valutazioni - 3, GPA: 3.7
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Attach4"(102mm)oval,doublewall ventpipetobaseplate.Attach enough vent pipe so that when installed in wall opening the vent pipe will extend above the ceiling plate by at least 6" (152mm). Install ceiling spacers according to manufacturer's instructions. Insert header plate with attached 4" oval, double wall vent pipe into wall opening. Position header plate at height shown in Figure 2. Locate rear edge of nailing flange at the back of the 2" x 4" stud which will center the vent collar in the wall. Locate the angled edge of header plate flush with the top of the wall opening. Nail header plate to the wall studs. Page 8 12425-7-0406 12425-7-0406 Page 9 62 1/4” (1581 mm) 14 .” (368 mm) Figure 2 66 1/8” (1679mm) WALL OPENING Figure 3 FINISHING INSTRUCTIONS Plastering (Figure 4) In new construction use only plain (not perforated) gypsum lath around furnace and vent pipe so that plaster "Keys" will not project into wall space. Use wood strips nailed to inside of studs and top of bottom plate. These must be removed before installation of furnace. Lath and plaster against top projection of Header Plate. Do not allow wall finish materials to project into furnace recess. 66 1/8” (1679mm) WALL OPENING 14 .” (368 mm) Figure 4 Installing Furnace (Figure 5) Clear the recess of all debris, and remove any wood plaster-grounds. Stand the furnace on floor in front of wall opening. Insert furnace flue into rectangular opening in header plate and raise furnace carefully (see Figure 5). Swing bottom of furnace into wall opening with back of legs flush with rear of floor plate. Secure furnace support legs to the floor plate. Figure 5 Page 10 12425-7-0406 Figure 6 IMPORTANT — Avoid securing too tightly and disturbing the inner casing. Do not try to force furnace into a wall opening which is smaller than specified dimension. OUTER CASING (Figure 6) 1. Align 1 3/4" slot on casing bracket with bottom screw hole on inner casing. Attach casing bracket to inner casing with one (1) 10 x 1/2" screws for each casing bracket. Do not completely tighten screws at this time. 2. Place outer casing onto header. Attention: Use center clearance hole on outer casing top for attachment to header with one (1) 8 x 3/8" Phillips screw when optional blower is not installed. Attention: Use outside clearance holes on outer casing top for attachment to header with two (2) 8 x 3/8" Phillips screws when optional blower is installed. 3. Align clearance holes on outer casing bottom with screw holes on casing brackets by adjusting slots on casing brackets. 4. Complete tightening casing bracket screws from Step 1 to inner casing at this time. 5. Attach outer casing to casing brackets with two (2) 10 x 1-1/2" screws. INSTALLING CONTROL DOOR Attach two washers supplied in hardware package to pivot pins located at bottom of control door. Install control door to outer casing assembly. . FINISHING INSTRUCTIONS (continued) THERMOSTAT LOCATION (SG MODELS) CAUTION — Do not run wire behind flanges of Header Plate Connect thermostat wires to gas valve as shown in Figure 7. or in any location where it might be damaged. Millivolt wall thermostats are specially designed for use on self- generating systems. They should never be used on line or low voltage A.C. circuits. Interior Wall — The thermostat should be installed on an inside wall away from the furnace but in the same room. Note: Use 16 gauge wire to prevent excessive loss of millivolts. Proper operation depends on a good pilot flame. The flame must cover the top of the thermopile. Cleaning of the pilot orifice and burner may be required due to spiders. System Check (Figure 7) A millivolt meter is required to check the system. Millivolt readings should be: • Across the thermopile terminals, 400-450 millivolts with thermostat OFF. • Across the thermopile terminals, 150-250 millivolts with thermostat ON. • Across the thermostat wires at the valve, less than 30 millivolts with thermostat ON. • Across the thermostat wires at the thermostat, less than 5 millivolts with thermostat ON. (Dirty pilot or low pressure will reduce readings.) Figure 7 12425-7-0406 Page 11 LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. B. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. C. • If you cannot reach your gas supplier, call the fire department. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don't try to repair it; call a qualified service technician. Force or attempted repair may result in a fire or explosion. WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • ...
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