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DIRECT-VENT FIREPLACE
OWNER’S OPERATION AND
INSTALLATION MANUAL
For more information, visit www.desatech.com
For more information, visit www.desatech.com
NATURAL GAS MODEL (V)K42N SERIES
PROPANE/LP GAS MODEL (V)K42P SERIES
WARNING: If the information in this manual is not
WARNING: Improper installation, ad-
followed exactly, a fire or explosion may result caus-
justment, alteration, service, or mainte-
ing property damage, personal injury, or loss of life.
nance can cause injury or property
dama
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TABLE OF CONTENTS SAFETY INFORMATION 2 TABLE OF CONTENTS CLEANING AND MAINTENANCE ............................................ 27 SAFETY INFORMATION ............................................................ 2 TROUBLESHOOTING .............................................................. 28 PRODUCT IDENTIFICATION ..................................................... 3 LOCAL CODES ........................................................................... 3 REPLACEMENT PARTS ...................
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SAFETY INFORMATION 3 PRODUCT IDENTIFICATION 3 LOCAL CODES SAFETY INFORMATION PRODUCT IDENTIFICATION Continued Upper Louver Flue Collar 5. This fireplace reaches high temperatures. Keep children and Panel adults away from hot surfaces to avoid burns or clothing igni- tion. Fireplace will remain hot for a time after shutdown. Al- low surfaces to cool before touching. 6. Carefully supervise young children when they are in the room with fireplace. Nailing 7. Do not modify this fireplace under any ci
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PRODUCT FEATURES PRE-INSTALLATION PREPARATION 4 Location and Space Requirements PRODUCT FEATURES These are a few facts that can help you understand and enjoy your • Your fireplace is designed to be used in zero clearance installa- tions. Wall or framing material can be placed directly against direct-vent fireplace: any exterior surface on the back, sides, or top of your fireplace, • The venting system may be routed to the outside of your home except where standoff spacers are integrally attached
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PRE-INSTALLATION PREPARATION 5 Clearances 5 Framing and Finishing PRE-INSTALLATION PREPARATION Continued CLEARANCES Minimum clearances to combustibles for the fireplace are as follows: 1 1 5 D 13 /2" Back, and sides 0"/mm 58 /2" 21 B /8" C Perpendicular walls 6" (152mm) 5 41 /8" A Floor 0"/mm Ceiling to louver opening 42" (1067mm) Front 36" (914mm) Top of Standoffs 0"/mm 3 E 16 /4" Vent (See venting instructions for F48" specific venting clearances.) 1 48 G /4" Nailing Tabs Combustible material
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V G G V A D E V B L LOCATION OF TERMINATION CAP 6 LOCATION OF TERMINATION CAP N N H C I B Fixed V V Fixed Closed Openable Closed Openable F B V J G V X B B M A V K X TERMINATION CAP AIR SUPPLY INLET G GAS METER RESTRICTED AREA V X (TERMINATION PROHIBITED) A = clearance above grade, veranda, porch, deck, or balcony I = clearance to service regulator vent outlet [*72 inches (182.9cm) [*12 inches (30.5mc) minimum] minimum] B = clearance to window or door that may be opened J = clearance to non-mech
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VENTING INSTALLATION INSTRUCTIONS 7 Installation Precautions 7 VENTING INSTALLATION INSTRUCTIONS NOTICE: Read these instructions completely be- NOTICE: Failure to follow these instructions will void fore attempting installation. the warranty. These models are tested and approved for use with DESA (direct- INSTALLATION PRECAUTIONS vent) pipe components and terminations. • Wear gloves and safety glasses for protection The venting system must terminate on the outside of the structure and • Use extr
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VENTING INSTALLATION INSTRUCTIONS Installation Planning 8 VENTING INSTALLATION INSTRUCTIONS Continued INSTALLATION PLANNING There are two basic types of direct-vent installation: Female • Horizontal Termination Locking Lugs • Vertical Termination Horizontal Termination Installation Male IMPORTANT: Horizontal square terminations require only inner Slots portion of wall firestop. Horizontal installations using round termi- nation require exterior portion of wall firestop. Figure 8 - Vent Pipe Con
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VENTING INSTALLATION INSTRUCTIONS 9 Installation Planning (Cont.) 9 VENTING INSTALLATION INSTRUCTIONS Continued WARNING: Do not recess vent termination into any wall. This will cause a fire hazard. Cut Siding Away 6. Noncombustible Exterior Wall: Position the horizontal vent to Fit Standoff 1 cap in the center of the 8 /2" round hole and attach to the exte- Standoff rior wall with four wood screws provided. Before attaching the vent cap to exterior wall, run a bead of non-hardening mastic Wood
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VENTING INSTALLATION INSTRUCTIONS Installation Planning (Cont.) 10 VENTING INSTALLATION INSTRUCTIONS Continued 9. Combustible Exterior Wall Only: Slide wall firestop against WARNING: Never run vent downward as this may interior wall surface and attach with screws provided. See cause excessive temperatures which could cause a Figure 13 for horizontal termination details. fire. Operation of improperly installed and main- 10. Place fireplace into position and shim with noncombustible ma- tained ve
