90
Eaton 93PM-L 20 – 60 kW (208V) UPS Installation and Operation Manual P-164000711—Rev 03
Figure 43. External Parallel Terminal Block
Pull Chain
Ground_S
CAN H In
CAN L In
Ground (ISP)
Earth
CAN H Out
CAN L Out
Ground (ISP)
Earth
UPS
1
10
External Parallel Terminal Block
44..66..88
EExxtteerrnnaall P
Paarraalllleell P
Puullll C
Chhaaiinn C
Coonnttrrooll W
Wiirriinngg aanndd C
Coonnnneeccttiioonnss
NOTE 1
A UPS building alarm input is used to indicate an open MOB.
NOTE 2
Any pair of unused building alarm terminals may be used for the MOB Aux 1
connections.
NOTE 3
Program the MOB building alarm to read MOB open and for normally closed contacts.
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
Chapter 6
UPS Operating
Instructions
, 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 external parallel pull chain connections using the inter-cabinet wiring access pass-through
(line-up-and-match configurations), proceed to
Step 4
; if wiring the external parallel CAN connections using
bottom entry access, proceed to
Step 6
; if wiring the external parallel CAN connections using top entry
access, proceed to
Step 12
.
4.
Pass-through Wiring.
Route the external parallel pull chain control wiring between UPS cabinets through
the top UPS inter-cabinet wiring access pass-through to the UPS external parallel terminals. See
, or
for UPS wiring access information, and
and
for UPS interface
terminal locations.
5.
Proceed to
Step 15
.
6.
Bottom Entry Wiring.
Remove the bottom interface entry conduit landing plate to drill or punch holes.
Summary of Contents for 93PM-L 60-1
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