bonitron M3460RD, Manual

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User’s Manual
17
5.
S
TARTUP
, M
AINTENANCE AND
T
ROUBLESHOOTING
5.1.
S
TARTUP
5.1.1.
P
RE
-P
OWER
C
HECKS
Ensure that all connections are tight, DC bus polarity is correct, and that the
drive is connected to the proper terminals. Check for exposed conductors that
may lead to inadvertent contact or shorting. Ensure that the current rating of
the module is suitable for the application.
5.1.2.
S
TARTUP
P
ROCEDURE
Refer to the M3460 Ride Thru User Manual for the startup procedure of the
Ride Thru system. This can be found online at www.bonitron.com or by
contacting Bonitron.
5.2.
M
AINTENANCE
Repairs or modifications to this equipment are to be performed by Bonitron approved
personnel only. Any repair or modification to this equipment by personnel not
approved by Bonitron will void any warranty remaining on this unit.
5.3.
T
ROUBLESHOOTING
5.3.1.
R
IDETHROUGH
S
YSTEM DOES NOT HOLD UP THE DRIVE DURING A
SAG EVENT
Make sure the M3460RD is connected in the negative power return between
the VFD and the M3460R.
Check the polarity of the installation of the M3460RD with respect to the
M3460R and VFD. The anode side of the M3460RD shold be connected to
the VFD and the cathode side should be connected to the M3460RD.
5.3.2.
C
IRCULATING CURRENTS BETWEEN DRIVES OR
H
EATSINK IN THE
M3460R
GETS HOT
Make sure the connections are correct between the drives and the Ride-Thru
Module. The M3460RD is intended to be used only in the negative power
connection between the M3460R and the VFD.
5.4.
T
ECHNICAL
H
ELP
–
BEFORE YOU CALL
If possible, please have the following information when calling for technical help:

Serial number of unit

Name of original equipment supplier

Brief description of the application

Drive and motor hp or kW

The line to line voltage on all 3 phases

The DC bus voltage

KVA rating of power source

Source configuration Wye/Delta and grounding