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UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
FLAME-MAX™
Golden Oak Log
Design
18", 24", and 30" Variable
Manually-Controlled Model
WARNING: If the information in this
manual is not followed exactly, a fire or
explosion may result causing 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 instructions.
• If you cannot reach your gas sup-
plier, call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
Models Also Designed Certified as Vented Decorative Appliances
This appliance may be installed in an aftermarket* manufactured (mobile) home, where
not prohibited by state or 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
FLAME-MAX™
Vintage Oak
Log Design
18" and 24" Variable
Manually-Controlled Models
Save this manual for future reference.
®
18", 24", and 30" Variable
Manually-Controlled Model
WARNING: Improper installation, adjust-
ment, alteration, service, or maintenance
can cause injury or property damage.
Refer to this manual for correct installa-
tion and operational procedures. For
assistance or additional information con-
sult a qualified installer, service agency,
or the gas supplier.
WARNING: This gas log set is for instal-
lation in a masonry solid fuel burning
fireplace, a U.L. listed manufactured
solid fuel burning fireplace or an AGA
design certified vent-free firebox listed
for use with these gas log models.
WARNING: This is an unvented gas-
fired heater. It uses air (oxygen) from
the room in which it is installed. Provi-
sions for adequate combustion and ven-
tilation air must be provided. Refer to
Air for Combustion and Ventilation sec-
tion in this manual.
FLAME-MAX™
Birch
Log Design
®
Patent Pending
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Table of Contents
Related Manuals for Vanguard Gas Log Heater
Summary of Contents for Vanguard Gas Log Heater
- Page 1 UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL FLAME-MAX™ Golden Oak Log Design 18", 24", and 30" Variable Manually-Controlled Model WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.
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Page 2: Table Of Contents
CONTENTS SAFETY INFORMATION SECTION Safety Information ... 2 Product Identification ... 4 Local Codes ... 5 Unpacking ... 5 Product Features ... 5 Air for Combustion and Ventilation ... 5 Installing ... 9 Check Gas Type ... 9 Installation and Clearances (Vent-Free Operation Only) ... 10 Installing Damper Clamp Accessory for Vented Operation ... - Page 3 SAFETY INFORMATION Continued 103515 WARNINGS WARNING ICON G 001 WARNING: Any change to this heater or its controls can be dangerous. 1. 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. 2.
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Page 4: Product Identification
Crossover Log PRODUCT Back Log IDENTIFICATION Flame-Max Standard Oak Logs Burner Piezo Ignitor Base Assembly Front Log Control Knob One Piece Log Set Flame-Max Golden Oak Logs Piezo Ignitor Base Assembly Control Knob One Piece Log Set Flame-Max Birch Logs Piezo Ignitor Base Assembly Control Knob... -
Page 5: Local Codes
LOCAL CODES UNPACKING PRODUCT FEATURES AIR FOR COMBUSTION VENTILATION 103515 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, also known as NFPA 54*. *Available from: American National Standards Institute, Inc. - Page 6 AIR FOR COMBUSTION VENTILATION Continued PROVIDING ADEQUATE VENTILATION The following is exerpts from National Fuel Gas Code. NFPA 54/ANSI Z223.1, Section 5.3, Air for Combustion and Ventilation. All spaces in homes fall into one of the three following ventilation classifications: 1.
- Page 7 AIR FOR COMBUSTION VENTILATION Continued 103515 DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
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Page 8: Ventilation Air
AIR FOR COMBUSTION VENTILATION Continued If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combus- tion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3 or appli- cable local codes. -
Page 9: Installing
INSTALLING 103515 A qualified service person must install heater. Follow all local codes. State or local codes may only allow operation of this appliance in a vented configuration. Check your state or local codes. Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. -
Page 10: Installation And Clearances (Vent-Free Operation Only)
INSTALLING Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Maintain the minimum clearances. If you can, provide greater clear- ances from floor, ceiling, and adjoining wall. MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size 18", 24", and 30" LOG SIZING REQUIREMENTS Minimum Firebox Size Size Height... - Page 11 INSTALLING Continued 103515 Manual control heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, non-combustible material above fireplace opening is not needed. Go to Installing Damper Clamp Accessory for Vented Operation, page 14.
- Page 12 INSTALLING Continued Minimum Non Combustible Material Clearances If Using Mantel You must have non combustible material(s) above the fireplace opening. Non combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have non combustible material behind it. Non combustible material must extend at least 8 inches up (for all models).
- Page 13 INSTALLING Continued 103515 12" 10" 8" 6" 1 /2 " Minimum Non- Combustible Material 8" Min. Hood (GA6050, GA6052) Figure 7 - Minimum Mantel Clearances When Using Hood If your installation does not meet the above minimum clearances, you must: •...
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Page 14: Installing Damper Clamp Accessory For Vented Operation
INSTALLING 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 non combustible material. If your heater is a manually controlled model, you may use this heater as a vented product. -
Page 15: Installing Heater Base Assembly
INSTALLING Continued 103515 INSTALLING HEATER BASE ASSEMBLY WARNING ICON G 001 You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak. WARNING ICON G 001 If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. - Page 16 INSTALLING Continued Flexible Gas Hose (if allowed by local codes) Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator Standard Oak Log Chassis Masonry Screw Figure 12 - Attaching Base Assembly to Fireplace Floor Heater Gas Regulator Fitting Masonry Screw Bracket with Screw Holes...
