Desa CD42M (-A)(-A2) User's Manual
Contents
1. Ceiling Firestop Figure 8 Vertical Termination with Offset and Wall Strap ELECTRICAL HOOKUP AND REMOTE RECEIVER DIAGRAM An outlet box with two receptacles see Figure 9 has been supplied for your convenience and is located inside on the lower right side of the fireplace The remote control receiver is factory wired and connected to the convertible gas valve as shown in Figure 10 111916 01D INSTALLATION Venting Installation Con Electrical Gookup and Remote Reeiver Diagram Gas Supply Testing Outlet Box MY Three prong Plug Figure 9 Duplex Outlet Convertible Gas Valve Remote Control Receiver Figure 10 Remote Control Receiver GAS SUPPLY TESTING NOTICE This section is intended as a guide for qualified technicians installing gas to the appliance A WARNING Do not connect appliance before pres sure testing gas piping Damage to gas valve may result and an unsafe condition may be created The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa The appliance must be isolated from the gas supply piping system by closing its individual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa The gas control valve i2. FIREPLACES AND FIREPLACE ACCESSORIES VEXAR by pl STYLECREST DIRECT VENT FIREPLACE OWNER S OPERATION AND INSTALLATION MANUAL For more information visit ww CD32M 1 2 1 2 42 A A2 WARNING If the information in this manual is not followed exactly a fire or explosion may result caus ing property damage personal injury or loss of life FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch Do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department SAVE THIS BOOK This book is valuable In addition to instructing you on how to install and maintain your appliance it also con tains information that will enable you to obtain replace ment parts or optional accessory items when needed Keep it with your other important papers WARNING Improper installation ad justment alteration service or mainte nance can cause injury or property damage Refer to this manual for cor rect installation and operational proce dures For assistance or additional in forma
3. Removing Parts for Gas Control Valve Conversion For more information visit www i 111916 01 TROUBLESHOOTING TROUBLESHOOTING A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Pilot will not stay lit 1 Defective thermocouple 1 2 Check pilot flame It must impinge on thermocouple Clean or adjust pilot for maximum flame impingement on thermocouple Ensure the connection between valve and thermocouple are tight and secure Check thermocouple with millivolt meter Take reading at thermocouple ter minals of gas valve with remote control off It should read 18 millivolts mini mum Replace faulty thermocouple if reading is below specified minimum Pilot lit but no flame on burner Remote or wires defective Thermopile not generating sufficient milivoltage Plugged burner orifice Check remote wires for proper connec tions Place jumper wire across termi nals at remote control If burner comes on replace remote If okay place jumper wire across remote control at valve If burner comes on wires are faulty or con nections are bad Check thermopile with millivolt meter Take reading at thermopile terminals of gas valve with remote control off It should read 325 millivolts minimum Replace thermopile if reading is below spec
4. Align holes on right face extension with holes on right side of front face assembly and secure with screws previously removed see Figure 29 Do the same for left side 4 Secure top face extension with left and right face extensions with two sheet metal screws see Figure 29 Figure 29 Front Face Extension Model CD32M Only BURNER FLAME ADJUSTMENT The burner flame adjustment shutter opening has been factory preset for natural gas to the proper air to gas ratio This ratio results in an even clean burning flame across the burner see Figure 30 0000000 Long Blue Flame with Yellow Tips 001 00007 Short Sharp Blowing Flame Long Uneven Yellow Flame CORRECT INCORRECT CLOSE SHUTTER INCORRECT OPEN SHUTTER Figure 30 Burner Flame Patterns For more information visit www desatech com 111916 01D BURNER FLAME ADJUSTMENT OPERATING FIREPLACE Operation Guidelines For Your Safety Read Before Lighting Lighting Instructions BURNER FLAME ADJUSTMENT Continued If adjustment is necessary you can restore the proper flame setting by loosening the air shutter screw and rotating the air shutter until proper setting is achieved see Figure 31 The correct shutter openings are as follows Tube Burner Pan Burner Model Natural Propane LP Natural Propane LP CD32M 0 188 Max CD36M A 0 188 Max CD42M A 0
