duplex outlet if previously  turned off per the warning in column 1   page 19    Plug in blower power cord to duplex outlet   The blower will only run when the speed control  knob is in the ON position and the thermal switch  senses temperature after the fireplace begins to  heat up  The blower speed can be adjusted by  rotating the control knob  To turn off  turn knob  fully counterclockwise until it clicks off  If the  blower is ON and has been running with the  fireplace operating  the blower will continue to  run for a short time after the fireplace has been  turned off  As the thermal switch cools down  the       INSTALLING GAS PIPING TO  FIREPLACE LOCATION       A WARNING  A qualified  service person must connect  fireplace to gas supply  Follow  all local codes        A CAUTION  For propane LP  units  never connect fireplace di   rectly to the propane LP supply   This heater requires an external  regulator  not supplied   Install  the external regulator between  the fireplace and propane LP    supply           blower shuts down automatically   11      see Figure 27  page 20      Blower Wiring Diagram    Peel off the backing paper and stick the sup   plied wiring diagram decal on the firebox bot   tom approximately 12  in front of the blower          A CAUTION  Label all wires  prior to disconnection when  servicing controls  Wiring errors  can cause improper and dan   gerous operation  Verify proper  operation after servicing        Var
17.  codes  use the cur   rent National Fuel Gas Code ANSI Z223 1 NFPA  54   USA  or the current CSA B149 1 Installation  Code  Canada      Available from   American National Standards Institute  Inc   1430 Broadway  New York  NY 10018  National Fire Protection Association  Inc   Batterymarch Park  Quincy  MA 02269       4 www desatech com    116240 01E       PRODUCT FEATURES    These are a few facts that can help you understand   and enjoy your direct vent fireplace      The venting system may be routed to the out   side of your home in several ways  It may vent  through the roof  vertical  or it may vent to an  outside exterior wall  horizontal   The vent  pipe installation is very important to allow for  proper operation  You must follow the venting  instructions very carefully for either vertical or  horizontal applications    e This fireplace may be installed in any room of  your house provided all local codes and these  installation instructions are followed    e The blower requires electricity  If you plan to  install the blower at a later date  do not forget  to wire the outlet at the bottom of the fireplace  when framing      Each time you turn on your fireplace  you may  notice some amount of condensation on the in   side of the fireplace glass  This is normal and will  disappear after 10 20 minutes of operation    e Your direct vent gas fireplace system  fireplace  and venting  is a balanced and sealed gas op   erating unit  It requires approximately 10 20  minutes of 
18.  cool before touching           Carefully supervise young chil   dren when they are in the room  with fireplace           Keep the area around your  fireplace clear of combustible  materials  gasoline and other  flammable vapor or liquids  Do  not run fireplace where these  are used or stored           For propane LP fireplace  do not place pro   pane 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 lb   capacity        116240 01E www desatech com 3       SAFETY INFORMATION    Continued    2  Ifyou smell gas  e shut off gas supply  e do not try to light any appliance  e do not touch any electrical switch  do not use  any phone in your building   e immediately call your gas supplier from a  neighbor   s phone  Follow the gas supplier s  instructions   e if you cannot reach you gas supplier  call the  fire department    3  Never install the fireplace  e in a recreational vehicle  ein windy or drafty areas where curtains or   other combustible  flammable  objects can  make contact with the fireplace front  ein high traffic areas   4  Turn fireplace off and let cool before servicing   installing or repairing  Only a qualified service  person should install  service or repair this  fireplace  Have fireplace inspected annually  by a qualified service person    5  You must keep control compartments  burn   ers and circulating air passages clean  More  frequent clean
19.  factors may cause poor draft or down drafting  in high winds  Increasing the vent height may  solve this problem    7  Twist lock the vent cap onto the last section  of vent pipe    Note  If the vent pipe passes through any occupied   areas above the first floor  including storage spaces   and closets  you must enclose pipe  You may  frame and sheetrock the enclosure with standard  construction material  Make sure and meet the  minimum allowable clearances to combustibles    Do not fill any of the required air spaces with   insulation     Vertical Termination Configurations  Figures 21 through 24 show four different con   figurations for vertical termination        Venting with Two 90   Elbows  to Horizontal  H      O Vertical  V  Horizontal  H    5  min  2  max   O 6  min  4 max   T min  6  max   LS 8  min  8  max     20  max  8  max   45   Elbow  Q        Note  Install restrictor  into inner collar of  fireplace as shown     Figure 21   Vertical Venting  Configuration Using Two 90   Elbows  with Two Horizontal Runs  Vertical  Round High Wind Termination Shown     Venting with One 90   Elbow  Pa  Vertical  V  Horizontal  H   S 5  min  2  max   6  min  4 max   O T min  6  max   8  min  8  max   20  max  8  max   we Elbow       Note  Install restrictor into  inner collar of fireplace as  shown        Figure 22   Vertical Venting  Configuration Using One 90   Elbow   Vertical Round High Wind Termination  Shown        16 www desatech com    116240 01E       VENTING INSTALLATION
20.  gualified  service person to do this              A WARNING  If there is a du     plex electrical outlet installed  in the right side of the bottom  of the fireplace base area  be  sure that the electrical power  to the outlet is turned off before  proceeding with blower instal   lation  Failure to do this may    5  Mount speed control box to switch bracket  by placing the plastic control shaft forward  through the round opening in the switch  bracket  see Figure 26     6  While supporting speed control  secure control  shaft with lock nut by pushing and turning  lock nut with pliers clockwise until it is tight  against front panel  Place control knob pro   vided on shaft    7  Turn on power to duplex outlet if previously  turned off per the warning in column 1    8  Plug in blower power cord    a  If your firebox is installed as a freestanding  unit with an accessory mantel  determine  whether the power cord will exit the left  side or the right side of the firebox  Route  power cord through exit hole and plug the  power cord into a wall receptacle near the  firebox    b  If your firebox installation is recessed  and or pre wired  plug the power cord into  the duplex outlet provided  Refer to your  firebox owner   s manual for instructions  on wiring the duplex outlet     Lower Firebox                result in serious injury        Model BK Installation  Follow all instructions provided in the blower  accessory kit     1     Attach the power cord to the blower motor by  fir
21.  is  included pre installed    4  Once the battery is activated the unit is ready  to use     5  Close lower louver panel         Remote  Fireplace Control  Receptacle Receiver        Ignition  Module Plug    Extension Cord    Figure 40   Installing the WRC Remote  Battery Cover    Receiver  SS Mol Battery         Pull to Remove    Handset Insulation Tab    Figure 41   Installing Battery into Back of  Handset       26 www desatech com    116240 01E          WIRING DIAGRAM                      IGNITOR LEAD  ORANGE                            BLUE                                           a       EV1    e 151            TON    de                                                        aos                                               d0201SI  DNI STO4LNOD MALANAS    lll  m  3                              o    TRANSFORMER    WHITE                OV Ave         OV A0ZL    T                         o    GROUND    BLACK                      RED          GREEN                                     116240 01E    www desatech com    27       OPERATING FIREPLACE 6  Wait five  5  minutes to clear out any gas     Then smell for gas  ineluding near the floor     FOR YOUR SAFETY If you smell gas  STOP  Follow    B    in the  READ BEFORE LIGHTING safety information in column 1  If you don t  smell gas  go to the next step   A WARNING  If you do not fol  7  Turn the equipment shutoff valve counter   low these instructions exactly  clockwise       gt  to the ON position  Do not         force   a 
