DIRECT-VENT FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL NATURAL GAS MODELS (V)TC36N SERIES PROPANE/LP GAS MODEL (V)TC36P SERIES WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing 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.
TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ..............................................................2 CLEANING AND MAINTENANCE..............................................27 PRODUCT IDENTIFICATION ......................................................3 TROUBLESHOOTING ...............................................................28 LOCAL CODES ............................................................................3 REPLACEMENT PARTS .......................
SAFETY INFORMATION PRODUCT IDENTIFICATION LOCAL CODES SAFETY INFORMATION PRODUCT IDENTIFICATION Continued 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. This fireplace reaches high temperatures. Keep children and adults away from hot surfaces to avoid burns or clothing ignition. Fireplace will remain hot for a time after shutdown. Allow surfaces to cool before touching. Carefully supervise young children when they are in the room with fireplace.
PRODUCT FEATURES PRE-INSTALLATION PREPARATION Location and Space Requirements PRODUCT FEATURES These are a few facts that can help you understand and enjoy your direct-vent fireplace: • The venting system may be routed to the outside of your home in several ways. It may vent through the roof (vertical) or it may vent to an outside/exterior wall (horizontal). The vent pipe installation is very important to allow for proper operation.
PRE-INSTALLATION PREPARATION Clearances Framing and Finishing PRE-INSTALLATION PREPARATION For available accessories for this fireplace, see Accessories on page 36. If you are using a separate combustible mantel piece, refer to Figure 6 for proper installation height. You can install noncombustible mantels at any height above the fireplace.
LOCATION OF TERMINATION CAP LOCATION OF TERMINATION CAP N N D H V L E B C Fixed Closed F B Openable Fixed Closed V Openable V I V G B V B B J X V G G M A V K X V A V TERMINATION CAP G GAS METER 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.
VENTING INSTALLATION INSTRUCTIONS Installation Precautions VENTING INSTALLATION INSTRUCTIONS NOTICE: Read these instructions completely before attempting installation. These models are tested and approved for use with DESA (directvent) 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. A direct-vent appliance must have its own venting system.
VENTING INSTALLATION INSTRUCTIONS Installation Planning VENTING INSTALLATION INSTRUCTIONS Continued Male Slots Female Locking Lugs INSTALLATION PLANNING There are two basic types of direct-vent installation: • Horizontal Termination • Vertical Termination Figure 8 - Vent Pipe Connections Horizontal Termination Installation IMPORTANT: Horizontal square terminations require only inner portion of wall firestop.
VENTING INSTALLATION INSTRUCTIONS 9 9 Installation Planning (Cont.) VENTING INSTALLATION INSTRUCTIONS Cut Siding Away to Fit Standoff Continued Standoff WARNING: Do not recess vent termination into any wall. This will cause a fire hazard. 6. 7. 8. Noncombustible Exterior Wall: Position the horizontal vent cap in the center of the 8 1/2" round hole and attach to the exterior wall with four wood screws provided.
VENTING INSTALLATION INSTRUCTIONS Installation Planning (Cont.) VENTING INSTALLATION INSTRUCTIONS Continued 9. Combustible Exterior Wall Only: Slide wall firestop against interior wall surface and attach with screws provided. See Figure 13 for horizontal termination details. 10. Place fireplace into position and shim with noncombustible material if needed. Nail or screw side flanges to framing to secure unit in place. IMPORTANT: Make sure fireplace is level before securing.
VENTING INSTALLATION INSTRUCTIONS 11 11 Installation Planning (Cont.) VENTING INSTALLATION INSTRUCTIONS Continued CORNER INSTALLATION Recommended Applications: • Corner ground floor installation • Ground floor installation where pipe vents horizontally through wall (over 12" horizontal pipe) • Basement installation where one foot clearance from ground to termination is possible Not to Exceed (H) Limits Required Vertical Pipe Horizontal (H) None 30" max. 1 ft. 48" max. 2 ft. 60" max. 3 ft. 84" max. 4 ft.
VENTING INSTALLATION INSTRUCTIONS Installation Planning (Cont.) VENTING INSTALLATION INSTRUCTIONS Continued 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) Horizontal (H1) + Horizontal (H2) 5' min. 6' min. 7' min. 8' min. 20' max. 2' max. 4' max. 6' max. 8' max. 8' max. 45°Elbow 6' max. 12' max. 18' max. 20' max. 20' max.
VENTING INSTALLATION INSTRUCTIONS Installation for Vertical Termination 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 cutting load bearing members.