5. Place log 3 rear log onto pins on rear of grate see Figure 25 7 Place log 7 right log on right pin of top log 5 Make sure it is seated properly see Figure 28 Place log 4 crossover log onto pins from both logs 2 and 3 see Figure 26 5 Place log 5 top log onto right pin of front log 2 and smooth surface of rear log 3 Make sure it is seated properly see Figure 27 Ca 0 4 7 _ 2 C wy j Figure 26 Installing Log 4 Model CD42M A 0 1 2 Vv Vv 194 Figure 23 Installing Log 1 Model CD42M A U Figure 27 Installing Log 5 Model CD42M A Figure 28 Installing Logs 6 and 7 Model CD42M A Figure 25 Installing Log 3 Model CD42M A For more information visit www desatech com 111916 01D INSTALLATION Installing Log Set Cont Decorative Facing Face Extension for Model DC32M Only BURNER FLAME ADJUSTMENT INSTALLATION Continued Lava Rock and Ember Material 1 For all models place lava rock along sides and front of firebox bottom in areas that are visible It is not necessary to use all lava rock provided NOTICE Do not put lava rock on or under burner Placing lava rock on burner could cause perfor mance problems
6. 188 0 313 0 188 0 500 A WARNING Improper installation adjustment al teration service or maintenance can cause injury or property damage Refer to this manual for assistance Consult a qualified installer for additional information Burner Tube Burner Pan Adjustment Screw Adjustment Screw Manifold ee Shutter Opening rol Firebox i Bottom L Burner Gas Line Figure 31 Air Shutter Adjustments OPERATING FIREPLACE OPERATION GUIDELINES e When used for the first time the fireplace may emit a slight odor for about 16 to 24 hours This is normal and is due to the curing of the logs and the burn in of internal paint and lu bricant used in the manufacturing process e Keep compartments logs burners and area surrounding logs clean by vacuuming and brushing at least twice a year or as necessary Turn off gas and remote switch before servicing appliance Any safety screen or guard removed for servicing the fireplace must be replaced prior to operation e Have a qualified agency periodically inspect vent system at the start of each heating season for any obstruction which will hinder its normal operation Never obstruct the flow of combustion and ventilation air Keep the front of the fireplace clear of all ob
7. 2 sides beneath the floor specified in CAN SGA B149 1 or 2 Installation Codes 1991 for Canada or for U S A installation follow the current National Fuel Gas Code ANSI 2223 1 Note Local codes or regulations may require different clearances Termination Clearances for Buildings with Combustible and Noncombustible Exteriors Inside Corner A 6 15 2cm Balcony with No Side Wall 2 2 7 2 Combustible 24 61cm Noncombustible 18 45 7cm Outside Corner Recessed Location B 6 15 2cm Combustible amp Noncombustible H 24 61cm J 20 50 8cm Figure 5 Minimum Clearances for Vent Terminations 111916 01D C Maximum depth of 48 121 9cm for recessed location D Minimum width for back wall of recessed location Combustible 38 96 5cm Noncombustible 24 61cm E Clearance from corner in recessed location Combustible 6 15 2cm Noncombustible 2 5 1 For more information visit www desatech com INSTALLATION Venting Installation Precautions Venting Installation INSTALLATION A WARNING Read all instructions completely and thoroughly before attempting installation Failure to do so could result in serious injury property damage or loss of life Operation of improperly installed and maintained venting system could result in serious injury property damage or loss of life NOTICE Failure to
8. Duct Assembly 108376 01 Burner Gas Knock Out Cover 108084 02 Pilot Assembly Natural Gas Gas Conduit Assembly 108755 01 Pilot Bracket Heat Shield 108373 01 Burner Base Assembly 108778 01 Log Set 108330 01 Burner Pan Assembly 109401 01 Small Base Log 104506 24 Orifice 109396 01 Front Log Log 2 PARTS AVAILABLE NOT SHOWN 109397 01 Rear Log Log 3 25487 Rock 109398 01 Crossover Log Log 4 110251 01 Micro Switch Assembly 109399 01 Top Log Log 5 27253 Notice Label 109400 01 Left Log Log 6 111007 01 Gas Conversion Kit M gt Log 1 an poe Aaa eon nnn in in i Not a field replaceable part t Optional See page 21 For more information visit www desatech com 111916 01D SPECIFICATIONS WIRING DIAGRAM SPECIFICATIONS CD32M CD36M A CD42M A Gas Rate Natural 16 000 23 000 Btu hr 15 000 22 000 Btu hr 25 000 35 000 Btu hr Gas Rate Propane LP 15 000 21 000 Btu hr 14 000 20 000 Btu hr 23 000 33 000 Btu hr Ignition Piezo Piezo Piezo Natural Gas Manifold Pressure 3 5 w c 3 5 w c 3 5 w c Propane LP Manifold
9. follow these instructions will void the warranty VENTING INSTALLATION PRECAUTIONS Consult local building codes before beginning the installation The installer must make sure to select the proper vent system for installa tion Before installing vent kit the installer must read this fireplace manual and vent kit instructions Only a qualified service person should install venting system The installer must follow these safety rules e Wear gloves and safety glasses for protection e Use extreme caution when using ladders or when on roof tops e Be aware of electrical wiring locations in walls and ceilings The following actions will void the warranty on your venting system Installation of any damaged venting component Unauthorized modification of the venting system Installation of any component part not manufactured or approved by DESA Installation other than as instructed by these instructions A WARNING This gas fireplace and vent assembly must be vented directly to the outside The venting system must NEVER be attached to a chimney serv ing a separate solid fuel burning appliance Each gas appliance must use a separate vent system Do not use common vent systems A WARNING Horizontal sections of this vent sys tem require a minimum clearance of 2 from the top of the pipe and 1 minimum to the sides and bottom Vertical sections of this system require a minimum of 1 clearance to combustible materials o
