GE Industrial Solutions AF-600 FP Drive Panel - Manual (Page 29)

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1. Operator Devices
Operator Devices for Disconnect Drive – The following section does not apply to the Disconnect Drive Panels.
All door mounted operator functions and annunciations are provided through the drive’s keypad.
Your panel is equipped with several panel door mounted operator devices which may include the following:
one (1) through-the-door, lockable, input device disconnect handle; two (2) operator selector switches; five (5)
indicator lights; and one (1) speed potentiometer. The operation of these devices is explained in this section.
Input Disconnect
The purpose of the panel mounted input disconnect with through-the-door
handle is to provide a local, lockable method of removing all AC input power
from the panel and AF-600 FP drive.
If your panel includes a circuit breaker, in addition to providing a manual
method of applying and removing AC input power from the panel, the circuit
breaker also provides short circuit protection for the panel components.
Hand/Off/Auto Selector
This selector is also referred to as the H-O-A switch. In the “Off” position the
drive will stop outputting power the motor.
In “Hand” mode, power will be applied to the motor through the drive and in this
mode the inverter’s frequency reference are determined by the setting of the
drive’s keypad or by the position of the speed pot on the panel if ordered.
In “Auto” mode, power will be applied to the motor only when a
connection is made between the two remote run contacts on the customer
terminal board inside the panel enclosure. In this mode the inverter’s frequency
reference is determined by a customer supplied 0-10 VDC or 4-20 mA signals.
DEH40608
– Page 3 AN 11-2021 Rev 05, 12/15/2011
WARNING: Although input power is removed from the drive in the “Off”
position this does not guarantee that dangerous voltage levels are
absent. The AF 600 FP drives contain capacitors which can maintain
dangerous voltage levels for an extended period following removal of AC
input power.
Before touching any potentially live parts of the frequency inverter or
drive, it is always advisable to wait at least 20 mins if not specified.
380-480V, 150-300 HP, wait at least 20 minutes
525-600V, 60 – 300 HP, wait at least 20 minutes
Shorter time is allowed only if indicated on the nameplate for the
specific unit.
WARNING: Since an improper setting of the circuit breaker trip level can
result in code violations or inadequate short circuit protection possibly
resulting in a fire or safety hazard, refer to the “Adjustments” section of
this manual for further instructions on setting the trip level.