VENTING INSTALLATION INSTRUCTIONS Installation for Vertical Termination (Cont.) VENTING INSTALLATION INSTRUCTIONS Venting with One 90° Elbow Continued Vertical Termination Configurations Figures 21 through 24 show four different configurations for vertical termination. Vertical (V) Horizontal (H) 5' min. 6' min. 7' min. 8' min. 20' max. 2' max. 4' max. 6' max. 8' max. 8' max. Note: Install restrictor into inner collar of fireplace as shown.
VENTING INSTALLATION INSTRUCTIONS Installation for Vertical Termination (Cont.) High Altitude Installation VENTING INSTALLATION INSTRUCTIONS Continued HIGH ALTITUDE INSTALLATION Your DESA direct-vent fireplace has been tested and approved for elevations from 0-2000 feet (USA) and elevations from 0-4500 feet (Canada) . When installing this fireplace at an elevation above 2000 feet (in the USA), you may need to decrease the input rating by changing the existing burner orifice to a smaller size.
VENTING INSTALLATION INSTRUCTIONS Parts List for Venting Kits and Components FIREPLACE INSTALLATION Check Gas Type Installing Optional Blower Accessories VENTING INSTALLATION INSTRUCTIONS FIREPLACE INSTALLATION Continued 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 36).
FIREPLACE INSTALLATION Installing Optional Blower Accessories (Cont.) FIREPLACE INSTALLATION Continued 5. 6. 7. 8. Mount speed control box to switch bracket by placing the plastic control shaft forward through the round opening in the switch bracket (see Figure 26). 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 provided on shaft.
FIREPLACE INSTALLATION Installing Optional Blower Accessories (Cont.) Installing Gas Piping to Fireplace Location FIREPLACE INSTALLATION Continued Mount the speed control box against the mounting plate provided in the lower fireplace cavity by placing the plastic control shaft forward through the round hole (see Figure 26, page 17). 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 mounting plate.
FIREPLACE INSTALLATION Installing Gas Piping to Fireplace Location (Cont.) Connecting Fireplace to Gas Supply Checking Gas Connections 19 19 FIREPLACE INSTALLATION CONNECTING FIREPLACE TO GAS SUPPLY Continued Installation Items Needed CAUTION: Use only new, black iron or steel pipe. Internally-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 Checking Gas Connections (Cont.) Installing Optional Wall Mount Switch - GWMS2 FIREPLACE INSTALLATION Continued 5. Reconnect fireplace and equipment shutoff valve to gas supply. Check reconnected fittings for leaks. Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. 2. 3. Close equipment shutoff valve (see Figure 33).
FIREPLACE INSTALLATION Installing Optional Wireless Hand-Held Remote Control - GHRCB and GHRCTB Series Removing/Replacing Glass Door FIREPLACE INSTALLATION Continued INSTALLING OPTIONAL WIRELESS HANDHELD REMOTE CONTROL - GHRCB AND GHRCTB SERIES NOTICE: Use only alkaline batteries (not included). Installing Remote Receiver 1. 2. 3. 4. 5. 6. Open bottom louver and locate the switch bracket on the right. Unscrew the switch bracket.
FIREPLACE INSTALLATION 22 Removing/Replacing Glass Door (Cont.) Installing Lava Rock and Glowing Embers FIREPLACE INSTALLATION Continued INSTALLING LAVA ROCK AND GLOWING EMBERS Removing Glass Doors If replacement of glass is necessary, the entire assembly, glass and frame, must be replaced. If glass is broken, wear gloves and tape the remaining fragments onto the frame. 1.
FIREPLACE INSTALLATION Installing Brick Liner Models BL36DA(SA) and BL36DHA(SA) OPERATING FIREPLACE 23 23 For Your Safety Read Before Lighting Lighting Instructions FIREPLACE INSTALLATION Continued INSTALLING BRICK LINER MODELS BL36DA(SA) AND BL36DHA(SA) WARNING: If fireplace has been running, turn off unit. Let cool before installing brick liner. You may purchase brick liner from your local retailer or see Accessories, page 36. 11. Using screws removed in step 3, replace log/grate assembly.
OPERATING FIREPLACE Lighting Instructions (Cont.) To Turn Off Gas To Appliance Manual Lighting Procedure Optional Hand-Held Remote Operation OPERATING FIREPLACE MANUAL LIGHTING PROCEDURE Continued to “PILOT” Turn gas control knob counterclockwise (see Figure 45). 8. Push in gas control knob all the way and hold. Immediately light the pilot by repeatedly depressing the piezo spark ignitor until a flame appears. Continue to hold for about one (1) minute after the pilot is lit.
