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Wiring diagram for testing power unit LT1
U L1
U L2
U L3
K1EN
LT 1
K1
U L1
U L2
U L3
K1EN
K1
U L1
U L2
U L3
K1EN
K1
2
1
LT 2
LT 3
No.
Description
1
4 mm sockets to control unit
2
4 mm sockets to the AC terminals
3
Sliding switches
G
AC generator
V
V: DC voltmeter
8. Switch on the Q4 DC circuit breaker
– [power unit LT2: DC circuit breaker Q5]
– [power unit LT3: DC circuit breaker Q6]