Installation manual
17
7.4 Converting heating elements
7.4.1 The machine can be converted from 380–415V 3AC to 220-240V 3AC
Disconnect the power to the machine.
Demount the front panel and remove the cover to the heating elements.
Remove the blue cables.
Move cables 357/BN, 356/BK and 358/GY from the red to the white terminals on each element.
Remount the cover to the heating elements and remount the cover panel.
400V/3~ 230V/3~
E1 E2 E3
355/BN
357/BN
354/BK
356/BK
353/GY
358/GY
E1 E2 E3
355/BN
357/BN
354/BK
356/BK
353/GY
358/GY
fig.7909
Demount the cover panel to the contactors.
Machines with one contactor:
• Reconnect K21 according to the figure.
355/BN
358/GY
354/BK
357/BN
353/GY
356/BK
K21
L1
L2
L3
355/BN
357/BN
354/BK
356/BK
353/GY
400V/3~ 230V/3~
358/GY
K21
L1
L2
L3
fig.7907
Machines with two contactors:
• K21 does not need to be reconnected.
• Reconnect K22 according to the figure.
K22
L1
L2
L3
357/BN
356/BK
400V/3~ 230V/3~
358/GY
358/GY
357/BN
356/BK
K22
L1
L2
L3
fig.7908
Remount the cover panel to the contactors.
Connect the power to the machine.
Check that all terminals and wires are secure and test run the machine on a short program with 60°C to ensure that it
does heat up.