82
Eaton 93PM Integrated Accessory Cabinet-Tie (50 kW and 100 kW IAC-T) Installation and Operation Manual P-164000371—Rev 05
66..44..11
TTrraannssffeerrrriinngg tthhee U
UP
PS
S ttoo M
Maaiinntteennaannccee B
Byyppaassss ((IIA
AC
C--TT w
wiitthh aa M
MIIS
S aanndd aa M
MB
BP
P))
CAUTION
Only trained personnel familiar with the operation of this equipment should transfer loads. Failure to follow this
transfer sequence may cause loss of power to loads.
CAUTION
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
To transfer the load to maintenance bypass:
1.
Open the front door by lifting the latch from the bottom, turning to the right (counterclockwise), and
swinging the door open.
2.
Transfer the UPS from normal mode to bypass mode. Refer to the applicable Eaton 93PM UPS Installation
and Operation manual, listed in paragraph
, for UPS operating procedures.
CAUTION
Failure to close the MBP before opening the MIS will result in the loss of power to the critical load.
3.
Close the MBP
4.
Slide the interlock bar to the right (see
5.
Open the MIS.
The critical load is supplied by the maintenance bypass source.
6.
Open the MOBs
7.
Close the door and secure the latch.
8.
Shut down the UPS. Refer to the applicable Eaton 93PM UPS Installation and Operation manual, listed in
paragraph
, for UPS operating procedures.
66..44..22
TTrraannssffeerrrriinngg tthhee U
UP
PS
S ffrroom
m M
Maaiinntteennaannccee B
Byyppaassss ((IIA
AC
C--TT w
wiitthh aa M
MIIS
S aanndd aa M
MB
BP
P))
CAUTION
Only trained personnel familiar with the operation of this equipment should transfer loads. Failure to follow this
transfer sequence may cause loss of power to loads.
To transfer the load from maintenance bypass:
1.
Open the front door by lifting the latch from the bottom, turning to the right (counterclockwise), and
swinging the door open.
2.
Close the MOBs
3.
Start the UPS in bypass mode. Refer to the applicable Eaton 93PM UPS Installation and Operation manual,
listed in paragraph
, for UPS operating procedures.
CAUTION
Failure to close the MIS before opening the MBP will result in the loss of power to the critical load.
4.
Close the MIS.
Summary of Contents for 93PM IAC-T Series
Page 98: ...P 16400037105 P 164000371 05 ...