Owner`s manual

26
United Air Specialists, Inc.
Supra-Pulse FJH Series
Cartridge Dust Collector
Revised 02/02
PROBLEM POSSIBLE CAUSES POSSIBLE SOLUTIONS
Fan motor won’t start or won’t stay Input circuit not operational. Check input to motor circuits for
running. proper voltage on all legs.
Improper electrical wiring. Check and correct internal motor
wiring for proper connections based on
the incoming line voltage. Wiring diagram
is found on lead access plate.
Starter overloads tripped. Check for proper motor starter
overload rating against full load amps
on the motor nameplate. Adjust or
replace overloads as required.
Hopper discharge is open to Ensure drum is properly sealed
atmosphere. against drum lid package. Ensure
drum lid package is properly installed.
(See page 11.)
Fan damper not properly Check motor current draw and close
adjusted. fan or silencer damper until amperage
draw isbelow full load amp rating of motor.
Dust emissions from clean air Filters not installed properly. Inspect and reinstall filter cartridges.
discharge. (See page 24.)
Filters damaged. Replace any damaged filters with new
Supra-Series filters.
Filter access doors not installed Tighten access doors securely.
properly. (See page 24.)
Insufficient airflow. Fan rotation is backwards. If the fan is not rotating in the
correct direction, see page 21
to reverse the rotation.
Loose or open access door. Tighten access door and drum lid
connection.
Duct damper(s) or fan outlet Adjust dampers to allow for
damper not positioned properly. sufficient air volume.
Air inlet(s) obstructed. Inspect and clean all hoods or
other machine connections.
Filters plugged. Refer to troubleshooting
procedures for continual
pressure drop.
!
CAUTION
All electrical wiring troubleshooting should be
performed by a qualified electrician in accordance
with local electrical codes.
!
CAUTION
Prior to troubleshooting any equipment, read the
Installation and Operation Manuals for each piece of
equipment to be serviced.
!
WARNING
All electrical/mechanical troubleshooting should be
performed by a qualified electrical/maintenance
individual familiar with UAS equipment.
7. TROUBLESHOOTING GUIDE
Use the troubleshooting guide to correct any problems
that occur with your dust collection unit. If the problem or
condition continues, contact the nearest UAS customer
service office listed on the back cover of this manual.