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OWNER'S OPERATION AND INSTALLATION MANUAL
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
• 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.
— Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
For more information, visit www.desatech.com
DIRECT-VENT FIREPLACE
NATURAL OR PROPANE/LP GAS
MODEL CD36TN-M
Save this manual for future reference.
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Related Manuals for Vexar CD36TN-M
Summary of Contents for Vexar CD36TN-M
- Page 1 • 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. Save this manual for future reference. For more information, visit www.desatech.com MODEL CD36TN-M...
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Page 2: Table Of Contents
A conversion kit is supplied with the fireplace. This fireplace is manufactured for Stylecrest Inc. under the Vexar brand name by DESA. Safety Information ... 3 Product Identification ... 4 Local Codes... 5 Product Features ... -
Page 3: Safety Information
SAFETy INFORMATION WARNING: This product con- tains and/or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate or service this fireplace. Improper use of this fireplace can cause seri- ous injury or death from burns, fire, explosion, electrical shock and... -
Page 4: Product Identification
SAFETy INFORMATION Continued 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. 1. -
Page 5: Local Codes
LOCATION AND SPACE REqUIREMENTS Determine the safest and most efficient location for your DESA/Vexar 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. - Page 6 PRE-INSTALLATION PREPARATION Continued • 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. •...
- Page 7 PRE-INSTALLATION PREPARATION - "x4" Vertical Double Stud 3" " Figure 4 - Framing Clearances for Installation Against an Exterior Wall 4" NAILING FLANGE " WALL SWITCH WIREWAY ELECTRICAL 8" INLET GAS SUPPLY INLET 118531-01A Continued These dimensions allow for 1" of clearance at the sides and back of fireplace.
- Page 8 PRE-INSTALLATION PREPARATION Continued MANTEL CLEARANCES Figure 7 shows projected mantel depths at various heights above the top of the louver opening. Figure 8 shows the minimum allowable distances from various mantel components in relation to the both sides of the fireplace opening. Figure 7 - Clearances for Combustible Mantels To Fireplace Opening...
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Page 9: Location Of Termination Cap
LOCATION OF TERMINATION CAP TERMINATION CAP A = clearance above grade, veranda, porch, deck, or balcony [*12 inches (30.5mc) 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 10: Venting Installation Instructions
These models are tested and approved for use with DESA/Vexar (direct-vent) pipe components and terminations. The venting system must terminate on the outside of the structure and can not be attached to a chimney or flue system serving a separate solid fuel or gas burning appliance. -
Page 11: Installation Planning
VENTING INSTALLATION INSTRUCTIONS Continued INSTALLATION PLANNING There are two starter vent kits available for either a horizontal or a vertical installation: • CHVK-58 Corner Horizontal Vent Kit - Intend- ed for corner or flush installations with less than 24" of horizontal distance to the termination. •... - Page 12 VENTING INSTALLATION INSTRUCTIONS Continued WARNING: Do not recess vent termination into any wall. This will cause a fire hazard. Combustible Exterior Wall: 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.
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Page 13: Venting Installation
VENTING INSTALLATION INSTRUCTIONS Continued 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: Remember that a horizontal run of venting must have a 1/4"... - Page 14 VENTING INSTALLATION INSTRUCTIONS HORIZONTAL VENT INSTALLATIONS USING MULTIPLE 90° ELBOWS The following configurations show the minimum vertical rise requirements for a horizontal system using two 90° elbows. Venting with Two 90° Elbows Horizontal (H)+ Vertical (V) Horizontal (H ' Min. 10' Max 8' Min.
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Page 15: Installation For Vertical Termination
VENTING INSTALLATION INSTRUCTIONS INSTALLATION FOR vERTICAL TERMINATION Note: Vertical restrictor must be installed in all vertical installations. 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. -
Page 16: Thimble Installation
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. - Page 17 (Vertical Round High Wind Termination) 11' Max 13' Max PARTS LIST FOR VENTING KITS 1' Max AND COMPONENTS 0' Max Note: Install a DESA (5"/8") Pipe & Vent Kits VR-58 vertical Number Description restrictor ring P58- into inner pipe section prior to P58-1 attaching vent termination cap.
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Page 18: Fireplace Installation
VENTING INSTALLATION INSTRUCTIONS Continued Number Description CVVK-58 Ceiling Vertical Vent Kit (Includes: 30° Offset Return, "-1" Adjustable Pipe, Flue Restrictor, Vertical High Wind Termination, 3' Pipe, 4' Pipe, Firestop Plate, Firestop Thimble, Storm Collar, Roof Flashing [0/1 - /1], 38 Screws) CHVK-58 Corner Horizontal Vent Kit, (Includes 90°... - Page 19 FIREPLACE INSTALLATION Continued 4. Swing the junction box out and slip retaining flange out through the slot in outer cabinet. 5. Remove two screws and outer cover on the left side of the outer cabinet. 6. Reinsert junction box retaining flange through slot now on the left side and swing screw mounting tab back through notch as before.