22.  show a leak  Correct                                                             Continued all leaks at once   Red Surface 5  Reconnect fireplace and equipment shutoff  Equipment Flexible Indicates For valve to gas supply  Check reconnected fittings  Shutoff Gas Line Propane LP Use for leaks   Onl  wae 1  di Test Pressures Equal To or Less Than     i PI 1 2 PSIG  3 5 kPa    lt            il    f    1  Close eguipment shutoff valve  see Figure 33    Ni 0  eL   S 2  Pressurize supply piping system by either       1 2  NPT Inlet opening propane LP supply tank valve for    Incoming Pressure Outlet propane LP gas fireplace or opening main gas  Gas Line Tap Pressure valve located on or near gas meter for natural    Tap gas fireplace or using compressed air     Note  Wire Connections Not Shown for Clarity 3  Check all joints from propane LP supply tank  or gas meter to eguipment shutoff valve  see       Figure 32   Connecting Flexible Gas Line Figure 34 or Figure 35   Apply noncorrosive  to Electronic Valve leak detection fluid to all joints  Bubbles form   ing show a leak  Correct all leaks at once   CHECKING GAS CONNECTIONS et  Equipment m       Open       WARNING  Testallgas piping   Shutof  z f Valve   and connections   internal and   external to unit  for leaks after   installing or servicing  Correct p  Closed   all leaks at once  Figure 33   Equipment Shutoff Valve   Equipment Shutoff Valve                                  A WARNING  Neveruseanopen   Propane LP    1       fl
23.  sup   plied wiring diagram decal on the firebox bot   tom approximately 12  in front of the blower   see Figure 27            Wiring Diagram Decal  12  in Front of Blower       Figure 27   Location of Wiring Diagram  Decal  Model May Vary From Illustration     Model BKT Installation   Note  When installing the BKT thermostati    cally controlled blower  you must first secure the   thermal switch bracket to the blower if it has not  already been factory installed    1  Place the green ground wire with ring terminal  between the bottom hole on the thermal switch  bracket and the top ear hole on the blower as   sembly  Insert the phillips screw into all three  pieces and tighten securely  see Figure 28     2  Connect wire harness and power cord ter   minals  Connect the blue jumper wire to the  blower motor terminal and the right side ter   minal of the thermal switch  Connect the black  wire to the left side of the thermal switch and  the white wire to the other remaining blower  motor terminal    Note  The power cord outer insulation sleeve may   have to be stripped slightly to allow enough wire   length to reach and make all connections  DO NOT  trim excessive length away  Just enable enough to  make all connections securely     3  Place the blower against the lower rear wall of  the firebox outer wrapper with the exhaust port  directed upward and the thermodisc positioned  up near the fireplace bottom  The thermodisc  must be oriented near the fireplace bottom as  shown in 
24. 2  max   7  min  6  max  18  max   8  min  8  max  20  max   20  max  8  max  20  max     Figure 17   Horizontal Termination Configuration for Venting Using Two 90   Elbows               Sh 9  Sy  N   gt  E  Hi  Venting with Two 90   Elbows  Vertical  V  srd  Mi di    Horizontal  H         5  min  6  max    6  min  12  max    T min  18  max  5   8  min  20  max  45  Elbow  20  max  20  max     Figure 18   Horizontal Termination Configuration for Venting Using Two 90   Elbows  with Termination at 90   with Fireplace       14 www desatech com 116240 01E       VENTING INSTALLATION  INSTRUCTIONS    Continued    INSTALLATION FOR VERTICAL  TERMINATION    Note  Vertical restrictor must be installed in all  vertical installations     Flat Ceiling Installation    le    Cut a 10   4  square hole in the ceiling using  the locating hole as a center point  The open   ing should be framed to 10 5 4  x 10 4  inside  dimensions  as shown in Figure 9 on page 10  using framing lumber the same size as the  ceiling joists  If the area above the ceiling is  an insulated ceiling or an attic  nail firestop  from the top side  This prevents loose insula     1  Determine the route your vertical venting    will take  If ceiling joists  roof rafters or other  framing will obstruct the venting system   consider an offset  see Figure 19  to avoid cut   ting load bearing members  Note  Pay special  attention to these installation instructions for  required clearances  air space  to combustibles  when pass
25. DESA     DIRECT VENT FIREPLACE  OWNER   S OPERATION AND INSTALLATION MANUAL       5  are certified in the U S  by NFI  A m   National Fireplace Institute    ES  www nficertified org          aie       VV  a products be installed and  serviced by professionals vvho       Patent Pending          NATURAL GAS MODELS   V KC42NE SERIES    PROPANE LP GAS MODELS   V KC42PE SERIES    WARNING  If the information in this manual is not fol   lowed exactly  a fire or explosion may result causing  property damage  personal injury or loss of life         Do not store or use gasoline or other flammable  vapors and liquids in the vicinity of this or any other  appliance        WHAT TO DO IF YOU SMELL GAS  e Do not try to light any appliance    e Do not touch any electrical switch  do not use any  phone in your building   Immediately call your gas supplier from a neighbor s  phone  Follow the gas supplier   s instructions   If you cannot reach your gas supplier  call the fire  department        Installation and service must be performed by a quali   fied installer  service agency or the gas supplier     INSTALLER  Leave this manual with the appliance   CONSUMER  Retain this manual for future reference     For more information  visit www desatech com       TABLE OF CONTENTS    Safety Information        1211120  20020   02      cau 2  Product Identification       Local Codes                     Product Features                       Pre Installation Preparation       Location of Termination Cap 
26. EM    POSSIBLE CAUSE    REMEDY       Gas odor even when control  knob is in OFF position    Gas odor during combustion    1     1     Gas leak  See Warning  statement at top of    page      Control valve defective    Foreign matter between  control valve and burner      Gas leak  See Warning    statement at top of  page    Iy    Locate and correct all leaks  see  Checking Gas Connections  page  23       Replace control valve      Take apart gas tubing and remove    foreign matter      Locate and correct all leaks  see    Checking Gas Connections   page 23        Glass soots      Debris around burner air    mixer      Improper vent configuration      Inspect the opening at the base of    the burner to see that it is NOT  packed with any type of material      Check vent configuration speci     fication  see Venting Installation  Instructions  page 9        Dark residue on logs or inside  of fireplace    i    Air holes at burner inlet  blocked      Burner flame holes blocked    Improper venting or exces     sive blockage      Excessive amounts of em     bers and pan material           Clean out air holes at burner inlets     Periodically repeat as needed      Remove blockage    Have the vent system inspected     including the termination cap   Remove any restrictions or ob   struction      Clear excess embers until a mini     mum gap of 1 2  remains under the  grate       116240 01E    www desatech com    33       REPLACEMENT PARTS    Note  Use only original replacement parts  T
27. Figure 28 in order to sense tempera   ture and properly operate  The blower will be  held in position against the back wall by the  magnets incorporated onto the blower housing   see Figure 28     4  Becertain that all wire terminals are securely at   tached to terminals on blower motor and thermal  switch and that the screw for the thermodisc  bracket and green ground wire is tight    5  Mount the speed control box against the  mounting plate provided in the lower fireplace  cavity by placing the plastic control shaft  forward through the round hole  see Figure  26  page 19     6  While supporting speed control  secure control  shaft with lock nut by pushing and turning  lock nut with pliers clockwise until it is tight  against mounting plate  Place control knob  provided on shaft  see Figure 26  page 19      Power Cord  White Wire            Blue Wire  Magnetic    Thermal  Switch  Bracket       Pnillips Ring Terminal on  Screw l I  Thermal Green Wire  Switch  Air Flow  Direction    i  Thermodisc  L             Blower  Location    Route BKT Blower    Through This Area Magnets    Side View Firebox Bottom  Figure 28   Blower Model BKT       20 www desatech com    116240 01E    10     FIREPLACE  INSTALLATION    Continued    Check to make sure that the power cord is com   pletely clear of the blower wheel and that there  are no other foreign objects in blower wheel  Also  double check all wire leads and make sure wire  routing is not pinched or in a precarious position   Correct
