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UNVENTED (VENT-FREE) FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
MANUALLY CONTROLLED REMOTE CONTROL READY
MODELS MODELS
NATURAL GAS NATURAL GAS
(V)L32(HN, LHN) (V)L36(ZNR, LZNR)
(V)L36(EN, LEN) (V)L42(ZNR, LZNR)
PROPANE/LP GAS PROPANE/LP GAS
(V)L32(HP, LHP) (V)L36(ZPR, LZPR)
(V)L36(EP, LEP) (V)L42(ZPR, LZPR)
WARNING: If the information in this manual is not fol-
lowed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use
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WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency or the gas supplier. WARNING: FOR USE ONLY WITH A LISTED DECORA- TIVE TYPE UNVENTED ROOM HEATER. DO NOT BUILD A WOOD FIRE. This appliance may be installed in an aftermarket,* per- manently located, manufactured (mob
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SAFETY INFORMATION WARNING: Do not allow fans to blow directly into the fireplace. WARNING: This product con- Avoid any drafts that alter burner tains and/or generates chemicals flame patterns. Ceiling fans can known to the state of California create drafts that alter burner to cause cancer or birth defects flame patterns. Altered burner or other reproductive harm. patterns can cause sooting. IMPORTANT: Read this owner’s Due to high temperatures, the manual carefully and completely ap
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13. Do not operate fireplace if any log is broken. SAFETY INFORMATION Do not operate fireplace if a log is chipped Continued (dime-sized or larger). 1. This appliance is only for use with the type of 14. Turn fireplace off and let cool before servicing. gas indicated on the rating plate. This appliance Only a qualified service person should service is not convertible for use with other gases. and repair fireplace. 2. Do not place propane/LP supply tank(s) in- 15. Operating fireplace above eleva
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2. Everything needed to complete installation. LOCATING FIREBOX 3. These models CANNOT be installed in a PLANNING bedroom unless the maximum Btu rating Plan where you will install the firebox. This will of the installed vent-free log set is less than save time and money later when you install the fire- 10,000 Btu/hr. box. Before installation, consider the following: 4. Proper air for combustion and ventilation 1. Where the firebox will be located. Allow for (page 7). wall and ceiling clearan
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PRODUCT SPECIFICATIONS Continued 36" AND 42" MODELS Note: If only one dimension is shown, the dimension is the same for both 36" and 42" models. Firebox Top View Left Side Outside Air View with Kit Location Air Kit (Optional) Right Side View Front View Figure 2 - Firebox Dimensions (36" and 42" Models) 6 www.desatech.com 115254-01A
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Unusually tight construction is defined as AIR FOR COMBUSTION construction where: AND VENTILATION a. walls and ceilings exposed to the out- side atmosphere have a continuous WARNING: This firebox shall water vapor retarder with a rating of -11 2 one perm (6 x 10 kg per pa-sec-m ) or not be installed in a confined less with openings gasketed or sealed space or unusually tight con- and struction unless provisions are b. weather stripping has been added on provided for adequate combus- open
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A. Rework worksheet, adding the space of an AIR FOR COMBUSTION adjoining room. If the extra space provides an AND VENTILATION unconfined space, remove door to adjoining Continued room or add ventilation grills between rooms. See Ventilation Air From Inside Building. 1. Determine the volume of the space (length x B. Vent room directly to the outdoors. See Ven- width x height). tilation Air From Outdoors, page 9. Length x Width x Height = ________ cu. ft. (volume of space) C. Install a low
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AIR FOR COMBUSTION CAUTION: Log heaters in- AND VENTILATION stalled in this firebox create warm Continued air currents. These currents move Ventilation Air From Outdoors heat to wall surfaces next to fire- Provide extra fresh air by using ventilation grills or box. Installing firebox next to vinyl ducts. You must provide two permanent openings: or cloth wall coverings or operat- one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the ing firebox wher
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INSTALLATION NOTICE: Surface temperatures Continued of adjacent walls and mantels be- B. Clearances from the top of the firebox opening to come hot during operation. Walls the ceiling should not be less than 42 inches. and mantels above the firebox C. When the firebox is installed on carpeting or may become hot to the touch. other combustible material, other than wood If installed properly, these tem- flooring, the firebox should be installed on a peratures meet the requirement metal or woo
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INSTALLATION WARNING: Do not allow Continued noncombustible materials to 1. Frame in rough opening. The firebox fram- ing should be constructed of 2 x 4 lumber or cover any necessary openings heavier. Use dimensions in Table 1 and rough like louvered slots. opening layout in Figure 7a. Adjust framing so that firebox flushes with finished wall surface. If WARNING: Use only non- installing in a corner, use dimensions in Figures 7b, 7c and 7d for rough opening. combustible mortar or adhe- 2.
