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

Page 2 - CONTENTS; SECTION; SAFETY; WARNINGS; DANGER; Carbon monoxide poisoning may lead to death!; Propane Gas

2 103310 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 103310 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. Do not...

Page 5 - WARNING

5 103310 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; Unusually tight construction is defined as construction where:; Unconfined Space; AIR FOR

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...

Page 7 - Determining if You Have a Confined or Unconfined Space

7 103310 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 - VENTILATION AIR; Ventilation Air From Inside Building; Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Outdoors; Figure 2 - Ventilation Air from Inside Building

8 103310 AIR FOR COMBUSTION AND VENTILATION Continued 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 ...

Page 9 - INSTALLING; Never install the heater; Vent-free heaters add moisture to the air. Although this is benefi-; CHECK GAS TYPE

9 103310 INSTALLING NOTICE A qualified service person must install heater. Follow all local codes. WARNING ICON G 001 WARNING Before installing in a solid fuel burning fireplace, the chimney flueand firebox must be cleaned of soot, creosote, ashes and loose paintby a qualified chimney cleaner. Creos...

Page 10 - LOG SIZING REQUIREMENTS; Minimum Wall and Ceiling Clearances (see Figure 4); should not be less than 16 inches.

10 103310 INSTALLING Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Figure 4 - Minimum Clearance to Wall and Ceiling WARNING Maintain the minimum clearances. If you can, provide greater clear-ances from floor, ceiling, and adjoining wall. LOG SIZING REQUIREMENTS Log Minimum Firebox...

Page 11 - NOTICE; Installing Damper; Minimum Non Combustible Material Clearances; If you cannot meet these minimum clearances, you must operate; Requirements for

11 103310 INSTALLING 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 Accessory for ...

Page 12 - If Using Mantel; Mantel Clearances

12 103310 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 103310 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; Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator; Installation Items Needed; Hold gas regulator with wrench when connecting flexible gas hose.

15 103310 INSTALLING Continued INSTALLING HEATER BASE ASSEMBLY WARNING ICON G 001 WARNING If installing in a sunken fireplace, special care is needed. Youmust raise the fireplace floor to allow access to heater controlpanel. This will insure adequate air flow and guard against soot-ing. Raise firepl...

Page 16 - • external regulator (supplied by; Figure 12 - Attaching Base Assembly to Fireplace Floor

16 103310 INSTALLING 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 heaterrequires an external regulator (not supplied). Install the ex...

Page 17 - Figure 13 - External Regulator With Vent Pointing Down

17 103310 INSTALLING Continued The installer must supply an external regulator. The external regulator will reduceincoming gas pressure. You must reduce incoming gas pressure to between 11 and14 inches of water. If you do not reduce incoming gas pressure, heater regulatordamage could occur. Install ...

Page 18 - Figure 14 - Gas Connection; Pressure Testing Gas Supply Piping System; Test Pressures In Excess Of 1/2 PSIG; Connecting to Gas Sup-; CHECKING GAS CONNECTIONS

18 103310 Tee Joint Pipe Nipple Cap 3" Minimum Sediment Trap GasRegulator From External Regulator (11" W.C.** to 14" 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 dama...

Page 19 - opening propane supply tank valve.; Test Pressures Equal To or Less Than 1/2 PSIG; propane supply tank valve.; Pressure Testing Heater Gas Connections; internal joints for leaks.; Figure 15 - Manual Shutoff Valve; Figure 16 - Checking Gas Joints

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....

Page 20 - INSTALLING LOGS; For Standard Oak Model

20 103310 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. INSTALLING LOGS For Standard Oak Model Each log is marked with...

Page 21 - For Premium Models; Make

21 103310 INSTALLING 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...

Page 22 - FOR YOUR SAFETY READ BEFORE LIGHTING; LIGHTING INSTRUCTIONS; fireplace screen is closed before running heater.

22 103310 OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING ICON G 001 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 lighti...

Page 23 - Do not operate heater between PILOT and HIGH positions.; VARIABLE CONTROL OPERATION; OPERATING

23 103310 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 25

24 103310 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 103310 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 103310 TROUBLE- SHOOTING Continued WARNING ICON G 001 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 n e i g h b o r ’ s p h o n e . F o l l...

Page 29 - SPECIFICATIONS; When gas pressure is too low; age for parts replaced under warranty.

29 103310 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). SPECIFICATIONS Standard Standard Premium Oak Oak Oak and Birch 18" Variable 24" Var...

Page 30 - Standard Oak Models

30 103310 ILLUSTRATED PARTS 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

Page 31 - PARTS LIST

31 103310 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. VYS18P VYS24P DESCRIPTION QTY. 1 102968-01 102968-02 Back Log (#1) 1 2 102969-01 102969-02 Fron...

Page 32 - Premium Oak

32 103310 ILLUSTRATED PARTS 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

Page 34 - ACCESSORIES

34 103310 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. BLACK FIREPLACEHOOD ...

Page 35 - NOTES

35 103310 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ____________________...

Page 36 - KEEP THIS WARRANTY; WARRANTY INFORMATION; LIMITED WARRANTY

KEEP THIS WARRANTY WARRANTY INFORMATION 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 standardwritten warranty. We make no other warranty, expressed or im...