tempest - Penn State Industries
PSI Tempest 12" Impeller Cyclone Dust Collection Systems
Owner's Manual
Philadelphia, PA • 19115
Version 3
March 2007
PSI Woodworking Products
Thank you for purchasing one of PSI's growing family of woodworking products. Our Tempest cyclone systems
are engineered and manufactured to the highest standards of quality.You will find the Tempest to be a
remarkable dust collection machine.
This product is warranted against defects in material and workmanship for a period of five years on the motor
and all other components. This warranty applies to the original purchaser of the product and is limited to the
repair or replacement of the product or its parts at the discretion of PSI Woodworking Products. Excluded are
parts which have been misused, abused, altered, or consumed by normal operation of the machine. Also
excluded are direct or consequential damages to persons, properties, or materials.Your invoice serves as proof
of purchase and must be referenced to authorize warranty repairs. Call your dealer for proper authorization.
Owner is responsible for returning warranty service parts at their expense. Defective parts will be repaired or
replaced at the manufacturer's discretion. Tempest cyclones are warrented for wood dust collection only.
• Warranty ……..….......2
• Safety …...........……..2
• Features ……….........2
• Specifications ….........2
• Components …....…....3
• Assembling Cyclone .....5
• Assembling Filters…....6
• Filter Maintanance…....6
• Installation and
• Voltage Conversion.......7
• Accessories……….......8
• Do not use this system near flammable or combustible liquids or gases including gasoline or other fuels,
cleaners, oil-based paints, natural gas or explosive dusts like coal dust, magnesium, grain dust, or gun powder.
• Do not vacuum anything that is burning or smoking such as cigarettes or hot ashes.
• Do not vacuum toxic materials or use near hazardous materials.
• Do not use outdoors or on wet surfaces.
• Do not operate with a full waste container.
• To avoid collapse, use 26 gauge steel or thicker for ductwork.
• Install on a stable level surface. Because the Tempest is top-heavy, be certain to secure the motor/blower unit to a wall. If assembled on a stand, make
sure the base and supporting structure is stable. Secure the upper portion of the unit with safety wire.
• Do not use without filter bag or canisters attached.
• Turn off controls before unplugging. Do not pull cord to unplug, grasp plug and remove from receptacle.
• Do not operate with the motor/blower off of the cyclone- this could cause severe overheating and/or motor burnout.
• Do not use with damaged cord, plug, or other parts. Only install to a properly grounded outlet.
• Do not wear loose clothing in the area of any inlets because high suction could pull and stretch garments into blower.
• If your ductwork consists of only plastic hose or pipe, ground hose or pipe by wrapping bare copper wire around the exterior surface and ground the
wire at either end.
• Keep hands free from spinning impeller.
• The Tempest is only warranted and guaranteed for the collection of wood dust although it may be quite suitable for other applications.
• Powerful motor blower unit has a proven flawless performance record
• Able to capture over 99% of all dust and debris before it passes through the motor blower
• 1-micron filter bag or 1/2- micron filter cartridges for fine filtration
• Includes wall support brackets
• Simple operation and easy cleaning of debris from the collection canister
• With nearly clean filters, system consistently runs at peak performance
• 12" steel impeller provides superior performance
• Designed to fit under 8 ft. ceiling (with 21" fiber drum).
• 72" x 24" 5-micron filter bag
Max CFM Free Air
VAC, Max Amps (single phase)
Max Static Pressure
Impeller Diameter
Gauge of Cyclone Body
Weight (motor & cyclone)
1350 CFM
110V, 8 amp / 220V, 16 amp
2 HP
12" Steel
73 db
17 ga
123 lbs
TEMPEST Cyclone Manual
1) Motor blower unit: DC250SEMB
2) Cyclone Assembly consisting of:
• top cylinder
• center flange with 9 sets of nuts and bolts
• bottom cone
• gasket
• two screw-mount wall brackets
3) Drum Kit consisting of:
• 2 ea. 7" hose clamps
• 1 ft. of 7" diameter clear hose (D07)
• 7" diameter flange
• 1 ea. 26 gal. fiber drum
4) Outflow Assembly consisting of:
• 1 ea. 5" 90˚ elbow (TEMPEST)
• 2 ea. 5" hose clamp (TEMPESTCX)
• 3 ft. of 5" black flexible hose (TEMPESTCX)
5) Filter Assembly consisting of:
• 1 ea. 1 micron bag (BCYC2-1M)
• 2 ea. 26" 1/2-Micron filter (CYFA)
• 1 ea. adjustable elbows (R-90E05)
• 1 ea. fiber cleanout can (CYFILCAN4)
• 2 ea. 5" hose clamp (DBC5)
• 2 ea. 5" hose clamp (DBC5)
• 1 ea. 5" bell mouth hood (CYATT05)
• silicon caulk (CYSCAULK)
• 2 ea. foam ring (CYFRING9)
CAUTION: Measurements are included as a guide to perfect situations. Many factors may
change them. Please check and adjust to your conditions.
