Desa UNVENTED (VENT-FREE) PROPANE GAS LOG HEATER - Manuals

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

2 101309 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 101309 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; PROVIDING ADEQUATE VENTILATION; Unusually Tight Construction; and; Unconfined Space

5 101309 AIR FOR COMBUSTION AND VENTILATION WARNING This heater shall not be installed in a confined space unlessprovisions are provided for adequate combustion and ventilationair. Read the following instructions to insure proper fresh air forthis and other fuel-burning appliances in your home. Toda...

Page 6 - Determining if You Have a Confined or Unconfined Space

6 101309 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 7 - VENTILATION AIR; Ventilation Air From Inside Building; Figure 3 - Ventilation Air from Outdoors; Ventilation Air From Outdoors; Figure 2 - Ventilation Air from Inside Building

7 101309 AIR FOR COMBUSTION AND VENTILATION Continued WARNING ICON G 001 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 Z22...

Page 8 - INSTALLING; Never install the heater; CHECK GAS TYPE

8 101309 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 9 - LOG SIZING REQUIREMENTS; Minimum Wall and Ceiling Clearances (see Figure 4); should not be less than 16 inches.

9 101309 INSTALLING Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Figure 4 - Minimum Clearance to Wall and Ceiling Continued WARNING Maintain the minimum clearances. If you can, provide greater clear-ances from floor, ceiling, and adjoining wall. LOG SIZING REQUIREMENTS Log Minimu...

Page 10 - NOTICE; Installing; Minimum Non Combustible Material Clearances; If you cannot meet these minimum clearances, you must operate; Requirements for

10 101309 Heat ResistantMaterial (A) INSTALLING Continued NOTICE Manual control heaters may be used as a ventedproduct. If so, you must always run heater withchimney flue damper open. If running heater withdamper open, non-combustible material abovefireplace opening is not needed. Go to Installing D...

Page 11 - If Using Mantel; Non Combustible; Mantel Clearances

11 101309 Minimum Non-Combustible Material Minimum Non-Combustible Material Height Distances to Underside ofMantel Top of FireplaceOpening Underside ofMantel Shelf 12" 8" (A) 20" 14" 24 1/2 " 16 3/4 " 27 1/2 " 18 1/2 " 30" 20" All minimum distances arein inche...

Page 12 - Floor Clearances

12 101309 14"Min. Combustible Material Non-Combustible Material Hearth 5"Min. Combustible Material Minimum Non-Combustible Material 8"Min. 12" 15" 18" All minimum distances arein inches Log Sets 18", 24", & 30" Models 20" 2 1 /2 " 6" 8" 10"...

Page 14 - CAUTION; Installation Items Needed; flexible gas hose to gas regulator of heater (see Figure 11).

14 101309 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 15 - Figure 12 - Attaching Mounting Brackets to Heater; CONNECTING TO GAS SUPPLY; • external regulator (supplied by

15 101309 INSTALLING Continued MountingBracket Masonry Screw Figure 12 - Attaching Mounting Brackets to Heater 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 ...

Page 16 - Figure 13 - External Regulator With Vent Pointing Down

16 101309 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 17 - 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

17 101309 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 18 - Test Pressures Equal To or Less Than 1/2 PSIG; Pressure Testing Heater Gas Connections; Figure 15 - Manual Shutoff Valve; Figure 16 - Checking Gas Joints

18 101309 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 19 - INSTALLING LOGS

19 101309 INSTALLING Continued WARNING ICON G 001 WARNING Failure to position the parts in accordance with these diagrams orfailure to use only parts specifically approved with this heater mayresult in property damage or personal injury. Each log is marked with a number. These numbers will help you ...

Page 20 - Controlled Models; FOR YOUR SAFETY READ BEFORE LIGHTING; LIGHTING INSTRUCTIONS; fireplace screen is closed before running heater.

20 101309 OPERATING HEATER Thermostat- Controlled Models 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Turn control knob clockwise Clockwise to the OFF position. Figure 21 - Control Knob and Ignitor Button Location Control Knob Ignitor Button 4. Wait...

Page 21 - TO TURN OFF GAS TO APPLIANCE; Shutting Off Heater; Shutting Off Burners Only (pilot stays lit); THERMOSTAT CONTROL OPERATION

21 101309 OPERATING HEATER Thermostat- Controlled Models Continued 5. Turn control knob counterclockwise C-clockwise to the PILOT position. Press in control knob for five (5) seconds (see Page 20). Note: You may be running this heater for the first time after hooking up to gas supply. If so, the con...

Page 22 - Models

22 101309 OPERATING HEATER Manually-Controlled Models Control Knob Ignitor Button Figure 23 - Control Knob and Ignitor Button Location 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 above. If y...

Page 23 - MANUAL LIGHTING PROCEDURE

23 101309 OPERATING HEATER Manually-Controlled Models Continued 5. Press in control knob and turn counterclockwise C-clockwise to the PILOT position. Keep control knob pressed in for five (5) seconds (see Figure 23). Note: You may be running this heater for the first time after hooking up to gas sup...

Page 24 - Check pilot flame pattern and burner flame patterns often.; PILOT FLAME PATTERN; If pilot flame pattern is incorrect, as shown in Figure 26; FRONT BURNER FLAME PATTERN; If front burner flame pattern is incorrect, as shown in Figure 28

24 101309 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 25 shows a correct pilot flame pattern. Figure 26 shows an incorrect pilot flamepattern. The incorrect pilot flame is not touching the thermocouple. This will cause thethermocouple to c...

Page 25 - Turn off heater and let cool before cleaning.; SHOOTING; REMEDY; ODS/PILOT AND BURNERS

25 101309 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, burners, 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 101309 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 - For Masonry and

29 101309 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB For Masonry and Factory-built Metal Fireplace If your log set cycles to pilot, but the room temperature drops to a lower thanideal comfort level before the log set comes back on, you may want to reposi-tion the thermostat sensing bulb. The th...

Page 30 - Figure 34 - Installing Thermostat Sensing Bulb behind Glass Doors; Do not crimp capillary.; with the Capillary at the Bottom

30 101309 OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB For Masonry and Factory-built Metal Fireplace Continued Adhesive-backedMounting Clip Figure 32 - Locating Thermostat Sensing Bulb on Masonry Fireplace ThermostatSensing Bulb If you have a factory-built metal fireplace, see Figure 33 for locat...

Page 31 - SPECIFICATIONS; Controlled; SERVICE

31 101309 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). 18" Thermostat- 24" Thermostat- 30" Thermostat-Controlled Controlled Controlled...

Page 32 - age for parts replaced under warranty.; Parts Under Warranty; Parts Not Under Warranty; When calling DESA International, have ready; REPLACEMENT

32 101309 Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replacementpart(s), call DESA International’s Technical Service Department...

Page 33 - ACCESSORIES

33 101309 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 information. You can also write to the address listed on the back page of thismanual. MANUAL SHUTOFFVALVE - GA5010 ...

Page 35 - PARTS LIST

35 101309 PARTS LIST Manually-Controlled Models This list contains replaceable parts used in your heater. When ordering parts, followthe instructions listed under Replacement Parts on page 32 of this manual. KEY PART NUMBER FOR NO. VL18P/CF18P VL24P/CF24P VL30P/CF30P DESCRIPTION QTY. 1 101337-01 101...

Page 38 - NOTES

Page 40 - 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...