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Ve n t - f r e e M o d e l s A l s o D e s i g n - - C e r t i f i e d A s Ve n t e d D e c o r a t i v e A p p l i a n c e s
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 sup-
plier's instructions.
• 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.
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.
Warning: This product must be installed by a Licensed Plumber or Gas Fitter when installed
within The Commonwealth of Massachusetts.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
UNVENTED (VENT FREE)
GAS LOG HEATER
OWNER'S OPERATION AND
INSTALLATION MANUAL
For more information, visit www.desatech.com
Save this manual for future reference.
VFRMV18NA, VFRMV18PA
VFRMV24NA, VFRMV24PA
WARNING: Improper installation, ad-
justment, alteration, service, or main-
tenance can cause injury or property
damage. Refer to this manual for
correct installation and operational
procedures. For assistance or addi-
tional information consult a qualified
installer, service agency, or the gas
supplier.
WARNING: This appliance is for instal-
lation only in a solid-fuel burning masonry
or UL127 factory-built fireplace, or in an
approved vent less 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 logs.
ANSI Z21.11.2a-2003
ANSI Z21.60-2003
CSA 2.26-2003
APPROVED
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Table of Contents
Related Manuals for Firewerks VFRMV18NA
Summary of Contents for Firewerks VFRMV18NA
- Page 1 UNVENTED (VENT FREE) GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL For more information, visit www.desatech.com VFRMV18NA, VFRMV18PA VFRMV24NA, VFRMV24PA WARNING: Improper installation, ad- justment, alteration, service, or main- tenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures.
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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 UNPACKING ...4 PRODUCT FEATURES ...4 AIR FOR COMBUSTION AND VENTILATION ...4 INSTALLATION ...7 OPERATING HEATER ...14 INSPECTING BURNERS ...17 SAFETY INFORMATION WARNINGS WARNING ICON... -
Page 3: Product Identification
SAFETY INFORMATION Continued This appliance, as supplied, 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 the structure. Locate propane/LP supply tank(s) outdoors (propane/LP units only). -
Page 4: Optional Remote Control Accessories
LOCAL CODES UNPACKING PRODUCT FEATURES AIR FOR COMBUSTION AND VENTILATION PROVIDING ADEQUATE VENTILATION OPTIONAL REMOTE CONTROL ACCESSORIES There are four optional remote controls that can be purchased sepa- rately for Remote-Ready Models Only: Wall switch Hand-held ON/OFF remote Wall thermostat Hand-held thermostat remote See Accessories, page 27 The wall thermostat or hand-held thermostat may not be used where vented... - Page 5 AIR FOR COMBUSTION AND VENTILATION Continued Unusually tight construction is defined as construction where: A.Walls and ceilings exposed to the outside atmosphere have a con tinuous water vapor retarder with a rating of one perm (6 x 10 pa-sec-m ) or less with openings gasketed or sealed and B.
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Page 6: Ventilation Air
AIR FOR COMBUSTION AND VENTILATION Ventilation Air AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ven- tilating to an adjoining unconfined space, you must provide two permanent openings: one within 12"... -
Page 7: Installation
INSTALLATION NOTICE: this heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your primary heating source. If you have a central heating system, you may run system's circulating blower while using heater. This will help circulate the heat throughout the house. - Page 8 INSTALLATION Installation and Clearences for Vent-free Operation (cont.) INSTALLATION Continued Care fully follow the instructions below. This will ensure safe installation into masonary, UL127-listaed manufactured fireplace, or listed vent-free firebox. Minimum Clearances For Side Combustible material, side wall, and ceiling A.
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Page 9: Mantel Clearances
INSTALLATION Continued MANTEL CLEARANCES n addition to meeting non-combustible material clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clearances listed below, 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 Assembly INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented decorative, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of non- combustible material. -
Page 11: Connecting To Gas Supply
INSTALLATION Continued WARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator. WARNING: A qualified service person must connect heater to gas supply. Follow all local codes. CAUTION: Never connect propane/LP fireplace directly to the propane/LP supply. -
Page 12: Checking Gas Connections
INSTALLATION Connecting To Gas Supply (Cont.) Checking Gas Connections INSTALLATION Continued CSA Design-Certified Equipment Shutoff Valve With 1/8" NPT Tap* Approved Flexible Gas Hose (if allowed by local codes) 3" Minimum Gas Control Pipe Nipple Sediment Trap Figure 13 - Gas Connection (Remote-Ready Models Only) * Purchase the optional CSA design-certified equipment shutoff valve from your dealer. - Page 13 INSTALLATION Continued Equipment Shutoff Valve Propane/LP Supply Figure 15 - Checking Gas Joints (propane/LP only) Thermostat Gas Valve or Control Valve Location Gas Meter Figure 16 - Checking Gas Joints (Natural Gas Only) For more information, visit www.desatech.com 114745-01 114745-01 Thermostat Gas Valve or Control Valve Location...