fig. 2 - Filter Dimensions
1-micron Filter Bag
Used with TEMPEST
1/2-micron Filter Canisters
fig. 1 - Tempest Dimensions
(drum sold separately)
PSI Woodworking Products
TEMPEST Cyclone Manual
fig. 2A - Mounting the Cyclone
STEP ONE - Assembly (fig. 2A)
1. Follow directions to assemble unit. With the unit assembled, mark centerline from body to get the right plywood thickness.
2. To make the assembly easier, it is suggested that the entire unit be assembled on the floor using a sheet of 3/8" plywood- 24" wide by 96" high.
3. Rip a sheet of plywood 24" wide by 96" high. If your ceiling height is not 96" cut the plywood to the appropriate ceiling height.
4. Mark a centerline 12" from the mill side of the plywood.
STEP TWO - Preparing the Motor Riser
3. Decide on the overall height of the cyclone (typically 90" high or 6" down from the top of the plywood). Mark this height on the plywood sheet.
4. Assemble body cone and brackets in position desired. Mount to plywood sheet. Check front to back relationship. The TEMPEST motor blower has
a centerline of 9-3/8". The assembled body has a centerline of 11-3/8". Yours may vary and shim blocks may need to be added to accomdoate your
local conditions.
Step THREE - Mounting the Body
• Draw 2 lines lengthwise on the mounting board (parallel to the centerline), each 9-1/16" from the center. These will indicate the vertical centers of left
and right mounting brackets.
PSI Woodworking Products
• Finally, with the unit operating, inspect all seams and connections for
pin-hole leaks. If any appear, they should be filled with a premium
silicone caulk and given enough time to fully cure before re-testing.
Failure to seal properly will result in excess dust in your final stage filter
bag or cartridges.
• Set up each of the mounting brackets on the plywood so the top of the
bracket is 22-1/2" from the bottom of the motor mount and centered on
one of the vertically drawn lines. Secure brackets to the plywood.
• Locate the adhesive-backed foam strip (G) 64" x 3/8" x 1/16" and carefully
attach it to the large flange at the top of the cyclone cone (E). This will
assure an airtight seal between the body (B) and the cone (E) sections.
• With the seam of the cone facing the plywood, use two bolt holes in
front and two holes in the rear of cyclone to join the body to the cone
at the flange.
• Insert the bottom flange of the motor blower (A) into the top of the
cyclone body (B).
• Align the cyclone rim to the brackets using only the outer-most hole on
each bracket. Once positioned, insert the two remaining bolts through
both flange and bracket and tighten
• Be sure the connection between motor blower and Tempest body are
snug. Adjust the height of the mounting brackets to account for any
space remaining between these parts.
fig. 3 - Tempest Components
motor blower assembly
motor support bracket
Step FOUR - Shimming the motor
• Cut 2 ea. 4" x 18" blocks to be used to raise the motor mount off of the
plywood backing.
• Measure centerline for mounting block A 8-3/4" down from selected
cyclone height.
• Measure centerline for mounting block B 5" below centerline of block A.
• Glue the 4" blocks horizontally on the plywood sheet.
• Cut a 11" x 18" mounting pad from plywood waste. This will cover the
mounting blocks.
• Glue 11" x 18" pad over the blocks evenly.
• Place the motor blower on the pad and allow glue to dry.
vortex pipe
upper cyclone body
adhesive foam
mounting bracket
Step FIVE- Mounting the Motor
• When glue is dry, mark bolt holes and bore for 4 ea. 3/8" carriage
bolts (not supplied). These bolts will secure the motor blower
to the riser pad.
