Desa EFS26PR Owner's Operation And Installation Manual

Unvented (vent-free) gas compact classic hearth fireplace

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For more information, visit www.desatech.com
For more information, visit www.desatech.com
Shown with Optional
Cabinet Mantel/Hearth
Base Accessory
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.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
— 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 in-
structions.
• If you cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a
qualified installer, service agency, or the gas supplier.
This appliance may be installed in an aftermarket,* permanently located, manufactured
(mobile) home, where not prohibited by local codes.
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.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
UNVENTED (VENT-FREE) GAS
COMPACT CLASSIC HEARTH
TM
OWNER'S OPERATION AND INSTALLATION MANUAL
Save this manual for future reference.
Save this manual for future reference.
®
FIREPLACE
Thermostat Models:
VMH10TPB, VMH10TNB,
EFS10TP and EFS10TN
Remote-Ready Models:
VMH26PRA, VMH26NRA,
EFS26PR, EFS26NR,
FMH26PR and FMH26NR
WARNING: Improper installation,
adjustment, alteration, service, or
maintenance can cause injury or
property damage. Refer to this
manual for correct installation and
operational procedures. For as-
sistance or additional information
consult a qualified installer, ser-
vice agency, or the gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed. Provisions for adequate
combustion and ventilation air
must be provided. Refer to Air for
Combustion and Ventilation sec-
tion on page 6 of this manual.

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Summary of Contents for Desa EFS26PR

  • Page 1 ® FIREPLACE Thermostat Models: VMH10TPB, VMH10TNB, EFS10TP and EFS10TN Remote-Ready Models: VMH26PRA, VMH26NRA, EFS26PR, EFS26NR, FMH26PR and FMH26NR WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ... 2 PRODUCT IDENTIFICATION ... 3 OPTIONAL REMOTE CONTROL ACCESSORIES ... 4 LOCAL CODES ... 4 PRODUCT FEATURES ... 4 UNPACKING ... 4 ASSEMBLY ... 5 AIR FOR COMBUSTION AND VENTILATION ... 6 INSTALLATION ...
  • Page 3: Product Identification

    SAFETY INFORMATION Continued 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. Do not place propane/LP supply tank(s) inside any structure. Locate propane/LP supply tank(s) outdoors. If you smell gas •...
  • Page 4: Optional Remote Control Accessories

    OPTIONAL REMOTE CONTROL ACCESSORIES LOCAL CODES PRODUCT FEATURES UNPACKING OPTIONAL REMOTE CONTROL ACCESSORIES (For Remote-Ready Models Only) There are four optional remote controls that can be purchased separately for Remote-Ready Models only: • wall switch • hand-held ON/OFF remote • wall thermostat •...
  • Page 5: Assembly

    ASSEMBLY WARNING: Always have branch support and screen in place before operating fireplace. This pre- vents excessive temperatures on fireplace surfaces. WARNING: Failure to position the parts in accor- dance with these diagrams or failure to use only parts specifically approved with this fireplace may result in property damage or personal injury.
  • Page 6: Air For Combustion And Ventilation

    AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation Determining Fresh-Air Flow for Fireplace Location AIR FOR COMBUSTION AND VENTILATION WARNING: This fireplace shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate com- bustion and ventilation air.
  • Page 7 AIR FOR COMBUSTION AND VENTILATION Continued Add the Btu/Hr of all fuel burning appliances in the space. Vent-free fireplace _____________ Btu/Hr Gas water heater* _____________ Btu/Hr Gas furnace _____________ Btu/Hr Vented gas heater _____________ Btu/Hr Gas fireplace logs _____________ Btu/Hr Other gas appliances* + _____________ Btu/Hr Total = _____________ Btu/Hr...
  • Page 8: Installation

    AIR FOR COMBUSTION AND VENTILATION INSTALLATION Ventilation Air (Cont.) AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12"...
  • Page 9: Check Gas Type

    INSTALLATION Continued Use the dimensions shown for rough openings to create the easiest installation (see Built-In Fireplace Installation, page 10). CHECK GAS TYPE Use the correct gas type (natural or propane/LP) for your unit. If your gas supply is not correct, do not install fireplace. Call dealer where you bought fireplace for proper type fireplace.
  • Page 10 INSTALLATION Built-In Fireplace Installation INSTALLATION Continued BUILT-IN FIREPLACE INSTALLATION Built-in installation of this fireplace involves installing fireplace into a framed-in enclosure. This makes the front of fireplace flush with wall. An optional brass trim kit accessory is available (see Accessories, pages 38 and 39). Brass trim will extend past sides of fireplace approximately 1/2 inch.
  • Page 11: Optional Mantel Installation

