Page 2 - CONTENTS; SECTION; SAFETY; WARNINGS; DANGER; Carbon monoxide poisoning may lead to death!; Natural Gas
2 103515 CONTENTS SECTION PAGE SAFETY INFORMATION WARNING ICON G 001 WARNINGS IMPORTANT: Read this owner’s manual carefully and completely beforetrying to assemble, operate, or service this heater. Improper use of thisheater can cause serious injury or death from burns, fire, explosion,electrical sh...
Page 3 - Continued
3 103515 SAFETY INFORMATION Continued WARNING ICON G 001 WARNINGS Continued 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. If you...
Page 5 - WARNING
5 103515 LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of localcodes, use the latest edition of The National Fuel Gas Code ANSI Z223, alsoknown as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National F...
Page 6 - PROVIDING ADEQUATE VENTILATION; Unusually Tight Construction; per; AIR FOR
6 103515 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. Unusually Tight Contruction; 2. Unconfined Space...
Page 7 - Determining if You Have a Confined or Unconfined Space
7 103515 AIR FOR COMBUSTION AND VENTILATION Continued 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 adjoin...
Page 8 - Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Outdoors; Figure 2 - Ventilation Air from Inside Building; VENTILATION AIR; Ventilation Air From Inside Building
8 103515 WARNING If the area in which the heater may be operated is smaller thanthat defined as an unconfined space, provide adequate combus-tion and ventilation air by one of the methods described in theNational Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3 or appli-cable local codes. AIR FOR COMBU...
Page 9 - INSTALLING; CHECK GAS TYPE; Vent-free heaters add moisture to the air. Although this is benefi-
9 103515 WARNING Never install the heater • in a bedroom or bathroom unless installed as a vented appli- ance (see page 14) • in a recreational vehicle• where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the front, top, or sides of the heater • in high traff...
Page 10 - Minimum Wall and Ceiling Clearances (see Figure 4); should not be less than 16 inches.; LOG SIZING REQUIREMENTS
10 103515 INSTALLATION AND CLEARANCES (Vent-Free Operation Only) WARNING Maintain the minimum clearances. If you can, provide greater clear-ances from floor, ceiling, and adjoining wall. INSTALLING Continued Carefully follow the instructions below. This will ensure safe installation into amasonry, U...
Page 11 - NOTICE; Installing Damper; Minimum Non Combustible Material Clearances; If you cannot meet these minimum clearances, you must operate; Requirements for
11 103515 INSTALLING Continued Continued NOTICE Manual control heaters may be used as a vented product. If so,you must always run heater with chimney flue damper open. Ifrunning heater with damper open, non-combustible materialabove fireplace opening is not needed. Go to Installing Damper Clamp Acce...
Page 12 - If Using Mantel; Mantel Clearances
12 103515 INSTALLING Continued Minimum Non Combustible Material Clearances If Using Mantel You must have non combustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inchthick. With sheet metal, you must have non combustib...
Page 13 - Floor Clearances
13 103515 INSTALLING Continued Floor Clearances A. If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8). Figure 8 - Minimum Fireplace Clearances If Installed at Floor Level B. If combustible materials are less than 14" to th...
Page 15 - CAUTION; Make sure the heater burner is level. If heater is not level, heater; Installation Items Needed; Hold gas regulator with wrench when connecting flexible gas
15 103515 INSTALLING Continued INSTALLING HEATER BASE ASSEMBLY WARNING ICON G 001 WARNING You must secure this heater to fireplace floor. If not, heater will movewhen you adjust controls. Moving heater may cause a gas leak. WARNING ICON G 001 WARNING If installing in a sunken fireplace, special care...
Page 18 - Figure 13 - Gas Connection; CHECKING GAS CONNECTIONS; Pressure Testing Gas Supply Piping System; Test Pressures In Excess Of 1/2 PSIG; main gas valve located on or near gas meter.
18 103515 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap GasRegulator From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) A.G.A. Design-CertifiedManual Shutoff ValveWith 1/8" NPT Tap* Approved FlexibleGas Hose (if allowedby local codes) WARNING ICON G 001 CAUTION Avoid damage to re...
