ABB ACH550-UH User Manual page 355

Ach550 series, hvac drives (1...550 hp), e-clipse bypass drives (1...400 hp), packaged drives with disconnect (1...550 hp)
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ACH550 E-Clipse Bypass User's Manual
The following is a typical power diagram.
Disconnect Switch
or Circuit Breaker
3 Phase
Input Power
Service Switch
(Optional)
Installation flow chart
The installation of E-Clipse Bypass Configurations for ACH550 drives follows the
outline below. The steps must be carried out in the order shown. At the right of each
step are references to the detailed information needed for the correct installation of
the unit.
PREPARE for installation
PREPARE the mounting
location
MOUNT the unit
REMOVE the covers
from Vertical E-Clipse
Bypass Unit
INSTALL wiring
CHECK jumpers and
switches
CHECK installation
RE-INSTALL the covers
APPLY power
START-UP
Drive with E-Clipse Bypass
3
Drive Input Fuse
Reference in ACH550-UH
Task
Preparing for installation
Prepare the mounting
location
Mount the drive
Remove front cover
Wiring overview
Install the wiring
Check installation
Re-install cover
Apply power
Start-up
Bypass
Control
ACH550
Drive
User's Manual
Installation
section
and
Drive Output
Contactor
Motor
3
Bypass
Contactor
Reference in this Manual
on page 2-10.
Drive identification
Suitable mounting location
(supplement to ACH550-UH User's
on page
Manual)
2-11
Installing the wiring (supplement to
ACH550-UH User's Manual)
on page 2-11.
Check E-Clipse Bypass jumpers and
on page 2-28.
switches
Initial settings and checks
page 2-22.
on page 2-33.
Start-up
Installation
2-9
starting
on

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