    INSTALLATION Continued WARNING: Do not allow any combustible materi- als to overlap the firebox front facing. IMPORTANT: Noncombustible materials such as brick, tile, etc. may overlap the front facing, but should never cover any necessary openings like louvered slots. WARNING: Do not allow noncombustible materials to cover any necessary openings like louvered slots.
  • Page 12 INSTALLATION Optional Mantel Installation (Cont.) Installing Blower Accessory GA3450T in Remote-Ready Models INSTALLATION Continued 10. Attach wood base to floor with two 1 vided (see Figure 13). If the floor is concrete use anchor method (see Attaching Wood Base to Solid Floor, page 17). 11.
  • Page 13 INSTALLATION Continued Installing Blower Accessory CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. CAUTION: Verify proper operation after servicing. Note: If you are using a mantel with your fireplace, use the following instructions.
  • Page 14 INSTALLATION Installing Blower Accessory GA3450T in Remote-Ready Models (Cont.) Installing Blower Accessory GA3450T in Thermostat-Controlled Models INSTALLATION Continued For Built-In Installation WARNING: A licensed electrician must connect the wiring harness to electrical supply following all local codes. Electrician must provide a clamp on the box cover to secure the wiring.
  • Page 15 Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) INSTALLATION Continued Removing Valve Cover Shield Open bottom louver assembly by swinging the assembly down (see Figure 22). Using short Phillips screwdriver, remove the screw under the center of the branch support. Rotate valve cover shield clock- wise and slide out.
  • Page 16 INSTALLATION Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) INSTALLATION Continued Insert the 4 wire harness into one of the round holes in the rear of the valve cover shield and through the rectangular hole in the front of shield (see Figure 23, page 15). Reconnect red wire to switch position 3.
  • Page 17: Connecting To Gas Supply

    Installing Blower Accessory GA3450T in Thermostat-Controlled Models (Cont.) INSTALLATION Continued Extension Cord Use extension cord if needed. The cord must have a three-prong, grounding plug and a three-hole receptacle. Make sure cord is in good shape. It must be heavy enough to carry the current needed. An undersized cord will cause a drop in line voltage.
  • Page 18 INSTALLATION Connecting To Gas Supply (Cont.) Connecting Equipment shutoff Valve To Heater Control INSTALLATION Continued CAUTION: Use only new, black iron or steel pipe. Internally-tinned copper tubing may be used in cer- tain areas. Check your local codes. Use pipe of 1/2" or greater diameter to allow proper gas volume to fireplace.
  • Page 19: Checking Gas Connections

    INSTALLATION Continued Route flexible gas line, included, from fireplace control to equipment shutoff valve through side or rear access holes in outer casing. Apply pipe joint sealant lightly to male threads of gas connec- tor attached to flexible gas line/equipment shutoff valve (see Figure 32).
  • Page 20 INSTALLATION Checking Gas Connections (Cont.) Optional Wireless Hand-Held Remote Control Accessories [Remote-Ready Models Only] INSTALLATION Continued Check all joints from gas meter to equipment shutoff valve for natural gas or propane/LP supply to equipment shutoff valve for propane/LP (see Figures 34 or 35). Apply noncorrosive leak detection fluid to all joints.
  • Page 21 Optional Wireless Hand-Held Remote Control Accessories [Remote-Ready Models Only] (Cont.) INSTALLATION Continued Black Wire Wire Harness* Wires from Valve Black Wire Figure 38 - Installing Remote Receiver * Wire harness provided in the fireplace hardware pack. Installing 9-Volt Battery in Hand-Held Remote Control Unit Remove battery cover on back of remote control unit.
  • Page 22 INSTALLATION Optional Wall Mounted Thermostat - GWMT1 [Remote-Ready Models Only] (Cont.) Optional Wall Switch - GWMS2 [Remote-Ready Models Only] Installing Log Set and Screen INSTALLATION Continued 6. Connect one bare wire end to each terminal (“W” and “R”) of the thermostat base (see Figure 43). 7.
  • Page 23: Operating Fireplace

    OPERATING FIREPLACE THERMOSTAT-CONTROLLED MODELS 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. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.
  • Page 24: Thermostat Control

    OPERATING FIREPLACE (THERMOSTAT-CONTROLLED MODELS) To Turn Gas Off To Appliance Thermostat Control Operation Manual Lighting Procedure Operating Blower OPERATING FIREPLACE (REMOTE-READY MODELS) For Your Safety Read Before Lighting OPERATING FIREPLACE Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Fireplace Turn control knob clockwise Turn off all electric power to the appliance (if applicable) if service is to be performed.
  • Page 25: Manual Lighting

