Siemens 3TE7431 Інструкція з монтажу, експлуатації та технічного обслуговування
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RAJA + Fully Automatic
Star Delta Controller
3TE7431
For dependable service, it is of utmost
importance that instructions given below are
followed for selection, inspection, installation,
commissioning, operation and maintenance.
RAJA + Fully Automatic Star Delta Controller
3TE7431
Selection of Controller
• Refer Table 1 for recommended selection of 3TE7 FASD
Controllers.
• 3TE7431 Controllers are available from 15HP/11kW to 30HP/
22kW suitable for Submersible pump application motors.
14
11
12
4
13
7
Fig. 1: FASD Controller
Fig. 2: FASD Controller inside view
Installation, Operation & Maintenance
Instructions
Please read and understand these instructions before
installing, operating or maintaining the equipment. Keep for
future reference.
Danger
Hazardous voltage can cause death or serious injury. Disconnect
power before working on equipment.
Warning
Automatic Motor Restart
LMRA has "Auto" mode selection. Use this function with
caution, Motor will restart automatically when healthy
power is restored back.
Reliable functioning of the equipment is only ensured with
certified components. Commissioning and maintenance by
qualified personnel only.
NOTICE
This product has been designed for environment A. Use of this product
in environment B may cause unwanted electromagnetic disturbances in
which case the user may require to take adequate mitigation measures.
Complies to standard : IS/IEC 60947-4-1
1. 'ON' push button (green)
2. 'OFF/RESET' push button (red)
3
3. Door knob
8
4. Metal Enclosure
9
5. Door
10
6. Mechanical Latch (OFF push button) to be used for
preventing undesired ON operation of Controller
7. Name plate
1
8. LED (amber) to indicate healthiness of incoming power
2
supply
6
9. Green LED to indicate Motor ON status
10. Rocker switch (Control ON/OFF)
5
11. Dual VA meter (For indication)
12. Phase Selector switch
13. Earthing screw
14. Controller Mounting bracket