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Page 17: Connecting To Gas Supply
INSTALLING Continued 103515 CONNECTING TO GAS SUPPLY A qualified service person must connect heater to gas supply. Follow all local codes. Installation Items Needed Before installing heater, make sure you have the items listed below. • piping (check local codes) •... -
Page 18: Checking Gas Connections
INSTALLING Continued Sediment WARNING ICON Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings. A.G.A. Design-Certified Manual Shutoff Valve With 1/8" NPT Tap* From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) Tee Joint Pipe 3"... - Page 19 INSTALLING Continued 103515 Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Figure 14). 2. Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter. 3.
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Page 20: Installing Logs
INSTALLING Continued INSTALLING LOGS WARNING ICON G 001 Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. For Vintage Oak Log Model Each log is marked with a number. - Page 21 INSTALLING Continued 103515 For Golden Oak or Birch Models It is very important to install the logs exactly as instructed. Do not modify logs. Only use logs supplied with heater. 1. Place one-piece log set on grate to fit as illustrated in Figure 19. Make sure middle section at bottom of log set is seated into "U"-shaped cutout in center of chassis (see Figure 19).
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Page 22: Operating Heater
OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result causing property 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 23 OPERATING HEATER Continued 103515 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information on page 21. If you don’t smell gas, go to the next step. 5.
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Page 24: Inspecting Burners
OPERATING HEATER Continued INSPECTING BURNERS TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Press in and turn control knob clockwise 2. Turn the control knob clockwise 3. Press in control knob and turn clockwise Shutting Off Burners Only (pilot stays lit) 1. -
Page 25: Cleaning And Maintenance
CLEANING MAINTENANCE TROUBLE- SHOOTING Note: All troubleshooting items are listed in order of operation. 103515 WARNING ICON Turn off heater and let cool before cleaning. WARNING ICON You must keep control areas, burner, and circulating air passage- ways of heater clean. Inspect these areas of heater before each use. - Page 26 TROUBLE- SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE When ignitor button 1. Gas supply turned off or is pressed, there is manual shutoff valve spark at ODS/pilot closed but no ignition 2. Control knob not in PILOT position 3. Control knob not pressed in while in PILOT position 4.
- Page 27 TROUBLE- SHOOTING Continued 103515 OBSERVED POSSIBLE PROBLEM CAUSE Burner does not light 1. Inlet gas pressure is after ODS/pilot is lit too low 2. Burner orifice clogged 3. Burner orifice diameter is too small Delayed ignition 1. Manifold pressure is burner too low 2.
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Page 28: Technical Service
TROUBLE- SHOOTING Continued TECHNICAL SERVICE 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. -
Page 29: Specifications
SPECIFICATIONS SERVICE HINTS REPLACEMENT PARTS 103515 Vintage Oak 18" Variable Manually Controlled Btu (Variable) 16,000/27,000 Type Gas Natural Gas Only Ignition Piezo Pressure Manifold 3.5" W.C. Inlet Gas Pressure (in. of water) Maximum 10.5" Minimum* 5" * For input adjustment Shipping Weight 27 lbs. -
Page 30: Illustrated Parts Lists
ILLUSTRATED PARTS BREAKDOWN Flame-Max Vintage Oak Log Models VYS18N and VYS24N 20-2 20-1 103515... - Page 31 PARTS LIST VYS18N 102968-01 102969-01 102970-01 102775-02CK 102844-01 102966-01 098867-11 102798-01 102780-01 099056-20 102843-01 102963-01 102568-07 098508-01 098354-01 102445-01 098249-01 099387-08 098271-07 103042-01 20-1 098594-01 20-2 098593-01 M11084-38 098276-01 099553-01 100563-01 101055-02 100565-01 100639-01 101449-04 101137-02 101416-16 GA6060 103515 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.
- Page 32 ILLUSTRATED PARTS BREAKDOWN Flame-Max Golden Oak and Birch Log Models VYD24N and VYBD24N 19-2 19-1 103515...
- Page 33 PARTS LIST VYD18N VYBD18N VYD24N 103517-01 – 102785-01 – 103520-01 – 098276-01 098276-01 098276-01 098249-01 098249-01 098249-01 102775-04CK 102775-04CK 102775-01CK 102775-01CK 102775-03CK 102775-03CK Painted Base Assembly 102844-02 102844-02 102844-01 102966-02 102966-02 102966-01 098867-11 098867-11 098867-11 102798-01 102798-01 102798-01 102779-03 102779-03 102779-01 099056-26 099056-26...
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Page 34: Accessories
ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA International’s Parts Department at 1-800-972-7879 for referral information. You can also write to the address listed on the back page of this manual. MANUAL SHUTOFF VALVE - GA5010 For all models. - Page 35 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ 103515...
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Page 36: Warranty Information
WARRANTY INFORMATION Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied. VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for three (3) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with...