• Center the motor mount (fig. 3-K) on top of the riser block.
• Using the carriage bolts, secure the motor support bracket to the riser
block through the four holes in the motor support bracket.
cyclone cone
mounting bracket
Step SIX - Mounting Assembly to Wall
Now you are ready to lift the cyclone into place and mount it's plywood
back to the wall.
connection hose
• Determine an appropriate location for your cyclone. Setting the
Tempest upright in its final position will require the assistance of
another person.
• Depending on the construction of the selected wall, use six best grade
1/4" lag bolts or concrete fasteners. After the cyclone is mounted in
place on the wall, seal the connection between the motor blower (A)
and the cyclone body (B) with a generous application of silicon caulk,
giving it ample time to dry.
• Using the 7" waste can flange (H) as a template cut a 7" hole in the lid
of your waste can and drill 8 each 3/8" holes for 3/8" hex bolts (not
provided). Bolt and seal the flange to the top of the can with a quality
silicone sealant (#CYSCAULK). Let this cure for 24 hours before
testing. Connect the waste can lid to the bottom cyclone flange with the
included 12" x 7" clear flex hose (I) and hose clamps (L).
• Install filter bag or cartridges as described on page 6.
drum connector flange
waste can (sold separately)
7" hose clamps
TEMPEST Cyclone Manual
Assembling 1-micron Collection Bags
TEMPEST with Standard 1-mIcron Felt Bag (BCYC2-1M)
This high filtration bag collects any super fine particles that may pass through the cyclone unit. It has a
zipper on the bottom for easy cleaning access. It may hang vertically from the motor blower or
positioned anywhere else in the shop, even along the ceiling. Remember, virtually no dust will collect in
this bag. It is primarily used to prevent super-fine dust from re-entering the air. A 5" diameter metal
duct elbow connects the bag to the motor blower.
fig. 4 - Bag Filter Diagram
5" diameter elbow
5" diameter hose
motor blower
Connecting the 1-Micron Bag to the Motor Blower Exhaust Port.
Fit together two 5" adjustable sheet metal elbows (included). Secure the two together with pop rivets,
small sheet metal screws, adhesive caulk, or duct tape. Insert corrugated end of elbow into the exhaust
port of the motor blower and seal. Now, connect the 72-inch bag to the adjustable elbow with the 5"
hose clamp provided.
filter bag
Bag Positioning
Hang the 1-micron bag vertically, with the zipper on the floor. However, if needed the bag can be
suspended horizontally using two hangers (not provided) attached at either end of the bag at the seams.
Bag Maintenance
Never wash the bag. Water will cause the material to lose its effectiveness. After using the bag for
approximately 6 hours, whack the outside of the bag with the equivalent of a wooden yard stick. This will free up most of the fine dust attached to the
inside walls. Periodically unzip the bottom and clean out.
fig. 5 - Canister Filter Assembly
Assembly of the 1/2-micron Cartridges and Cleanout Can
motor blower
Preparation of Cleanout Can
For CYFILCAN4 (C), cut a 8" hole in the center of the can's lid. Next, use the blast gate to scribe a
4"cutout hole on the side of the can. Cut the hole and use a generous amount of caulk to seal the
gate into the hole. Set the cartridge filters on top of the cleanout can. Use one 9" foam gasket to
secure the lower cartridge to the cleanout can.
Preparation of Cartridges
Use the remaining 9" foam gasket to connect the upper and lower cartridges. Attach the connector
hose to the motor blower and neck connector as shown. Next, using adhesive on the bottom of the
neck connector, attach it to the top of the upper cartridge.
Cartridge and Cleanout Can Maintenance
Keep filters dry at all times. Use compressed air or a shop vacuum to clean the cartridges. Set the
compressor to 40 psi and move the air source up and down the outside of the cartridge, aiming
towards the center. Take time to clean each pleat of the filter from top to bottom.Very fine dust
will fall into the cleanout can and accumulate.
