Siemens RAJA+ 3TE7121-1HC14-1A Series Installation, Operation & Maintenance Instructions

s
RAJA +
Direct Online
Controller 3TE7121
For dependable service, it is of utmost
importance that instructions given below are
followed for selection, inspection, installation,
commissioning, operation and maintenance.
RAJA + Direct Online Controller
Selection of Controller
• Refer Table 1 for recommended selection of 3TE7 DOL
Controllers.
• 3TE7121controllers are available from 3HP/2.2kW to 10HP/
7.5kW suitable for Submersible pump application motors.
11
12
4
13
7
Fig. 1: DOL Controller
Fig. 2: DOL 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)
3
2. 'OFF/RESET' push button (red)
8
3. Door knob
9 4. Metal Enclosure
5. Door
10
6. Mechanical Latch (OFF push button) to be used for
preventing undesired ON operation of Starter
1
7. Name plate
2
6
8. LED (amber) to indicate healthiness of incoming power
supply
9. Green LED to indicate Motor ON status
5
10. Rocker switch (Control ON/OFF)
11. Dual VA meter (For indication)
12. Phase Selector switch
13. Earthing screw