10. log fit over grate For more info 111916 01D rmation visit www desatech com INSTALLATION Removing Glass Panel Installin Log Set 2 Place log 2 large front log over pins on grate see Figure 19 3 Place log 3 c shaped crossover log onto rear and front logs as shown in Figure 20 Make sure it is seated properly on the smooth surface on front log and on the pin on back log 4 Place log 4 small round log on pin on right side of front log see Figure 21 5 Place log 5 small front log onto the front left part of grate making sure notches fit over prongs of grate see Figure 22 6 Place log 6 onto two pins on left side of back and front logs see Figure 22 CD32M Log 1 Placement Figure 19 Installing Log 2 CD36M A Series Shown Figure 18 Installing Log 1 CD36M A Series Shown Figure 20 Installing Log 3 Figure 21 Installing Log 4 CD36M A Series Shown CD36M A Series Shown Figure 22 Installing Logs 5 and 6 CD36M A Series Shown INSTALLATION Installing Log Set Cont Continued Model CD42M A Series 6 Place log 6 left log on left pin of front log 2 and smooth 1 Place log 1 small base log onto pin on left side of grate rear log 3 Make sure it is seated properly see extension see Figure 23 2 Rest left side of log 2 front log on top of log 1 and right side onto pin located on right side of grate extension see Fig ure 24 3
11. system serves as the chimney as well as the combustion air supply air intake The horizontal run must have a rise of 1 4 6 cm for every 12 30 48 cm of horizontal run towards the termination The maximum horizontal run depends on the vertical rise from the fireplace adapter collar to the vent termination see table below VERTICAL HORIZONTAL 0 to 1 ft 80 48 cm 1 ft 30 48 cm to 4ft 121 92 2 ft 60 96 cm to 8 ft 243 84 3 ft 91 44 to 12 ft 365 76 4 ft 121 92 to 16 ft 487 68 152 40 cm to 15 ft 457 20 6 ft 182 88 cm to 14 ft 426 72 cm 7 ft 213 36 cm to 13 ft 396 24 cm 8 ft 243 84 cm to 12 ft 865 76 cm A WARNING Never allow the vent to run downward as this may cause excessive temperatures which could cause a fire A WARNING Horizontal sections of this vent sys tem require a minimum clearance of 2 from the top of the pipe and 1 minimum to the sides and bottom Vertical sections of this system require a minimum of 1 clearance to combustible materials on all sides of the pipe For more information visit www FRAMING Once the final location has been determined observing height clear ances for vent termination you may construct framing using dimen sions shown in Figures 3 and 4 depending on your installation If the appliance is to be installed directly on carpeting tile other than ceramic or any combu
12. 108074 01 Burner Assembly 14511 14511 Ignitor Bracket 108890 01 108076 01 Burner Base Gasket 14528 14528 Brass Elbow Fitting 108897 01 110991 01 Rear Refractoryt 104506 25 14496 Orifice 108901 01 110990 01 Right Refractoryt 104509 02 14576 Aluminum Tubing Assy 108901 02 110989 01 Left Refractoryt 26808 26808 Valve Bracket 11418 11418 Push On Nut 26827 26827 Switch Bracket 108440 01 12105 Screen 108886 01 108077 01 Grate Base 108455 02 13113 Screen Rod 108891 01 104504 03 Burner ic Electrical Duct Assy 108084 02 108084 02 Pilot Assembly Nat Gas a Gas Knock Out Cover Burner Base Assembly Gas Conduit Assy 109699 01 Right Face Extension 109082 03 109082 01 Heat Shield 109699 02 Left Face Extension 109022 01 109006 01 Log Set 109700 01 Top Face Extension 109403 01 110182 01 Front Log Log 1 PARTS AVAILABLE NOT SHOWN 109404 01 109007 01 Rear Log Log 2 25487 25487 Lava Rock 109407 01 109009 01 Base Log Log 3 110251 01 110251 01 Micro Switch Assembly 109406 01 109008 01 Crossover Log Log 4 27253 27253 Notice Label 109405 01 107348 01 Left Top Log Log 5 109896 01 112033 01 Gas Conversion Kit 109408 01 107347 01 Right Top Log Log 6 WD Bee nnn nn nn nin i Not a field replaceable part t Option
13. 2 Pull ember material apart into pieces no larger than a dime Place loosely and directly onto exposed section of front burner and along space between burner and grate prongs These will create glowing ember appearance as flame touches ember material Do not block air slots by using too much ember material in one area It is not necessary to use all ember material provided 3 When lava rock and ember material are in place close and latch glass door and secure louvers in place A WARNING The glass door must be securely in place before operating fireplace Do not operate fire place if glass is missing or broken DECORATIVE FACING Any noncombustible material may be used as facing glass tile brick etc as long as the proper clearances are observed see Clearances to Combustibles page 3 Louvered openings must not be obstructed and upper and lower panels must remain accessible for service Use only heat resistant noncombustible mortar or adhesive when securing decorative facing materials FACE EXTENSION FOR MODEL CD32M ONLY Model CD32M comes equipped with a front face extension The front face extension would add 3 2 to the width and 3 4 to the height of the fireplace face To install face extension 1 Remove existing screws from front face assembly as shown in Figure 29 2 Align holes on top face extension with holes on top side of front face assembly and secure with screws previously removed see Figure 29 3
