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For more information, visit www.desatech.com
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Remote-Ready and Variable Manually-Controlled Models Also Design-Certified As Vented Decorative Appliances
FLAME-MAX
Oak Log Design
18", 24" and 30" Variable
Manually-Controlled Models
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 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 5 of this manual.
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
Save this manual for future reference.
Save this manual for future reference.
®
Vintage
FLAME-MAX
18", 24", 30", and 36" Variable
18", 24", and 30" Thermostat-
18", 24", 30", and 36" Remote-
UNVENTED (VENT-FREE) GAS LOG
HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
®
Golden
Oak Log Design
Manually-Controlled and
Controlled Models
Ready Model
WARNING: Improper installation, adjust-
ment, alteration, service, or maintenance
can cause injury or property damage. Re-
fer to this manual for correct installation
and operational procedures. For assis-
tance or additional information 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 a
listed ventless firebox enclosure. It is de-
sign-certified for these installations in ac-
cordance 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.
®
FLAME-MAX
Birch Log
Design
18", 24", and 30" Variable
Manually-Controlled Model
18", 24", and 30"
Remote-Ready Models
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- Page 1 For more information, visit www.desatech.com For more information, visit www.desatech.com Remote-Ready and Variable Manually-Controlled Models Also Design-Certified As Vented Decorative Appliances ® FLAME-MAX Vintage Oak Log Design 18", 24" and 30" Variable Manually-Controlled Models 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 ... 4 OPTIONAL REMOTE CONTROL ACCESSORIES ... 5 LOCAL CODES ... 5 UNPACKING ... 5 PRODUCT FEATURES ... 5 AIR FOR COMBUSTION AND VENTILATION ... 5 INSTALLATION ... - Page 3 SAFETY INFORMATION Continued You must operate this heater with a fireplace screen in place. Make sure fireplace screen is closed before running heater. Keep the appliance area clear and free from combus- tible materials, gasoline, and other flammable vapors and liquids. 1.
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Page 4: Product Identification
PRODUCT IDENTIFICATION PRODUCT IDENTIFICATION Piezo Ignitor Burner Assembly Control Knob Piezo Ignitor Burner Assembly Control Knob Figure 1 - Product Identification For more information, visit www.desatech.com For more information, visit www.desatech.com ® Flame-Max Birch Logs One Piece Log Set Optional Remote Control Optional Selector Switch... -
Page 5: Optional Remote Control Accessories
OPTIONAL REMOTE CONTROL ACCESSORIES 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 • hand-held thermostat remote. See Accessories, page 44. The wall thermostat or hand-held thermostat may not be used where vented decorative listing is required. - Page 6 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. Direct-vent draws com- bustion air from the outdoors and vents to the outdoors.
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Page 7: 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 ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12"... -
Page 8: Installation
INSTALLATION Check Gas Type Installation and Clearances for Vent-Free Operation 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 9 INSTALLATION Continued Carefully follow the instructions below. This will ensure safe installation into a masonry, UL127-listed manufactured fireplace, or listed vent-free firebox. Minimum Clearances For Side Combustible Material, Side Wall, and Ceiling A. Clearances from the side of the fireplace cabinet to any combus- tible material and wall should follow diagram in Figure 4.
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Page 10: Mantel Clearances
INSTALLATION Mantel Clearances Floor Clearances INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible 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 11: Installing Damper Clamp Accessory For Vented Operation
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. If your heater is a manually-controlled model, you may use this heater as a vented product. - Page 12 INSTALLATION Installing Heater Base Assembly (Cont.) INSTALLATION Continued 4. Place logs in their proper position on heater base (see Installing Logs, pages 15 and 16). 5. Center heater base and logs front-to-back and side-to-side in fireplace. 6. Carefully remove logs without moving heater base. 7.
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Page 13: Connecting To Gas Supply
INSTALLATION Continued CONNECTING TO GAS SUPPLY WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pres- sure regulator. WARNING: A qualified service person must con- nect heater to gas supply. Follow all local codes. CAUTION: Never connect propane/LP fireplace directly to the propane/LP supply. -
Page 14: 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* PROPANE/LP From External Regulator (11" W.C.** to 14" W.C. Pressure) NATURAL From Gas 3" Minimum Meter (5" W.C.** to 10.5" W.C. Pressure) Pipe Joint... -
Page 15: Installing Logs
INSTALLATION Continued Pressure Testing Heater Gas Connections 1. Open equipment shutoff valve (see Figure 19). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve. 3. Make sure control knob of heater is in the OFF position. 4. - Page 16 INSTALLATION Installing Logs (Cont.) INSTALLATION Continued One-Piece Log Set Chassis Figure 22 - Installing Vintage Oak One-Piece Log Set One-Piece Log Set Chassis Figure 23 - Installing Golden Oak or Birch One-Piece Log Set For more information, visit www.desatech.com For more information, visit www.desatech.com Burner Ports Burner “U”-shaped Cutout...