Periodically, use your shop vacuum to remove dust from the cleanout can. For best results, insert
the suction end of the shop vac into the can via the mounted blast gate or access door and turn it
on. Blow the filters clean with the vacuum's exhaust while pulling the dust through the cleanout
port on the can. This will prevent fine dust from travelling back through the system. The can
should be checked about every three months.
connector hose
5" hose clamps
neck connector
upper cartridge
foam gasket
lower cartridge
foam gasket
cleanout can
PSI Woodworking Products
Ductwork Operation and Installation Suggestions
1) Try to maintain the largest possible diameter of ductwork throughout the shop leading up to connections with your machines. The air inlet to the
Tempest cyclone is 5" in diameter. Therefore, use 5" ductwork throughout the shop if possible. Because 30ga. galvanized HVAC may collapse under
pressure from the vacuum, we suggest using strong (26ga. or heavier) spiral metal pipe as distributed by PSI.
2) Use "Y" or lateral type bleed offs from the main (as opposed to a "T"). This will help to maintain more efficient airflow.
3) Use blast gates at every connection between machinery and ductwork in order to close branches when not in use.
4) Since it is conductive, no grounding is necessary when using galvanized metal ductwork. Check continuity to be sure the entire system is grounded.
5) To maximize airflow, avoid sharp 90˚ turns and excessive reductions in hose diameter.
6) Poor air flow or excessive dust in the filter bag may be a result of a poorly sealed system. The most common leak is at the drum lid. Check the lid and
all other connections at the cyclone to ensure the best performance.
fig. 6 - Ductwork Layout Diagram
Changing Voltage on the Motor from 220V to 110V.
• Remove the electrical tape, nut, and bolt from wires 2 and 3,
exposing the crimped lugs on the wire ends.
• Connect wire 2 to the post with wire 4.
• Connect wire 3 to the post with wire 1. This converts the
voltage wiring from 220V to 110V.
22O V
11O V
Available Accessories for TEMPEST Cyclones
TEMPEST Cyclone Manual
1. 26ga Snaplock Pipe
Snaplock metal pipe is economical, smooth, and practical. It is
delivered open and flat–snap it together and lock it along the length of
the pipe’s seam to make your pipe. It is an easy cut to length with
shears. Available in 5' lengths only.
2. Heavy Duty Spiral Pipe
(24 gauge) The inside of the pipe is very smooth while the continuous
outside seam provides superior support and strength. Large ends
adapts to small end coupling and fittings. Available in 5' lengths only.
3. Long Ranger Remote Dust Collector Switch - LR220-3
Save yourself the inconvenience of walking over to turn on your
cyclone when you find you’re in the middle of a critical project.
Simply press the transmitter on/off button to easily switch your
cyclone on or off.
4. Long Ranger MultiGate Switch System - LRMSET220
Turn on your cyclone when you open your blast gate.
Never forget to turn your dust collector on or off. Make it automatic
when your cyclone is wired to the MultiGate™ switch system.
5. Ecogate™ Automatic Dust Collector and Blast Gate Switch ECOGATE4
The ECOGATE™ system opens your blast gate and turns on your
cyclone when you turn on your woodworking machine, then shuts the
gate and turns off the cyclone when the machine is switched off. For
1HP @ 110V or 1-1/2HP and 2HP @ 220V collectors.
6. Cyclone Muffler - TEMUFF
Reduces cyclone sound by 50% (10db) without effecting machine
performance. Attaches between cyclone and filter. Requires hose to
connect. Length of muffler with flanges is 23-3/4" and has a 6"
diameter connection.
7. Dust Level Sensor - BINSENSOR
Sounds an alarm when your cyclone's bin is full
No more guessing about the dust levels in your cyclone's collection
drum.A rotating paddle mounts through the lid of your container and
activates the sensor when the paddle is stopped by a high sawdust level.
Includes a 110V power cord and a relay connection that can activate an
external devise such as a visible light bulb.
8. Table Saw Dust Collection Guard - TSGUARD
This Guard is the ideal solution for table saw safety and dust control.
When connected to a dust collection system, the PSI Dust Collection
Guard captures the dust thrown up by your table saw blade. The
Guard can be used on any table saw with an extension table. It is very
easy to install and easily swings out of the way. A unique counterbalance allows for fast and easy positioning.
9. Dust Grabber Downdraft Table - DGTABLE2
The Dust-Grabber sanding table captures the dust before it enters the
air you breathe.
• Non-slip perforated, non-marring surface.
• Strong, laminated hard board construction. and easy positioning.
© 2007 PSI Woodworking 9900 Global Road, Philadelphia, PA 19115 V3-0307
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