Xylem IM167 R8 Aquavar CPC (Centrifugal Pump Control) - Manual (Page 128)

128
Capacitors
The drive intermediate circuit employs several electrolytic capacitors. Their life span is at
least 90,000 hours depending on the operating time of the drive, loading and ambient
temperature. Capacitor life can be prolonged by lowering the ambient temperature.
It is not possible to predict a capacitor failure. Capacitor failure is usually followed by damage
to the unit and an input cable fuse failure or a fault trip. Contact your CentriPro authorized
Aquavar CPC distributor or the factory.
Replacing the Capacitor Pack (R7)
Replace the capacitor pack as described in section “Replacing the Fan (R7)” on page 126.
Replacing the Capacitor Pack (R8)
1. Remove the upper front cover and the side plate equipped with control panel mounting slot.
2. Disconnect the discharging resistor wire.
3. Undo the fastening screws.
4. Lift the capacitor pack out.
5. Install the capacitor pack in reverse order to the above.
MAINTENANCE
(Frame Sizes R1-R6)