Vexar CD32M (-1)(-2) Owner's Operation And Installation Manual

Direct-vent fireplace

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For more information, visit www.desatech.com
For more information, visit www.desatech.com
CD32M (-1)(-2), CD36M (-A1)(-A2), CD42M (-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.
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.
DIRECT-VENT FIREPLACE
OWNER'S OPERATION AND
INSTALLATION MANUAL
Save this manual for future reference.
Save this manual for future reference.
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-
formation 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.

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Summary of Contents for Vexar CD32M (-1)(-2)

  • Page 1 • If you cannot reach your gas supplier, call the fire department. 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...
  • Page 2: Table Of Contents

    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...
  • Page 3: Selecting Location

    SELECTING LOCATION To determine the safest and most efficient location for your fire- place, consider the following guidelines: The location must allow for proper clearances (see Figure 1). Consider a location where the firepace would not be affected by drafts, air conditioning ducts, windows or doors. A location that avoids the cutting of joists or roof rafters makes ventilation installation easier.
  • Page 4: Vent Termination Clearances

    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 system serves as the “chimney”...
  • Page 5 PRE-INSTALLATION PREPARATION Continued 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...
  • Page 6: Installation

    • 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 WARNING: This gas fireplace and vent assembly must be vented directly to the outside.
  • Page 7 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.
  • Page 8: Pilot Adjustment

    INSTALLATION Gas Line Hook-Up Pilot Adjustment INSTALLATION Continued GAS LINE HOOK-UP WARNING: Gas line hook-up should be done by your gas supplier or a qualified service person. 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.
  • Page 9: Removing Glass Panel

    INSTALLATION Continued REMOVING GLASS PANEL CAUTION: Before you proceed, make sure your gas control valve is in the OFF position. To 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.
  • Page 10 INSTALLATION Installing Log Set (Cont.) INSTALLATION Continued Model CD42M-A Series Place log #1 (small base log) onto pin on left side of grate extension (see Figure 23). 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).
  • Page 11: Burner Flame Adjustment

    INSTALLATION Continued Lava Rock and Ember Material 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.
  • Page 12: Operating Fireplace

    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).
  • Page 13: Converting Fireplace From Natural Gas To Propane/Lp Gas

    OPERATING FIREPLACE Continued 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.
  • Page 14 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.
  • Page 15: Troubleshooting

    TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. OBSERVED PROBLEM Pilot will not stay lit Pilot lit but no flame on burner Frequent pilot outage For more information, visit www.desatech.com For more information, visit www.desatech.com 111916-01C POSSIBLE CAUSE...
  • Page 16: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN Models CD32M and CD36M-A Series ILLUSTRATED PARTS BREAKDOWN MODELS CD32M AND CD36M-A SERIES For more information, visit www.desatech.com For more information, visit www.desatech.com 21-3 21-5 21-4 21-6 21-2 21-1 111916-01C...
  • Page 17 PARTS LIST MODELS CD32M AND CD36M-A SERIES PART NUMBER CD32M CD36M-A DESCRIPTION Firebox Assembly Face Weldment 108892-01 108010-01 Door Assembly 108903-01 108011-01 Top Panel Assy Louver 108903-02 108011-02 Bottom Panel Assy Louver Fireplace Top Fireplace Top Insulation Fireplace Surround 108885-01 108074-01 Burner Assembly 108890-01 108076-01 Burner Base Gasket 108897-01 110991-01 Rear Refractory 108901-01 110990-01 Right Refractory...
  • Page 18 ILLUSTRATED PARTS BREAKDOWN Model CD42M-A ILLUSTRATED PARTS BREAKDOWN MODEL CD42M-A 21-5 21-4 21-7 21-6 21-3 21-1 For more information, visit www.desatech.com For more information, visit www.desatech.com 111916-01C...
  • Page 19 PARTS LIST MODEL CD42M-A PART NUMBER DESCRIPTION Firebox Assembly Face Weldment 108328-01 Door Assembly 108331-01 Top Panel Assembly Louver 108331-03 Bottom Panel Assembly Louver Fireplace Top Fireplace Top Insulation Fireplace Surround 108329-05 Burner Assembly 108374-01 Burner Base Gasket 111300-01 Rear Refractory 111301-01 Right Refractory 111302-01...
  • Page 20: Specifications

    SPECIFICATIONS WIRING DIAGRAM SPECIFICATIONS Gas Rate (Natural) 16,000/23,000 Btu/hr Gas Rate (Propane/LP) 15,000/21,000 Btu/hr Ignition Natural Gas Manifold Pressure Propane/LP Manifold Pressure Minimum Inlet Supply Pressure WIRING DIAGRAM Pilot Piezo Ignitor Thermocouple Incoming Main Control Valve TPTH Supply Electrical Rating: 120v, 60Hz, 0.7A For more information, visit www.desatech.com For more information, visit www.desatech.com...
  • Page 21: Owner's Registration Form

    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 109479-01 (CD32M SERIES) 108719-01 (CD36M SERIES) 108455-01 (CD42M) SCREEN 108440-01 (CD32M SERIES) 12105 (CD36M-A SERIES) 107840-01 (CD42M-A) OPTIONAL REMOTE CONTROL KIT P/N 00825 (ELECTRONIC ONLY) (BATTERY REQUIRED FOR TRANSMITTER)
  • Page 22 For more information, visit www.desatech.com For more information, visit www.desatech.com 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 111916 01 NOT A UPC 111916-01 Rev. C 03/04 111916-01C...

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