Page 19 - Test Pressures Equal To or Less Than 1/2 PSIG; Pressure Testing Heater Gas Connections; internal joints for leaks.; Figure 14 - Manual Shutoff Valve; Figure 15 - Checking Gas Joints
19 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. Check all joints from gas meter to manual shutoff valve (see Figure 15). ...
Page 20 - For Vintage Oak Log Model; INSTALLING LOGS
20 103515 INSTALLING Continued WARNING ICON G 001 WARNING Failure to position the parts in accordance with these diagrams or failureto use only parts specifically approved with this heater may result inproperty damage or personal injury. For Vintage Oak Log Model Each log is marked with a number. Th...
Page 21 - For Golden Oak or Birch Models; Make
21 103515 INSTALLING Continued 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...
Page 22 - FOR YOUR SAFETY READ BEFORE LIGHTING; LIGHTING INSTRUCTIONS; fireplace screen is closed before running heater.
22 103515 OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly, a fire or explosion mayresult 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, follo...
Page 23 - Do not operate heater between PILOT and HIGH positions.; VARIABLE CONTROL OPERATION; OPERATING
23 103515 WARNING ICON G 001 WARNING Do not operate heater between PILOT and HIGH positions. WARNING ICON G 001 CAUTION Do not try to adjust heating levels by using the manual shutoff valve. VARIABLE CONTROL OPERATION The variable control valve can be set to any heat setting and flame height desired...
Page 24 - TO TURN OFF GAS TO APPLIANCE; MANUAL LIGHTING PROCEDURE; INSPECTING; Check pilot flame pattern and burner flame patterns often.; PILOT FLAME PATTERN; If pilot flame pattern is incorrect, as shown in Figure 24
24 103515 OPERATING HEATER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Press in and turn control knob clockwise Clockwise to the HIGH position. 2. Turn the control knob clockwise Clockwise to the PILOT position. 3. Press in control knob and turn clockwise Clockwise to the OFF Posit...
Page 25 - Turn off heater and let cool before cleaning.; SHOOTING; Note: All troubleshooting; REMEDY; LOGS
25 103515 CLEANING AND MAINTENANCE WARNING ICON G 001 WARNING Turn off heater and let cool before cleaning. WARNING ICON G 001 CAUTION You must keep control areas, burner, and circulating air passage-ways of heater clean. Inspect these areas of heater before eachuse. Have heater inspected yearly by ...
Page 28 - If you smell gas; Operating heater where impurities in air exist may create odors.; See Warning
28 103515 TECHNICAL SERVICE You may have further questions about installation, operation, or troubleshooting.If so, contact DESA International’s Technical Service Department at1-800-DESA LOG (1-800-337-2564). TROUBLE- SHOOTING Continued WARNING If you smell gas • Shut off gas supply.• Do not try to ...
Page 29 - SERVICE; SPECIFICATIONS
29 103515 When gas pressure is too low • pilot will not stay lit • burners will have delayed ignition • heater will not produce specified heat When gas quality is bad • pilot will not stay lit • burners will produce flames and soot • heater will backfire when lit You may feel your gas pressure is to...
Page 30 - Vintage
30 103515 ILLUSTRATED PARTS 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 20-2 20-1 20 18 23
Page 31 - PARTS LIST
31 103515 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts on page 29 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 Fron...
Page 32 - Golden Oak
32 103515 ILLUSTRATED PARTS BREAKDOWN Flame-Max Golden Oak and Birch Log Models VYD24N and VYBD24N 4 20 10 11 12 20 7 20 20 5 6 9 8 15 14 16 18 2 17 13 18 3 19-2 19-1 19 17 1A 1B
Page 34 - ACCESSORIES
34 103515 ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supplythese accessories, call DESA International’s Parts Department at 1-800-972-7879for referral information. You can also write to the address listed on the back page ofthis manual. LAVA ROCK - GA6060 F...
Page 35 - NOTES
35 103515 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ____________________...
Page 36 - KEEP THIS WARRANTY; WARRANTY INFORMATION
LIMITED WARRANTY 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 thedate of first purchase, provided that the product has been properly installed, operated and maintained in accordance withall app...