AAF International AAF-CY44-50 - Manual (Page 8)

3. SILENCER or HUSH UNIT(optional). The silencer is designed to
attenuate the sound level of the exhaust air. Attach to fan discharge
flange with hardware provided. Use caulking.
4. AFTER FILTER (optional). The after filter permits recirculation of the
air in the work area, where allowable by law. It filters the air which is
exhausted from the fan on top of the cyclone. Three styles are
available.
STYLE CYCLONE
SIZE
DESCRIPTION & INSTALLATION
23” DIA
with
zipper
16 Single filter with zipper bottom attaches with clamp filter
with square to round transition to fan discharge. (For
indoor installation only)
12” DIA
with
zipper
20-44 Multiple filters, with zipper bottom, which hang from
collars on plenum. Suspend from ceiling. Bolt
transition to fan discharge. Clamp filters in place. (For
indoor installation, unless ordered with side panels)
5” DIA
with
Snap
Ring on
both end
20-44 Multiple tubular filters which are factory installed in
plenum and dust chamber (or hopper). Support legs
included. Whenever possible the legs are sized to line
up after filter with the cyclone blower discharge. Inlet
to be cut with saw (do not use torch) in field. Refer to
model drawing at end of this manual. Caulk & attach
transition between fan discharge flange and after filter.
If optional motorized shaker is included, wire to
controller and fan motor starter. Shake filter every few
hours for 15-30 seconds with blower off. (For indoor
installation, unless ordered with weather proof
enclosure).
5. EXPLOSION RELIEF VENT (optional). The explosion relief door
allows for quick release of pressure caused by a dust explosion in the
dust collector. If the dust collector is installed indoors, the explosion
relief vent must be vented out of the building, away from normally
occupied areas. Include an access door in the duct or removable
section so that door hardware may be inspected and oiled every six
months.
6. BELT DRIVEN BLOWER (standard for 20HP and larger). DO NOT
ATTEMPT TO MAKE ANY PULLEY CHANGES. Each pulley is sized
for proper operation. Consult AAF if assistance is required. Check
belt tension after initial two months of operation and re-adjust if
necessary. After first inspection, check belt tension every six months.
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