28. ame to check for a leak  Apply  noncorrosive leak detection fluid  toalljoints  Bubbles forming show  a leak  Correct all leaks at once           Supply Tank                                                                                                                               PRESSURE TESTING GAS SUPPLY  PIPING SYSTEM    Test Pressures In Excess Of 1 2 PSIG    3 5 kPa    1  Disconnect fireplace and its individual equip   ment shutoff valve from gas supply piping  system  Pressures in excess of 1 2 psig 3 5kPa  Equipment i F    will damage fireplace gas regulator  Shutoff    Valve                                                                      Gas Valve    Figure 3  34   Checking Gas Joints for  Propane LP Gas Fireplace                              2  Capoff open end of gas pipe where eguipment  shutoff valve was connected  Gas                               3  Pressurize supply piping system by either  opening propane LP supply tank valve for  propane LP gas fireplace or opening main gas  valve located on or near gas meter for natural  gas fireplace or using compressed air                                                                                                                                Gas Valve  Figure 35   Checking Gas Joints for  Natural Gas Fireplace       116240 01E www desatech com 23       FIREPLACE  INSTALLATION    Continued    PRESSURE TESTING FIREPLACE GAS  CONNECTIONS    IE    Open equipment shutoff valve  see Figure 33   page 23     Open pro
29. antels at any height above the  fireplace    Note  Noncombustible mantels may discolor              Que 1 8     a  a  484                 yo  23  Horizontal Vent    26 1 2  Vertical Vent    Figure 4   Framing Clearances for  Installation Against an Exterior Wall         2159   4155                  48   481 4    81 2      Figure 5   Framing Clearances for Corner  Installation          I E Es INS     Tabs             Y                                                                            4  S   2  Y     gt   3       4       B 5  c 6  n  F  Y Y Y Y   6  Top of Louver    Opening  Mantel from  Mantel Top of Louver  Ref    Depth Ref  Opening  1 14  A 16   2 12  B 14   3 10  C 12   4 8  D 10   5 6  E 8   6 4  F 6   7 2  G 4                       Figure 6   Clearances for Combustible  Mantels       116240 01E    www desatech com T       GO nm          LOCATION OF TERMINATION CAP                      BTV  JOpenable  Fixed  Closed i                                                    1  A    j    B  vh 0              Y           A          V   TERMINATION CAP       Q  AIR SUPPLY INLET       clearance above grade  veranda  porch  deck  or I    balcony   12   30 5 cm  minimum    clearance to window or door that may be opened J    6   15 cm  min  for 10 000 Btu or less  9   23 cm  in US  if between 10 000 and 50 000  12   30 cm  in Canada   if between 10 000 and 100 000  12   30 cm  in US if  greater than 50 000  36   91 cm  in Canada if greater  than 100 000    clearance to permanen
30. atter is not likely to freeze  A sedi   ment trap traps moisture and contaminants  This  keeps them from going into fireplace gas controls   If sediment trap drip leg is not installed or is in   stalled wrong  fireplace may not run properly     CSA Design Certified  Equipment Shutoff Valve    with 1 8  NPT Tap  Nah   Erot    Gas Meter  5 5   W C  to 10 5  W C   Pressure   Propane LP From           Approved External Regulator  Flexible  11  W C  to 14   Gas Line W C  Pressure    3  Minimum      Cap Pipe Tee Joint    Nipple         Sediment Trap   Drip Leg  Figure 31   Gas Connection    The CSA design certified equipment shutoff  valve may be supplied with the appliance or you  can purchase it from your retailer     CONNECTING FIREPLACE TO GAS  SUPPLY    Installation Items Needed   e 5 16  hex socket wrench or nut driver  sealant  resistant to propane LP gas  not  provided    1  Open lower louver door panel by gently pull   ing forward    2  Route flexible gas line  provided by installer   from equipment shutoff valve to fireplace   Route flexible gas supply line through one of  the access holes on side of fireplace     uy    Attach flexible gas line from gas supply to  control valve  see Figure 32  page 23    4  Check all gas connections for leaks  See  Checking Gas Connections  page 23        22 www desatech com    116240 01E       FIREPLACE 4  Check all joints of gas supply piping system   INSTALLATION Apply noncorrosive leak detection fluid to all    joints  Bubbles forming
31. d Round Horizontal  Termination Kit    Includes Round Termination   Wall Firestop  45   Elbow     Number  HHT 58    HTS 58    HTKS 58    VT 58  ST 58 14  ST 58 36    SC 58  WF 58  RF 58 6    RF 58 12    VR 58  S 58    WS 58  CS 58  FP 58  SF 58    RF 58    Description   High Wind Round Horizontal  Termination Kit  Galvanized  Horizontal Square Termination   Galvanized   Horizontal Square Termination Kit   Includes  Square Termination   Wall Firestop  45   Elbow   Vertical Round Termination   Galvanized   14  Snorkel Termination   Galvanized   36  Snorkel Termination   Galvanized   Storm Collar  Galvanized   Wall Firestop  Galvanized  Roof Flashing   0 to 6 12 Pitch   Galvanized   Roof Flashing   6 12 to 12 12 Pitch   Galvanized   Vertical Restrictor  Galvanized  Vinyl Siding Standoff   Galvanized   Wall Strap   Cathedral Ceiling Support  Firestop Plate   Stucco Flashing   For use   with HTS 58   Flat Roof Flashing       www desatech com    116240 01E       FIREPLACE  INSTALLATION    CHECK GAS TYPE   Use proper gas type for the fireplace unit you are  installing  If you have conflicting gas types  do not  install fireplace  See retailer where you purchased  the fireplace for proper fireplace according to your  gas type or to purchase gas conversion kit  see  Accessories  page 35      INSTALLING OPTIONAL BLOWER  ACCESSORIES       NOTICE  If installing blower in  an existing fireplace with gas  connections  shut off gas sup   ply and disconnect heater from  gas supply  Contact a
32. d let cool before cleaning                 CAUTION  You mustkeepcon   trol areas  burners and circulating  air passageways offireplace clean   Inspect these areas of fireplace  before each use  Have fireplace  inspected yearly by a qualified  service person  Fireplace may  need more frequent cleaning due  to excessive lint from carpeting   bedding material  pet hair  etc        GLASS DOOR       AX WARNING  Handle glass door  panel with care  Do not strike  slam  or otherwise abuse glass  Do not  operate fireplace with the glass  doorunlatched  removed  cracked  or broken           A WARNING  Do not use abra   sive cleaners as this may damage  glass  Use a nonabrasive house   hold glass cleaner to clean glass   Do not clean glass when hot           Glass must be cleaned periodically  During start up  it is normal for condensation to form on the inside  of the glass causing lint  dust and other airborne  particles to cling to the glass surface  During initial  start up a slight film may form on the glass due to  paint curing  The glass should be cleaned several  times with a non ammonia  nonabrasive household  cleaner and warm water after the first two weeks of  operation  Thereafter  clean the glass two or three  times during each heating season  depending on the  usage and circumstances present  Refer to Remov   ing Replacing Glass Door  page 24 of this manual  when removing glass door for cleaning        A WARNING  Only parts sup   plied by the manufacturer should  be used w