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Page 17: Operating Heater
C. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service techni- cian or gas supplier. Force or attempted repair may result in a fire or explosion. -
Page 18: To Turn Off Gas To Appliance
OFF position. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service techni- cian or gas supplier. Force or attempted repair may result to the PILOT position. - Page 19 If you smell gas, STOP! Follow “B” in the safety information, starting in column 1, page 18. If you don’t smell gas, go to the next step. 5. Slightly depress and turn control knob counterclockwise to the PILOT position.
- Page 20 If you smell gas, STOP! Fol- low “B” in the safety information, starting in column 2, page 19. If you don’t smell gas, go to the next step. 6. Press in and turn control knob counterclockwise to the PILOT position.
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Page 21: To Turn Off Gas To Appliance
OPERATING HEATER Continued CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve. WARNING: Make sure the selector switch is in the OFF position when you are away from home for long periods of time. Heater will come on automatically with selector switch in the ON position. -
Page 22: Inspecting Burners
OPERATING HEATER (REMOTE-READY MODELS) Optional Hand-Held Remote Operation (Cont.) INSPECTING BURNERS Pilot Flame Pattern OPERATING HEATER Continued THERMOSTAT SERIES (MODEL GHRCTB) The hand-held remote can be operated using either the manual mode (MANU) or thermostatic mode (AUTO) (see Figure 35). To select Fahrenheit/Centigrade mode display, carefully press the ˚C/˚F mode button with the end of a paper clip or similar blunt object. -
Page 23: Cleaning And Maintenance
You can use a vacuum cleaner in the blow position. If using compressed air in a can, please follow the direc- tions on the can. If you don't follow directions on the can, you could damage the pilot assembly. -
Page 24: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING Note: For additional help, visit DESA Heating Products’ 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 25 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion 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 Moisture/condensation noticed on windows...
- Page 26 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.
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Page 27: Optional Positioning Of Thermostat Sensing Bulb
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB (Thermostat-Controlled Models Only) FOR MASONRY AND FACTORY-BUILT METAL FIREPLACE If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb. -
Page 28: Specifications
SPECIFICATIONS SPECIFICATIONS Vintage Oak 18" Variable Manually-Controlled Btu (Variable) 16,000/27,000 Type Gas Propane/LP Only - Natural Ignition Piezo Manifold Pressure 8.0" W.C. - 3.5" W.C. Inlet Gas Pressure (in. of water) Maximum 14" - 10.5" Minimum* 11" - 5" Shipping Weight 36 lbs. -
Page 29: Wiring Diagram
• purchase date 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 Heating Products at 1-866-672-6040 for referral information. -
Page 30: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN Models VYS18PA, H18P, VYS18NA, H18N, VYS24PA, H24P, VYS24NA, H24N, VYS30PA and VYS30NA ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY- CONTROLLED ® FLAME-MAX VINTAGE OAK LOG MODELS VYS18PA, H18P, VYS18NA, H18N, VYS24PA, H24P, VYS24NA, H24N, VYS30PA AND VYS30NA 20 - ODS Pilot (Natural Gas) 20 - ODS Pilot (Propane/LP) - Page 31 PARTS LIST VARIABLE MANUALLY-CONTROLLED ® FLAME-MAX VINTAGE OAK LOG MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. KEY VYS18PA VYS18NA VYS24PA H18P H18N H24P 105185-01...
- Page 32 ILLUSTRATED PARTS BREAKDOWN Models VYD18PA, VYBD18P, VYD24PA, VYBD24P, VYD30PA, VYBD30P and VYD36PA ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY-CONTROLLED FLAME-MAX ® GOLDEN OAK LOG AND BIRCH LOG MODELS VYD18PA, VYBD18P, VYD24PA, VYBD24P,VYD30PA, VYBD30P and VYD36PA *Note: The Golden Oak Log (107027-01) for the VYD36PA model differs slightly from drawing 19 - ODS Pilot (Propane/LP)
- Page 33 PARTS LIST VARIABLE MANUALLY-CONTROLLED ® FLAME-MAX GOLDEN OAK LOG AND BIRCH LOG MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. PART NUMBER FOR VYD18PA VYBD18P VYD24PA...