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Page 14: Operating Heater
OPERATING HEATER (REMOTE-READY MODELS) For Your Safety Read Before Lighting Lighting Instructions OPERATING HEATER REMOTE-READY MODELS 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. -
Page 15: To Turn Off Gas To Appliance
OPERATING HEATER Continued pressing ignitor button until pilot lights. Note: If pilot does not stay lit, contact a qualified service person or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, column 2. ��������... - Page 16 OPERATING HEATER (REMOTE-READY MODELS) Remote Control Operation (Cont.) NOTICE: You must light the pilot before using the remote control unit. See Lighting Instructions on page 14. GHRCTB Series Operation: 2a. Press the AUTO/ON/OFF button on the hand-held remote control (see Figure 21). The lights to the left of the button will show AUTO, ON, or OFF.
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Page 17: Inspecting Burners
INSPECTING BURNERS Check pilot fl ame pattern and burner fl ame patterns often. PILOT FLAME PATTERN Figure 22 shows a correct pilot fl ame pat tern. Figure 23 shows an incorrect pilot fl ame pattern. The incorrect pilot fl ame is not touch ing the thermo couple. This will cause the thermo couple to cool. -
Page 18: Cleaning And Maintenance
CLEANING AND MAINTENANCE Cleaning Burner Injector Holder and Pilot Air Inlet Hole CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burners, and circulating air passageways of heater clean. Inspect these areas of heater be- fore each use. -
Page 19: Troubleshooting
TROUBLESHOOTING Note: For additional help, visit DESA 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 spark at ODS/pilot but no ignition ODS/pilot lights but flame goes out when control... - Page 20 TROUBLESHOOTING TROUBLESHOOTING Continued OBSERVED PROBLEM One or both burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Orange flame in burner during burner com- bustion Slight smoke or odor during initial operation Heater produces a whistling noise when burn- ers are lit White powder residue forming within burner box or on adjacent walls or furniture...
- Page 21 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.
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Page 22: Specifications
Minimum* 11" W.C. * For purpose of input adjustment Manufactured by: DESA FMI. LLC, 1769 E. Lawrence St. Russellville, AL 35653 This appliance has been designed-certified by to ANS Z21.11.2a-2003 Unvented Room Heaters, and ANS Z21.60-2003 • CSA 2.26-2003 decorative Gas Appliances for Installation in Solid Fuel Burning Fireplaces by OMNI Test Laboratories. -
Page 23: Wiring Diagram
TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshoot- ing. If so, contact DESA Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready. Yo u c a n a l s o v i s i t D E S A t e c h n i c a l s e r v i c e s w e b s i t e a t www.desatech.com. -
Page 24: Illustrated Parts Breakdown
ILLUSTRATED PARTS BREAKDOWN VFRMV18NA, VFRMV18PA VFRMV24NA, VFRMV24PA ILLUSTRATED PARTS BREAKDOWN REMOTE-READY MODELS AND REMOTE CONTROLLED MODELS VFRMV18NA, VFRMV18PA VFRMV24NA, VFRMV24PA For more information, visit www.desatech.com Log sets and mount- Log sets and mount- ing plates are ordered ing plates are ordered... -
Page 25: Illustrated Breakdown And Parts List
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 23 of this manual. VFRMV18NA VFRMV24NA 114860-01 114607-01 111807-01 111807-02 103784-01 103784-01 103784-02 103784-02 114795-01... -
Page 26: Accessories
ACCESSORIES Purchase these heater accessories from your local dealer. If they can not sup- ply 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 27 THIS PAGE INTENTIONALLY LEFT For more information, visit www.desatech.com 114745-01 114745-01...
- Page 28 City: ____________________ State:_______________________ Zip:__________ Country: _______________________ 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 2. If you bought this product your self, did you plan to purchase this type of product before going into the store 3.
- Page 29 Postage Required 2701 Industrial drive. Bowling Green, KY. 42101 www.desatech.com For more information, visit www.desatech.com 114745-01...
- Page 30 NOTES NOTES ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ ________________________________________________________________________________________________ For more information, visit www.desatech.com 114745-01 114745-01...
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Page 31: Warranty Information
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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