33. dify logs  Only use log set  designed for this fireplace  Logs under log grate  assembly are attached to burner  Do not attempt to  move these logs as this will damage logs           AX WARNING  Logs are unitized  and attached to the grate  Do not  handle log grate assembly by  logs  Always pick up by grate        Open louvers  remove screen  unlock door latches  and open glass door  See Removing Glass Door   steps   and 2  page 24     la    Pull ember material apart into pieces no larger  than a dime  Place these pieces loosely and spar   ingly directly onto the exposed front section of  the burner  see Figure 38   This will create  the glowing ember appearance as the flame  touches the ember material  Do not block air  slots by using too much ember material in one  area  Itis not necessary to use all of the ember  material provided    Pour lava rock onto plenum but not onto flat  burner  Itis not necessary to use all of the lava  rock provided           NOTICE  Do not putlava rock on  burner or under burner  Placing  lava rock on burner will cause  performance problems        3     Close glass door  lock door latches  replace  screen and close louvers  see Removing Glass    Door  steps 5 through 7         A WARNING  The glass door  must be securely in place before  running this fireplace  Do notrun  this fireplace if glass is missing  or broken              J Plenum                                                                Ember Material    Figure 38   Placing Ember Ma
34. e 15   Horizontal Termination Configuration for Corner Installation Using One  90   Elbow  SNORKEL TERMINATION INSTALLATION  Recommended Applications   e Installations requiring a vertical rise on building exterior  e Any installation using snorkel termination to achieve one foot above ground    Snorkel terminations are available for installations requiring a vertical rise on the exterior of the building   If installing snorkel termination below grade  you must provide proper drainage to prevent water from  entering snorkel termination  see Figure 16   Do not back fill around snorkel termination     Snorkel  Termination  Snorkel Termination Wall  Firestop  Snorkel Termination 90   Elbow       Ya   pal Es                                  IIa CS  qe DBusdedede                                                                                            SA    45   Elbow                                                                               ar all ut il Drainage AA  Figure 16   Snorkel Termination Configurations for Below Ground Installation             116240 01E www desatech com 13       VENTING INSTALLATION INSTRUCTIONS    Continued    HORIZONTAL SYSTEM INSTALLATION  USING TWO 90   ELBOWS   The following configurations show the minimum  vertical rise requirements for a horizontal system  using two 90   elbows        45   Elbow           Venting with Two 90   Elbows  Horizontal  H      Vertical  V  Horizontal  H   Horizontal  H      5  min  2  max  6  max   6  min  4 max  1
35. e a qualified techni   cian replace pilot assembly if  broken or corroded       No gas to burner  although wall 1     switch and valve are set to the    ON position    Wall switch wires defective  or too long    1     Check electrical connections       Freguent pilot outage      Pilot flame may be too low     causing safety pilot to    drop  out         Improper venting or excessive    blockage    1     Zi    Clean and adjust pilot flame for  maximum flame impingement  on thermopile   Have the vent system inspect   ed  including the termination  cap  Remove any restriction  or obstruction       Fireplace produces a clicking tick  1     ing noise just after burner is lit    or shut off    Metal expanding while heating  or contracting while cooling    1     This is normal with most  fireplaces  If noise is exces   sive  contact gualified service  person       Slight smoke orodor during initial 1     operation    Residues from manufacturing  processes and logs curing    1     Problem will stop after a few  hours of operation       32    www desatech com    116240 01E       Continued    TROUBLESHOOTING       building        A WARNING  If you smell gas   e Shut off gas supply   e Do not try to light any appliance   e Do not touch any electrical switch  do not use any phone in your    e Immediately call your gas supplier from a neighbor   s phone  Fol   low the gas supplier   s instructions   e If you cannot reach your gas supplier  call the fire department           OBSERVED PROBL
36. ect snow  towards vent termination area        CLEARANCES    Minimum clearances to combustibles for the fire   place are as follows      Back and sides 0   Perpendicular walls 6   Floor 0   Ceiling to louver opening 42   Front 36   Top of Standoffs 0   Vent  See venting instructions    for specific venting   clearances    Combustible material with a maximum thick   ness of 5 8  may be flush with the top front of  fireplace     For back and sides of fireplace  do not pack  with insulation or other materials  0  clear   ance to combustible materials are for framing  purpose only        NOTICE  This fireplace is in   tended for use as supplemental  heat  Use this fireplace along  with your primary heating sys   tem  Do not install this fireplace  as your primary heat source   If you have a central heating  system  you may run system   s  circulating blower while using  fireplace  This will help circulate  the heat throughout the house   In the event of a power outage   you can use this fireplace as a  heat source                 www desatech com 116240 01E       PRE INSTALLATION  PREPARATION    Continued    FRAMING AND FINISHING   Figure 4 shows typical framing of this fireplace   Figure 5 shows framing for corner installation  All  minimum clearances must be met    For available accessories for this fireplace  see  Accessories on page 35  If you are using a sepa   rate combustible mantel piece  refer to Figure 6  for proper installation height  You can install  noncombustible m
37. fire or explosion may result ih    causin roperty damade  per 8  Close lower louver panel   g propery g P Turn on all electric povver to the appliance   sonal injury or loss of life     10  Turn the vall svitch to the ON position   A  This appliance has a pilot which must be 11  Visually locate the pilot  The ignitor should             lighted by hand  VVhen lighting the pilot  begin to spark and the main burner should  follow these instructions exactly  ignite once flame appears at pilot    B  BEFORE LIGHTING smell all around the   If lighting the appliance for the first time  appliance area for gas  Be sure to smell next each season  it may take several attempts  to the floor because some gas is heavier than before the supply gas can reach the pilot  air and will settle on the floor  and main burners    WHAT TO DO IF YOU SMELL GAS e If the appliance will not stay lit after sev     eral attempts  follow the instructions under  To Turn Off Gas To Appliance and call your  service technician or gas supplier     e Do not try to light any appliance    e Do not touch any electric switch  do not  use any phone in your building      Immediately call your gas supplier Equipment Pilot Adjustment Screw  from a neighbor s phone  Follow the gas Shutoff Valve                            supplier s instructions  OF     C  Do not use this appliance if any part has An  A z Bor    been under water  Immediately call a alk ON Fa A  O  gualified service technician to inspect the     1 8       app
38. for the proper  flame  Alterations may have occurred during ship   ping and handling  The pilot is located on the left  hand side of the burner     The flame must envelope 1 4  of top of the ignitor    sensor and grounding stem    If your pilot assembly does not meet these re    quirements      Turn the adjustment screw marked PILOT  clockwise to decrease or counterclockwise to  increase the flame to proper size  see Figure 42   page 28   Do not remove the adjustment screw    e see Troubleshooting  page 31    Sensing  Rod  Ignitor   Sensor                                                                               U  Figure 44   Correct Pilot Flame Pattern    BURNER FLAME PATTERN    Burner flames will be steady  not lifting or floating    Flame patterns will be different from unit to unit   and will vary depending on installation type and   weather conditions    If the vent configuration is installed incorrectly    the flames will lift or  ghost   This can be danger    ous  Inspect the flames after installation to ensure   proper installation and performance    Figure 45 shows a typical flame pattern    If burner flame pattern differs from that de    scribed    e turn fireplace off  see To Turn Off Gas to Ap   pliance  page 28    e see Troubleshooting  page 31                                                                            Figure 45   Typical Flame Pattern       116240 01E    www desatech com 29       CLEANING AND  MAINTENANCE    A WARNING  Turn off fireplace  an
