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6.3.4
Fan Inspection
Contact your local service technician for fan replacement parts.
Periodically feel unit for abnormal vibration that would indicate a fan balance issue or bearing
problem. Also listening to the unit for unusual or atypical sounds can indicate a problem. Unusual
sounds or vibration should be investigated.
Examination of the histogram log files for inconsistencies between fans can also be an indication of
degraded fan performance.
consistently greater hours at lower rpm, it might be an indication of reduced fan performance.
A trained technician can perform replacements as covered in the CPI service manual #01032407, or
the user can contact the CPI service center.
Caution: Observation may be required more or less frequently than shown,
depending on the site environment.
6.4 Technician's Preventative Maintenance
Warning:
attended formal training for service of the Indoor SSPA.
WARNING!
COMPONENTS.
6.4.1
Initial Power-On Check
Every three months the initial power-on and checkout procedure in the "Initial Power On and
Checkout" chapter should be performed.
6.4.2
Air System Maintenance
The Indoor SSPA must be checked for airflow to insure it is properly transferring heat away from
the internal heatsink. This means that the measurement of airflow temperature, the inspection,
and elimination of any contaminants restricting the airflow must be performed periodically. The
recommended cycle is three months, but may be required more often if conditions warrant it.
6.4.3
Run Performance Tests
Once a year run the performance tests in "Performance Testing" section of this chapter to ensure
Indoor SSPA's performance.
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The six fans should have similar histograms. If one fan shows
Service technicians must be service personnel who have
REMOVE ALL POWER TO THE UNIT BEFORE TOUCHING ANY
M
AINTENANCE
6-7
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