MOUNTING AND WIRING 4-9
SB1391 Hardware and Setup Guide - Document revision no. 1.14
FIGURE 4-8 Electrical schematic of 12A and 16A line filter for three-phase
4.3.1.1.2. Drive Supply Fuses
There are three internal fuses for drive supply protection and one internal fuse for VP bus circuit
protection.
Warning
Only ACS-Tech80 authorized service personnel are permitted to replace
internal fuses or perform any other servicing operations.
4.3.1.1.3. Phase-Loss Protection Mechanism
When three-phase drive supply is used, phase-loss protection is available by removing jumper JP2
from the driver board. Note, however that the driver cannot be operated in single-phase until the
jumper is reinstalled. This is because the control module will interpret the lack of a third wire
(only two are used for single phase) as a phase-loss.
FIGURE 4-9 Jumper JP2 (factory default: installed) on driver board
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