39. hen replacing broken  or damaged glass door panel   see Replacement Parts  page  34   This glass door panel is  a complete unit  No substitute  materials may be used           A CAUTION  Wear gloves and  safety glasses while handling or  removing broken glass  Do notre   move if glass is hot  Keep children  and pets away from glass           If glass has been broken  carefully remove glass  door  see Removing Replacing Glass Door  page  24   Vacuum all glass pieces with a shop vac           A CAUTION  Do not vacuum if  pieces are hot           Use only the tempered glass door replacement  intended for this fireplace  see Replacement Parts   page 34 for detail on ordering   No substitutions  may be made  See Removing Replacing Glass Door   page 24 for instructions for replacing glass door           A WARNING  Do not operate fire   place withthe glass door unlatched   removed  cracked or broken           PILOT AND BURNERS    Remove ember material before cleaning burners  and replace when cleaning is complete   Burner and controls should be cleaned with  compressed air to remove dust  dirt or lint   Use a vacuum cleaner or small  soft bristled  brush to remove excess dust  dirt or lint     LOGS    If you remove logs for cleaning  refer to Install   ing Lava Rock and Glowing Embers  page 25   to properly replace logs    Use a vacuum cleaner to remove any carbon  buildup on logs    Replace log s  if broken  See Replacement  Parts on page 34    Replace ember material periodically a
40. his  will protect your warranty coverage for parts  replaced under warranty     PARTS UNDER WARRANTY    Contact authorized retailers of this product  If  they can not supply original replacement part s    call DESA   s Customer Service Department at  1 866 672 6040     When calling DESA  have ready   e your name   e your address   e model and serial numbers of your fireplace  e how fireplace was malfunctioning   e 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 retailers of this product  If  they can not supply original replacement part s    call DESA at 1 866 672 6040 for referral infor   mation    When calling DESA  have ready     model number of your fireplace   e the replacement part number    SERVICE HINTS    When Gas Pressure Is Too Low   e pilot will not stay lit   e burners will have delayed ignition   e fireplace will not produce specified heat   e propane LP gas supply might be low  propane   LP units only    You may feel your gas pressure is too low  If so    contact your local gas supplier     TECHNICAL SERVICE    You may have further questions about installation   operation or troubleshooting  If so  contact DES A s  Customer Service Department at 1 866 672 6040   When calling  please have your model and serial  numbers of your heater ready     You can also visit DESA   s technical service web  site at www desatech com     SPECIFICATIONS
41. iable  Fan Switch       110 115 Blue  V A C       Black Blower  White Motor                   Figure 29   Blower Wiring Diagram for  Thermostat Controlled Models    116240 01E    Fan Switch   N O      A WARNING  For natural gas   never connect heater to private   non utility  gas wells  This gas  is commonly known as wellhead  gas              Installation Items Needed   Before installing fireplace  make sure you have   the items listed below      external regulator  supplied by installer    e piping  check local codes    e sealant  resistant to propane LP gas    e equipment shutoff valve     e test gauge connection     e sediment trap   e tee joint   e pipe wrench   e approved flexible gas line with gas connector   if allowed by local codes      A CSA design certified equipment shutoff   valve with 1 8  NPT tap is an acceptable alterna    tive to test gauge connection  Purchase the CSA   design certified equipment shutoff valve from   your retailer    For propane LP connection only  the installer must   supply an external regulator  The external regula    tor will reduce incoming gas pressure  You must   reduce incoming gas pressure to between 11  and   14  of water  If you do not reduce incoming gas   pressure  fireplace regulator damage could occur    Install external regulator with the vent pointing   down as shown in Figure 30  page 22  Pointing the   vent down protects it from freezing rain or sleet        www desatech com 21       FIREPLACE  INSTALLATION    Continued  
42. ing may be needed due to ex   cessive lint and dust from carpeting  bedding  material  etc  Turn off the gas valve and pilot  light before cleaning fireplace    6  Have venting system inspected annually by a  qualified service person  If needed  have vent   ing system cleaned or repaired  See Cleaning  and Maintenance  page 30    7  Do not use any solid fuels  wood  coal  paper   cardboard  etc   in this fireplace  Use only the  gas type indicated on fireplace nameplate    8  This appliance  when installed  must be electri   cally 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    9  Do not use fireplace if any part has been ex   posed to or under water  Immediately call a  qualified service person to arrange for replace   ment of the unit    10  Do not operate fireplace if any log is broken    11  Do not operate fireplace with glass door  removed  cracked or broken    12  Provide adequate clearances around air  openings     PRODUCT  IDENTIFICATION    Upper Louver   Panel  Nailing  Flange N    Flue Collar                 Glass  Door  Assembly    Lava  Rock                            Louver  Pane             Electronic  Control Valve  Andiron  Switch Bracket for Optional Assembly  Remote and Blower  Figure 1   Direct Vent Fireplace with  Millivolt Ignition    LOCAL CODES    Install and use fireplace with care  Follow all local  codes  In the absence to local
43. ing through ceilings  walls  roofs   enclosures  attic rafters  etc  Do not pack air  spaces with insulation  Also note maximum  vertical rise of the venting system and any  maximum horizontal offset limitations     tion from falling into the required clearance  space  If the area above the ceiling is a living  space  install firestop below the framed hole   The firestop should be installed with no less    than three nails per side  see Figure 20      2  Assemble the desired lengths of pipe and  elbows necessary to reach from the fireplace  flue up through the firestop  Be sure all pipe  and elbow connections are fully twist locked     see Figure 8  page 10      3  Cut a hole in the roof using the locating hole    2  Set the fireplace in desired location  Drop a  plumb line down from the ceiling to the posi   tion of the fireplace exit flue  Mark the center  point where the vent will penetrate the ceiling   Drill a small locating hole at this point     Drop a plumb line from the inside of the roof    as a center point   Cover any exposed open  vent pipes before cutting hole in roof   The  10 3   4  x 10 3 4  hole must be measured on  the horizontal  actual length may be larger  depending on the pitch of the roof  There  must be a 1  clearance from the vent pipe to  combustible materials  Frame the opening as    to the locating hole in the ceiling  Mark the  center point where the vent will penetrate the  roof  Drill a small locating hole at this point        shown in Figure 9
44. leak  However  the odor added to the gas can fade   Gas may be present even though no odor exists   Make certain you read and understand all warnings   Keep this manual for reference  It is your guide to  safe and proper operation of this fireplace        A WARNING  Any change to  this fireplace or it   s controls can  be dangerous  Do not modify  this fireplace under any circum   stances  Any parts removed for  servicing must be replaced prior  to operating fireplace           A WARNING  Do not use a  blower insert  heat exchanger  insert or other accessory not  approved for use with this fire   place           A WARNING  This appliance  is only for use with the type of  gas indicated on the rating plate   This applianceis not convertible  for use with other gases unless  a certified kit is used              A WARNING  Do notallowfans  toblow directly into the fireplace   Avoid any drafts that alter burner  flame patterns           Due to high temperatures  the  appliance should be located out  of traffic and away from furniture  and draperies           Do not place clothing or other  flammable material on or near  the appliance  Never place any  objects on the appliance        Do not use this fireplace to cook    food or burn paper or other flam   mable material           This fireplace reaches high tem   peratures  Keep children and  adults away from hot surface to  avoid burns or clothing ignition   Fireplace will remain hot for a  time after shutdown  Allow sur   face to
