Envipco FLEX Dual, Service Manual

Page: 52 / 114

3-21
AC Motor Control Box
3.8. AC Motor Control Box
The
AC
Motor Control Box houses the
AC
electrical components and the MC1 control board.
Figure 3-21 shows the components and connectors of the
flex AC
Motor Control Box. The
connectors that are used for development and testing are not labeled.
The
FLEX HDS AC
Motor Control Box differs in that it has two Variable Frequency Drives with
corresponding fuse blocks, which control the two compactor motors.
The
MC1
Board controls the safety interlock and the compactor it is housed inside the AC Motor
Control box.. Figure 3-22 shows the layout of the board
FIGURE 3-21.
FLEX and FLEX HDS AC Motor Control Box Components
Power Cord
Fuse Block for VFD Mechanical Counter Safety Loop Override Compactor Motor Disconnect
240V AC Power Out
Fuse Block for
RVM Controller
Terminal Block
Compactor 230V
Variable Frequency Drive MC1 Board
3-24