Desa VK42N SERIES Owner's Operation And Installation Manual

Direct-vent fireplace

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For more information, visit www.desatech.com
For more information, visit www.desatech.com
PROPANE/LP GAS MODEL (V)K42P SERIES
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing 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.
• 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.
This appliance may be installed in an aftermarket*, permanently located, manufactured
(mobile) home, where not prohibited by state or local codes.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.
NATURAL GAS MODEL (V)K42N SERIES
Save this manual for future reference.
Save this manual for future reference.
DIRECT-VENT FIREPLACE
OWNER'S OPERATION AND
INSTALLATION MANUAL
WARNING: Improper installation, ad-
justment, alteration, service, or mainte-
nance can cause injury or property
damage. Refer to this manual for cor-
rect installation and operational proce-
dures. For assistance or additional in-
formation consult a qualified installer,
service agency, or the gas supplier.
Installation and service must be
performed by a qualified installer,
service agency, or the gas supplier.
This appliance is only for use with the
type of gas indicated on the rating
plate. This appliance is not convertible
for use with other gases, unless a
certified kit is used.

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Summary of Contents for Desa VK42N SERIES

  • Page 1 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 followed exactly, a fire or explosion may result caus- ing 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.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ... 2 PRODUCT IDENTIFICATION ... 3 LOCAL CODES ... 3 PRODUCT FEATURES ... 4 PRE-INSTALLATION PREPARATION ... 4 LOCATION OF TERMINATION CAP ... 6 VENTING INSTALLATION INSTRUCTIONS ... 7 FIREPLACE INSTALLATION ... 16 OPERATING FIREPLACE ...
  • Page 3: Product Identification

    SAFETY INFORMATION Continued 5. This fireplace reaches high temperatures. Keep children and 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.
  • Page 4: Product Features

    PRE-INSTALLATION PREPARATION 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.
  • Page 5: Framing And Finishing

    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 of Standoffs 0"/mm Vent (See venting instructions for specific venting clearances.) Combustible material with a maximum thickness of 5/8"...
  • Page 6: Location Of Termination Cap

    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 7: Venting Installation Instructions

    INSTRUCTIONS NOTICE: Read these instructions completely be- fore attempting installation. 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.
  • Page 8: Installation Planning

    VENTING INSTALLATION INSTRUCTIONS Installation Planning VENTING INSTALLATION INSTRUCTIONS Continued INSTALLATION PLANNING There are two basic types of direct-vent installation: • Horizontal Termination • Vertical Termination Horizontal Termination Installation IMPORTANT: Horizontal square terminations require only inner portion of wall firestop. Horizontal installations using round termi- nation require exterior portion of wall firestop.
  • Page 9 VENTING INSTALLATION INSTRUCTIONS Continued WARNING: Do not recess vent termination into any wall. This will cause a fire hazard. Noncombustible Exterior Wall: cap in the center of the 8 " round hole and attach to the exte- rior wall with four wood screws provided. Before attaching the vent cap to exterior wall, run a bead of non-hardening mastic (pliable sealant) around the outside edges to make a seal be- tween it and the outside wall.
  • Page 10 VENTING INSTALLATION INSTRUCTIONS Installation Planning (Cont.) VENTING INSTALLATION INSTRUCTIONS Continued Combustible Exterior Wall Only: interior wall surface and attach with screws provided. See Figure 13 for horizontal termination details. 10. Place fireplace into position and shim with noncombustible ma- terial if needed. Nail or screw side flanges to framing to secure unit in place.
  • Page 11 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 Square...
  • Page 12 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 (H ) Horizontal (H Horizontal (H...
  • Page 13: 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.
  • Page 14 VENTING INSTALLATION INSTRUCTIONS Installation for Vertical Termination (Cont.) VENTING INSTALLATION INSTRUCTIONS Continued Vertical Termination Configurations Figures 21 through 24 show four different configurations for verti- cal termination. Venting with Two 90 Elbows Vertical (V) Horizontal (H Horizontal (H 5' min. 2' max.
  • Page 15: High Altitude Installation

    VENTING INSTALLATION INSTRUCTIONS Parts Lists for Venting Kits and Components 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.
  • Page 16: Fireplace Installation

    FIREPLACE INSTALLATION Check Gas Type Installing Optional Blower Accessories FIREPLACE INSTALLATION 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 36).
  • Page 17 FIREPLACE INSTALLATION Continued 9. 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.
  • Page 18: Installing Gas Piping To Fireplace Location

    FIREPLACE INSTALLATION Installing Optional Blower Accessories (Cont.) Installing Gas Piping to Fireplace Location FIREPLACE INSTALLATION Continued Blower Wiring Diagram CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. Variable Fan Switch Black...
  • Page 19: Checking Gas Connections

