Watson-Marlow MM440 - Manual (Page 23)

Issue 10/06 2 Installation
MICROMASTER 440 Operating Instructions
6SE6400-5AW00-0BP0 23
2.1 Installation after a Period of Storage
Following a prolonged period of storage, you must reform the capacitors in the
inverter.
Frame Sizes A to F
100
50
75
0,5 1
[%]
2 4 6 8
Storage period less than 1 year:
Storage period 1 to 2 years:
Storage period 2 to 3 years:
Storage period 3 and more years:
No action necessary
Prior to energizing, connect to
voltage for one hour
Prior to energizing, form
according to the curve
Prior to energizing, form
according to the curve
Voltage
Time t [h]
Fig. 2-1 Forming
Frame Sizes FX and GX
Reforming the capacitors can be accomplished by applying 85% of the rated input
voltage for at least 30 minutes without load.