Installation - Siemens RAJA+ ЗTE7111-2SC18-1A Series Installation, Maintenance & Troubleshooting Manual

Installation, Maintenance & Troubleshooting guide | Version 01

1.4: Installation

1. Open the door by unscrewing the door knob.
2. Fix the starter enclosure vertically on a rigid surface free from vibration.
3. Remove the rubber grommets for incoming and outgoing cable connections. (Fig: 2)
4. Connect incoming and outgoing cables as follows (Fig: 2)
-Select correct size of cable from Table 1.
-Remove approx. 10mm of insulation.
-Pass the cable through proper cable gland to avoid ingress of material.
-Connect the incoming supply cables to terminal block TB1 and tighten the screws firmly
(ref.tightening torque from Table 3).
5. NOTE: LMRA is set in Manual mode (Factory setting).
6. Set the overload relay scale (Fig: 2) using proper screw driver as per the procedure given below.
7. Set the overload relay to rated current mentioned on motor name plate.
8. Press green button of the Aux.contact block (Fig: 2) to start the motor and wait till it reaches to normal speed.
9. Reduce the overload relay settings till it trips.
10. Set the overload relay at slightly higher value.
11. Allow a reset time approx 4min. and reset the overload relay manually (Fig: 2)
12. Restart the motor. If the relay does not trip, consider the overload relay as properly set. If it trips,
set it at little higher value and recheck.
13. Press the red knob (Fig: 2) on the overload relay to stop the motor
14. Fix the door by screwing the knob
Table: 2 Mounting Torque Values
Sr. No Location
1 Earthing screw (cover to body)
2 Contactor 3TS30..36
3 LMR-A
4 Terminal block 30A
5 Terminal block 60A
6 ON& OFF /Rest link
Table: 3 Terminal Torque Values
Sr. No Location
1 3TS30..32
2 3TS33/34 (Power wiring)
3 3TS35/36 (Power wiring)
4 Terminal block 30A
5 Terminal block 60A
6 Contact block 3SB5
7 Aux terminal (side add on) of 3TS35/36, 3TS33/34
8 Coil Terminals A1/A2
9 Aux. terminals of all Relays
10 3UW51/52
11 3US56
12 Indicating light - Amber
9
Size
M5
M4
M4
M4
M4
ST4.2x9.5
Size
M3.5
M4
M5
M4
M5
M3.5
M3.5
M3.5
M3.5
M4
M5
M3
Torque
2.5-3.0Nm
0.8-1.4Nm
0.8-1.4Nm
0.8-1.4Nm
0.8-1.4Nm
0.8-1.2Nm
Torque
0.8-1.4Nm
1.0-1.5Nm
2.5-3.0Nm
0.8-1.4Nm
1.5-2.1Nm
0.8-1.2Nm
0.8-1.4Nm
0.8-1.2Nm
0.8-1.2Nm
1.0-1.5Nm
2.5-3.0Nm
0.8Nm