AC15QTP And AC20QTP Operations Manual....
54
10
MAINTENANCE
Due to the design and construction of the converter, preventative maintenance is held to a modest
level. The following table lists minimum recommended tasks and frequency.
TASK
FREQUENCY
COMMENTS
Tighten electrical
connections
Every 6 months
Must be adjusted by the user based upon
experience in the environment.
Frequency will vary due to wire gauge,
wire type, and applied vibration.
Refer to licensed electrician or factory
authorized technician.
Calibration
Every year
May require additional calibration after
battery replacement. Lack of calibration
may result in a 5% decrease in metering
and voltage programming accuracy.
Refer to factory authorized technician.
CPU Battery replacement
Every 3 years
May require greater frequency with
elevated ambient temperature, or
extended periods of non-operation.
Refer to factory authorized technician.