![ABB ACH550-UH HVAC User Manual Download Page 26](http://html.mh-extra.com/html/abb/ach550-uh-hvac/ach550-uh-hvac_user-manual_3045265026.webp)
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 water tight
conduit connectors (not supplied).
5. Connect input power and motor cables to
the bus terminals. See
on page
,
on
page
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
on page
.
BP0054
Input Power
Gnd
Cable
Terminal Strip
Only on
ACH550-UH
BP0054
Motor
Gnd
Cable
Summary of Contents for ACH550-UH HVAC
Page 2: ......
Page 8: ...1 8 ACH550 UH User s Manual Table of contents ...
Page 32: ...1 32 ACH550 UH User s Manual Installation ...
Page 66: ...1 66 ACH550 UH User s Manual Application macros ...
Page 186: ...1 186 ACH550 UH User s Manual Parameters ...
Page 333: ...ACH550 UH User s Manual 1 333 Technical data ...