45. liance and to replace any part of the  control system and any gas control which Figure 42   Turning Eguipment Shutoff                                           has been under water  Valve to the OFF Position  LIGHTING    kj INSTRUCTIONS ai Pilot          Sensing  Burner Rod  NOTICE  During initial operation      D Ignitor  of new heater  burning logs will O oa  give off a paper burning smell                           Orange flame will also be pres   ent  Open damper or window to  vent smell  This will only last a          Figure 43   Pilot          few hours  nn TO TURN OFF GAS   1  STOP  Read the safety information TO APPLIANCE  above  1  Turn off the wall switch    2  Turn off all electric power to the fireplace  2  Turn off all electric power to the appliance   3  Turn wall switch to the OFF position  if service is to be performed    4  Open lower louver panel  3  Open lower louver panel    5  Turn eguipment shutoff valve clockwise Remove front hearth brick and control  TN to the OFF position  see Figure 42   access panel   Do not force  5  Turn equipment shutoff valve clockwise    TT to OFF  Do not force   6  Close lower louver panel        28 www desatech com 116240 01E       OPERATING FIREPLACE    Continued  NA OPTIONAL REMOTE ut  OPERATION   Note  The WRC receiver and hand held re    mote control kit must be purchased separately    see Accessories  page 35   Follow installation   instructions on page 26    1  Turn equipment shutoff valve to ON position   You can now tu
46. mly pushing the two female terminals at the  end of the power cord onto the two spade ter   minals on the blower motor  see Figure 25          Cavity       Side View Blower Location  Spade Z Magnetic  Terminals A ine Strips  Green A DA   Ground sO   Wire a    Screw Exhaust Port    Figure 25   Blower Model BK       2  Attach green ground wire from power cord  to blower housing using screw provided  see Switch Speed Control Control Shaft  Figure 25   Tighten screws securely  Bracket  3  Place the blower against the lower rear wall of  the firebox outer wrapper with the exhaust port  directed upward  The blower will fit inside the  back opening and be held in position against  the back wall by the magnets  see Figure 25    4  Becertain that all wire terminals are securely  attached to terminals on blower motor and Duplex Outlet  that the screw retaining the green ground Locknut  Located underneath  wir   istight  Control firebox floor against  Knob lower right outside wall   Figure 26   Attaching Speed Control to  Firebox  116240 01E www desatech com 19       FIREPLACE  INSTALLATION    Continued       AX CAUTION  Never touch the  blower wheel while in operation           9  Check to make sure that the power cord is com   pletely clear of the blower wheel and that there  are no other foreign objects in blower wheel   Turn blower on and check for operation  Turn  blower off by turning knob fully counterclock   wise before continuing     10  Peel off the backing paper and stick the
47. nd any other obstruction within   a horizontal distance of 18   45 7 cm        t vent shall not terminate directly above a side walk or paved driveway which is located between two  single family dwellings and serves both dwellings     only permitted if veranda  porch  deck or balconey is fully open on a minimum of 2 sides beneath the floor     as specified in CAN CSA B149   1 or  2  Installation Codes  1991  for Canada and U S A   Note  Local codes or regulations may require different clearances    Termination Clearances for Buildings with Combustible and Noncombustible Exteriors    Inside Corner    Outside Corner    Recessed Location       Balcony with No Side Wall             G   12   30 5 cm  minimum clearance    aL A 6   15 2 cm     V           B   6   15 2 cm     Perpendicular Side Wall                                              Combustible  amp   Noncombustible    H   24   61 cm   J   20   50 8 cm                    C   Maximum depth of 48   121 9 cm   for recessed location   D   Minimum width for back wall of  recessed location    Combustible   38   965 mm   Noncombustible   24   61 cm    E   Clearance from corner in  recessed location   Combustible   6   15 2 cm   Noncombustible   2   5 1 cm        Figure 7   Minimum Clearances for Termination Cap    www desatech com       116240 01E       VENTING INSTALLATION  INSTRUCTIONS          NOTICE  Read these instruc   tions completely before at   tempting installation        These models are tested and approved for use  wi
48. of the  pipes have locking lugs  indentations   These  lugs will slide straight into matching slots on the  male ends of adjacent pipes  Push pipe sections  together and twist one section clockwise ap   proximately one quarter turn until the sections  are fully locked  see Figure 8   Note  Horizontal  runs of vent must be supported every three feet   Use wall straps for this purpose    3  Use a 45   elbow to connect venting system  to fireplace flue collar  The elbow is designed  to be twist locked onto the flue collar as  described in step 2  IMPORTANT  Do not  attempt to alter the configuration of the elbow  by cutting  twisting  bending  etc    4  Assemble the desired combination of pipe and  elbows to the fireplace flue collar  If there are  long portions of venting run  pre assembled  pipe sections may be installed as subassem   blies for convenience     5  Carefully determine the location where the vent    pipe assembly will penetrate the outside wall   The center of the hole should line up with the  center line of the horizontal vent pipe  Mark the  wall for a 10 3 4  x 10   4  square hole  Cut and  frame the square hole in the exterior wall where  the vent will be terminated  If the wall being  penetrated is constructed of noncombustible  material  such as masonry block or concrete   a 8   2  hole with zero clearance is acceptable   see Figure 9      Female     Locking Lugs is        maie    Slots         Figure 8   Vent Pipe Connections    Vent Opening    Combustible
49. on page 34 of this manual     KEY PART  NO  NUMBER DESCRIPTION   1 i E Firebox Assembly  2 f     Face Weldment    3 E 108328 01 Door Assembly     108328 02 Door Assembly  V Models Only      109082 01 Heat Shield    4   108331 01 Top Louver Assembly   5     108331 02 Bottom Louver Assembly  6   e Fireplace Top   7 ne Fireplace Top Insulation  8 dd   Fireplace Surround   9   1    11 See Below Left Refractory Brick Panel  12     See Below Rear Refractory Brick Panel  13 See Below Right Refractory Brick Panel  14  108455 01  Screen Rod   15  107840 01 Screen    16 11418   Push On Nut   17 14123    Strain Relief   18     21171   Gas Knock Out Cover  19 24353 Handy Box Assembly  20 24460   Gas Conduit Assembly    21  116218 01 Log Set   22  116602 01 Ember Pod   23 116375 01 Plenum   24     111871 03 Andiron Assembly    0    116542 03 Burner Assembly  Natural Gas   See page 38   116542 04 Burner Assembly  Propane LP Gas   See page 38     2        lt      0     ES     El O El m ED     El     O     El     ESE     Es        PARTS AVAILABLE  NOT SHOWN mem    25487    Lava Rock Bag Assembly  27253   Notice Label    55240 Vent Label    109144 02 Air Baffle  Natural Gas Only      Not a field replacement part        Eso ES    REFRACTORY BRICK PANELS    KC42NE VKC42NE KC42NHE VKC42NHE  KC42PE VKC42PE KC42PHE VKC42PHE  111299 02 111299 01 111302 02     111302 01  111297 02 111297 01 111300 02  111300 01  111298 02 111298 01 111301 02 111301 01    DESCRIPTION    Left Refractory Brick Panel   
50. operating time before the flame  pattern stabilizes     PRE INSTALLATION  PREPARATION    LOCATION AND SPACE  REQUIREMENTS    Determine the safest and most efficient location  for your DESA direct vent fireplace  Make sure  that rafters and wall studs are not in the way of the  venting system  Choose a location where the heat  output is not affected by drafts  air conditioning  ducts  windows or doors  Figure 2 shows some  common locations  Be aware of all restrictions and  precautions before deciding the exact location for  your fireplace and termination cap    When deciding the location of your fireplace    follow these rules      Donot connect this fireplace venting to a chim   ney flue serving a separate solid fuel burning  fireplace or appliance      Due to high temperatures  do not locate this  fireplace in high traffic areas  windy or drafty  areas or near furniture or draperies    e Proper clearances must be maintained    e If your fireplace is to be installed directly on  carpeting  vinyl tile or any combustible mate   rial other than wood  it must be installed on a  metal or wood panel extending the full width  and depth of the fireplace  See Figure 3        YAA    H U H                            Flush with a wall    Through exterior wall  enclosed in a chase             AN    Corner  A installation                      AN   1                           Figure 2   Common Fireplace Locations    A  lt  36 1 4   gt     23 1 4           48   gt     Figure 3   Fireplace B
