DIRECT-VENT FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL For more information, visit www.desatech.com NATURAL GAS MODELS (V)K36EN SERIES PROPANE/LP GAS MODELS (V)K36EP 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.
TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ............................................................ 2 CLEANING AND MAINTENANCE ............................................ 26 PRODUCT IDENTIFICATION ..................................................... 3 TROUBLESHOOTING .............................................................. 27 LOCAL CODES ........................................................................... 3 REPLACEMENT PARTS ........................
SAFETY INFORMATION PRODUCT IDENTIFICATION LOCAL CODES SAFETY INFORMATION 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. Do not modify this fireplace under any circumstances.
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 5 5 PRE-INSTALLATION PREPARATION Continued CLEARANCES Minimum clearances to combustibles for the fireplace are as follows: Back, and sides 0"/mm Perpendicular walls 6" (152mm) Floor 0"/mm Ceiling to louver opening 42" (1067mm) Front 36" (914mm) Top 0"/mm Vent (See venting instructions for specific venting clearances.) Combustible material with a maximum thickness of 5/8" may be flush with the top front of 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 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.
VENTING INSTALLATION INSTRUCTIONS Installation Precautions 7 7 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 INSTALLATION PLANNING Female Locking Lugs There are two basic types of direct-vent installation: • Horizontal Termination • Vertical Termination Male Slots Horizontal Termination Installation IMPORTANT: Horizontal square terminations require only inner portion of wall firestop. Horizontal installations using round termination require exterior portion of wall firestop (see Figure 14, page 10). 1.
VENTING INSTALLATION INSTRUCTIONS 9 9 Installation Planning (Cont.) VENTING INSTALLATION INSTRUCTIONS Continued WARNING: Do not recess vent termination into any wall. This will cause a fire hazard. 6. 7. 8. 9. Cut Siding Away to Fit Standoff 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 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. If fireplace is not level it will not work properly. WARNING: Never run vent downward as this may cause excessive temperatures which could cause a fire.
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 Horizontal (H) 30" max. 48" max. 60" max. 84" max. 20' max.
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. 6' max. 12' max. 18' max. 20' max. 20' max.
VENTING INSTALLATION INSTRUCTIONS Installation for Vertical Termination 13 13 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 Continued Venting with One 90° Elbow Vertical Termination Configurations Figures 21 through 24 show four different configurations for vertical termination. Venting with Two 90° Elbows Vertical (V) 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 Vertical (V) Horizontal (H) 5' min. 6' min. 7' min. 8' min.
VENTING INSTALLATION INSTRUCTIONS Installation for Vertical Termination (Cont.) High Altitude Installation 15 15 VENTING INSTALLATION INSTRUCTIONS Continued HIGH ALTITUDE INSTALLATION Vertical Venting V = 40' max. Your DESA direct-vent fireplace has been tested and approved for elevations from 0-2000 feet (USA) and elevations from 0-4500 feet (Canada) .
VENTING INSTALLATION INSTRUCTIONS Parts Lists for Venting Kits and Components FIREPLACE INSTALLATION Check Gas Type Installing Optional Blower Accessory VENTING INSTALLATION INSTRUCTIONS Continued PARTS LISTS FOR VENTING KITS AND COMPONENTS DESA (5/8") Pipe & Vent Kits Number Description P58-6 P58-12 P58-24 P58-36 P58-48 PA58-712 6" Section Double Wall Pipe, Galvanized 12" Section Double Wall Pipe, Galvanized 24" Section Double Wall Pipe, Galvanized 36" Section Double Wall Pipe, Galvanized 48" Sectio
FIREPLACE INSTALLATION Installing Optional Blower Accessory (Cont.) 17 17 FIREPLACE INSTALLATION Continued 4. 5. 1 01 1/ .V 51 C.A . B al kc hW i et erG ne Blower Plug-In k Speed Control Switch Bracket ffO Check to make sure that the power cord is completely clear of the blower wheel and that there are no other foreign objects in blower wheel. Turn blower on and check for operation. Turn blower off by turning knob fully counterclockwise before continuing. 10.
