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Manual Desa GAS LOG HEATER

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  • Desa GAS LOG HEATER - page 1

    UNVENTED (VENT -FREE) NA TURAL GAS LOG HEA TER 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. 18" and 24" Variable Manually-Cont ...

  • Desa GAS LOG HEATER - page 2

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 2 104342 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. 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 p ...

  • Desa GAS LOG HEATER - page 3

    OWNER’S MANUAL 3 104342 PRODUCT IDENTIFICA TION Figure 1 - Product Identification Control Knob Back Log Base Assembly Piezo Ignitor Burner Crossover Log Front Log Flame-Max ® Standard Oak Logs Flame-Max ® Golden Oak Logs Flame-Max ® Birch Logs Control Knob Piezo Ignitor One Piece Log Set One Piece Log Set Control Knob Piezo Ignitor Base Assemb ...

  • Desa GAS LOG HEATER - page 4

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 4 104342 PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- tion 5.3, Air for Combustion and Ventilation. All spaces in homes fall into one of the three following ventilation classifications: 1. Unusually T ight Construction 2. Unco ...

  • Desa GAS LOG HEATER - page 5

    OWNER’S MANUAL 5 104342 DETERMINING FRESH-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 ro ...

  • Desa GAS LOG HEATER - page 6

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 6 104342 AIR FOR COMBUSTION AND VENTILA TION Continued Figure 3 - Ventilation Air from Outdoors Figure 2 - Ventilation Air from Inside Building Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic Or Remove Door into Adjoining Room, Option ...

  • Desa GAS LOG HEATER - page 7

    OWNER’S MANUAL 7 104342 42" 16" NOTICE: 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, noncombustible material above fireplace opening is not needed. Go to Installing Damper Clamp Accessory for Vented Op- eration, page 10. WARNI ...

  • Desa GAS LOG HEATER - page 8

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 8 104342 Minimum Noncombustible Material Clearances If Not Using Mantel Note: If using a mantel, proceed to If Using Mantel . If not using a mantel, follow the information below. You must have noncombustible material(s) above the fireplace opening. Noncombus- tible materials (such as slate, m ...

  • Desa GAS LOG HEATER - page 9

    OWNER’S MANUAL 9 104342 INST ALLA TION Continued Figure 6 - Minimum Mantel Clearances Without Using Hood Minimum Non- Combustible Material Minimum Non- Combustible Material Height Distances to Underside of Mantel Top of Fireplace Opening Underside of Mantel Shelf Mantel Shelf 12" 8" (A) 18" 8" 20" 14" 22" 16 3 / ...

  • Desa GAS LOG HEATER - page 10

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 10 104342 Area of Various Standard Round Flues Diameter (ins.) Area (sq. ins.) 5" 20 sq. inches 6" 29 sq. inches 7" 39 sq. inches 8" 51 sq. inches INSTALLING HEATER BASE ASSEMBLY WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adj ...

  • Desa GAS LOG HEATER - page 11

    OWNER’S MANUAL 11 104342 INST ALLA TION Continued Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator Figure 12 - Attaching Base Assembly to Fireplace Floor Masonry Screw Bracket with Screw Holes Standard Oak Log Chassis Golden Oak and Birch Model Chassis Masonry Screw Bracket with Screw Holes Continued Installation Items Needed • h ...

  • Desa GAS LOG HEATER - page 12

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 12 104342 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap Gas Regulator From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) A.G.A. Design-Certified Manual Shutoff Valve With 1/8" NPT Tap* Approved Flexible Gas Hose (if allowed by local codes) Figure 13 - Gas Connection * ...

  • Desa GAS LOG HEATER - page 13

    OWNER’S MANUAL 13 104342 Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff v alve (see Fig- ure 14). 2. Pressurize supply piping system by ei- ther using compressed air or opening main gas valve located on or near gas meter . 3 . Check all joints from gas meter to manual shutof f valv e (see Figure 15). Apply mixture of liquid ...

  • Desa GAS LOG HEATER - page 14

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 14 104342 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 ...

  • Desa GAS LOG HEATER - page 15

    OWNER’S MANUAL 15 104342 PILOT OFF LO HI LIGHTING INSTRUCTIONS OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the ...

  • Desa GAS LOG HEATER - page 16

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 16 104342 LO HI OFF Pilot TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Press in and turn contr ol knob clock- wise Clockwise to the HIGH position. 2 . T urn the control knob clockwise Clockwise to the PILO T position. 3. Press in contr ol knob and turn clock- wise Clockwise to the OFF ...

  • Desa GAS LOG HEATER - page 17

    OWNER’S MANUAL 17 104342 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 25 shows a correct pilot flame pat- tern. Figure 26 shows an incorrect pilot flame pattern. ( Note : Appearance of pilot assembly may vary by model.) The incor- Figure 25 - Correct Pilot Flame Pattern Figure 26 - Incor ...

  • Desa GAS LOG HEATER - page 18

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 18 104342 TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit. POSSIBLE CAUSE 1. Ignito ...

  • Desa GAS LOG HEATER - page 19

    OWNER’S MANUAL 19 104342 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 Heater produces a whistling noise when burner is lit Moisture/condensation noticed on windows Dark residue on logs or inside of fireplace White powder resi ...