51. ottom Dimensions       116240 01E    www desatech com 5    PRE INSTALLATION  PREPARATION    Continued    Your fireplace is designed to be used in zero  clearance installations  Wall or framing material  can be placed directly against any exterior sur   face on the back  sides or top of your fireplace   except where standoff spacers are integrally  attached  If standoff spacers are attached to your  fireplace  these spacers can be placed directly  against wall or framing material  See framing  details on page 7    If you plan on installing a television or enter   tainment center recessed above your fireplace  it  is recommended that you maintain a minimum  18  above top of louver opening    When locating termination cap  it is important  to observe the minimum clearances shown in  Figure 7  page 8    If recessing into a wall  you can avoid extra  framing by positioning your fireplace against  an already existing framing member    Do not recess termination cap into a wall or  siding    You may paint the termination cap with 450   F   232   C  heat resistant paint to coordinate with  the exterior finish    There must not be any obstruction such as  bushes  garden sheds  fences  decks or util   ity buildings within 24  from the front of the  termination cap    Do not locate termination cap where excessive  snow or ice build up may occur  Be sure to  clear vent termination area after snow falls to  prevent accidental blockage of venting system   When using snow blowers  do not dir
52. pane LP supply tank valve for  propane LP fireplace or main gas valve  located on or near gas meter for natural gas  fireplace    Make sure control knob of fireplace is in the  OFF position    Check all joints from equipment shutoff valve  to gas valve  see Figure 34 or Figure 35  page  23   Apply noncorrosive leak detection fluid  to all joints  Bubbles forming show a leak   Correct all leaks at once    Light fireplace  see Operating Fireplace  page  28   Check all other internal joints for leaks   Turn off fireplace  see To Turn Off Gas to Ap   pliance  page 28   Removing Replacing Glass  Door       A CAUTION  Do not operate  this fireplace with a broken glass  door panel or without the glass  door panel securely in place   For replacement part informa   tion see Replacement Parts   page 34           A CAUTION  Wear gloves and  safety glasses while handling  or removing broken glass  Do  not remove if glass is hot  Keep  children and pets away from  glass              A WARNING  If fireplace has  been running  turn off and un   plug fireplace  Let cool before re   moving glass door or louvers        Removing Louver Panels   Remove the top and bottom louver panels by si   multaneously pulling both top end spring latches  towards the center of the appliance until they are  disengaged from the locating holes  see Figure 36    Repeat for bottom spring latches and pull the lou   vers outward  To install or replace items removed   simply reverse the procedures above        Figure
53. pe 12  Max   High Wind      45   Elbow    Square  Termination            Square Termination  Vertical  V  Horizontal  H     32 3 4  min  17  max   45   Elbow Exterior Portion of  Wall Firestop  Round  Wall Termination Only   Firestop          Horizontal  Round  Termination    Round Termination                     If installing this fireplace at altitudes of  4000 feet and above  it is recommended  that an additional vertical height of 6  be  added to the vent system     Figure 14   Horizontal Termination  Configuration for Square or Round  Terminations       12 www desatech com    116240 01E       VENTING INSTALLATION INSTRUCTIONS                                                                                                                                                Continued  CORNER INSTALLATION Not to Exceed  Recommended Applications   H  Limits Sguare    Corner ground floor installation 90    Elbow HE Termination  e Ground floor installation where pipe vents horizon   tally through wall  over 12  horizontal pipe  y  e Basement installation where one foot clearance  from ground to termination is possible Wall  Not to Exceed  H  sy   Elbow Firestop  As Required  for  V   See  Chart for     Pipe Section ae EHOW  Required  Required  45   Elbow Vertical  V  Vertical Pipe Horizontal  H    43 1 2  min  None 30  max   54 1 2  min  1 ft  48  max   66 1 2  min  2 ft  60  max   78  2  min  3 ft  84  max   a 90 1 2  min  4 ft  20  max            Ground Floor Corner Venting  Figur
54. r reproduc   tive harm     IMPORTANT  Read this owner   s  manual carefully and completely  before trying to assemble  op   erate or service this log set   Improper use of this log set can  cause serious injury or death  from burns  fire  explosion   electrical shock and carbon  monoxide poisoning     A DANGER  Carbon monoxide  poisoning may lead to death        116240 01E       SAFETY INFORMATION    Continued    This fireplace must be installed by a gualified  cer   tified or licensed  service person  It has a sealed  gas combustion chamber that uses a coaxial pipe   pipe within a pipe and having the same center   venting system  It brings in fresh air for combus   tion through the outer pipe and combustion gases  are exhausted through the inner pipe  If the glass  door assembly and venting pipe are not properly  seated  connected and sealed  carbon monoxide  leakage  spillage  can occur    Carbon Monoxide Poisoning  Early signs of  carbon monoxide poisoning resemble the flu  with  headaches  dizziness or nausea  If you have these  signs  the log set may not be working properly  Get  fresh air at once  Have log set serviced  Some  people are more affected by carbon monoxide than  others  These include pregnant women  people with  heart or lung disease or anemia  those under the  influence of alcohol and those at high altitudes   Natural and Propane LP Gas  Natural and pro   pane LP gas are odorless  An odor making agent  is added to the gas  The odor helps you detect a gas  
55. re 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 retailers 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 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 TWO  2   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 CONSEQUEN   TIAL DAMAGES     Some states do not allow a limita
56. refully replace the ember pod and log set    14  Use screws removed in step 4 to replace  andiron assembly    15  Install lava rock and glowing embers  See  Installing Lava Rock and Glowing Embers   page 25    16  Close glass door and lock latches on top and  bottom of door and replace screen  See Re   moving Glass Door  steps 5 and 6  page 25    17  Replace top and bottom louvers          Left Side Brick  Panel                         Rear Brick Panel    Figure 39   Installing Rear Brick Panel    WALL SWITCH INSTALLATION    The installation of a wall switch allows you to ac   tivate the gas control valve and turn the fireplace  on and off  The wall switch is to be connected to  the incoming 120 volt regular household wiring  that supplies the electricity to the fireplace     OPTIONAL REMOTE CONTROL  INSTALLATION  MODEL WRC     Note  If using optional wireless hand held remote  control  the wall switch must be in the ON position  to be operational  The remote control then becomes  the switching mechanism for fireplace operation   1  Open lower louver panel    2  The WRC model receiver does not require a  battery  The receiver can be installed by first  plugging the short extension cord into the  fireplace receptacle  Then plug the receiver  unit into the extension cord  Finally plug the  ignition module plug into the receiver unit  see  Figure 40     3  Activate the remote handset battery by  removing the insulating tab on the back of  the handset  see Figure 41   The battery
