ABB Symphony Harmony Series, Instructions Manual

Page: 112 / 116

WBPEEUI210509A1 PR16 - 1
PR16
Checking Connections
Purpose/Scope
This procedure explains how to check connections.
Parts None.
Tools Individual tools cannot be listed due to the numerous connec-
tions involved.
Safety Considerations
Procedure
Check all signal wiring, power, and ground connections within
the cabinet to verify their integrity. When checking connec-
tions, always turn a screw, nut or other fastening device in the
direction to tighten only. If the connection is loose, it will be
tightened. If the connection is tight, the tightening action will
verify that it is secure. There must not be any motion to loosen
the connection.
□
1. Be sure power is removed at the source before starting this
procedure.
□
2. Check and verify that all line, neutral, and grounding con-
ductor connections on the PEP are secure and within the
torque values listed in Table
PR16-1 .
□
3. Check and verify that all other power connections within
the cabinet, including connections to the power chassis are
secure and within the torque values listed in Table
PR16-1 .
□
4. Check and verify that all field wiring connections to the
modules are secure.
1 hr
WARNING
1. Disconnect power before attempting these procedures. Fail-
ure to do so could result in severe or fatal shock, or equipment
damage.
W1