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ELECTRICAL INSTALLATION:

ALL ELECTRICAL WORK MUST BE DONE BY 
A QUALIFIED ELECTRICIAN ACCORDING 
TO LOCAL CODES

INSTALLATION CAN CAUSE EXPOSURE TO 
LIVE COMPONENTS. DISCONNECT ELEC-
TRICAL POWER BEFORE PROCEEDING 
WITH INSTALLAITON.  PROPER LOCK OUT/
TAG OUT PROCEDURES SHOULD BE USED.

If the unit is ordered with 120V electrical wiring there 
is no additional wiring required.  Simply plug the unit 
into any 110/120V electrical plug rated for 15A.

UNIT OPERATION:

1. To start the unit, turn the switch located on the 

front of the unit to the on position.  To stop the 
unit, turn the switch to the off position.

CARTRIDGE CLEANING OPERATION:

The Micro-Air

®

 Twister is designed with the Roto-

Pulse® Cleaning System to clean the cartridge fi lters. 
This system provides superior cleaning performance 
using a rotating tube with pre-drilled holes. As the 
diaphragm valve opens, the Roto-Pulse

®

 tube rotates 

while air exits the holes, thus providing the cleaning of 
the cartridge.

• 

For proper cleaning, the compressed air pressure 
should be regulated at 80 - 90 psi maximum.

• 

During normal operation the Roto-Pulse

®

 

cleaning system is activated by depressing the 
pulse button located on the electrical box.

• 

The Roto-Pulse

®

 cleaning operation dislodges 

particles from the cartridges. Particles then fall 
down into the collector. 

NOTE: When servicing the collection system, be sure 
to turn the unit off.

PULSE TIMING:

The Twister is provided with a manual pulse option 
as the standard for all units.  The fi lters can be pulse 
cleaned by depressing the pulse button (located on 
the front of the electrical box) and holding it down 
for approximately 2 seconds.  Since the unit does not 
have “Auto-Pulse” the fi lters should be pulse cleaned 
regularly throughout the day.  In addition they should 
be pulsed several times after the blower has been shut 
off.  

NOTE: Cleaning of the fi lters too often will decrease 
your  level  of  performance.  A  certain  level  of  dust 
cake on the fi lters will improve the effi ciency of the 
fi lter cartridges. You should try to maintain a mini-
mum of 1 in w.c. of pressure differential across the 
fi lters. If you can not maintain this minimum level 
of  differential  across  the  fi lters  the  time  between 
cleaning pulses should be increased until this can be 
achieved.

MAGNAHELIC INSTALLATION:

1. Turn off dust collector and disconnect power to 

the unit.

2. Mount the Magnehelic Gauge into the 

Magnehelic Mounting Bracket and place the (2) 
male barb fi ttings in the pressure ports locatedon 
the side of the Magnehelic Gauge.

3. Also use the two pressure port plugs supplied 

with the Magnehelic Gauge on the two ports 
located on the backside of the gauge.

4. Mount the bracket. Do not mount the bracket on 

the unit.  Mounting screws may damage internal 
components.

5. Using 1/4” clear tubing (Additional length can be 

purchased) connect the “LOW” pressure port on 
the gauge to the clean air plenum and “HIGH” 
pressure port to the dirty air plenum.

6. Reconnect the power to the unit and start the dust 

collector.

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