14. Pressure 10 w c 10 w c 10 w c Minimum Inlet Supply Pressure 4 5 w c 4 5 w c 4 5 w c WIRING DIAGRAM Piezo Ignitor Pilot Thermocouple Thermopile Piezo a Safety Microswitch for Pilot Models CD32M 2 CD36M A2 Gas Line and CD42M A2 Only 5 Remote Switch Supplied Incoming TH Control Not gt Valve Connect Supply TPTH To 120V ae Field Wire N O SW BLK aie Incoming WHT 120V AC Fuse Box _ _GRN or Electrical Rating Optional Wiring Diagram Breaker 120v 60Hz 0 7 For Fan Kit GND Connectors Not Supplied For more information visit www desatechycom 111916 01D ACCESSORY AND REPLACEMENT PARTS ACCESSORY AND REPLACEMENT PARTS MICRO SWITCH ASSEMBLY P N 110251 01 FOR MODELS CD32M 2 CD36M A2 AND CD42M A2 ONLY PIEZO IGNITOR P N 14492 MILLIVOLT HI LO VALVE P N 14389 FOR MODELS CD32M CD32M 2 BROWER KIT CD36M A CD36M A2 AND CD42M A PILOT ASSY STANDARD TOP LOUVER PN 108084 02 NG PILOT ORIFICE 108085 01 51 NAT 108085 02 30 LP P N 108903 01 CD32M SERIES P N 108011 01 CD36M A SERIES P N 108331 01 CD42M A STANDARD BOTTOM LOUVER P N 108903 03 CD32M SERIES P N 108011 03 CD36M A SERIES P N 108331 03 CD42M A 109479 01 CD32M SERIES 108719 01 CD36M SERIES 108455 01 CD42M ROD SC
15. REEN 108440 01 CD32M SERIES 12105 CD36M A SERIES 107840 01 CD42M A GLASS DOOR ASSEMBLY P N 108892 01 CD32M SERIES P N 110994 01 CD36M A SERIES P N 108328 01 CD42M A CD36M A SERIES ORIFICE 43 NAT CD32M SERIES ORIFICE 47 NAT P N 104506 25 P N 14496 ORIFICE 55 LP ORIFICE 55 LP P N 14514 P N 14514 CD42M A TUBE BURNER PAN BURNER ORIFICE 47 NAT ORIFICE 46 NAT P N 104506 25 P N 104506 24 ORIFICE 56 LP ORIFICE 56 LP P N 104506 20 P N 104506 20 111916 01D OPTIONAL REMOTE CONTROL KIT P N 00825 ELECTRONIC ONLY BATTERY REQUIRED FOR TRANSMITTER RECEIVER TRANSMITTER Sel STANDARD REMOTE CONTROL KIT P N 14187 MILLIVOLT ONLY BATTERIES REQUIRED FOR RECEIVER AND TRANSMITTER a NT RECEIVER TRANSMITTER REMOTE CONTROL KIT P N 00710 OPTIONAL USED ON BLOWER ONLY TRANSMITTER RECEIVER formation visit www desatech com DESA 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 16 01 111916 0 NOT A UPC For more information visit www des 111916 01 Rev D 05 04
16. TS 21 The DESA Vexar warranty will be voided by and DESA Vexar disclaims any responsibility for the following actions A Modification to the fireplace components doors blower fans or vent system B Use of any component part not manufactured or approved by DESA Vexar in combination with a DESA Vexar fire place system Proper installation is the most important step in ensuring safe and continuous operation of the fireplace Consult the local building codes as to the particular requirements with the installa tion of all factory built fireplaces This fireplace when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA 22 1 The installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI 7223 1 or the Canadian Installation Code CAN CGA B149 This appliance com plies with ANSI 721 88 1998 and CSA 2 33 M98 as a VENTED GAS FIREPLACE HEATER 111916 01 SELECTING LOCATION PRE INSTALLATION PREPARATION Clearances to Combustibles Mantel Clearances SELECTING LOCATION To determine the safest and most efficient location for your fire place consider the following guidelines 1 The location must allow for proper clearances see Figure 1 2 Consider a location whe
17. Venting Application Figure 6 Venting Installation Siding Standoff Optional Direct Vent Pipe CD32M and CD36M A 4 1 4 Inner and 7 1 4 Outer CD42M A 5 Inner and 8 Outer Wall Firestop Minimum Pipe Overlap 1 1 4 Deflector Shield Screws Maintain 1 Minimum Air Space Around Outer Pipe Horizontal when Penetrating a Wall Termination Framed Openings Vent Cap a oo Exterior Wall with CD42M A Vinyl Siding 10 9 4 10 3 4 Figure 7 Vent Termination Horizontal Ta esatecn com 111916 01D INSTALLATION Continued If an offset is necessary in the attic to avoid obstruction it is important to support the vent pipe every 3 ft to avoid excessive stress on the elbows and possible separation see Figure 8 page 7 Clearances must be maintained between the roof and the ter mination Refer to chart below Roof Pitch Minimum Height Above Roof Flat 7 12 1 ft 30 48 cm 7 12 8 12 11 gt ft 45 72 cm 8 12 9 12 2 ft 60 96 cm 9 12 10 12 2 1 2 ft 76 20 10 12 11 12 11 12 14 12 14 12 16 12 16 12 18 12 18 12 20 12 20 12 21 12 4 ft 121 92 cm 5 ft 152 40 cm 6 ft 182 88 cm 7 ft 213 36 cm 7 1 gt ft 228 60 cm 8 ft 243 84 cm Roof Flashing 45 Elbows
