Systec DB-45 - Page 121

V/D S ERIES
E LECTRICAL ASSEMBLIES
Revision: 2.1 4-11
Special circuit board for moto
r control on the radial fan
for D-23!
The circuit board is a modification that interrupts the earth
connection (1, see Fig. 10: unterhalb) between the board and
the mounting plate. You can make this interruption yourself
using a suitable tool.
1
Fig. 10: Special circuit board for motor control on the radial fan (D-23)