Upgrade Procedure; Remove The Rear Casing; Safety Precautions; Procedure - Abb Ak100 Upgrade Instruction Manual

6 A K 1 0 T O G A H | U P G R A D E I N S T R U C T I O N | I N/A K 1 0 -TO - G A H - E N R E V. A

5 Upgrade procedure

5 .1 Remove the rear casing

5.1.1 Safety precautions

WARNING
Electricity hazard
Make sure that the system is fully isolated from power
supplies or other external wiring before you start this

procedure.

5.1.2 Procedure
1 If not already removed, undo and remove the four retaining
nuts.
Figure 1 Retaining nuts
Figure 2 Retaining nuts removed
2 If panel-mounted, also remove the four locking cams, then
dismount from the rear casing.

5 .2 Disconnect and remove existing wiring

5.2.1 Requirements

Table 2 Tools required
Part number Description
— 7 mm spanner
14 mm spanner
—
5.2.2 Procedure
1 Disconnect all wires from connections 1 and 2 on all safety
barriers present:
• AK101: Three safety barriers, five disconnections
• AK102: Two safety barriers, four disconnections (see Figure 3)
• AK103/AK104: x1 safety barrier, x2 disconnections
Figure 3 AK102 safety barriers
2 Disconnect the blue and brown heater wires from the L and
N terminals on terminal blocks A on the 4600 display(s).
Figure 4 Heater wires
3 Disconnect the ground wire(s) from terminal E on each
display unit.
4 Pull both black terminal blocks A and B from the back of each
4600 display.
Quantity
1
1