18. al See page 21 For more information visit www desatech com 111916 01D ILLUSTRATED PARTS BREAKDOWN Model CD42M A ILLUSTRATED PARTS BREAKDOWN MODEL 42 re XXXXXXXXXXXXXXXX ag 29292229S SA ROKR KR KR KR KT OM KR KR KKK ROY RRR RRR ERY KK KRG N t www de ion visi 111916 01D PARTS LIST Model CD42M A PARTS LIST MODEL 42 a PART a PART DESCRIPTION NUMBER DESCRIPTION Firebox Assembly 109401 02 Right Top Log Log 7 Face Weldment 11102 Screw 8 32 x 3 8 PPH Zinc 108328 01 Door Assembly 11105 Screw 10 x 1 2 Zinc 108331 01 Top Panel Assembly Louver 11179 Screw 10 24 x 1 4 Zinc 108331 03 Bottom Panel Assembly Louver 11237 Screw Trilab M4 x 8mm a Fireplace Top 14389 HI LO Sit Valve Natural Gas Fireplace Top Insulation 14492 Piezo Fireplace Surround 14500 Brass Fitting 108329 05 Burner Assembly 14253 Flexible Connector 108374 01 Burner Base Gasket 14511 Ignitor Bracket 111300 01 Rear Refractory 14528 Brass Elbow Fitting 111301 01 Right Refractory 104506 25 Orifice 111302 01 Left Refractory 14544 Aluminum Tubing Assembly 11418 Push On Nut 26808 Valve Bracket 107840 01 Screen 26827 Switch Bracket 108455 01 Screen Rod 108346 01 Grate Base 110037 01 Electrical
19. aneously until they are diengaged from the locating holes 3 Undo latches located on top and bottom of firebox and swing door to the fully open position 4 Carefully remove log set and ember material from burner and place them aside in a safe place 5 Replace main burner orifice with burner orifice included in conversion kit Model CD42M A series contains two burner orifices 6 Locate air shutter at end of burner manifold end of tube burner for CD42M series Loosen screw and adjust air shutter to proper setting see Burner Flame Adjustment page 11 Re tighten screw 7 Remove pilot hood by pulling up until it disengages from bar rel Do not remove the retainer clip see Figure 34 8 Remove pilot orifice from inside barrel using a 5 32 allen wrench to unscrew the orifice 9 Replace pilot orifice with LP orifice supplied with this kit The number 30 is stamped on the sleeve for identification Insert small end of new pilot orifice into barrel and thread until tight with the allen wrench 5 32 Allen Wrench Figure 34 Converting Pilot CONVERTING FIREPLACE FROM NATURAL GAS TO PROPANE LP GAS Converting Control Valve CONVERTING FIREPLACE FROM NATURAL GAS TO PROPANE LP GAS Continued 10 Line up notch on pilot hood to the positioning tab on barrel receiver and snap back into position IMPORTANT Be careful not to bend or kink the aluminum tubing during conversion Make sure the pilot hood and ori
20. ange for radiant heat transfer PRE INSTALLATION PREPARATION A CAUTION Do not block required air spaces with insulation or any other material Do not obstruct the effective opening of the appliance with any type of facing material CLEARANCES TO COMBUSTIBLES Minimum clearances to combustibles for the fireplace are Back and Sides of Fireplace 0 0 Perpendicular 6 36 ak aie nie 0 MANTEL CLEARANCES Woodwork such as wood trims mantles and other combustible materials should be placed within the required clearance specified in Figure 2 Mantel Mantel From Top Depth of Opening 1 14 A 16 2 12 B 14 3 10 12 4 8 D 10 5 6 E 8 A 6 4 F 6 7 2 4 is Top of Louver Opening Figure 2 Mantel Clearances more information visit www desatech com 111916 01D PRE INSTALLATION PREPARATION Vent Termination Clearances Framing PRE INSTALLATION PREPARATION Continued VENT TERMINATION CLEARANCES The final position of your fireplace depends on the location of the vent termination in relation to the clearances that must be observed as shown in Figure 5 on page 5 The vent
21. er line of the terminal 18 inches 45 7cm minimum clearance to outside corner see below clearance to inside corner see below clearance to unventilated soffit 12 inches 30 5cm minimum not to be installed above a meter regulator assembly within 36 inches 91 4cm horizontally from the center line of the regulator Fixed Closed B Ja HO 00 4 TERMINATION 9 AIR SUPPLY INLET GAS METER oO RESTRICTED AREA TERMINATION PROHIBITED clearance to service regulator vent outlet 72 inches 182 9cm minimum clearance to non mechanical air supply inlet to building or the combustion air inlet to any other fireplace 12 inches 30 5cm minimum clearance to a mechanical air supply inlet 72 inches 182 9cm minimum clearance above paved side walk or a paved driveway located on public property 84 inches 213 4cm minimum clearance under veranda porch deck 12 inches 30 5cm minimum 1 clearance above a roof shall extend a minimum of 24 inches 61cm above the highest point when it passes through the roof surface and any other obstruction within a horizontal distance of 18 inches 45 7cm 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
