F90A,B
2 x 4 INCH (51 x 102 mm) |
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OR EQUIVALENT |
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CROSS PIECE TO | NUT AND WASHER |
SUPPORT AIR CLEANER | TOP AND BOTTOM |
PEM STUD:
(38 mm)
1⁄4 INCH (6 mm) |
DIAMETER |
THREADED ROD |
1/16 INCH (2 mm)
1
7/8 INCH (22 mm)
2
SUSPENDED |
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CEILING |
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| REMOVE | |
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| CELLS | |
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| AND | |
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| FILTERS | |
NUT AND WASHER | VENTURI |
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PLATE |
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TOP AND BOTTOM |
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| M1534 | |||||||||||||
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Fig. 9. Mounting the F90 using steel rods in suspended
ceiling applications.
Mounting the F90A Using the 272577A Transition Plate (Accessory)
The transition plate (Fig. 10) allows the F90 to be mounted by one person. In the
Eight flanged locknuts (four large, four small) and four 3/8 by 3 in. (10 by 76 mm) lag screws are provided with the transition plate. The four large locknuts adjust the F90 height, level the F90, and provide stops for the F90 top plate (when tightened). The four smaller locknuts secure the F90 to the ceiling joists.
1. Screw a large
2. Position and level the height adjusting nuts so flanges are flush with the lag screw heads or the protruding threaded steel rods.
3. Screw a small securing nut on each stud, leaving a 1/2 in. (13 mm) space between it and the height adjusting nut.
4. Lift the F90 into position and locate the four studs.
5. Raise the F90 so that the four studs pass through the keyhole openings.
6. Slide the F90 horizontally so the studs are located at the slot end of each keyhole opening.
NOTE: As viewed from the F90 or floor side, the slot portion of each keyhole is above the surface of the top plate. Position the F90 so the studs are located at the slot end of each keyhole.
When the securing nuts are tightened, they should nest firmly in the sockets to prevent any lateral movement.
7/16 INCH | 16 x 16 INCH | |
(406 X 406 mm) | ||
(11 mm) | ||
19 x 19 INCH | ||
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| (483 X 483 mm) |
1
27⁄16 INCH (11 mm) DIAMETER HOLES (4) ON 16 INCH (406 mm)
CENTERS. | M1532 |
Fig. 10. Mounting F90 using 272577A Transition Plate.
7.Tighten the securing nuts until the F90 top plate engages the height adjusting nuts.
Mounting the F90 Using the 118636C Wall Mounting Kit (Accessory)
Two wall mounting brackets are used to support the F90. See Fig. 11. The two brackets must be mounted on the wall with 16 in. (406 mm) for the F90A or 8 in. (203 mm) for the F90B between centers so that the lag bolts will align with the F90 mounting holes. Fasten the brackets to the wall studs with lag screws. On masonry walls, use appropriate screw anchors.
Wiring
IMPORTANT
All wiring must comply with local codes and ordinances.
Power Cord
IMPORTANT
Power supply cord must not be concealed above the ceiling or behind the walls.
The F90, 120 Vac has a standard
• Do not use an extension cord to power the F90.
• Keep the power cord out of the reach of building occupants.
• Keep the power cord away from water.
• Do not route the power cord near sharp objects that can damage the cord insulation.
10 |