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DIRECT-VENT FIREPLACE
OWNER'S OPERATION AND INSTALLATION MANUAL
PROPANE/LP GAS MODEL CDV34PA
WARNING: If the information in this manual is
not followed exactly, a fire or explosion may
result causing property damage, personal in-
jury, 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 appliance may be installed in an aftermarket* manufactured (mobile) home,
where not prohibited by state or local codes.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.
NATURAL GAS MODEL CDV34NA
Save this manual for future reference.
WARNING: Improper installation,
adjustment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this
manual for correct installation and
operational procedures. For assis-
tance or additional information con-
sult a qualified installer, service
agency, or the gas supplier.
— Installation and service must
be performed by a qualified in-
staller, service agency, or the gas
supplier.
— 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.
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Table of Contents
Related Manuals for Comfort Glow CDV34NA
Summary of Contents for Comfort Glow CDV34NA
- Page 1 DIRECT-VENT FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL NATURAL GAS MODEL CDV34NA PROPANE/LP GAS MODEL CDV34PA WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal in- jury, or loss of life.
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Page 2: Safety Information
WARNING: Any change to this fireplace or its controls can be dangerous. CDV34NA, PA 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases unless a certified kit is used. -
Page 3: Product Identification
PRODUCT IDENTIFICATION Top Louver Panel Nailing Flange Glass Door Assembly Front Burner Piezo Ignitor Valve Lower Louver Panel Glowing Embers Blower Adjustment (Optional Installation) Figure 1 - Comfort Glow Direct-Vent Fireplace CDV Series 105982 Vent Opening Standoff Rear Burner Log Set Pilot Assembly Lava Rock... -
Page 4: Pre-Installation Preparation
Figure 2 - Common Fireplace Locations Fireplace size D x FW x RW 34" " 34 " 14" Figure 3 - Fireplace Bottom Dimensions CDV34NA, PA CLEARANCES Minimum clearances to combustibles for the fireplace are as follows: Back, and sides 0"/mm Perpendicular walls 6" (152mm) Floor 0"/mm... -
Page 5: General Venting
PRE-INSTALLATION PREPARATION Continued 13" 29" " 58" Figure 6 - Framing Clearances for Corner Installation Note: There must be a minimum clear- ance of 18" above top of louver opening when installing a television or entertainment center above the fireplace. Top of Louver Opening Ref. - Page 6 Termination Clearances for Buildings with Combustible and Noncombustible Exteriors Inside Corner A = 6" (152mm) Balcony with No Side Wall G = Combustible 24" (610mm) Noncombustible 18" (457mm) Figure 8 - Minimum Clearances for Vent Terminations CDV34NA, PA Continued Fixed Openable Fixed Closed Closed Openable...
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Page 7: Venting Installation
• Unauthorized modification of the vent- ing system 105982 • Installation of any component part not manufactured or approved by DESA International • Installation other than as instructed by these instructions WARNING: This gas fireplace and vent assembly must be vented directly to the outside. -
Page 8: Installation
9. All connections must be clamped tightly and sealed with high temperature silicone sealant as specified in the sec- ond warning statement on page 7. CDV34NA, PA Figure 9 - Snorkel Termination Figure 10 - Snorkel Termination with Drainage Pipe Snorkel 12"... - Page 9 VENTING INSTALLATION Continued 3. Attach vent pipe assembly to the fire- place. Set fireplace in front of it’s perma- nent location to insure minimum clear- ances. Mark the wall for a 10" square hole (for noncombustible material such as masonry block or concrete, a 7 "...
- Page 10 Horizontal Venting Vertical (V) Horizontal (H) 37" min. 10" max. Figure 16 - Horizontal Termination Configuration for Rigid Venting CDV34NA, PA Horizontal Venting Vertical (V) Horizontal (H) 44" min. 29" max. (30 and 90 only, no vertical pipe) 55" min.
- Page 11 VENTING INSTALLATION Continued Venting with Two 90 Elbows Vertical (V) Horizontal (H 5' min. 2' max. 6' min. 4' max. 7' min. 6' max. 8' min. 8' min. 20' max. 8' max. Figure 19 - Horizontal Termination Configuration for Rigid Venting Using Two 90 Elbows Venting with Two 90 Elbows Vertical (V) Horizontal (H...
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Page 12: Installation For Vertical Termination
45 Elbow Ceiling Firestop Figure 21 - Offset with Wall Strap and 45 Elbows CDV34NA, PA Flat Ceiling Installation 1. Cut a 10" square hole in the ceiling us- ing the locating hole as a center point. The opening should be framed to 10"x10"... - Page 13 VENTING INSTALLATION Continued 3. Lower the support box through the hole in the roof until the bottom of the box extends at least 2" below the ceiling (see Figure 23). Align the support box vertically and horizontally using a level. Temporarily tack the support box in place through the inside walls and into the roof sheathing.
- Page 14 5' min. 6' min. 7' min. 8' min. Note: Vertical (V Vertical (V Figure 27 - Vertical Rigid Venting Configuration Using Two 90 Elbows CDV34NA, PA Note: Restrictor must be installed in all vertical installations. Horizontal (H) 6' max. 12' max.