FIREPLACE INSTALLATION Installing Optional Blower Accessory (Cont.) Installing Gas Piping to Fireplace Location 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 28, page 17, in order to sense temperature and properly operate.
FIREPLACE INSTALLATION Installing Gas Piping to Fireplace Location (Cont.) Connecting Fireplace To Gas Supply Checking Gas Connections 19 19 FIREPLACE INSTALLATION Continued 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" inside 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.) Removing/Replacing Glass Door FIREPLACE INSTALLATION Continued 4. 5. 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. 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 Removing/Replacing Glass Door (Cont.) Installing Optional Brick Liner Models BL36DA(SA) and BL36DHA(SA) 21 21 FIREPLACE INSTALLATION Continued Removing Glass Door 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. Remove screen assembly by pushing the rod either left or right and then down and forward to remove screen/rod assembly from the firebox.
FIREPLACE INSTALLATION Installing Logs, Lava Rock, and Glowing Embers Wall Switch Installation FIREPLACE INSTALLATION Continued INSTALLING LOGS, LAVA ROCK AND GLOWING EMBERS 2 3 4 1 Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with fireplace. Open louvers, remove screen, unlock door latches, and open glass door.
FIREPLACE INSTALLATION Optional Remote Control Installation WIRING DIAGRAM 23 23 FIREPLACE INSTALLATION Continued Fireplace Receptacle OPTIONAL REMOTE CONTROL INSTALLATION (Model WRC) Note: If using optional wireless hand-held remote control, the wall switch must be in the ON position to be operational. The remote control then becomes the switching mechanism for fireplace operation. 1. Open lower louver panel. 2. The WRC model receiver does not require a battery.
OPERATING FIREPLACE For Your Safety Read Before Lighting Lighting Instructions To Turn Off Gas To Appliance Optional Remote Operation OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand. B.
OPERATING FIREPLACE Operating Optional Blower Accessory 25 25 INSPECTING BURNERS Pilot Assembly Burner Flame Pattern OPERATING FIREPLACE INSPECTING BURNERS Continued Check pilot flame pattern and burner flame patterns often. OPERATING OPTIONAL BLOWER ACCESSORY Locate the blower controls by opening the lower louver panel on the fireplace. Blower controls are located on the left side of the switch bracket to the left just inside the louver panel.
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 27 27 TROUBLESHOOTING Note: For additional help, visit DESA’s technical service web site at www.desatech.com. Note: Before troubleshooting the system, make sure the gas shutoff valve is ON. 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. The two most common causes of a malfunctioning gas appliance are: 1.
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 a clicking/ticking noise just after burner is lit or shut off 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 DESA’s Customer Service Department at 1-866-672-6040.
ILLUSTRATED PARTS BREAKDOWN Models (V)K36EN, (V)K36ENH, (V)K36EP, (V)K36EPH ILLUSTRATED PARTS BREAKDOWN MODELS (V)K36EN, (V)K36ENH, (V)K36EP, (V)K36EPH 10-7 10-9 10-8 10-5 6 7 10-6 8 10-4 1 10-3 4 9 10-2 11 3 10-1 20 18 14 16 15 19 12 17 21 13 2 5 For more information, visit www.desatech.
PARTS LIST Models (V)K36EN, (V)K36ENH, (V)K36EP, (V)K36EPH PARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. KEY NO.
ILLUSTRATED PARTS BREAKDOWN 32 Models ((V)K36EN, (V)K36ENH, (V)K36EP, (V)K36EPH ILLUSTRATED PARTS BREAKDOWN BURNER ASSEMBLY FOR MODELS (V)K36EN, (V)K36ENH, (V)K36EP, (V)K36EPH 1 12 12 7 6 2 8 9 3 10 12 18 4 19 5 20 17 5 21 12 16 22 23 24 30 25 11 14 15 13 28 27 29 26 For more information, visit www.desatech.
PARTS LIST Models (V)K36EN, (V)K36ENH, (V)K36EP, (V)K36EPH PARTS LIST BURNER ASSEMBLY FOR MODELS (V)K36EN, (V)K36ENH, (V)K36EP, (V)K36EPH This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 29 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 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.
35 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 36 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 For more information, visit 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.