Siemens Raja+ 3TE7431- 2CC25-1A Series, Installation, Maintenance & Troubleshooting Manual

FASD Controller with WLCA in Bypass condition connecting procedure

1.  Remove X7, X8 link from TB5 (WLCA 12-way multiway strip)
2.  Remove X11 and connect it to X12 from TB5 (WLCA 12-way multiway strip)

LMR-A: Bypass mode

c. WLCA- Dual tank mode
14A  : Keep the LMR-A in Bypass mode.
14B  : Keep the WLC-A in Dual tank mode.
14C  : Switch ON 3-Phase incoming main supply. 
 

  (*Customer may switch ON the starter directly after switching ON the 3 phase incoming supply irresepctive of Blinking      

            status as there is only indication for incoming supply faults and no Protection in Bypass mode).
14D  : Turn ON rocker switch
14E   : Amber LED will start blinking for a period of min 0.5 min.
14F   : 0.5 min is the default setting which can vary from min 0.5 min to max.5min.
14G  : After the ON-delay duration, amber LED will ON continously indicating that the incoming supply is Healthy (Assuming    
 

  incoming supply is healthy). WLC-A R LED will turn ON when P1,P2,P3 sensors of suction tank are in water and P5, P6  

  sensors of delivery tank are out of water.

14H  : Press the green push putton for switching ON the starter.
14I    : Starter gets switched ON. Star & Line contactor switch ON simultaneously. Then after preset time of Star delta Timer,
 

  Star contactor switches OFF and Delta contactor switch ON.

14J   : Green LED turns ON indicating that the starter is ON.
14K   : Delivery tank gets filled from the suction tank till the water in the delivery tank touches the level of P3sensor or till the    
 

  water level in the suction tank reaches below P2 sensor.

14L   : Starter switches OFF automatically after the above step ‘10K‘. (Line & Delta contactor switches OFF).  
14M  : Green LED turns OFF indicating that the starter is OFF.
14N  : Amber LED indication remains continous ON.
14O  : Switch OFF the 3-phase incoming main supply.
14P   : Amber LED indication gets turned OFF indicating that there is no incoming main supply. 

Installation, Maintenance & Troubleshooting guide

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