McQuay RVSS14 User Manual

50 IOMM Starter
Metering incorrect
Condition Cause Solution
CTs installed or wired incorrectly.
Verify correct CT wiring and verify
that the CTs are installed with all the
White dots towards the input line
side.
CT ratio parameter (FUN 03, P68)
set incorrectly.
Verify that the CT ratio parameter is
set correctly.
Power Metering not reading
correctly.
Burden switches set incorrectly.
Verify that the burden switches are
set correctly.
PF Meter not reading correctly. CTs installed or wired incorrectly.
Verify correct CT wiring and verify
that the CTs are installed with all the
White dots towards the input line
side.
Energy Saver active. Turn off Energy Saver if not desired.
Loose connections.
Shut off all power and check all
connections.
SCR fault.
Verify that the SCRs gate leads are
connected properly and the SCRs are
ok.
Load actually not steady.
Verify that the load is actually steady
and that there are not mechanical
issues.
Motor Current or Voltage meters
fluctuating with steady load.
Other equipment on same power feed
causing power fluctuations and/or
distortion.
Fix cause of power fluctuations
and/or distortion.
Voltage Metering not reading
correctly.
In medium voltage systems, Rated
Voltage parameter (FUN 05, P66) set
incorrectly.
Verify that Rated Voltage parameter
is set correctly.
CT ratio parameter (FUN 03, P68)
set incorrectly.
Verify that the CT ratio parameter is
set correctly.
Burden switches set incorrectly.
Verify that the burden switches are
set correctly.
Current Metering not reading
correctly.
CTs installed or wired incorrectly.
Verify correct CT wiring and verify
that the CTs are installed with all the
White dots towards the input line
side.
CT ratio parameter (FUN 03, P68)
set incorrectly.
Verify that the CT ratio parameter is
set correctly.
Burden switches set incorrectly.
Verify that the burden switches are
set correctly.
Ground Fault Current Metering not
reading correctly.
CTs installed or wired incorrectly.
Verify correct CT wiring and verify
that the CTs are installed with all the
White dots towards the input line
side.

McQuay RVSS14 Specifications

General

Brand	McQuay
Model	RVSS14
Category	Controller
Language	English