22. fects or other reproductive harm Models CD32M sereies CD36M A series and CD42M A series are heat circulating gravity direct vent fireplaces with sealed combus tion chamber These fireplaces use millivolt gas control valve and millivolt ignition system These fireplaces are convertible with the standard setup as natural gas Conversion may be performed by the O E M mobile home builder or by a qualified service person on site If you are uncertain as to what gas your unitis equipped for please check the rating plate located inside of the appliance opening or consult your mobile home supplier or your local distributor of DESA Vexar products NOTICE Check local building codes for area require ments before installing this appliance BEFORE YOU BEGIN Before beginning the installation of your appliance read these instructions through completely This DESA Vexar fireplace and its components are safe when in stalled according to this installation manual and operated as recom mended Unless you use DESA Vexar components designed and tested for this fireplace system YOU MAY CAUSE A SAFETY HAZARD For more information visit www i 15 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 16 2 20 WIRING eee ee eee eects eter teeter testes tees teeeeaeteees 20 ACCESSORY AND REPLACEMENT PAR
23. fice are properly mated and aligned after finishing this conversion CONVERTING CONTROL VALVE Convert the gas control valve by swapping out the valve regulator portion of the gas valve 1 Using a TORX T20 or a slotted screwdriver remove and dis card the three mounting screws pressure regulator tower and diaphragm spring components see Figure 35 Install the identification label enclosed with gas valve regulator to the valve body where it can easily be seen see Figure 36 A WARNING The conversion kit must be installed by a qualified service technician in accordance with the manufacturers instructions and all applicable codes and requirements of the authority having juris diction If any information is these instructions is not followed correctly a fire explosion or production of carbon monoxide may result causing property dam age personal injury or loss of life The qualified service technician is responsible for the proper in stallation of this conversion kit 2 Insure that the rubber gasket is properly positioned on the new pressure regulator assembly Install new pressure regulator as sembly to valve using new mounting screws supplied with kit Tighten screws securely approximately 25 in Ib See Figure 36 Mounting Screws Rubber Gasket Diaphragm Spring Components VA Identification Label ST J Figure 36 Installing New Parts for Gas Control Valve Conversion Figure 35
24. height should be at a distance of 3 8 95 cm to 1 2 1 27 cm from the pilot flame as shown in Figure 15 _ 8 1 2 95 1 111916 010 INSTALLATION Continued REMOVING GLASS PANEL A CAUTION Before you proceed make sure your gas control valve is in the OFF position 1 remove louvers pull both spring latches located in each end of louver toward center of appliance at the same time until disengaged from locating holes Repeat for bottom end spring latches see Figure 16 2 Remove screen rod by removing rod loop from glass door center bracket Slide screen rod either to the left or right of fireplace until one end is free to completely remove screen from fireplace 3 Undo latches located on top and bottom of firebox see Figure 17 Carefully swing door to the left The glass door is se curely mounted to the firebox with 5 screws Locating Holes Spring Latch Figure 17 Spring Latches INSTALLING LOG SET Each log is marked with a number in the following diagram These numbers will help in identifying the logs when installed It is very important to install these logs exactly as instructed Do not modify logs Only use logs supplied with fireplace Models CD32M and CD36M A Series 1 Place log 1 back log on top of grate as shown in Figure 18 for the CD36M A Series Log 1 will go in front of the metal partition on grate see Figure 18 Make sure notches in bot tom of
25. ified minimum Check burner orifice for stoppage and remove Frequent pilot outage 111916 01D Pilot flame may be too low or blowing high causing safety pilot to drop out Clean and or adjust pilot flame for maximum flame impingement on thermocouple ormation visit www desatech com ILLUSTRATED PARTS BREAKDOWN Models CD32M and 6 Series ILLUSTRATED PARTS BREAKDOWN MODELS CD32M 21 4 21 5 21 3 AND CD36M A SERIES ion visi 111916 01D PARTS LIST Models CD32M and CD36M A Series PARTS LIST MODELS CD32M AND CD36M A SERIES KEY PART NUMBER KEY PART NUMBER 2 036 DESCRIPTION NO CD36M A DESCRIPTION QTY Firebox Assembly 11102 11102 Screw 8 32 x 3 8 PPH Zinc Face Weldment 11105 11105 Screw 10 x 1 2 Zinc 108892 01 108010 01 Door Assembly 11179 11179 Screw 10 24 x 1 4 Zinc 108903 01 108011 01 Top Panel Assy Louver 11237 11237 Screw Trilab M4 x 8mm 108903 02 108011 02 Bottom Panel Assy Louver 14389 14389 HI LO Sit Valve Nat Gas Fireplace Top 14492 14492 Piezo Ignitor i Fireplace Top Insulation 14500 14500 Brass Fitting ii Fireplace Surround 14253 14253 Flexible Connector 108885 01
