II.
WIRING DIAGRAMS
1.
Wiring diagram AC 3-N-400 50/60 Hz
MOTOR
3
U
V
W
L1
L2
L3
A2
KM1
A1
T1
T2
T3
T2
T3
T1
T2
T3
13
L1
L2
L3
14
9
F
PE
L1
L2 L3
N
CTRL Control panel
KM
General contactor
KM1
Closing contactor
KM2
Opening contactor
SB1
OFF button
FR
Internal thermal cut-out
FR1
L1
L2
L3
A2
KM2
A1
T1
T2
T3
A2
KM
A1
SB1
9
10
1
2
GB
SQ4
3
C
2
10
0
230
1
2
C
SQ1
3
SQ2
RB
Lower heating element
RA
Upper heating element
SQU1 Safety microswitch
SQU2 Closing microswitch
SQU3 Microinterruttore apertura
SQU4 Opening microswitch
5
RB
A1
A2
KM
RB
L2
RA
KM2
KM
KM1
3
4
5
6
7
8
TKA
3
4
2
5
C
6
3
2
7
C
SQ3
8
3
2
RA
L1
CTRL
TKB