OPERATING FIREPLACE Optional Hand-Held Remote Operation (Cont.) OPERATING FIREPLACE 25 25 Safety Features Continued ON/OFF SERIES MODEL GHRCB Hold the control button on the hand-held remote until burner turns on. Hold the control button again until burner turns off (see Figure 47). TO LOCK press both buttons on hand-held remote control until light stops flashing. Hand-held remote control is now locked. If the fire is on it will be turned off automatically.
OPERATING FIREPLACE Operating Optional GWMT1 Wall Mounted Thermostat Operating Optional Blower Accessory INSPECTING BURNERS Pilot Assembly Burner Flame Pattern OPERATING FIREPLACE INSPECTING BURNERS Continued Check pilot flame pattern and burner flame patterns often. OPERATING OPTIONAL GWMT1 WALL MOUNTED THERMOSTAT WARNING: Do not connect the thermostat to a power source. Electrical shock and/or a fire hazard will occur. Light the fireplace as instructed in Lighting Instructions on page 23.
CLEANING AND MAINTENANCE Glass Door Pilot and Burners Logs Venting System CLEANING AND MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep control areas, burners and circulating air passageways of fireplace clean. Inspect these areas of fireplace before each use. Have fireplace inspected yearly by a qualified service person. Fireplace may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc.
TROUBLESHOOTING 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. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, there is no spark at pilot 1. Ignitor electrode not connected to ignitor cable 2. Ignitor cable pinched or wet 1.
TROUBLESHOOTING 29 29 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after pilot is lit 1. Burner orifice clogged 1. Clean burner (see Cleaning and Maintenance, page 27) or replace burner orifice 2. Contact local propane/LP or natural gas company 3. Reconnect leads to TP & TPTH terminals on control valve 4. Replace thermopile 2. Inlet gas pressure is too low 3. Thermopile leads disconnected or improperly connected 4.
TROUBLESHOOTING 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. • If you cannot reach your gas supplier, call the fire department. • • • • OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Fireplace produces unwanted odors 1. Gas leak. See Warning statement above 1.
REPLACEMENT PARTS SPECIFICATIONS SERVICE HINTS TECHNICAL SERVICE REPLACEMENT PARTS SERVICE HINTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. When Gas Pressure Is Too Low PARTS UNDER WARRANTY Contact authorized retailers of this product. If they can not supply original replacement part(s), call DESAʼs Customer Service Department at 1-866-672-6040.
ILLUSTRATED PARTS BREAKDOWN Models TC36N, VTC36N, TC36P and VTC36P ILLUSTRATED PARTS BREAKDOWN MODELS TC36N, VTC36N, TC36P AND VTC36P 6 10 7 8 22 1 4 9 11 3 20 18 14 12 19 13 16 15 21 17 2 5 www.desatech.
PARTS LIST Models TC36N, VTC36N, TC36P and VTC36P 33 33 PARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual. KEY NO.
ILLUSTRATED PARTS BREAKDOWN Models TC36N, VTC36N, TC36P, VTC36P ILLUSTRATED PARTS BREAKDOWN BURNER ASSEMBLY FOR MODELS TC36N, VTC36N, TC36P AND VTC36P 12 1 2 7 10 20 15 3 19 18 17 12 13 4 5 9 22 17 18 21 TPTH TP TH 14 11 12 6 14 8 16 www.desatech.
PARTS LIST Models TC36N, VTC36N, TC36P, VTC36P 35 35 PARTS LIST BURNER ASSEMBLY FOR MODELS TC36N, VTC36N, TC36P AND VTC36P This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual. KEY NO.
ACCESSORIES ACCESSORIES NOTICE: All accessories may not be available for all fireplace models. Purchase these fireplace accessories from your local retailer. If they can not supply these accessories, call DESAʼs 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 MANUAL BLOWER KIT - BK Manual variable control blower accessory provides better heat distribution.
37 OWNER'S REGISTRATION FORM In order to provide better customer service for this and future purchases, we recommend that you register your product with us. You can register online at www.desatech.com. If access to our website is not available to you, please complete this Owner's Registration Form and mail to the address on the back of this owner's manual. Please provide the following product information: Brand: (Comfort Glow, Vanguard, etc.) Model: (EFP33PR, VTGH33NR, etc.
TAPE 38 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.
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WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied.