60
Eaton 93PM UPS 480V Three-Wire – 100 kW Frame Installation and Operation Manual 164000227—Rev 07
Figure 30. Battery Shunt Trip Terminal Assignments
Not Used
Not Used
Battery Shunt Trip -
Battery Shunt Trip +
4
3
2
1
44..1111..44 G
Geenneerraattoorr IInntteerrffaaccee C
Coonnnneeccttiioonnss
If ESS is enabled and the UPS will be fed by a site generator at any time, the On Generator building alarm must
be wired and configured to a Building Alarm Input. Wiring the On Generator sensing circuit to a building alarm
allows the UPS to optimize its operation with the generator by transferring the UPS from ESS mode to Normal
(double conversion) mode.
NOTE 1
A UPS building alarm input is used to indicate On Generator.
NOTE 2
Any pair of unused building alarm terminals may be used for On Generator connections.
NOTE 3
Program the building alarm to read On Generator and for either Normally Open (default)
or Normally Closed as required by the generator sensing output.
NOTE 4
If installing interface wiring connections between standalone cabinets, conduit must be
installed between cabinets.
NOTE 5
Disconnect terminal block plugs from terminal blocks to wire plugs.
To Install wiring:
1.
Verify the UPS system is turned off and all power sources are removed. See
, for shutdown instructions.
2.
If not already opened, open the front door by lifting the latch from the bottom and turning to the right
(counterclockwise) and swing the door open.
3.
If wiring the interface terminals from the bottom of the UPS, proceed to
Step 8
; otherwise, proceed to
Step 4
.
4.
Top Entry Wiring.
Remove the top interface entry conduit landing plates to drill or punch holes (see
).
5.
Reinstall the interface entry plates and install the conduit.
6.
Route the UPS building alarm interface wiring through the top interface entry conduit landing plates to the
UPS building alarm terminals. See
and
for UPS interface terminal locations.
7.
Proceed to
Step 13
.
8.
Bottom Entry Wiring.
Remove the bottom interface entry conduit landing plates to drill or punch holes
(see
9.
Reinstall the interface entry plates and install the conduit.
10. Route the UPS building alarm interface wiring through the bottom interface entry conduit landing plates to
the bottom access interface wiring channel along the inside of the front door.
11. Route the wiring along the interface wiring channel to the UPS building alarm terminals. See
and
for UPS interface terminal locations.
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