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

Save this manual for future reference. DESA INTERNA TIONAL UNVENTED (VENT -FREE) PROP ANE GAS LOG HEA TER ® 18", 24", and 30" Log Sets Thermostat and Manually-Controlled Models (Manually Control Models Also Designed Certified as V ented Decorative Appliance) This appliance may be installed in an aftermarket* manufactured (mobile) ho[...]

2 101309 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. WARNING[...]

3 101309 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 101309 PRODUCT IDENTIFICA TION Front Log Control Knob Figure 1 - Vent-Free Gas Log Heater Piezo Ignitor Front Burner Rear Log Rear Burner Left Front Branch Right Front Branch Base Assembly 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 [...]

5 101309 AIR FOR COMBUSTION AND VENTILA TION W ARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Today’s homes are built more energy efficient t[...]

6 101309 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[...]

7 101309 AIR FOR COMBUSTION AND VENTILA TION Continued WARNING ICON G001 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 Ventil[...]

8 101309 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[...]

9 101309 INST ALLING Continued INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Figure 4 - Minimum Clearance to Wall and Ceiling Continued 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 Re[...]

10 101309 Heat Resistant Material (A) 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, [...]

11 101309 Minimum Non- Combustible Material Minimum Non- Combustible Material Height Distances to Underside of Mantel Top of Fireplace Opening Underside of Mantel Shelf 12" 8" (A) 20" 14" 24 1 /2 " 16 3 /4 " 27 1 /2 " 18 1 /2 " 30" 20" All minimum distances are in inches Log Set 24"/30" Mo[...]

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 are in inches Log Sets 18", 24", & 30" Models 20" 2 1 /2 " 6" 8" 10" 12" Distances to Undersid[...]

13 101309 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[...]

14 101309 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[...]

15 101309 INST ALLING Continued Mounting Bracket 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 G001 CAUTION Never connect heater directly to the propane supply. This heater requires an external regulat[...]

16 101309 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[...]

17 101309 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 [...]

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. 6. Re-connect heater and manual shutoff valve to [...]

19 101309 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. Each log is marked with a number. These numbers will help you identify the log when installing. It is very i[...]

20 101309 OPERA TING HEA TER 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 five (5) minutes to clear out any gas. Then sme[...]

21 101309 OPERA TING HEA TER 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 control knob may need to be pressed in for 30 secon[...]

22 101309 OPERA TING HEA TER 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 you don’t smell gas, go to the next step. F[...]

23 101309 OPERA TING HEA TER 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 supply. If so, the control knob may need to be pres[...]

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 flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater wil[...]

25 101309 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, burners, 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 mor[...]

26 101309 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 101309 TROUBLE- SHOOTING Continued OBSERVED PROBLEM One or both burners do not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burners are lit REMEDY[...]

28 101309 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 101309 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 reposi- tion the thermostat sensing bulb. The thermostat sensing bulb is located on the gas v [...]

30 101309 OPTIONAL POSITIONING OF THERMOST A T SENSING BULB For Masonry and Factory-built Metal Fireplace Continued Adhesive-backed Mounting Clip Figure 32 - Locating Thermostat Sensing Bulb on Masonry Fireplace Thermostat Sensing Bulb If you hav e a factory-built metal f ireplace, see Figure 33 for location. Adhesive-backed Mounting Clip Thermosta[...]

31 101309 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). 18" Thermostat- 24" Thermostat- 30" Thermostat- Controlled Controlled Controlled Btu (Variable) 16,000/26,000 20,000/33,0[...]

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 replacement part(s), call DESA International’s Technical Service Department at 1-800-323-5190. When calling DESA Interna[...]

33 101309 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 information. You can also write to the address listed on the back page of this manual. MANUAL SHUTOFF VALVE - GA5010 For all models. Manual shutoff valve with 1/[...]

34 101309 ILLUSTRA TED P ARTS BREAKDOWN Manually-Controlled Models 6 7 8 9 10 11 8 8 27 13 12 13 14 15 16 18 17 19 20 21 22 23 24 25 26 27 6 28 29 30 7-1 7-2 10-1 10-2 1 2 3 4 5[...]

35 101309 P ARTS LIST Manually-Controlled Models This list contains replaceable parts used in your heater. When ordering parts, follow the 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 101337-02 101337-03 Rear Log (#1) 1 2 101336-01 101[...]

36 101309 ILLUSTRA TED P ARTS BREAKDOWN Thermostat- Controlled Models 31 6 25 6 7 8 9 10 11 8 8 29 13 12 13 14 15 16 18 17 19 24 26 27 7-1 7-2 29 22 23 21 28 20 30 3 1 2 4 5 10-1 10-2[...]

37 101309 P ARTS LIST Thermostat- Controlled Models This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. KEY PART NUMBER FOR NO. VL18PT/CF18PT VL24PT/CF24PT VL30PT/CF30PT DESCRIPTION QTY. 1 101337-01 101337-02 101337-03 Rear Log (#1) 1 2 1013[...]

38 101309 NOTES[...]

39 101309 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 [...]