41
Program control unit
Control system transformer T10
The control system transformer is used to provide the voltage feed for the
circuit boards. The transformer supplies 12 V on its secondary side, and
can be adapted to suit any of four different primary voltages by moving a
strap.
The transformer should normally be connected for a primary voltage of
230 V. Switching for different power supply voltages takes place at
transformer T1.
Fig.
51
51
4746
240 V
230 V
208 V
120 V
Mechanical and electrical design