Desa UNVENTED (VENT-FREE) PROPANE/LPGAS LOG HEATER manual

Save this manual for future reference. DESA INTERNA TIONAL UNVENTED (VENT -FREE) PROP ANE/LP GAS LOG HEA TER 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 vicin[...]

2 103310 CONTENTS SECTION PAGE SAFETY INFORMA TION WARNING ICON G 001 W ARNINGS IMPORTANT: Read this owner ’ s manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. WARNI[...]

3 103310 SAFETY INFORMA TION Continued WARNING ICON G 001 W ARNINGS 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. Do not place propane supply tank(s) inside any structu[...]

4 103310 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  Premium Golden Oak Logs Flame-Max  Premium Birch Logs Control Knob Piezo Ignitor One Piece Log Set One Piece Log Set Control Knob Piezo Ignitor Burner As[...]

5 103310 LOCAL CODES 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. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc. Batterymarch Pa[...]

6 103310 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; 3. Confined Space. The information on pages 5 t[...]

7 103310 AIR FOR COMBUSTION AND VENTILA TION 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 adjoining rooms with doorless passageways or ventilatio[...]

8 103310 AIR FOR COMBUSTION AND VENTILA TION Continued W ARNING 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. VENTILATION AIR Ventilation Air From Ins[...]

9 103310 INST ALLING NOTICE A qualified service person must install heater. Follow all local codes. WARNING ICON G 001 W ARNING 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. Creosote will ignite if highly heated. Inspect chim[...]

10 103310 INST ALLING Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Figure 4 - Minimum Clearance to Wall and Ceiling W ARNING Maintain the minimum clearances. If you can, provide greater clear- ances from floor, ceiling, and adjoining wall. LOG SIZING REQUIREMENTS Log Minimum Firebox Size Size Height Depth Front Width 18" 17[...]

11 103310 INST ALLING Continued 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, non-combustible material above fireplace opening is not needed. Go to Installing Damper Clamp Accessory for Vented Operation, page 14. Minimum Non Combust[...]

12 103310 INST ALLING 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[...]

13 103310 INST ALLING 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 the fireplace, you must install appliance at leas[...]

14 103310 INST ALLING 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. Th[...]

15 103310 INST ALLING Continued INSTALLING HEATER BASE ASSEMBLY WARNING ICON G 001 W ARNING If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. This will insure adequate air flow and guard against soot- ing. Raise fireplace floor with non-combustible material. Make[...]

16 103310 INST ALLING Continued CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. WARNING ICON G 001 CAUTION Never connect heater directly to the propane supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane[...]

17 103310 INST ALLING Continued The installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pressure, heater regulator damage could occur. Install external regulator with the vent pointing down[...]

18 103310 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap Gas Regulator From External Regulator (11" W.C.** to 14" 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) WARNING ICON G 001 CAUTION Avoid damage to regulator. Hold gas regulator with [...]

19 103310 ON POSITION OFF POSITION 3. Pressurize supply piping system by either using compressed air or opening propane supply tank valve. 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. 6. Re-connect heater and manual shutoff valve to [...]

20 103310 INST ALLING Continued WARNING ICON G 001 W ARNING 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. INSTALLING LOGS For Standard Oak Model Each log is marked with a number. These numbers will help you identif[...]

21 103310 INST ALLING Continued For Premium 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 20. Make sure middle section at bottom of log set is seated into “U”-shaped cutout in center of chassis (s[...]

22 103310 OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING ICON G 001 W ARNING 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 exactl[...]

23 103310 WARNING ICON G 001 W ARNING 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. V ARIABLE CONTROL OPERA TION The variable control valve can be set to any heat setting and flame height desired, by simply turning the control knob until that[...]

24 103310 OPERA TING HEA TER Continued T O 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 Position. Shutting Off Burners Only (pilot stays lit[...]

25 103310 CLEANING AND MAINTENANCE WARNING ICON G001 W ARNING 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 each use. Have heater inspected yearly by a qualified service person. Heater may need more[...]

26 103310 TROUBLE- SHOOTING Continued REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Turn control knob to PILOT position 3 . Press in control knob while in PILOT position 4. Continue holding down control knob. Repeat igniting operation until air is removed 5. Contact local propane gas company 6. Clean ODS/pilot (see Cleaning and Maint[...]

27 103310 TROUBLE- SHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burner is lit Moisture/condensation noticed on windows REMEDY 1. Contact local natural gas company 2. C[...]

28 103310 TROUBLE- SHOOTING Continued WARNING ICON G 001 W ARNING 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. • If you c[...]

29 103310 TECHNICAL SER VICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). SPECIFICA TIONS Standard Standard Premium Oak Oak Oak and Birch 18" Variable 24" Variable 24" Variable Manually- Manually[...]

30 103310 ILLUSTRA TED P ARTS BREAKDOWN Flame-Max  Standard Oak Models VYS18P and VYS24P 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[...]

31 103310 P ARTS LIST 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 PART NUMBER FOR NO. VYS18P VYS24P DESCRIPTION QTY. 1 102968-01 102968-02 Back Log (#1) 1 2 102969-01 102969-02 Front Log (#2) 1 3 102970-01 102970-02 Crossover Log[...]

32 103310 ILLUSTRA TED P ARTS BREAKDOWN Flame-Max  Premium Oak and Birch Log Models VYD24P and VYBD24P 5 21 11 12 13 21 8 21 21 6 7 10 9 16 15 17 19 2 18 14 19 3 20-2 20-1 20 18 4 1A 1B[...]

33 103310 KEY PART NUMBER FOR NO. VYD24P VYBD24P DESCRIPTION QTY. 1A 103334-01 – Log, Premium Oak 1 1B – 103335-01 Log, Premium Birch 1 2 098276-01 098276-01 Hex Head Plug, 1/8" NPT 1 3 098249-01 098249-01 Nut, M5 2 4 099553-01 099553-01 Pilot Shield 1 5 102774-01BR 102774-01BR Painted Base Assembly 1 6 102844-01 102844-01 Lower Bracket 1 [...]

34 103310 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. BLACK FIREPLACE HOOD - GA6050 For all models. Helps deflect heat [...]

35 103310 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ____[...]

KEEP THIS WARRANTY W ARRANTY INFORMA TION 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. Model Serial No. Date Purchased LIMITED [...]