  • Desa GAS LOG HEATER - page 20

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 20 104342 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 supplie ...

  • Desa GAS LOG HEATER - page 21

    OWNER’S MANUAL 21 104342 OPTIONAL POSITIONING OF THERMOST A T SENSING BULB 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. The thermostat sensing bulb is locate ...

  • Desa GAS LOG HEATER - page 22

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 22 104342 SPECIFICA TIONS Vintage Oak Vintage Oak Golden Oak and Birch 18" Variable 24" Variable 18" Variable Manually Manually Manually Controlled Controlled Controlled Btu (Variable) 16,000/27,000 16,000/31,500 16,000/30,000 Type Gas Natural Gas Only Natural Gas Only Natural ...

  • Desa GAS LOG HEATER - page 23

    OWNER’S MANUAL 23 104342 Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Technical Service Department at 1-800-323-5190. When call- ...

  • Desa GAS LOG HEATER - page 24

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 24 104342 ILLUSTRA TED PA R T S BREAKDOWN FLAME-MAX™ VINTAGE OAK LOG MODELS VYS18N AND VYS24N 4 1 2 3 12 21 10 11 21 7 21 5 6 8 9 15 14 16 19 22 18 13 19 17 20 18 20-1 20-2 23 20-1 20-2 ODS Pilot ...

  • Desa GAS LOG HEATER - page 25

    OWNER’S MANUAL 25 104342 P AR TS LIST VYS18N VYS24N 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. KEY PART NUMBER FOR NO. VYS18N VYS24N DESCRIPTION QTY. 1 102968-01 102968-02 Back Log (#1) 1 2 102969-01 102969-02 Front Log (#2) 1 3 1 ...

  • Desa GAS LOG HEATER - page 26

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 26 104342 ILLUSTRA TED PA R T S BREAKDOWN FLAME-MAX™ GOLDEN OAK AND BIRCH LOG MODELS VYD18N, VYBD18N, VYD24N, VYBD24N, VYD30N, VYBD30N, AND VYD36N 4 20 10 11 12 20 7 20 20 5 6 9 8 15 14 16 18 2 17 13 18 3 19 17 1A 1B 1A* * Note: The Golden Oak Log (104254-01) for the VYD36N model differs sl ...

  • Desa GAS LOG HEATER - page 27

    OWNER’S MANUAL 27 104342 P AR TS LIST VYD18N, VYBD18N VYD24N, VYBD24N VYD30N, VYBD30N VYD36N 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. KEY PART NUMBER FOR NO. VYD18N VYBD18N VYD24N VYBD24N VYD30N VYBD30N VYD36N DESCRIPTION QTY. 1 ...

  • Desa GAS LOG HEATER - page 28

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 28 104342 ILLUSTRA TED PA R T S BREAKDOWN THERMOSTATICALLY- CONTROLLED MODELS VYD18NT VYD24NT VYD30NT 12 1 2 18 16 17 20 10 9 5 11 4 7 6 19 8 21 13 19 14 19 19 3 15 17 19 ...

  • Desa GAS LOG HEATER - page 29

    OWNER’S MANUAL 29 104342 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. P AR TS LIST VYD18NT VYD24NT VYD30NT KEY VYD18NT VYD24NT VYD30NT NO. PART NUMBER PART NUMBER PART NUMBER DESCRIPTION QTY. 1 103517-01 102785-02 103519-01 Log Set, ...

  • Desa GAS LOG HEATER - page 30

    UNVENTED NA TURAL GAS LOG HEA TER V ANGUARD FLAME-MAX ® 30 104342 TECHNICAL SER VICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Techni- cal Service Department at 1-800-DESA LOG (1-800-337-2564). You can also visit DESA International’s Technical Service web site at www ...

  • Desa GAS LOG HEATER - page 31

    OWNER’S MANUAL 31 104342 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________ ...

  • Desa GAS LOG HEATER - page 32

    LIMITED WARRANTY VENT-FREE NATURAL GAS LOG HEATERS 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 ...

Manufacturer Desa Category Electric Heater

Documents that we receive from a manufacturer of a Desa GAS LOG HEATER can be divided into several groups. They are, among others:
- Desa technical drawings
- GAS LOG HEATER manuals
- Desa product data sheets
- information booklets
- or energy labels Desa GAS LOG HEATER
All of them are important, but the most important information from the point of view of use of the device are in the user manual Desa GAS LOG HEATER.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Desa GAS LOG HEATER, service manual, brief instructions and user manuals Desa GAS LOG HEATER. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Desa GAS LOG HEATER.

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A complete manual for the device Desa GAS LOG HEATER, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Desa GAS LOG HEATER by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Desa GAS LOG HEATER.

A complete Desa manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Desa GAS LOG HEATER - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Desa GAS LOG HEATER, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Desa GAS LOG HEATER, that we can find in the current document
3. Tips how to use the basic functions of the device Desa GAS LOG HEATER - which should help us in our first steps of using Desa GAS LOG HEATER
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Desa GAS LOG HEATER
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Desa GAS LOG HEATER in a specific country, if it was not possible to solve the problem on our own.

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