- Page 34 ILLUSTRATED PARTS BREAKDOWN Models VYD18NA, VYBD18N, VYD24NA, VYBD24N, VYD30NA, VYBD30N and VYD36NA ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY-CONTROLLED FLAME-MAX ® GOLDEN OAK LOG AND BIRCH LOG MODELS VYD18NA, VYBD18N, VYD24NA, VYBD24N, VYD30NA, VYBD30N and VYD36NA * Note: The Golden Oak Log (107027-01) for the VYD36NA model differs slightly from drawing.
- Page 35 PARTS LIST VARIABLE MANUALLY-CONTROLLED ® FLAME-MAX GOLDEN OAK LOG AND BIRCH LOG MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. PART NUMBER FOR VYD18NA VYBD18N VYD24NA...
- Page 36 ILLUSTRATED PARTS BREAKDOWN Models VYD18PTA, VYD18NTA, VYD24PTA, VYD24NTA, VYD30PTA and VYD30NTA ILLUSTRATED PARTS BREAKDOWN THERMOSTAT-CONTROLLED FLAME-MAX ® GOLDEN OAK LOG MODELS VYD18PTA, VYD18NTA, VYD24PTA, VYD24NTA, VYD30PTA and VYD30NTA For more information, visit www.desatech.com For more information, visit www.desatech.com 107070-01F...
- Page 37 PARTS LIST THERMOSTAT-CONTROLLED ® FLAME-MAX GOLDEN OAK LOG MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. VYD18PTA VYD18NTA VYD24PTA 105268-01 105268-01 105268-02 104033-03 104033-03 102775-09CK 102775-09CK 102775-05CK 102775-05CK 102775-07CK 102775-07CK Painted Base Assembly...
- Page 38 ILLUSTRATED PARTS BREAKDOWN Models VYD18PRA, HD18PR, VYD24PRA, HD24PR, VYD30PRA, HD30PR, VYD36PRA and HD36PR ILLUSTRATED PARTS BREAKDOWN REMOTE-READY FLAME-MAX ® GOLDEN OAK LOG MODELS VYD18PRA, HD18PR, VYD24PRA, HD24PR, VYD30PRA, HD30PR, VYD36PRA and HD36PR * Note: The Golden Oak Log (107027-01) for the VYD36PRA model differs slightly from the log shown.
- Page 39 PARTS LIST REMOTE-READY ® FLAME-MAX GOLDEN OAK LOG MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. VYD18PRA HD18PR 105268-01 103778-01 098249-01 104422-02 098264-02 111124-01 099056-19...
- Page 40 ILLUSTRATED PARTS BREAKDOWN Models VYD18NRA, HD18NR, VYD24NRA, HD24NR, VYD30NRA, HD30NR, VYD36PNA and HD36NR ILLUSTRATED PARTS BREAKDOWN REMOTE-READY FLAME-MAX ® GOLDEN OAK LOG MODELS VYD18NRA, HD18NR, VYD24NRA, HD24NR, VYD30NRA, HD30NR, VYD36NRA and HD36NR * Note: The Golden Oak Log (107027-01) for the VYD36NRA and HD36NR models differs slightly from the log shown.
- Page 41 PARTS LIST REMOTE-READY ® FLAME-MAX GOLDEN OAK LOG MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. VYD18NRA HD18NR 105268-01 103779-01 098249-01 104422-01 098264-02 111124-01 099056-26...
- Page 42 ILLUSTRATED PARTS BREAKDOWN Models VYBD18PR, VYBD18NR, VYBD24PR, VYBD24NR, VYBD30PR and VYBD30NR ILLUSTRATED PARTS BREAKDOWN REMOTE-READY FLAME-MAX ® BIRCH LOG MODELS VYBD18PR, VYBD18NR, VYBD24PR, VYBD24NR, VYBD30PR and VYBD30NR For more information, visit www.desatech.com For more information, visit www.desatech.com 107070-01F...
- Page 43 PARTS LIST REMOTE-READY ® FLAME-MAX BIRCH LOG MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 29 of this manual. VYBD18PR VYBD18NR VYBD24PR 103520-01 103520-01 103336-01 103778-01 103779-01 103778-01 098249-01...
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Page 44: Accessories
Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA Heating Products at 1-866-672-6040 for referral information. You can also write to the address listed on the back page of this manual. -
Page 45: Owner's Registration Form
Address: City: Home Phone: E-Mail: Please answer the following questions to register your product with DESA Heating Products: 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 46 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 107070-01F...
- Page 47 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ For more information, visit www.desatech.com For more information, visit www.desatech.com 107070-01F NOTES...
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Page 48: Warranty Information
DESA Heating Products 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.