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Unico 11100 Installation And Troubleshooting Manual
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Mechanical Installation 3-53.5.2 Flush Mounting (Form 22X)Form 22X drives may be flush mounted to a subpanel inside an enclosure or directly toan enclosure wall. The units require a cutout in the panel or enclosure wall to allow air tovent out the back. Allow clearance behind the cutout for airflow as recommended inTable 3-1. Mount the drives using at least six 5/16" (8 mm) bolts or studs. Rest the bottommounting slots on the bolts or studs while securing the top.3.5.3 Flange MountingA drive may also be flange-mounted with its heat sink protruding through a cutout in theenclosure wall. This allows heat to be dissipated outside the enclosure. A mountingflange is provided with 1100, 1110, and 1130 drives, with Form 17N, 30, and 34 1105drives, and with Form 17 1120 drives. It is available as a factory-installed option withForm 12N 1105 and 1120 drives and Form 9N 1200 drives. Factory-installed mountingadapters are also available for reusing existing cutouts when retrofitting certain units (seeTable 3-2). Allow the recommended clearance behind the heat sink and fans for airflow(see Table 3-1). Certain low-power Form 13 models do not have finned heat sinks andmust be mounted flush with the surface.Mount Form 9N, 12N, 13, 17, 17N, 17X, and 30 drives using #10 (5 mm) bolts or studswith nuts. The number of bolts or studs required varies with the size of the drive. Form22X drives use sixteen #10 (5 mm) studs through the holes in the heat sink flange. Thecorner studs of each unit must pass through the console; others may be welded. Form 34,34X, 48, and 48X drives have 1/4"-20 mounting studs protruding through both sides ofthe heat sink that require (12) 5/16" (8 mm) mounting holes. Secure the unit across the topand bottom using six additional 1/4" (6 mm) bolts with nuts. Refer to the flange-mountingdiagrams for hole locations and cutout dimensions. Retrofit adapters use the same holepatterns as the drives they replace. Chassis units are designed to provide NEMA 4 (IP66)integrity when flange-mounted inside a suitable NEMA 4 enclosure using the gasketprovided.Table 3-2—Flange-Mounting Retrofit AdaptersForm Part Number Description9N 711-556 Adapter for mounting drive within cutout forForm 13 and 13N drives9N 711-557 Adapter for mounting drive within cutout forForm 17, 17N, and 17X drives12N 708-520 Adapter for mounting drive within cutout forForm 17, 17N, and 17X drives17, 17N, and 17X 709-623 Adapter for mounting drive within cutout forForm 30 drive3.6 Mounting the I/O Fanning StripThe optional I/O fanning strip is generally mounted beneath the drive. Attach the stripfrom behind the mounting surface using nuts to secure the four #6-32 standoff screws. |
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