Siemens SED2 Specifications Page 33
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Extended Storage: Conditioning of
Capacitors
After an extended period of storage, recharge the capacitors in the SED2.
Calculate the storage time from the date of manufacture or the date code,
and not from the date of delivery. (See the Interpretation of Serial
Numbers and Date Codes section for more details.) The recharge
procedure varies according to the storage period as follows:
Period of
Storage
Required Action
Total Preparation
Time
1 year or less Recharging not required. No preparation
1 to 2 years Before issuing the “run” command, connect
the SED2 to input power for one hour.
1 hour
2 to 3 years Use a variable AC power source as follows:
• Apply 25% of the input voltage for
30 minutes.
• Increase the voltage to 50% for an
additional 30 minutes.
• Increase the voltage to 75% for an
additional 30 minutes.
• Increase the voltage to 100% for an
additional 30 minutes.
The SED2 is then ready for operation.
2 hours
3 or more
years
Use a variable AC power source as follows:
• Apply 25% of the input voltage for
2 hours.
• Increase the voltage to 50% for an
additional 2 hours.
• Increase the voltage to 75% for an
additional 2 hours.
• Increase the voltage to 100% for an
additional 2 hours.
The SED2 is then ready for operation.
8 hours
CAUTION:
After an extended period of storage, if capacitors are not
properly recharged, catastrophic damage to the drive can
result.
- Startup, Operation, and 1
- Maintenance Manual 1
- SED2 Variable 3
- Frequency Drives 3
- Table of Contents 7
- How To Use This Manual 11
- Manual Notations 12
- Where To Send Comments 12
- Reference Documents 12
- Safety Instructions 13
- Disposal 14
- Mechanical Installation 15
- Frame Sizes 16
- Output Ratings 18
- Accessories 20
- Environmental Conditions 21
- Specifications 22
- Mounting Dimensions 23
- Mounting Instructions 23
- Connections 24
- Conduit Connections: 25
- Installation: 25
- VFD0091R1 26
- Type 1 SED2s 27
- NEMA Type 12 SED2s 29
- Electrical Installation 32
- Capacitors 33
- VFD060R1 35
- Torx driver T20 36
- Torx screwdriver 37
- VFD0067R1 38
- VFD0068R1 39
- VFD0070R1 40
- DIP SWITCHES 41
- (Ground) 42
- DC+DC+DC+DC- B 43
- R+ B+ B+ 43
- L3 U V WL2L1 43
- 3Ø AC 380V through 480V 45
- 3Ø AC 500V through 600V 46
- Input Power Connection 47
- Motor Cable Length 48
- Wye "Y" 49
- Direction of Motor Rotation 50
- Motor Overload Protection 51
- Connection of Multiple 52
- Analog Input DIP Switches 53
- Control Terminal Connections 54
- VFD0051R1 58
- Parameters 59
- VFD0019R1 60
- SED2 Operator Panels 61
- BOP Display and Pushbuttons 62
- Commissioning 65
- Settings 66
- SED2 (stand-alone) Startup 69
- Procedure 69
- Flying Start 80
- Automatic Restart 82
- Vdc Controller 84
- Pulse Frequency 84
- Reset to Factory Defaults 85
- Network Communications 86
- Maintenance 88
- Re-energize Unit 89
- DC Bus Integrity Test 89
- Contactors and Switches 89
- Motor Bearing Wear 89
- Resetting Faults 91
- VERIFY THAT 92
- CONNECTION 92
- OPENINGS ARE 92
- FREE FROM 92
- OBSTRUCTIONS 92
- Fault Codes 94
- Troubleshooting 101
- Warning Messages 102
- Replacement Parts 106
- Technical Specifications 108
- Appendix A: Parameters 110
- Defaults, and Settings 110
- Appendix B: SED2 Point 121
- SED2 Point Cross-Reference 123
- Glossary 127
- Slip Compensation 131
- Stator Resistance 131
- Train (HVAC) 131
- Undervoltage 131
- VFD/VSD 131
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