26. n all sides of the pipe VENTING INSTALLATION 1 Install elbow to fireplace collar adapter located on back of the unit at a 45 angle Slide elbow over collar and twist to lock Check to insure proper connection see Figure 6 2 Continue to install remainder of pipe for desired installation Make sure each section is twist locked securely For more information visit www 3 When installation of vent pipe is complete in stall vent termi nation Depending on the location of your fireplace you will vent vertically or horizontally 4 Allow 1 of pipe to protrude from internal wall depending on wall thickness See Figure 7 5 For horizontal installation an optional siding standoff may be installed between the vent cap and the exterior wall Secure horizontal vent cap to standoff Secure standoff vent cap as sembly to wall see Figure 7 Do not seal termination to vent pipe The vent termination must be removable for service pipe inspection 6 For vertical installation a vertical termination is available Also for vertical venting application install vertical flue restrictor into inner collar of fireplace as shown in Figure 6 When installing a length of pipe for vertical termination that is over 3 ft support the pipe every 3 ft using metal wall straps Vertical to horizontal pipe must be kept at a 1 ft to 4 ft ratio with a maximum run of no more than 20 ft Vertical Flue Restrict For Vertical
27. nsulation to fill gaps between gas line and conduit sleeve Com pounds used on threaded joints of gas piping shall be resistant to the action of propane or natural gas Compounds should be applied lightly to ensure excess sealant does not enter the gas line Shutoff Valve Extension Figure 12 Typical Exterior Wall Gas Shutoff Installation Gas Routing Right Side Not Shown Side of Fireplace Front Face Figure 13 Gas Line Routing For more information Complete your gas line installation by connecting the incoming gas line to the flexible gas line Secure tightly with a wrench but do not over tighten A WARNING All gas piping and connections must be tested for leaks after the installation is completed Never use an open flame to check for a leak After ensuring that the gas valve is open apply commercial leak detection fluid to all gas joints Bubbles forming show a leak Correct all leaks at once Do not operate any appliance if a leak is detected Incoming 1 2 Gas Line Permitted By Local Codes Sediment Trap Not Supplied Figure 14 Sediment Trap PILOT ADJUSTMENT The pilot or electrode assembly is factory preset for the proper flame height Alterations to these settings may have occurred during shipping and handling If this is the case some minor readjustments may be necessary and should be done by a qualified service technician The proper settings for the thermopile
28. ob to the lowest setting Turn off all electrical power to the appliance Open control access panel Push in gas control knob slightly and turn clockwise N to Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Fol low in the safety information above If you don t smell gas go to the next step The pilot is located by the main burner Turn knob on gas control counterclockwise y 0 PILOT 111916 01D OPERATING FIREPLACE Lighting Instructions Con To Turn Off Gas To Appliance CONVERTING FIREPLACE FROM NATURAL GAS TO PROPANE LP GAS OPERATING FIREPLAC Continued 9 Push in the control knob all the way and hold in Immedi ately light the pilot by pressing the red ignitor button until a flame appears Continue to hold the control knob in for about one 1 minute after the pilot is lit Release knob and it will pop back up Pilot should remain lit If it goes out repeat steps 5 through 9 If knob does not pop out when released stop and call service technician or gas supplier If the pilot will not stay lit after several tries turn gas control knob to OFF and call your service technician or gas supplier 10 Turn gas control knob counterclockwise y ON Knob can be turned to ON only if the control knob is popped out 11 Set HI LO knob to desired setting 12 Turn on all electric power
29. re the firepace would not be affected by drafts air conditioning ducts windows or doors 3 A location that avoids the cutting of joists or roof rafters makes ventilation installation easier In selecting a location the following precautions must be observed Do connect this appliance to chimney system used for solid fuel burning fireplace e Due to high temperatures do not locate this appliance in high traffic areas or near furniture and draperies e Never obstruct the openings of the appliance or flow of ventila tion air Keep the control compartments accessible Do not locate appliance close to where gasoline or other flam mable liquids may be stored The appliance must be kept clear and free from combustible materials Donot use this appliance if any part has been under water Imme diately contact a local service technician to examine the appli ance and to replace any part s of the control ignition system and other related components that have been submerged under water FULL PROJECTION CORNER INSTALLATION FLUSH INSTALLATION Figure 1 Common Fireplace Locations Flush installation is recommended where living space is limited Projected installation may be ideal for a new addition to an existing finished wall Corner installation makes use of a space that may not normally be used and provides a wider and more efficient r
