Vacuum Cleaner User Manual

Regenerative Power Module - September 2010

144-45117-R3

Page 12 of 20

(

)

L2(-)

L1(+)

L2(-)

IN THIS CONFIGURATION SET DIP

SWITCH - 3 “TERMINAL RESISTOR” TO

OFF POSITION ON RPM UNIT

FIGURE 3

400 AMP Single RPM Unit

The connection shown in FIGURE 3 is a single 400 AMP RPM Unit that is connected to the DDC bus

after the M contactor. This is the simplest connection possible and requires no additional protective

components.

+ 24 VDC

FAULT

SYNCH

RESET

FAN

READY

BRAKE LEVEL

INTERLOCK

0 VDC

0VDC

144-45087

RPM

* EXTERNAL

RESISTOR

GRIDS WITH

NORMALLY-

CLOSED OVER

TEMPERATURE

SWITCH

L1 (+) for

RPM is

connected

between M

contactor

and the

DDC drive

RPM resistor

1 2 3 4 5 6 7 8 9 10