Assessments - 3, GPA: 4
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in./open (260 sq. cm) *Louvered door with equivalent air openings is acceptable. (Minimum clearances are shown.) ' NOTE: For new installations, locate top of wall vent 42 inches (106.7 cm) above floor to make venting easier to connect. D337I 1 Closet Door 3 Outer Wall of Enclosure 2 Centered Air Openings (Two openings minimum) 510969 Figure 25 © Copyright, Alliance Laundry Systems LLC - DO NOT COPY or TRANSMIT 35 Installation Dryer Exhaust Requirements A WARNING A clothes dryer produces combustible lint. To reduce the risk of fire and combustion gas accumulation the dryer MUST be exhausted to the outdoors. W116 This gas appliance contains or produces a chemical or chemicals which can cause death or serious illness and which are known to the State of California to cause cancer, birth defects, or other reproductive harm. To reduce the risk from substances in the fuel or from fuel combustion, make sure this appliance is installed, operated, and maintained according to the instructions in this manual. W115 To reduce the risk of fire and the accumulation of combustion gases, DO NOT exhaust dryer 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. W045 To reduce the risk of fire, DO NOT use plastic or thin foil ducting to exhaust the dryer. Exhaust System Materials Exhaust system materials are not supplied with the unit. Exhaust duct must be 4 inches (10.2 cm) in diameter having no obstructions. Rigid metal duct is recommended. Non-combustible flexible metal duct is acceptable. Do not use plastic or thin foil ducting, because it contributes to poor drying performance and collects lint, which can lead to a fire hazard. Never install flexible duct in concealed spaces, such as a wall or ceiling. DO NOT use sheet metal screws on exhaust pipe joints or other fastening means which extend into the duct that could catch lint and reduce the efficiency of the exhaust system. Secure all duct joints with duct tape or pop-rivets. Description Kit P/N May Be Obtained Locally Exhaust Duct (4" Dia.) Not Available Yes Flexible Metal Duct (4" Dia.) 521P3 Yes Weather Hoods, with hinged dampers (4") Not Available Yes Directional Exhaust Kit 528P3 No Tape Not Available Yes NOTE: Kits described above are optional exhaust system materials available at extra cost. DO DON’T D333I D335I Figure 26 36 © Copyright, Alliance Laundry Systems LLC - DO NOT COPY or TRANSMIT 510969 Installation Make-Up Air Requirements It is important that the laundry room has adequate make-up air for the dryer(s). A dryer exhausts 220 cfm (measured at back of the dryer) and sufficient make-up air must be supplied to replace the air exhausted by the dryer. Make-Up Air Dos and Don’ts Do • Supply adequate air for ventilating air, drying air and gas dryer combustion air. NOTE: Each-dryer pocket must have 40 square inches (260 cm2) of unobstructed flow of make-up air for proper operation. • Energy efficient buildings with low air infiltration rates should be equipped with an air exchanger that can accommodate on demand make-up air needs in the laundry room. These devices can be obtained through your building contractor or building material suppliers. Don’t • Draw make-up air from a room containing a gas fired water heater. • Draw make-up air from a room containing a dry cleaner or a hair salon. Exhaust Direction The dryer can be exhausted to the outdoors through the back, left, right or bottom of the dryer. EXCEPTION: Gas dryers cannot be vented out the left side because of the burner housing. Dryer is shipped from factory ready for rear exhaust; no kits required. Exhausting the dryer through sides or bottom can be accomplished by installing a DK1 Sales Accessory (Directional Exhaust Kit 528P3) available as optional equipment at extra cost. D361I Figure 27 510969 © Copyright, Alliance Laundry Systems LLC - DO NOT COPY or TRANSMIT 37 Installation Exhaust System IMPORTANT: Keep exhaust duct as short as possible. NOTE: Be certain old ducts are cleaned before installing your new unit. For best drying results, recommended maximum length of exhaust system is shown in Table 2. To prevent backdraft when dryer is not in operation, outer end of exhaust pipe must have a weather hood with hinged dampers (obtain locally). NOTE: Weather hood should be installed at least 12 inches (30.5 cm) above the ground. Larger clearances may be necessary for installations where heavy snowfall can occur. Number of 90° Elbows Weather Hood Type Recommended Use Only for Short Run Installations -4^ 'If (10.2 cm) (102 cm) D673I SP 2-1/2" (6.35 cm) ' ' D802I Maximum length of 4" (10.2 cm) diameter rigid metal duct 0 65 feet (19.8 m) 55 feet (16.8 m) 1 55 feet (16.8 m) 47 feet (14.3 m) 2 47 feet (14.3 m) 41 feet (12.5 m) 3 36 feet (11.0 m) 30 feet (9.1 m) 4 28 feet (8.5 m) 22 feet (6.7 m) Maximum length of 4"...