rada Pulse Series - Page 38

38
Maintenance Procedure - Transformer Fuse
1. Isolate the electrical supply to the Control Box.
2. Remove the cover from the Control Box.
3. Remove the fuse in the side of the transformer.
4. Ret the new fuse in reverse order.
Removal and Installation of the PCB
PCB
Auxiliary Connections
Sensor Connections
Solenoid Valve
Connections
Fixing Screw
Fixing Screw
Replacement Procedure - PCB
1. Isolate the electrical supply to the control box.
2. Remove the cover from the control box.
3. Disconnect the Electrical Cable that connects the transformer to the PCB.
4. Make a note of the positions of the connections for the sensors and the solenoid
valves.
5. Disconnect the solenoid valves and the sensors connections from the PCB.
6. If necessary, disconnect any auxiliary connections from the PCB.
7. Loosen cable glands on top of box to assist PCB removal.
8. Remove the xing screws (2 off) that secure the PCB to the control box.
9. Remove the PCB from the control box.
10. Ret the new PCB in reverse order.
11. The control box will now need programming with the hand held programmer
(refer to the Product Manual for the hand held programmer).