1-26 ACH550-UH User’s Manual
Installation
R7…R8, wiring (both enclosure types)
The figures show connections in the R7 cabinet, the R8 cabinet is similar.
1. Remove the conduit connection plate from the top of the left bay.
2. Route the input power, motor and control cables to the top of the cabinet. Each cable
type (input power, motor, and control) must be in separate conduit.
3. Use punch to create holes for conduit connections as needed.
4. UL type 12 Enclosure: For each conduit
run (input power, motor and control wiring
must be separate), install liquid tight
conduit connectors (not supplied).
5. Connect input power and motor cables to
the bus terminals. See Wiring requirements
on page 1-18, Connection diagrams on
page 1-20.
6. Connect grounds to ground bar.
7. Use available secure points and tie strap
landings to permanently secure control
wiring at a minimum distance of 6 mm
(1/4") from power wiring.
8. Strip the control cable sheathing and twist
the copper screen into a pig-tail.
9. Connect the ground screen pig-tail for
digital and analog I/O cables at X1-1.
(Ground only at drive end.)
10. Connect the ground screen pig-tail for
RS485 cables at X1-28 or X1-32. (Ground
only at drive end.)
11. Strip and connect the individual control wires to the drive terminals. See Wiring
requirements on page 1-18.
BP0054
Input Power
Gnd
Cable
Terminal Strip
Only on
ACH550-UH
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