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VENTING INSTALLATION INSTRUCTIONS 11 Installation Planning (Cont.) 11 VENTING INSTALLATION INSTRUCTIONS Continued Vertical (V) Required Horizontal (H) CORNER INSTALLATION Vertical Pipe Recommended Applications: 1 46 /4" min. None 30" max. 1 • Corner ground floor installation 57 /4" min. 1 ft. 48" max. 1 69 /4" min. 2 ft. 60" max. • Ground floor installation where pipe vents horizontally through wall 1 81 /4" min. 3 ft. 84" max. (over 12" horizontal pipe) 1 93 /4" min. 4 ft. 20' max. • Basement i
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VENTING INSTALLATION INSTRUCTIONS Installation Planning (Cont.) 12 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 (H ) Horizontal (H ) + 1 1 Horizontal (H ) 45°Elbow 2 5' min. 2' max. 6' max. 6' min. 4' max. 12' max. 7' min. 6' max. 18' max. 8' min. 8' max. 20' max. 20' max. 8' m
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VENTING INSTALLATION INSTRUCTIONS 13 Installation for Vertical Termination 13 VENTING INSTALLATION INSTRUCTIONS Continued 2. Assemble the desired lengths of pipe and elbows necessary to INSTALLATION FOR VERTICAL TERMINATION reach from the fireplace flue up through the firestop. Be sure Note: Vertical restrictor must be installed in all vertical installations. all pipe and elbow connections are fully twist-locked (see Fig- 1. Determine the route your vertical venting will take. If ceiling ure 8,
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VENTING INSTALLATION INSTRUCTIONS Installation for Vertical Termination (Cont.) 14 VENTING INSTALLATION INSTRUCTIONS Continued Vertical Termination Configurations Venting with One 90° Elbow Vertical (V) Horizontal (H) Figures 21 through 24 show four different configurations for verti- cal termination. 5' min. 2' max. 6' min. 4' max. 7' min. 6' max. Venting with Two 90° Elbows 8' min. 8' max. 20' max. 8' max. Vertical (V) Horizontal (H ) + 1 Horizontal (H ) 2 Note: Install restrictor 45° Elb
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VENTING INSTALLATION INSTRUCTIONS 15 Installation for Vertical Termination (Cont.) 15 High Altitude Installation Parts Lists for Venting Kits and Components HIGH ALTITUDE INSTALLATION VENTING INSTALLATION Your DESA direct-vent fireplace has been tested and approved for INSTRUCTIONS elevations from 0-2000 feet (USA) and elevations from 0-4500 feet Continued (Canada). When installing this fireplace at an elevation above 2000 feet (in the USA), you may need to decrease the input rating by changing
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FIREPLACE INSTALLATION Check Gas Type 16 Installing Optional Blower Accessories FIREPLACE INSTALLATION . 3. Place the blower against the lower rear wall of the firebox outer CHECK GAS TYPE wrapper with the exhaust port directed upward. The blower Use proper gas type for the fireplace unit you are installing. If your gas will fit inside the back opening and be held in position against supply is not correct, do not install fireplace. See retailer where you the back wall by the magnets (see Figure
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FIREPLACE INSTALLATION 17 Installing Optional Blower Accessories (Cont.) 17 FIREPLACE INSTALLATION Continued 9. Check to make sure that the power cord is completely clear of the 4. Be certain that all wire terminals are securely attached to ter- blower wheel and that there are no other foreign objects in blower minals on blower motor and thermal switch, and that the screw wheel. Turn blower on and check for operation. Turn blower off for the thermodisc bracket and green ground wire is tight. by
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FIREPLACE INSTALLATION Installing Optional Blower Accessories (Cont.) 18 Installing Gas Piping to Fireplace Location FIREPLACE INSTALLATION Continued For propane/LP connection only, the installer must supply an Blower Wiring Diagram external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and CAUTION: Label all wires prior to disconnection 14 inches of water. If you do not reduce incoming gas pressure, when servicing contr
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FIREPLACE INSTALLATION 19 Installing Gas Piping to Fireplace Location (Cont.) 19 Connecting Fireplace to Gas Supply Checking Gas Connections FIREPLACE INSTALLATION Continued To Gas Supply We recommend that you install a sediment trap/drip leg in supply (Natural) line as shown in Figure 31. Locate sediment trap/drip leg where it To External Regulator is within reach for cleaning. Install in piping system between fuel (Propane/LP) supply and fireplace. Locate sediment trap/drip leg where trapped
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FIREPLACE INSTALLATION Checking Gas Connections (Cont.) 20 Installing Optional Wall Mount Switch - GWMS2 FIREPLACE INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) Pressure Testing Fireplace Gas Connections 1. Close equipment shutoff valve (see Figure 33). 1. Open equipment shutoff valve (see Figure 33). 2. Pressurize supply piping system by either opening propane/LP 2. Open propane/LP supply tank valve for propane/LP fireplace or main supply tank valve for propane