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Page 15: High Altitude Installation
Consult your local gas company to help de- termine the proper orifice for your location. For assistance with any high altitude instal- lation contact DESA International’s Tech- nical Services Department at 1-800-DESA- LOG (1-800-337-2564). PARTS LISTS FOR VENTING... -
Page 16: Fireplace Installation
IMPORTANT: Make sure fireplace is level before securing. If fireplace is not level it will not work properly. CDV34NA, PA CHECK GAS TYPE Use proper gas type for the fireplace unit you are installing. If you have conflicting gas types, do not install fireplace. - Page 17 FIREPLACE INSTALLATION Continued 8. Plug in blower power cord. a. If your fireplace system is installed as a freestanding unit with an ac- cessory mantel, determine whether the power cord will exit the left side or the right side of the firebox. In- stall one plastic bushing provided into the 1 "...
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Page 18: Installing Gas Piping To Fireplace Location
Install external regulator with the vent pointing down as shown in Figure 34. Pointing the vent down protects it from freezing rain or sleet. CDV34NA, PA CAUTION: Use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. -
Page 19: Connecting Fireplace To Gas Supply
FIREPLACE INSTALLATION Continued CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed • 5/16" hex socket wrench or nut-driver • sealant (resistant to propane/LP gas, not provided) 1. Open lower louver door panel by gen- tly pulling forward. 2. Route flexible gas supply line through one of the access holes on side of fire- place. - Page 20 Correct all leaks at once. 5. Light fireplace (see Operating Fire- place, pages 24 and 25). Check all other internal joints for leaks. 6. Turn off fireplace (see To Turn Off Gas to Appliance, page 24). CDV34NA, PA Open POSITION Manual Shutoff Valve...
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Page 21: Remote Control
FIREPLACE INSTALLATION Continued INSTALLING OPTIONAL WIRELESS HAND-HELD REMOTE CONTROL NOTICE: Use only alkaline bat- teries (not included). Installing 9-Volt Alkaline Battery into Receiver 1. Open bottom louver and locate the switch bracket on the left. 2. Unscrew the switch bracket. Lean bracket forward so you are able to ac- cess the back of the remote receiver. - Page 22 7. Install rear brick panel. Rest bottom edge of panel on back edge of grate (see Figure 46). CDV34NA, PA Loosely secure retainer brackets to grate. Brackets are adjustable left to right to allow proper placement of panel. These will hold rear panel in place.
- Page 23 FIREPLACE INSTALLATION Continued INSTALLING LOGS, LAVA ROCK AND GLOWING EMBERS WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. Each log is marked with a number.
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Page 24: Operating Fireplace
CDV34NA, PA LIGHTING INSTRUCTIONS 1. STOP! Read the safety information in column one. -
Page 25: Inspecting Burners
Figure 55 shows a typical flame pattern for CDV34(N/P)(A). If burner flame pattern differs from that described: • turn fireplace off (see To Turn Off Gas to Appliance, page 24) • see Troubleshooting, pages 27 through 29 Figure 55 - Typical Flame Pattern for CDV34NA, PA 1/8"... -
Page 26: Cleaning And Maintenance
Refer to Removing/Replacing Glass Door on page 21 of this manual when removing glass door for cleaning. CDV34NA, PA WARNING: Only parts sup- plied by the manufacturer should be used when replacing broken or damaged glass door panel (see Replacement Parts , page 30). -
Page 27: Troubleshooting
TROUBLESHOOTING Note: For additional help, visit DESA International’s technical service web site at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at pilot When ignitor button is pressed, there is... - Page 28 Glass soots Fireplace produces a clicking/ticking noise just after burners are lit or shut off Remote does not function CDV34NA, PA POSSIBLE CAUSE 1. Burner orifice clogged 2. Inlet gas pressure is too low 3. Thermopile leads disconnected or im- properly connected 4.
- Page 29 TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
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Page 30: Replacement Parts
If they can not supply original replacement part(s), call DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). When calling DESA International, have ready • your name • your address • model and serial numbers of your fireplace • how fireplace was malfunctioning •... - Page 31 ACCESSORIES Purchase these fireplace accessories from your local retailer. If they can not supply these accessories, call DESA International’s Sales Department at 1-800-432-2382. for information. You can also write to the ad- dress listed on the back page of this manual.
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Page 32: Illustrated Parts Breakdown
DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) ILLUSTRATED PARTS BREAKDOWN CDV34NA CDV34PA 31-2 31-3 31-4 CDV34NA, PA 31-1 11 (Included in Hardware Pack) 105982... -
Page 33: Parts List
PARTS LIST DIRECT-VENT FIREPLACE CDV34NA CDV34PA PART NUMBER DESCRIPTION 104445-01 Top Outer Casing-34" 105278-01 Outer Casing-34" 105297-01 Bottom Outer Casing 104479-10BR Firebox Assembly M11084-26 Screw, Hex M11084-46 Screw, Hex 105394-01 Louver, Extruded 104443-01 Firebox Support, Right 104486-01 Firebox Support, Left... -
Page 34: Warranty Information
We make no other warranty, expressed or implied. DESA International 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.