ABB Symphony Harmony Series, Instructions Manual

Page: 89 / 116

PR8 - 2 WBPEEUI210509A1
Procedure
□
7. Install the right DIN mounting bracket and use the Phillips
screwdriver to install the two screws that secure the right DIN
rail mounting bracket to the DC bus monitoring assembly.
□
8. Attach the DC bus monitoring assembly to the DIN rail on
the rear of the power chassis and press the locking devices
into place as shown in Figure
PR8-3 .
□
9. Refer to Figure PR8-3 and connect the wires to the DC bus
bar and the cable connector to J1.
NOTE: Do not disconnect or connect the cable from the DC bus monitoring
assembly to the DC bus bar while the system is operating. Doing so could
cause a PFI to occur.
□
10. If this procedure is part of DC bus monitoring replacement
rather than an initial installation, duplicate the wiring and
cabling from the replaced bus monitoring assembly to the new
DC bus monitoring assembly. If this procedure is part of initial
DC bus monitoring assembly installation, continue with the
next procedure in the installation sequence.
Figure PR8-1. DC Bus Monitoring Assembly Jumper Access
T 04497 A
J1
J2
D C B U S M O N ITO R IN G A S S E M B LY
P ROTE C TIV E
C OVE R
R IG H T D IN R AIL
M O U N TIN G B R AC K E T
S C R E W S
(2)