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• 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 NATURAL GAS MODELS (V)TC36N SERIES (V)TC36P SERIES...
WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency or the gas supplier. This appliance may be installed in an aftermarket,* per- manently located, manufactured (mobile) home, where not prohibited by local codes.
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 serious injury or death from burns, fire, explosion, electrical...
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.
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.
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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.
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 42. If you are using a sepa- rate combustible mantel piece, refer to Figure 6 for proper installation height.
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...
These models are tested and approved for use with 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 chimney or flue system serving a separate solid fuel or gas burning appliance.
VENTING INSTALLATION INSTRUCTIONS Continued INSTALLATION PLANNING There are two basic types of direct-vent in- stallation: • Horizontal Termination • 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).
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VENTING INSTALLATION INSTRUCTIONS Continued WARNING: Do not recess vent termination into any wall. This will cause a fire hazard. Noncombustible Exterior Wall: horizontal vent cap in the center of the 8 round hole and attach to the exterior wall with four wood screws provided.
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VENTING INSTALLATION INSTRUCTIONS Continued Minimum Pipe Overlap 1 " Direct-Vent Pipe Wall Firestop Maintain 1" Minimum Air Space Around Outer Pipe When Penetrating a Wall " x 10 " Framed Opening Exterior Wall with Vinyl Siding Figure 13 - Typical Horizontal Termination Cap Mounting with Additional Siding Standoff Installed Horizontal Termination Configurations...
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VENTING INSTALLATION INSTRUCTIONS CORNER INSTALLATION Recommended Applications: • Corner ground floor installation • Ground floor installation where pipe vents horizon- tally through wall (over 12" horizontal pipe) • Basement installation where one foot clearance from ground to termination is possible Not to Exceed (H) Limits Square Termination...
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VENTING INSTALLATION INSTRUCTIONS HORIZONTAL SYSTEM INSTALLATION USING TWO 90° ELBOWS The following configurations show the minimum vertical rise requirements for a horizontal system using two 90° elbows. Venting with Two 90° Elbows Vertical (V) Horizontal (H1) 5' min. 2' max. 6' min.
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VENTING INSTALLATION INSTRUCTIONS Continued 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.
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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.
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12' max. 18' max. HIGH ALTITUDE INSTALLATION 20' max. Your DESA direct-vent fireplace has been tested and ) = 40' max. approved for elevations from 0-2000 feet (USA) and elevations from 0-4500 feet (Canada). Fireplaces for High Altitude (models ending in -HA) are for installation above 4000 feet only.
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VENTING INSTALLATION INSTRUCTIONS Continued PARTS LIST FOR VENTING KITS AND COMPONENTS DESA (5"/8") Pipe & Vent Kits Number Description P58-6 6" Section Double Wall Pipe, Galvanized P58-12 12" Section Double Wall Pipe, Galvanized P58-24 24" Section Double Wall Pipe, Galvanized P58-36 36"...
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 42).
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FIREPLACE INSTALLATION Continued 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.
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FIREPLACE INSTALLATION Continued 7. 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.
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FIREPLACE INSTALLATION Continued 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.
FIREPLACE INSTALLATION Continued To Gas Supply (Natural) Equipment Shutoff Valve To External Regulator (Propane/LP) Flexible Gas Line Do NOT Kink Control Valve Figure 32 - Connecting Flexible Gas Line to Millivolt Valve CHECKING GAS CONNECTIONS WARNING: Test all gas piping and connections, internal and external to unit, for leaks after installing or servicing.
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FIREPLACE INSTALLATION Continued PRESSURE TESTING FIREPLACE GAS CONNECTIONS 1. Open equipment shutoff valve (see Figure 33, page 23). 2. Open propane/LP supply tank valve for propane/LP fireplace or main gas valve located on or near gas meter for natural gas fireplace.
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FIREPLACE INSTALLATION Continued Installing 9-Volt Alkaline Battery in Hand- Held Remote Control Unit 1. Remove battery cover on back of remote control unit. 2. Attach terminal wires to a 9-volt alkaline battery (not included). Place battery into the battery housing. 3.
FIREPLACE INSTALLATION Continued 4. Remount the new frame at the hinge with five new screws before closing door. This will ensure seating of the gasket. 5. Close glass door frame. Lock latches by placing the bar under the tab on door and pushing down and back on latch (see Figure 41, page 25).
FIREPLACE INSTALLATION Continued 6. Install rear brick panel first. Rest bottom edge of panel on back edge of burner assembly (see Figure 43). 7. Install left side brick panel by sliding it be- tween the burner assembly and the side of the firebox (see Figure 43).
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OPERATING FIREPLACE Continued 7. Turn gas control knob counterclockwise to “PILOT”. (see Figure 44) 8. Push in gas control knob all the way and hold. Immediately light the pilot by repeat- edly depressing the piezo spark ignitor until a flame appears. Continue to hold for about one (1) minute after the pilot is lit.
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OPERATING FIREPLACE Continued ON/OFF SERIES MODEL HRC100 Hold the control button on the hand-held remote until burner turns on. Hold the con- trol button again until burner turns off (see Figure 46). TO LOCK press both buttons on hand-held remote control until light stops flashing. Hand- held remote control is now locked.
OPERATING FIREPLACE Continued Key Pad Lock Feature This feature allows the user to lock/unlock the keypad on the hand-held remote in the MANU or AUTO mode to prevent inadvertent operation (i.e. children operating the hand-held remote control, etc.). The keypad is locked in either on or off. Press the POWER and LOCK buttons together to turn the unit on or off.
INSPECTING bURNERS Continued 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".
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CLEANING AND MAINTENANCE Continued CAUTION: Do not vacuum if pieces are hot. Use only the tempered glass door replacement intended for this fireplace (see Replacement Parts, page 37 for detail on ordering). No substitutions may be made. See Removing/Replacing Glass Door, page 25 for instructions for replacing glass door.
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. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at pilot...
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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 TROUbLEShOOTING Continued POSSIBLE CAUSE 1.
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OBSERVED PROBLEM Heater produces a whistling noise when burner is lit Glass soots Fireplace produces a clicking/tick- ing noise just after burners are lit or shut off Remote does not function 116192-01E TROUbLEShOOTING Continued POSSIBLE CAUSE 1. Turning gas control knob to HI position when burner is cold 2.
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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.
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 116192-01E SPECIFICATIONS TC36N and VTC36N •...
MODELS TC36N, VTC36N, TC36P AND VTC36P SERIES This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 37 of this manual. PART NUMBER DESCRIPTION Firebox Assembly Face Weldment 108010-01...
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ILLUSTRATED PARTS bREAkDOWN BURNER ASSEMBLY FOR MODELS TC36N, VTC36N, TC36P AND VTC36P SERIES www.desatech.com 116192-01E...
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BURNER ASSEMBLY FOR MODELS TC36N, VTC36N, TC36P AND VTC36P SERIES This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 37 of this manual. PART NUMBER 26808 11107 11102...
Purchase these fireplace accessories from your local retailer. If they can not supply these accessories, call DESA’s Sales Department at 1-866-672-6040. for information. You can also write to the address listed on the back page of this manual. BRICK LINER...
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ACCESSORIES Continued RECEIVER AND HAND-HELD ON/OFF REMOTE CONTROL KIT - HRC100 SERIES Allows the fireplace to be turned on and off conveniently. A wall-mounted docking station is included. WALL MOUNTED THERMOSTAT CONTROL KIT - GWMT1 (Not Shown) Allows easy wall access for thermostatic operation of your fireplace.
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.