57. rn the burner on and off with  the hand held remote control unit   IMPORTANT  Be sure to press the ON OFF  buttons on the hand held remote control  unit for up to 3 seconds to assure proper  operation     2  Press the ON OFF button to turn the  burner on and off     mn OPERATING OPTIONAL mn    BLOVVER ACCESSORY    Locate the blower controls by opening the lower  louver panel on the fireplace  Blovver controls  are located on the left side of the switch bracket  to the right just inside the louver panel    The BK manual blower and the BKT thermo   statically controlled blower have an ON setting  and an OFF setting  The blower will only run  when the switch is in the ON position  In the  OFF position  the blower will not operate   Note for BKT Only  If you are using BKT  blower with optional thermostat  wall mounted  or remote control  for the fireplace  your fire   place and blower will not turn on and off at the  same time  The fireplace may run for several  minutes before the blower turns on  After the  heater modulates to the pilot position  the blow   er will continue to run  The blower will shut off  after the firebox temperature decreases    The blower helps distribute heated air from  the fireplace  Periodically check the louvers of  the firebox and remove any dust  dirt or other  obstructions that will hinder the flow of air     INSPECTING BURNERS    Check pilot flame pattern and burner flame pat   terns often     PILOT ASSEMBLY    The pilot assembly is factory preset 
58. s needed   See Replacement Parts on page 34        30 www desatech com 116240 01E       CLEANING AND  MAINTENANCE    Continued    VENTING SYSTEM    Conduct annual inspection of the venting system  following these guidelines     1     Check areas of venting system that are exposed  to the weather for corrosion  rust spots or streaks  and  in extreme cases  holes   Have these items  replaced immediately by a qualified service  person     Remove the vent cap and shine a flashlight  into the vent  Remove any foreign material   Check for evidence of excessive condensation   Continuous condensation can cause corrosion  of caps  pipes and fittings and can be caused  by having excessive lateral runs  too many  elbows or exterior portions of the system being  exposed to cold weather    Inspect joints to verify that no pipe section or  fitting has been disturbed and loosened  Check  mechanical supports such as wall straps for  rigidity     TROUBLESHOOTING       A WARNING  Turn off heater and let cool before servicing  Only a  qualified service person should service and repair heater              A CAUTION  Never use a wire  needle or similar object to clean  pilot  This can damage pilot unit           Note  All troubleshooting items are listed in order of operation     OBSERVED PROBLEM    POSSIBLE CAUSE    REMEDY       Ignitor will not spark or pilot  will not light    1  No gas supply or shutoff    valve is OFF      Air in gas line      Construction debris clogging    pilot orifice   
59. terial on    Burner    INSTALLING BRICK LINER MODELS  BL42DA SA  AND BL42DHA SA        A WARNING  If fireplace has  been running  turn off unit  Let  cool before installing brick liner        You may purchase brick liner from your local  retailer or see Accessories  page 35           A CAUTION  Always handle  brick panels with two hands   Do not force brick panels into  place  Excessive force will break  brick panels        un       Remove top and bottom louvers to allow ac   cess to door latches    Unlock door latches and open glass door  See  Removing Glass Door  steps 1 and 2  page 24   Carefully remove lava rock and ember  material    Remove and iron assembly from plenum by  removing screws    Carefully lift logs and ember pod from  burner   Remove screws that attach plenum to burner  to remove plenum        116240 01E    www desatech com 25       FIREPLACE  INSTALLATION    Continued    7  Remove three screws from deflector shield on  the inside top of firebox  Set shield and screws  aside    8  Install rear brick panel first  Rest bottom edge  of panel on back edge of burner assembly  see  Figure 39     9  Install left side brick panel by sliding it be   tween the burner assembly and the side of the  firebox  see Figure 39     10  Install the right brick panel using the same  method described in step 6 for left brick  panel    11  Replace deflector shield using screws removed  in step 7    12  Using screws removed in step 6  replace  plenum and attach to burner    13  Ca
60. th DESA  direct vent  pipe components and  terminations     The venting system must terminate on the outside  of the structure and can not be attached to a chim   ney or flue system serving a separate solid fuel or  gas burning appliance  A direct vent appliance  must have its own venting system  DO NOT com   mon vent this appliance     These models are approved to be vented either  horizontally through an outside wall or vertically  through a roof or chase enclosure using the fol   lowing guidelines     When venting system terminates horizontally  on an outside wall  you may install a standoff  if the termination cap is to be installed directly  on a combustible finish such as vinyl  wood   stucco  etc    Never run the vent downward as this may  cause excessive temperatures which could  cause a fire    Vent pipe air space clearances to combustibles  are 1  on all sides except on the horizontal  sections  which requires 2  clearance from  the top of the pipe  Where the termination cap  penetrates a combustible wall  1  air space  clearance is required    Snorkel terminations are required when  minimum clearance to grade cannot be met  see  Figure 16 on page 13     Have fireplace and selected vent components on  hand to help determine the exact measurements  when elbowing or offsetting  Always use wall  firestops when penetrating walls and firestops  when penetrating ceilings or attic spaces    If using a venting configuration of only hori   zontal venting with no vertical run
61. tion on how long an implied warranty lasts or an exclusion or limitation of  incidental or consequential damages  so the above limitation on implied warranties or exclusion or limitation on  damages may not apply to you     This warranty gives you specific legal rights and you may also have other rights that vary from state to state   For information about this warranty write     DESA     2701 Industrial Drive   P O  Box 90004   Bowling Green  KY 42102 9004  www desatech com             116240 01    Rev  E  NOT A UPC 03 06    
62. tly closed window    minimum 12   30 5 cm  recommended to prevent  condensation on window    vertical clearance to ventilated soffit located above the  terminal within a horizontal distance of 24   61 cm  from L    the center line of the terminal  18   45 7 cm  minimum   clearance to unventilated soffit  12   30 5 cm  minimum  M    clearance to outside corner  see below    clearance to inside corner  see below  N    not to be installed above a meter regulator assembly   within 36   91 4 cm  horizontally from the center line   of the regulator       1   GAS METER Ll RESTRICTED AREA i   TERMINATION PROHIBITED    clearance to service regulator vent outlet   72   182 9 cm    minimum    clearance to non mechanical air supply inlet to building   or the combustion air inlet to any other fireplace    6   15 cm  min  for 10 000 Btu or less  9   23 cm  in US   if between 10 000 and 50 000  12   30 cm  in Canada   if between 10 000 and 100 000  12   30 cm  in US if   greater than 50 000  36   91 cm  in Canada if greater   than 100 000    clearance to a mechanical air supply inlet   In Canada    6 ft   1 83m  minimum  In US 3 ft   91 cm  above if within   10 ft   3 m  horizontally    t clearance above paved side walk or a paved driveway   located on public property   84   213 3 cm  minimum    clearance under veranda  porch  deck     12   30 5 cm  minimum      clearance above a roof shall extend a minimum of   24   61 cm  above the highest point when it passes   through the roof surface a
63. w  3 8      Gas Orifice  31 Natural     Gas Orifice 1 8 mm Propane LP  Screw   8 x 32 x 1 Zinc     Ignition Module     Screw  10 24 x 1 2 BLK  Transformer  24V Class 2   Crimp on Terminal Ring   124  Supply Connect Plug     Spade 1 4 F RT  Angle     16 GA Green Wire   18 GA Black Wire      Spade 1 4 Female Connector     Magnet     Electronic Components Board     Nut  8 32 Hex Zinc       Not a field replacement part        x    SS      5  a fon      ES     ES    5      fol         BS    5      El M El     EES       El      NS      EE     El ES       116240 01E    www desatech com    39    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  DIRECT VENT FIREPLACE    DESA warrants this product to be free from defects in materials and components for two  2  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  resto
    
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