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Installing Options and Accessories
Figure 43. Distributed Bypass System CAN Interface Wiring
REMOTE EPO NC
REMOTE EPO NO
PULL CHAIN/REM EPO RTN
PULL CHAIN
J19
CAN13
GND-E
GND-ISO
CANBL
CAN-BH
CANBL
CANBL 1
CAN15
UPS 1
NOTE 1
NOTE 2
5.
Route and install distributed bypass system pull-chain wiring between the UPS cabinets and customer-
supplied tie cabinet MOBs. See
Table 20. External Pull Chain with MOBs Connections
Terminal
J19
CN5
Table 21. Pull-Chain Wiring Terminations with MOBs
From
UPS 1 CN5 – BLD ALARM 5 RTN
UPS 1 CN5 – BLD ALARM 5
80
Eaton 9395XC UPS 1200kW/1200kVA, 1350kW/1350kVA or 1500kW/1500kVA 164001079—Rev 01
Remote EPO
Return (shared terminal)
REMOTE EPO NC
REMOTE EPO NO
*PULL CHAIN/REM EPO RTN
*PULL CHAIN
GND-E
*GND-ISO
*CANBL
*CAN-BH
CANBL
CANBL 1
UPS 2
Double-wire terminations in connectors from
*
UPS 2 and/or UPS 3 (if installed).
External CAN connections between UPS cabinets require shielded twisted pair wires.
Always confirm contact operation prior to wiring.
Table
20,
Description
Terminal #
Name
Pull Chain
Backup Control for parallel operation.
3
Pull Chain/
Shared RTN for PULL CHAIN and
4
EPO RTN
REMOTE EPO functions.
BLD ALRM 5
Input: Programmable UPS alarm,
1
RTN
activated by a remote dry contact
closure. Default function set for on
BLD ALRM 5
2
maintenance bypass.
To
MOB 1 AUX 1 COM
MOB 1 AUX 1 NC
REMOTE EPO NC
REMOTE EPO NO
*PULL CHAIN/REM EPO RTN
*PULL CHAIN
GND-E
*GND-ISO
*CANBL
*CAN-BH
CANBL
CANBL 1
UPS 3
(If installed)
Table 21
and
Figure 44
for wiring information.
REMOTE EPO NC
REMOTE EPO NO
PULL CHAIN/REM EPO RTN
PULL CHAIN
GND-E
GND-ISO
CANBL
CAN-BH
CANBL
CANBL 1
UPS 4
(If installed)
Recommended Wire Size
Max/Min
[Recommended]
Max Wire = 14AWG / Min Wire =
30AWG
Max Wire = 14AWG / Min Wire =
30AWG]
[Recommended Wire: Twisted Pair
Wires #18AWG (per Building Alarm)]
Function
MOB Open Alarm
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