- Page 20 FIREPLACE INSTALLATION Continued 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 warningon page 19.
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Page 21: Wiring Diagrams
FIREPLACE INSTALLATION Continued 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 Figure 30, page 20, in order to sense temperature and properly operate. - Page 22 FIREPLACE INSTALLATION Continued INSTALLING OPTIONAL WALL MOUNT SWITCH - GWMS2 1. Connect one terminal of 25 ft. wire for the wall switch to the TPTH terminal on the valve. Con- nect remaining wire terminal to the TH terminal on the valve. Make sure that the wire terminals are in the positions on the unit as pictured in Figure 33.
- Page 23 FIREPLACE INSTALLATION Continued CHECK GAS TyPE Use proper gas type for the fireplace unit you are installing. If your gas supply is not correct, 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 39).
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Page 24: Connecting Fireplace To Gas Supply
FIREPLACE INSTALLATION Continued WARNING: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas. We recommend that you install a sediment trap/ drip leg in supply line as shown in Figure 38. Lo- cate sediment trap/drip leg where it is within reach for cleaning. - Page 25 FIREPLACE INSTALLATION Continued 4. Check all joints of gas supply piping system. Apply noncorrosive leak detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once. 5. Reconnect fireplace and equipment shutoff valve to gas supply. Check reconnected fittings for leaks.
- Page 26 FIREPLACE INSTALLATION Continued WARNING: If fireplace has been running, turn off and un- plug fireplace. Let cool before re- moving glass door or louvers. Removing Lower Louver Access Panel 1. Grasp the lower louver panel and pull up until the hanger brackets release from the door pins (see Figure 43).
- Page 27 FIREPLACE INSTALLATION Continued placing the positioning tabs on the glass frame into the slots in the retaining bracket then swinging the door into the sealed position and locking the two latches in place. 7. Replace the top louver panel and then the lower louver panel.
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Page 28: Operating Fireplace
OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. - Page 29 OPERATING FIREPLACE Continued MANUAL LIGHTING PROCEDURE 1. Remove glass door (see Removing/Replacing Glass Door, page 25). 2. Follow steps 1 through 8 under Lighting In- structions, page 28. 3. Depress gas control knob and light pilot with match. 4. Keep gas control knob pressed in for 30 seconds after lighting pilot.
- Page 30 OPERATING FIREPLACE Continued 4. Press the POWER and LOCK buttons together to turn off the fireplace Note: Do not leave the hand-held remote in the AUTO mode close to the fireplace. The radiant heat from the fireplace will turn off the fireplace. Ideally, place the hand-held remote in the center of the room facing towards the fireplace.
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Page 31: Inspecting Burners
OPERATING FIREPLACE Continued 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. - Page 32 CONVERSION INSTRUCTIONS Continued 7. Loosen set screw on main burner air shutter, rotate to fully open, and retighten set screw (see Figure 56). 8. Reposition burner with air shutter placed over orifice mount and replace two screws on rear log stand and two screws at pilot assembly. Top Logs Rear Stand...
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Page 33: Cleaning And Maintenance
CONVERSION INSTRUCTIONS Continued GAS CONTROL CONvERSION Convert the gas control by swapping out the valve regulator portion of the gas valve. 1. Using a Torx T20 or slotted screwdriver, re- move and discard the three mounting screws, pressure regulator tower, and diaphragm/ spring components (see Figure 58). -
Page 34: Venting System
CLEANING AND MAINTENANCE Continued 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. -
Page 35: Troubleshooting
WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. 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. The two most common causes of a malfunctioning gas appliance are: 1. - Page 36 OBSERVED PROBLEM Pilot lights but flame goes out when control knob is released Burner does not light after pilot is lit Delayed ignition burner Burner backfiring during com- bustion Slight smoke or odor during initial operation Heater produces a whistling noise when burner is lit TROUbLEShOOTING Continued...
- Page 37 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. Fol- low the gas supplier’s instructions.
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Page 38: Specifications
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 • the replacement part number www.desatech.com... -
Page 39: Service Hints
If so, contact DESA’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. ACCESSORIES NOTE: All accessories may not be available for all fireplace models. -
Page 40: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS bREAkDOWN FIREPLACE ASSEMBLy FOR MODEL CD36TN-M www.desatech.com 118531-01A... -
Page 41: Parts List
FIREPLACE ASSEMBLy FOR MODEL CD36TN-M This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. PART NO. 11108-01 Log Set 11109-01 Burner Base Log 11110-01... - Page 42 ILLUSTRATED PARTS bREAkDOWN BURNER ASSEMBLy FOR MODEL CD36TN-M www.desatech.com 118531-01A...
- Page 43 BURNER ASSEMBLy FOR MODEL CD36TN-M This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. NO. PART NO. 1131-01 Remote Ignitor Bracket 11488-01 Door Retainer Bracket...
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Page 44: Warranty Information
We make no other warranty, expressed or implied. 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.