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5.5
Installing an Optional Supervisory Contact Module II
EATON Powerware
To install SCM II wiring:
1.
Verify the UPS system is turned off and all power sources are removed. See
Chapter 7, UPS Operating Instructions," for shutdown instructions.
2.
Perform the procedure listed in paragraph 5.1 on page 5−1.
NOTE If mounting to a hollow wall, secure the enclosure to a wood or metal stud within the wall. Do not
use hollow wall anchors.
3.
Securely mount the SCM II at the desired location. See Figure 5-14 on page 5−17
for mounting hole locations.
NOTE When installing signal wiring for CAN card J3 terminals, conduit must be installed between the
device and the UPS cabinet.
4.
Remove the ISBM cabinet top right interface conduit landing plate to drill or
punch conduit holes (see Figure 4-16 on page 4−18).
5.
Reinstall the conduit landing plate.
6.
Install conduit between the UPS and SCM II. See Figure 5-14 on page 5−17 for
SCM II knockout hole location.
7.
Install wiring between the UPS and SCM II. See Figure 5-2 and Table 5-1 for the
Powerware Hot Sync CAN Bridge Card terminal location and wiring information,
and Figure 5-10, Figure 5-8, and Table 5-5 for the SCM II terminal location and
wiring information.
NOTE 120 Vac for the SCM II should be supplied from the critical bus by facility planners or the customer.
8.
Install 120 Vac power wiring from the critical bus to the SCM II. See Figure 5-10,
Figure 5-8, and Table 5-5 for the terminal location and wiring information.
Ground
Terminal
Terminal TB2 Customer
Supervisory Contact Interface
Terminal TB1 Signal
Connections from the UPS
Figure 5-10. Supervisory Contact Module II Terminal Location
®
9395 UPS (1000–1100 kVA) Installation and Operation Manual
INSTALLING OPTIONS AND ACCESSORIES
Terminal TB3
120 Vac Power
S
164201764 Rev 1 www.powerware.com
5−13
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