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Manafacture: Desa File size: 314.57 kb File name: ea76bc04-132c-fa94-b9be-4825eb89b035.pdf Language of manual:

Figure 2 - Ventilation Air From Inside Building If Applicable Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adjoining Room, Option 1 Outlet Inlet Air Air Figure 3 - Ventilation Air From Outdoors 105056 5 BLUE-FLAME VENT-FREE PROPANE/LP AND NATURAL GAS GREENHOUSE CO2 GENERATOR INSTALLATION NOTICE: The intended use of this appliance is the generation of carbon dioxide inside greenhouses for plant production. NOTICE: A qualified service person must install appliance. Follow all local codes. CHECK GAS TYPE Only use gas type specified on rating plate. If your gas supply is different, do not install appliance. Call dealer where you bought appliance for proper type appliance. INSTALLATION ITEMS Before installing appliance, make sure you have the items listed below. • external regulator (Propane/LP Only, supplied by installer) • piping (check local codes) • sealant (resistant to propane/LP gas) • manual shutoff valve * • ground joint union • test gauge connection * (see Figure 13, page 8) • sediment trap • tee joint • pipe wrench * An A.G.A. or C.G.A. design certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional A.G.A. or C.G.A. design certified manual shutoff valve from your dealer. See Accessories, page 15. LOCATING APPLIANCE This appliance is designed to be mounted on a wall. WARNING: Maintain the minimum clearances shown in Figure 4. If you can, provide greater clearances from floor, ceiling, and joining wall. WARNING: Never install the CO2 generator • in a home • in a recreational vehicle • where flammable objects are less than 36 inches from the front, top, or sides of the appliance • in high traffic areas • in windy or drafty areas CEILING 36" Minimum Right Minimum To Floor FLOOR *16 3/4" * 6" Minimum From Sides Of Heater Left Side Side Figure 4 - Mounting Clearances As Viewed From Front of Appliance IMPORTANT:Vent-free CO2 generators add carbon dioxide and moisture to the air. CAUTION: • appliance pilot and burner must be at least 18 inches above floor • locate appliance where moving vehicle will not hit it For convenience and efficiency, install CO2 generator • where there is easy access for operation, inspection, and service • where strong wind gusts from an open door or ventilator can not blow directly into appliance. INSTALLING APPLIANCE TO WALL Mounting Bracket The mounting bracket is located on back panel of appliance. It has been taped there for shipping. Remove mounting bracket from back panel. Mounting Bracket Figure 5 - Mounting Bracket Location Removing Front Panel Of CO2 Generator 1. Remove two screws near bottom corners of front panel. 2. Lift straight up on grill guard until it stops. Grill guard will slide up about 1/4". 3. Pull bottom of front panel forward, then down. 4. Remove cardboard packing from grill and heat shield. Figure 6 - Removing Front Panel Of CO2 Generator Methods For Attaching Mounting Bracket To Wall Only use last hole on each end of mounting bracket to attach bracket to wall. These two holes are 16 inches apart from their centers. Attach mounting bracket to wall in one of two ways. 1. Attaching to wall stud 2. Attaching to wall anchor Attaching to Wall Stud: This method provides the strongest hold. Insert mounting screws through mounting bracket and into wall studs. Attaching to Wall Anchor: This method allows you to attach mounting bracket to hollow walls (wall areas between studs) or to solid walls (concrete or masonry). Decide which method better suits your needs. Either method will provide a secure hold for the mounting bracket. Continued 6 105056 OWNER’S MANUAL INSTALLATION Continued Marking Screw Locations 1. Tape mounting bracket to wall where appliance will be located. Make sure mounting bracket is level. WARNING: Maintain minimum clearances shown in Figure 7. If you can, provide greater clearances from floor and joining wall. 2. Mark screw locations on wall (see Figure 7). Note:Only mark last hole on each end of mounting bracket. Insert mounting screws through these holes only. 3. Remove tape and mounting bracket from wall. 32 1/2" Min. 11" Min. 16" Adjoining WallOnly Insert Mounting Screws Through Last Hole On Each End Floor Figure 7 - Mounting Bracket Clearances Attaching Mounting Bracket To Wall Note:Wall anchors, mounting screws, and spacers are in hardware package. The hardware package is provided with appliance. Attaching to Wall Stud Method For attaching mounting bracket to wall studs 1. Drill holes at marked locations using 9/64" drill bit. 2. Place mounting bracket onto wall. Line up last hole on each end of bracket with holes drilled in wall. 3. Insert mounting screws through bracket and into wall studs. 4. Tighten screws until mounting bracket is firmly fastened to wall studs. Attaching to Wall Anchor Method For attaching mounting bracket to hollow walls (wall areas between studs) or solid walls (concrete...

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