Manualshelf

Owner's manual

ManualsBrandsBell & Gossett ManualsPumps193 TECHNOVAR VARIABLE SPEED PUMP CONTROLLER AND INTEGRATED AJUSTABLE FREQUENCY DRIVE
21222324252627282930
Operating Instruction
24
6.2 Electric installation and wiring
6.2.1 Means of protection
Ask your power supply company which means of protection are required.
Applicable: AC and DC current-operated circuit breaker (FI), TN systems, protective
circuits.
When using a FI protection switch, make sure that it also releases in the event of
a DC fault, use for each Technovar a separate FI-switch!
6.2.2 Wiring the Technovar to the motor
Remove the 3 screws holding the top cover of the Technovar. Lift off the top carefully, take
off the connection cable to the display carefully remove the ground screw and left aside.
On the next page you can see:
(1) control card with all terminals for the control signals and the RS485 interface
(2) main card with all power components and terminals for power supply and motor
connections