    OPERATING FIREPLACE Continued LIGHTING INSTRUCTIONS WARNING: You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is installed before running fireplace. NOTICE: During initial operation of new fireplace, burning logs will give off a paper-burning smell. Open window to vent smell.
  • Page 26 OPERATING FIREPLACE (REMOTE-READY MODELS) Optional Remote Operation GWMT1 Wall Mounted Thermostat (Optional) OPERATING FIREPLACE Continued OPTIONAL REMOTE OPERATION Note: All remote control accessories must be purchased sepa- rately (see Accessories, pages 38 and 39). Follow instructions included with the remote control. Thermostat Control Operation (Optional GHRCTA Series Only) The thermostat control set- ting on the remote control unit can be set to any comfort level...
  • Page 27: Inspecting Burners

    OPERATING FIREPLACE Continued GWMS2 WALL MOUNTED SWITCH (OPTIONAL) Make sure the heater switch is on AUTO. This wall switch works just like the conventional light switch. Flip the switch up for on and down for off. Note: Make sure that this switch is not in a position to be mistaken for a light switch.
  • Page 28: Cleaning And Maintenance

    CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole Log Set Cabinet CLEANING AND MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep control areas, burner, and circulating air passageways of fireplace clean. Inspect these areas of fireplace before each use.
  • Page 29: Troubleshooting

    TROUBLESHOOTING Note: For additional help, visit DESA International’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 ODS/pilot When ignitor button is pressed, there is...
  • Page 30 TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Slight smoke or odor during initial operation Fireplace produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Moisture/condensation noticed on windows For more information, visit www.desatech.com...
  • Page 31 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 32: Specifications

    If so, contact DESA International’s Technical 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 International’s technical services web site at www.desatech.com. Remote-Ready Models: VMH26NRA, EFS26NR,...
  • Page 33: Replacement Parts

    Usually, we will ask you to return the part to the factory. PARTS NOT UNDER WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International at 1-866-672-6040 for referral information. When calling DESA International, have ready •...
  • Page 34: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN Thermostat-Controlled Models: VMH10TPB, VMH10TNB, EFS10TP and EFS10TN ILLUSTRATED PARTS BREAKDOWN THERMOSTAT-CONTROLLED MODELS: VMH10TPB, VMH10TNB, EFS10TP and EFS10TN For more information, visit www.desatech.com For more information, visit www.desatech.com 12-1 107032-01F...
  • Page 35: Parts List

    PARTS LIST THERMOSTAT-CONTROLLED MODELS This list contains replaceable parts used in your fireplace. When order- ing parts, follow the instructions listed under Replacement Parts on page 33 of this manual. For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01F VMH10TPB, VMH10TNB, EFS10TP and EFS10TN PART NUMBERS...
  • Page 36 ILLUSTRATED PARTS BREAKDOWN Remote-Ready Models: VMH26PRA, VMH26NRA, EFS26PR, EFS26NR, FMH26PR and FMH26NR ILLUSTRATED PARTS BREAKDOWN REMOTE-READY MODELS: VMH26PRA, VMH26NRA (Shown), EFS26PR, EFS26NR, FMH26PR and FMH26NR For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01F...
  • Page 37 When ordering parts, follow the instructions listed under Re- placement Parts on page 33 of this manual. For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01F VMH26PRA, VMH26NRA, EFS26PR, EFS26NR, FMH26PR and FMH26NR PART NUMBERS VMH26PRA VMH26NRA EFS26PR EFS26NR FMH26PR...
  • Page 38: Accessories

    Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA International at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual.
  • Page 39 ACCESSORIES Continued CLEANING KIT - GCK (Not Shown) For all models. Your vent-free gas appliance requires regular cleaning and maintenance to prevent performance problems. This kit gives you the tools and instructions to make it easy to clean all critical areas of your appliance. WALL-MOUNT THERMOSTAT SWITCH GWMT1 (Not Shown)
  • Page 40 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01F...
  • Page 41: Owner's Registration Form

    Address: City: Home Phone: E-Mail: Please answer the following questions to register your product with DESA International: 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?
  • Page 42 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 107032-01F TAPE...
  • Page 43 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 107032-01F...
  • Page 44: Warranty Information

    VENT-FREE COMPACT CLASSIC HEARTH DESA International warrants this product to be free from defects in materials and components for four (4) years and five (5) years on stainless steel burners from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.

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