Operation and Maintenance
4.
1) INITIAL START-UP: With electrical power off, verify that the fan propeller
turns freely and that all fasteners are secure. Turn on electrical power and
confirm that the fan operates smoothly.
2) ADJUSTMENTS: Set the fan control to the temperature shown on your
Aerotech ventilation system drawing, or to a value which will provide the
desired environmental conditions.
4.1 Operation
WARNING
!
Moving parts, disconnect power
before servicing.
4.2 Maintenance
WARNING
!
Moving parts, disconnect power
before servicing.
WARNING
!
High Voltage, disconnect power
before servicing.
The following inspection and cleaning procedures should be performed monthly:
1) INSPECT PROPELLER: Check that propeller is secure on drive hub and that
there are no signs of damage. The blades are of a self-cleaning design and should
not require maintenance.
2) CLEAN regularly for best results:
• FAN MOTOR: Remove any dust accumulation from motor using a brush or
cloth. (DO NOT use a pressure washer). A clean motor will run cooler and last
longer. At the same time, verify that the motor is secure in its mount.
• DAMPER: Carefully clean dust from damper door and frame so that damper
door opens and closes freely. A brush or cloth should be used.
• GUARD: Clean any dust or feathers from fan guards using a brush. Dirty
guards can reduce airflow.
3) CHECK FASTENERS: For safety, all fasteners should be inspected. Tighten any
loose connections.
4) INSPECT FAN CONTROL: With power disconnected, inspect all electrical connec-
tions. Wiring should be secure and in good condition. Remove any dust build-up
from control case and sensor using a soft brush or cloth. NEVER CLEAN
ELECTRICAL EQUIPMENT WITH A PRESSURE WASHER!
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