B&C Technologies PF Series - Manual (Page 17)

Always disconnect power and air supplies before a service technician performs
any service procedure.
5.2.6 Inverter Drive
Machines equipped with AC drives require special attention with regard to the operating envi-
ronment.
1. An especially dusty or linty environment will require more frequent cleaning of the AC drive
cooling fan filter and of the AC drive itself.
2. Power line fluctuations from sources such as an uninterruptible power supplies (UPS) can
adversely affect machines equipped with the AC drive. Proper suppression devices should
be utilized on the incoming power to the machine to avoid problems.
3. A clean power supply free from voltage spikes and surges is absolutely essential for ma-
chines equipped with the AC drive. Nonlinear inconsistencies (peaks and valleys) in the
power can cause the AC drive to generate nuisance errors. If voltage is above 230V for
200 V installations or above 460V for 400V installations, a buck/boost transformer is recom-
mended. If voltage is above 240V or 480V, a buck/boost transformer is required unless the
factory advises differently.
4. Sufficient space to perform service procedures and routine preventive maintenance is espe-
cially important for machines equipped with AC drives.
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