30. s secured underneath the firebox Two 1 8 ports are provided on the gas control valve for pressure test gauge connections see Figure 11 To Pilot Burner 4 Pilot G Do Not Kink Hl To Main sD Inlet Blos Burner Pressure Pilot Adjustment ON OFF Knob Flame Adjustment Knob Outlet Pressure Figure 11 Gas Control Valve mation visit www desatech com INSTALLATION Gas Line Hook Up Pilot Adjustment INSTALLATION Continued GAS LINE HOOK UP A WARNING Gas line hook up should be done by your gas supplier or a qualified service person A WARNING Before you proceed make sure your gas supply is OFF An equipment shutoff valve has been included in the fireplace s gas supply system However consider installing an extra shutoff valve outside the appliance s enclosure check local codes where it can be accessed more conveniently with a key through a wall as shown in Figure 12 In conformance with local codes route a 1 2 NPT gas line towards the appliance coming in from either the left or right side of the fireplace see Figure 13 Install a sediment trap between the incoming gas line and the gas control box see Figure 14 The sediment trap should extend down a minimum of 3 7 62 cm beyond the center of the pipe When routing gas line through conduit sleeve make sure to repack i
31. stacles and materials For more information visit www FOR YOUR SAFETY READ BEFORE LIGHTING A WARNING If you do not follow these instructions exactly a fire or explosion may result causing prop erty damage personal injury or loss of life A B This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Use only your hand to push in control knob Never use tools If the knob will not push in or slide by hand don t try to repair it call a qualified service technician Force or at tempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water raucrions INSTRUCTIONS STOP Read the safety information above before proceeding Set the HI LO kn
32. stible material other than wood floor ing the appliance must be installed on a metal or wood panel extending the full width and depth of the appliance CD32M CD36M A CD42M A 32 3 8 36 40 A 3454 411 4 48 4 C 19 23 1 2 25 5 8 B 59 Figure 3 Framing Dimension CD32M 6 CD42M A A 28 1 2 35 5 4 41 5 13 s 15 21 5 8 39 9 8 49 5 8 58 1 2 D 97 2 10 5 13 1 2 9 7 8 13 3 4 16 3 4 F 34 1 2 41 1 8 48 G 35 1 2 42 8 48 1 4 54 s 68 1 4 81 1 2 Figure 4 Corner Installation atecn com 111916 01D PRE INSTALLATION PREPARATION PRE INSTALLATION PREPARATION Continued aL N A clearance above grade veranda porch deck or balcony 12 inches 30 5cm minimum B clearance to window or door that may be opened 12 inches 30 5cm minimum C clearance to permanently closed window minimum 12 inches 30 5cm recommended to prevent condensation on window D vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 24 inches 61cm from the cent
33. tion consult a qualified installer service agency or the gas supplier WARNING This direct vent gas fire place is intended for use with natural or propane LP gas only Do not at tempt to burn any solid fuels in this appliance This fireplace is manufactured for Stylecrest Inc under the Vexar brand name by DESA This fireplace may be installed as an OEM installation in a manufactured mobile home and must be installed in accordance with the manufacturers instructions and the Manufactured Home Construction and Safety Standard Title 24 CFR Part 3280 in the United States or the Mobile Home Standard CAN CSA Z240 MH Series in Canada This fireplace is only for use with the type s of gas indicated on the rating plate A conversion kit is supplied with the fireplace manual for future reference TABLE OF CONTENTS INTRODUCTION Before You Begin TABLE OF CONTENTS INTRODUCTION ne A ee ete 2 SELECTING 3 PRE INSTALLATION PREPARATION 3 6 BURNER FLAME ADJUSTMENT 11 OPERATING FIREPLACE 0001 12 CONVERTING FIREPLACE FROM NATURAL GAS PROPANE LP 5 2 13 INTRODUCTION WARNING This productcontains and or generates chemicals known to the State of California to cause cancer or birth de
34. to the appliance Note It is recommended that you maintain the gas control knob in the full OFF position during lengthy periods of seasonal non usage Knob Position Indicator Gas Control Knob Figure 32 Control Knob in Pilot Position INES Thermocouple Piezo Ignitor Pilot Burner Thermopile Figure 33 Pilot TO TURN OFF GAS occ gt 1 Turn off wall switch Turn off all electric power to the appliance if service is to be performed Remove control access panel Push in gas control knob slightly and turn clockwise N to Do not force 5 Replace control access panel For more information visit www desatech com 111916 01D CONVERTING FIREPLACE FROM NATURAL GAS TO PROPANE LP GAS The conversion kit is packaged with the unit Please check the contents before beginning this conversion WARNING Before proceeding make sure the gas control valve is in the OFF position and all electrical power to the appliance is turned off CONVERTING PILOT 1 Wait five 5 minutes to clear out any gas Smell for any gas odor especially near the floor If any gas odor is present STOP See For Your Safety Read Before Lighting on page 12 2 Locate the latch on the louver assembly Remove top and bottom louvers by pulling the spring latches toward the cen ter of the fireplace simult
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