DESCRIPTION
The Advance Controls, Inc. VFD Transfer Switch System can operate in either of two (2) reversible modes.

MODE A
Transfer Switch connects either the main drive or the backup drive to the motor.

MODE B
Transfer Switch connects either the main motor or the backup motor to the drive.

TYPICAL SPECIFICATION

ITEM #1
All multiplex installations are to be furnished complete with a manually operated cam style transfer switch system with positive opening contacts. Contactor or other types of transfer systems are not allowed.

ITEM #2
The manually operated cam switch style transfer switch shall be manufactured by Advance Controls, Inc., Bradenton, Florida. The switch shall have 2 positions, “1” and “2”.

ITEM #3
The switch shall be packaged in an enclosure separate from the VFD.
The degree of environmental protection furnished by the enclosure shall be Type 12, Type 4 or Type 4X.

ITEM #4
The transfer system shall be specified, sized and installed