    FIREPLACE INSTALLATION Continued We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 31. Locate sediment trap/drip leg where it is within reach for cleaning. Install in piping system between fuel supply and fireplace. Locate sediment trap/drip leg where trapped matter is not likely to freeze.
  • Page 20 FIREPLACE INSTALLATION Checking Gas Connections (Cont.) Installing Optional Wall Mount Switch - GWMS2 FIREPLACE INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Figure 33). 2. Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas fireplace or opening main gas valve located on or near gas meter for natural gas fire- place, or using compressed air.
  • Page 21 Installing Optional Wireless Hand-Held Remote Control - GHRCB and GHRCTB Series FIREPLACE INSTALLATION Continued INSTALLING OPTIONAL WIRELESS HAND- HELD REMOTE CONTROL - GHRCB AND GHRCTB SERIES NOTICE: Use only alkaline batteries (not included). Installing Remote Receiver 1. Open bottom louver and locate the switch bracket on the left. 2.
  • Page 22 FIREPLACE INSTALLATION Removing/Replacing Glass Door (Cont.) Installing Optional Brick Liner Models BL42DA(SA) and BL42DHA(SA) FIREPLACE INSTALLATION Continued 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.
  • Page 23 FIREPLACE INSTALLATION Continued INSTALLING LOGS, LAVA ROCK AND GLOWING EMBERS 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.
  • Page 24: Operating Fireplace

    OPERATING FIREPLACE For Your Safety Read Before Lighting Lighting Instructions To Turn Off Gas To Appliance Manual Lighting Procedure OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing prop- erty damage, personal injury or loss of life.
  • Page 25 OPERATING FIREPLACE Continued OPTIONAL HAND-HELD REMOTE OPERATION Note: All remote control accessories must be purchased sepa- rately (see Accessories, page 36). Follow instructions included with the remote control. NOTICE: You must light the pilot before using the hand-held remote control unit. See Lighting Instruc- tions, page 24.
  • Page 26: Inspecting Burners

    OPERATING FIREPLACE Optional Hand-Held Remote (Cont.) Operating Optional GWMT1 Wall Mounted Thermostat Operating Optional Blower Accessory INSPECTING BURNERS Pilot Assembly Burner Flame Pattern OPERATING FIREPLACE Continued 2. The receiver continuously receives signals from the hand- held remote to control the room temperature. If the hand- held remote is misplaced, obstructed, or for any reason cannot transmit to the receiver, the receiver will shut off the fireplace after 8 minutes.
  • Page 27: Cleaning And Maintenance

    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.
  • Page 28: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Note: For additional help, visit DESA’s technical service web site at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at pilot When ignitor button is pressed, there is...
  • Page 29 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Heater produces a whistling noise when burner is lit Glass soots Fireplace produces a clicking/ticking noise just after burners are lit or shut off Remote does not function For more information, visit www.desatech.com...
  • Page 30 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.
  • Page 31: Replacement Parts

    You may have further questions about installation, operation, or troubleshooting. If so, contact DESA’s Customer Service Depart- ment 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. (V)K42N Series (V)K42P Series...
  • Page 32: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN (V)K42N, (V)K42NH, (V)K42P, (V)K42PH ILLUSTRATED PARTS BREAKDOWN MODELS (V)K42N, (V)K42NH, (V)K42P, (V)K42PH 10-9 10-6 10-7 10-8 10-5 10-1 10-2 10-3 10-4 For more information, visit www.desatech.com For more information, visit www.desatech.com 111921-01A...
  • Page 33 PARTS LIST MODELS (V)K42N, (V)K42NH, (V)K42P, (V)K42PH 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. PART NUMBER 108328-01 108328-02 108331-01 108331-02 109082-01 111925-01 10-1 111933-01 10-2 111932-01 10-3 111928-01...
  • Page 34 ILLUSTRATED PARTS BREAKDOWN (V)K42N, (V)K42NH, (V)K42P, (V)K42PH ILLUSTRATED PARTS BREAKDOWN BURNER ASSEMBLY FOR MODELS (V)K42N, (V)K42NH, (V)K42P, (V)K42PH For more information, visit www.desatech.com For more information, visit www.desatech.com 111921-01A...
  • Page 35 PARTS LIST BURNER ASSEMBLY FOR MODELS (V)K42N, (V)K42NH, (V)K42P, (V)K42PH 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. PART NUMBER 111920-01 111311-02 111313-02 26808 11107 111310-02...
  • Page 36: Accessories

    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.
  • Page 37: Owner's Registration Form

    Address: City: Home Phone: E-Mail: Please answer the following questions to register your product with DESA: 1. Where will the product be used? Living/Family Room Office/Warehouse If you bought this product yourself, did you plan to purchase this type of product before going into the store? 3.
  • Page 38 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 For more information, visit www.desatech.com For more information, visit www.desatech.com TAPE 111921-01A...
  • Page 39 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 111921-01A...
  • Page 40: Warranty Information

    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. To make a claim under this warranty the Bill of Sale or cancelled check must be presented.

This manual is also suitable for:

K42n seriesVk42p seriesK42p series

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