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Resumen del manual
• ••••• Collector Venting While it is preferable to exhaust tumblers individually to outdoors, a main collector duct may be used if it is sized according to Figure 3. NOTE: This illustration indicates minimum diameters, and should be increased if collector length exceeds 20 feet (6.1 m). Collector duct may be rectangular in cross section, as long as area is not reduced. Provisions should be made for lint removal and cleaning of collector duct. Collector duct must be tapered, as shown in Figure 3.Individual tumbler ducts must enter the collector duct at a 45° angle in direction of air flow. Never connect a tumbler duct at a 90° angle to collector duct. Doing so will cause excessive back pressure, resulting in poor performance. Never connect two tumbler exhaust ducts directly across from each other at point of entry to collector duct. Collector system must be designed so static back pressure measured 12 inches (30.5 cm) from exhaust thimble does not exceed maximum allowable pressure specified on installation sticker on rear of tumbler. Measured with all tumblers running that are vented into collector. MAKE-UP AIR A tumbler is forced air exhausted and requires provisions for make-up air to replace the air exhausted by tumbler. Manufacturer’s recommended make-up air opening for each tumbler is 144 square inches (928 sq. cm) for 30 and 50 pound tumblers and 195 square inches (1258 sq. cm) for 75 pound tumblers. At a minimum, tumblers must have at least 1 in2 (2.54 cm2) of opening for every 1000 BTU/hr (252 Kcal/hr) of input rating for proper combustion. Example: A tumbler with a rated input of 120,000 BTU/hr (30,240 Kcal) requires 120 in2 (774 cm2) of free opening. Protective louvers in opening to outdoors can reduce air movement by approximately 40%. Opening must compensate for area taken up by louvers. Make-up air openings for a room containing tumbler(s) and/or gas fired hot water heater or other gravity vented appliances must be increased sufficiently to prevent downdrafts in any vents when all tumblers are in operation. Do not locate gravity vented appliances between tumbler(s) and make-up air openings. If it is necessary to duct make-up air to tumbler(s), increase area of work by 25% to compensate for any restriction in air movement. 32 M412616 WARNING WARNINGWARNINGWARNINGWARNINGWARNING Solvent gases and vapors from dry cleaning machines create acids when drawn through the heater of a drying tumbler. These acids are corrosive to the drying tumbler as well as to the laundry load being dried. Be sure make-up air is free of solvent gases and vapors. If the dry cleaning machines are in the same area as the tumbler, then the tumbler make-up air must come from a source free of solvent gases and vapors. WARNING WARNINGWARNINGWARNINGWARNINGWARNING To reduce the risk of fire and accumulation of combustible gases, DO NOT exhaust tumbler air into a window well, gas vent, chimney or enclosed, unventilated area such as an attic wall, ceiling, crawl space under a building, or concealed space of a building. T108IE3A ONE TUMBLER TWO TUMBLERS THREE TUMBLERS T108IE3B NOTE: Inside of duct shall be smooth. Do not use sheet metal screws to join sections. NOTE: Do not install wire mesh or screen in this opening as lint will build up and prevent proper discharge of air from tumblers. ROOF 30" (76.2 CM) ROOF 30" (76.2 cm) CEILING WALL 36 INCHES (91.4 cm) RECOMMENDED SERVICE AREA 24 INCHES (61.0 cm) MINIMUM PARTITION OR BULKHEAD REMOVABLE STRIP OF PANEL IN FRAMING WALL TO PERMIT REMOVAL OF TUMBLER FROM FRAMING WALL CONSULT YOUR LOCAL BUILDING CODE FOR REGULATIONS WHICH MAY ALSO APPLY T075IE3A FOR BEST PERFORMANCE Provide an individual exhaust duct for each tumbler. Do not install a hot water heater in room containing tumblers. It is better to have the water heater in a separate room with a separate air inlet. Figure 1 M412616 33 VERTICAL EXHAUST INSTALLATION HORIZONTAL EXHAUST INSTALLATION CONNECT TO TUMBLER 2" (5.1 cm) MINIMUM WALL 2" (5.1 cm) MINIMUM EXHAUST OUTLET NO SCREEN WALL CONNECT TO TUMBLER EXHAUST AIR FLOW MAXIMUM L...
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