Xylem IM154 R01 AQUAVAR - Manual (Page 6)

5
AQUAVAR
Pin Connection
(to display)
40 Pin Connection
(to power board)
DIP - Switch
SW 4
24VDC Output
(max. 800mA)
for External Fan
RS485
Terminals
Motor Connection Control Terminal Block Main Supply
ATTENTION
Main Parts of the Control Board
(PN# 2509641)
Dip-Switch on the Controller Board
SW4: DIP-Switch to Select the Switching Frequency
Before switching, disconnect the power supply, otherwise
the AQUAVAR could be destroyed.
SW 4 Switching Frequency
1 2
OFF OFF 8 kHz (Standard)
ON OFF 5 kHz
OFF ON 4 kHz
ON ON 2.5 kHz* *Recommended for submersible motors.
NOTE
Lower switching frequencies reduce heat in motor,
but increase audible noise.
For complete wiring procedures, refer to page 18 of IM043R07.
For complete programming procedures, refer to page 26 of IM043R07.
SW 4
2
1
8