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INSTALLATION 6. Install the trim kit furnished with mantel. See in- Continued struction sheet included with the mantel now. 7. If installing an optional blower accessory (cir- INSTALLING FIREBOX USING culating models only), see Installing Optional OPTIONAL ACCESSORY MANTELS Blower Accessories, page 13. 8. Carefully insert firebox into cabinet mantel. Be WARNING: A qualified ser- careful not to scratch firebox, cabinet mantel, vice person must install firebox. flooring, etc. when installing (see
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INSTALLATION Continued INSTALLING OPTIONAL BLOWER ACCESSORIES Lower NOTICE: The firebox identifica- Louver tion label (including model num- Panel ber, serial number, clearances, etc.) is located in the right side screen pocket area on the front of the firebox. See Figure 25, page 15. NOTICE: If a log set is installed Figure 12 - Accessing Blower in the firebox, disconnect log Compartment (Controls Not Shown set from gas supply and remove for Clarity) from firebox. Contact a qualified se
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INSTALLATION CAUTION: Never touch the Continued blower wheel while in operation. 2. Attach green ground wire from power cord to blower housing using screw provided (see 8. Turn on power to duplex outlet if previously Figure 14, page 13). Tighten screws securely turned off per warning on page 13. with a phillips screwdriver. 9. Plug in blower power cord to duplex outlet 3. Place the blower against the lower rear wall of (see Figure 15, page 13). the firebox outer wrapper with the exhaust
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INSTALLATION Continued HARD-WIRING FIREBOX NOTICE: A qualified electrician must connect electrical wiring to duplex outlet for built-in instal- lation. Follow all local codes. In absence of local codes fol- low The National Electric Code Figure 18 - Screw and Hood Placement ANSI/NFPA 70. (Model May Vary From Illustration) The “Handy Box” with duplex outlet is provided in the firebox located in the lower right base area. Top View of Rod Layout 1. Remove screw holding duplex outlet cover to
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For propane/LP units, the installer must supply INSTALLATION an external regulator. The external regulator will Continued reduce incoming gas pressure. You must reduce CONNECTING TO GAS SUPPLY incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pres- WARNING: This appliance sure, heater regulator damage could occur. Install external regulator with the vent pointing down requires a 1/2" NPT (National as shown in Figure 20. Pointing the vent down
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CSA Design-Certified INSTALLATION Equipment Shutoff Valve Continued with 1/8" NPT Tap* We recommend that you install a sediment trap in Approved Propane/LP Flexible supply line as shown in Figures 21 and 22, depend- - From External Gas Hose (if ing on your model. Locate sediment trap where it is Regulator allowed by within reach for cleaning. Install in piping system (11" W.C.** to 14" local codes) between fuel supply and heater. Locate sediment W.C. Pressure) trap where trapped matte
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Equipment Shutoff Valve INSTALLATION Continued Propane/LP Supply Tank PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage Control Valve Location heater regulator. Figure 24 - Checking Gas Joints 2. Cap off open end of gas pipe where equipment (Propane/LP Gas Only) shutoff val
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2. Place rear log on rear of chassis (see Figure 26). INSTALLATION Slide log forward so that it sits against rear posts Continued on chassis. IMPORTANT: Make sure logs do INSTALLING LOGS not cover any burner ports (see Figure 27). (Models (V)L32HN, (V)L32LHN. 3. Place lava rock around base of heater if desired. (V)L32HP and (V)L32LHP Two Piece Log Set Burner Ports WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approve
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INSTALLING LOGS INSTALLATION Models (V)L36(ZNR, LZNR, ZPR, LZPR) Continued and (V)L42(ZNR, LZNR, ZPR, LZPR) 3. Slide groove on back of rear log against the rear grate prongs. Make sure the peg on the log is on top (see Figure 30). WARNING: Failure to posi- 4. Place the crossover log on the rear and middle tion the parts in accordance logs. Make sure peg on rear log is in the hole in with these diagrams or failure bottom of crossover log. The crossover log should to use only parts specifi
