Index
I - 2 ACH 400 with Electronic Bypass User’s Manual
K
Keypad
ACH 401 control panel
2-4
bypass control keypad 2-5
detailed description of operation 2-5
keypad control tests 4-4
operator control overview 2-4
L
LED’s 2-5
Liability, information 1-2
Location, mounting 3-3
M
Macros 4-4
Manual, how to use 1-1
Mechanical installation 3-4
Modes
auto mode
2-7
bypass mode 2-6
drive mode 2-6
drive/bypass mode transfers 2-7
drive/bypass select key 2-6
hand mode 2-6
operating modes 2-6
user override mode 2-7
Motor cable length 3-17
Motor Protection
overload relay
2-4
reset key 2-6
short circuit and ground fault 2-2
Mounting location 3-3
N
Notes, definition iv
O
Operator Control
detailed description of operation
2-5
overview 2-4
Option
circuit breaker
2-2
fieldbus adapter module 2-4
Outputs
relay contact
2-8, 3-20
Overload Relay
motor protection
2-4
reset key 2-6
trip current adjustment 4-3
Override, user 2-7
P
Parameter settings 4-4
Potentiometer adjustment, overload trip current 4-3
R
Relay contact outputs 2-8, 3-20, 4-3
Relay contact ratings 3-20
Rotation direction checking (drive) 4-6
Rotation direction, checking (bypass) 4-6
S
Safety Instructions 4-6
installation wiring 3-15
Motor starting upon application of power 4-5
start up 4-1
voltage tolerance tests (Hi Pot or Megger) 3-15
wait 5 min. after disconnecting power 4-5
Safety instructions
general
iv
warning symbols iv
Starting on application of power 2-7
Start-up data parameters 4-4
Switch settings 4-2
T
Terminal block nomenclature 1-1
Tests
hi pot
3-15
keypad control 4-4
Megger 3-15
motor disconnected 4-4
Type code 2-1
U
User override mode 2-7, 4-2
V
Voltage tolerance tests
hi pot warning
3-15
Megger warning 3-15
W
Warnings, definition iv
Warranty, information 1-2
Weights and dimensions 3-4
Wire sizes 3-13
Wiring
cable entries
3-13
conduits 3-16, 3-20
control 3-17, 3-20
input power 3-15
output 3-16
shielded cable 3-20
terminal sizes 3-13
wiring requirements 3-3