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®
FLAME-MAX
Multi-Sided
Log Design
VYM27NR/PR
FVFM27NR/PR
Remote Control
Ready Model
Also Design-Certified As A Vented Decorative Appliance
WARNING: If the information in this manual
is not followed exactly, a fire or explosion
may result causing property damage, per-
sonal 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 instructions.
• If you cannot reach your gas supplier,
call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
WARNING: This is an unvented gas-fired heater. It uses air (oxygen) 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 section on page 4 of this manual.
This appliance may be installed in an aftermarket,* 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
Save this manual for future reference.
Save this manual for future reference.
UNVENTED (VENT-FREE)
GAS LOG HEATER
OWNER'S OPERATION AND
TM
INSTALLATION MANUAL
WARNING: Improper installation, ad-
justment, alteration, service, or main-
tenance 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.
WARNING: This appliance is for installa-
tion only in a solid-fuel burning masonry
or UL127 factory-built fireplace, or in an
approved ventless firebox. It is design
certified for these installations in accor-
dance with ANSI Z21.11.2. Exception: Do
not install this appliance in a factory-
built fireplace that includes instructions
stating it has not been tested or should
not be used with unvented gas logs.
Patent Pending
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Related Manuals for Desa VYM27NRPR
Summary of Contents for Desa VYM27NRPR
- Page 1 For more information, visit www.desatech.com For more information, visit www.desatech.com ® FLAME-MAX Multi-Sided Log Design VYM27NR/PR FVFM27NR/PR Remote Control Ready Model Also Design-Certified As A Vented Decorative Appliance WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, per- sonal injury, or loss of life.
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ... 2 PRODUCT IDENTIFICATION ... 3 LOCAL CODES ... 4 UNPACKING ... 4 PRODUCT FEATURES ... 4 REMOTE CONTROL ACCESSORIES ... 4 AIR FOR COMBUSTION AND VENTILATION ... 4 INSTALLATION ... 7 OPERATING HEATER ... -
Page 3: Safety Information
SAFETY INFORMATION Continued Keep the appliance area clear and free from combus- tible materials, gasoline, and other flammable vapors and liquids. 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. -
Page 4: Local Codes
LOCAL CODES UNPACKING PRODUCT FEATURES REMOTE CONTROL ACCESSORIES AIR FOR COMBUSTION AND VENTILATION LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code, ANSI Z223.1/NFPA 54*. *Available from: American National Standards Institute, Inc. -
Page 5: Air For Combustion And Ventilation
Example: 2560 cu. ft. (volume of space) x 20 = 51,200 (maximum ) or less with Btu/Hr the space can support) Add the Btu/Hr of all fuel burning appliances in the space. Vent-free heater Gas water heater* Gas furnace Vented gas heater Gas fireplace logs Other gas appliances* + _____________ Btu/Hr Total * Do not include direct-vent gas appliances. -
Page 6: Ventilation Air
AIR FOR COMBUSTION AND VENTILATION Determining Fresh-Air Flow For Heater Location (Cont.) Ventilation AIR FOR COMBUSTION AND VENTILATION Continued A. Rework worksheet, adding the space of an adjoining room. If the extra space provides an unconfined space, remove door to adjoining room or add ventilation grills between rooms. -
Page 7: Installation
INSTALLATION NOTICE: This heater is intended for use as supple- mental heat. Use this heater along with your primary heating system. Do not install this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. - Page 8 INSTALLATION Installation and Clearances (Cont.) INSTALLATION Continued Minimum Clearances For Side Combustible Material, Side Wall, and Ceiling A. Clearances from the side of the fireplace cabinet to any com- bustible material and wall should follow diagram in Figure 4. Example: The face of a mantel, bookshelf, etc. is made of combustible material and protrudes 3 combustible material must be 4"...
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Page 9: Mantel Clearances
INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible material clearances, you must also meet required clearances between fireplace openings and mantel shelf on each side of the fireplace. If you do not meet the clearances listed in this section, you will need a hood. Determining Minimum Mantel Clearance If you meet minimum clearance between mantel shelf and top of fireplace opening, a hood is not required (see Figure 6). -
Page 10: Installing Damper Clamp Accessory For Vented Operation
INSTALLATION Installing Damper Clamp Accessory For Vented Operation Installing Heater Base Assembly INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material. -
Page 11: Connecting To Gas Supply
INSTALLATION Continued Place logs in their proper position on heater base. See Install- ing Logs, page 13. Center heater base and logs front-to-back and side-to-side in fireplace. Carefully remove logs without moving heater base. Mark screw locations through one hole on each side of the mounting bracket (see Figure 12). -
Page 12: Checking Gas Connections
INSTALLATION Connecting To Gas Supply (Cont.) Checking Gas Connections INSTALLATION Continued We recommend that you install sediment trap in supply line as shown in Figure 14. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sediment trap where trapped matter is not likely to freeze. -
Page 13: Installing Logs
INSTALLATION Continued Equipment Shutoff Valve Gas Meter Control Valve Location Figure 16 - Checking Gas Joints for Natural Gas Propane/LP Equipment Shutoff Valve Supply Tank Figure 17 - Checking Gas Joints for Propane/LP Gas INSTALLING LOGS WARNING: Failure to position the parts in accor- dance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. -
Page 14: Operating Heater
OPERATING HEATER For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER 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. -
Page 15: Manual Lighting Procedure
OPERATING HEATER Continued Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. • If control knob does not pop out when released, contact a qualified service person or gas supplier for repairs. Note: If pilot goes out, repeat steps 4 through 8. -
Page 16: Inspecting Burners
OPERATING HEATER Optional Remote Operation (Cont.) INSPECTING BURNERS Pilot Flame Pattern Burner Flame Pattern OPERATING HEATER Continued GHRCTA Series Operation 2b. Press the AUTO/ON/OFF button on the hand-held remote control (see Figure 26). The lights to the left of the button will show AUTO, ON, or OFF. -
Page 17: For More Information, Visit Www.desatech.com For More Information, Visit Www.desatech.com
INSPECTING BURNERS Continued BURNER PRIMARY AIR HOLES Air is drawn into the burner through the holes in the fitting at the burner entrance. These holes may become blocked with dust or lint. Periodically inspect these holes for any blockage and clean if needed. -
Page 18: Troubleshooting
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 19 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function For more information, visit www.desatech.com...
- Page 20 TROUBLESHOOTING TROUBLESHOOTING Continued • 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.
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Page 21: Wiring Diagram
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. For more information, visit www.desatech.com For more information, visit www.desatech.com... -
Page 22: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN VYM27NR, VYM27PR, FVFM27NR, FVFM27PR ILLUSTRATED PARTS BREAKDOWN VYM27NR, VYM27PR FVFM27NR, FVFM27PR For more information, visit www.desatech.com For more information, visit www.desatech.com NOTE: Part numbers 22 and 23 are for natural gas models only. 110398-01A... -
Page 23: Parts List
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 21 of this manual. VYM27NR VYM27PR FVFM27NR FVFM27PR VYM27NR FVFM27NR 104676-01 110397-06 110321-01 110321-02 110321-05 110321-03 110321-04 103779-01 098249-01 104592-01... -
Page 24: Accessories
ACCESSORIES ACCESSORIES Purchase these heater 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 25: 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 26 For more information, visit www.desatech.com For more information, visit www.desatech.com TAPE 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 TAPE Postage Required 110398-01A...
- Page 27 NOTES NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 110398-01A...
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Page 28: Limited Warranty
DESA International warrants this product to be free from defects in materials and components for four (4) 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.
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