Eaton Power Xpert Series, Installation And Operation Manual

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Installing Options and Accessories
5-8 Eaton
®
Power Xpert
®
9395C UPS Installation and Operation Manual P-164000821—Rev 01 www.eaton.com/powerquality
5.4 Installing an Optional Supervisory Contact Module II
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.
3. Securely mount the SCM II at the desired location. See Figure 5-10 for mounting hole locations.
4. Remove the ISBM cabinet top right interface conduit landing plate to drill or punch conduit holes (see
Figure 4-14).
5. Reinstall the conduit landing plate.
6. Install conduit between the UPS and SCM II. See Figure 5-10 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 5-6, Figure 5-4, and Table 5-2 for the
SCM II terminal location and wiring information.
8. Install 120 Vac power wiring from the critical bus to the SCM II. See Figure 5-6, Figure 5-4, and Table 5-2
for the terminal location and wiring information.
Figure 5-6. Supervisory Contact Module II Terminal Location
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.
NOTE When installing signal wiring for CAN card J3 terminals, conduit must be installed
between the device and the UPS cabinet.
NOTE 120 Vac for the SCM II should be supplied from the critical bus by facility planners or
the customer.
Ground
Terminal
Terminal TB1 Signal
Connections from the UPS
Terminal TB3
120 Vac Power
Terminal TB2 Customer
Supervisory Contact Interface