Powerware 650825 kVA Installing an Optional Supervisory Contact Module, Terminal TB1 Signal

INSTALLING OPTIONS AND ACCESSORIES

5.5Installing 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,

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 5-14on 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 4-18on page 4−20).

5.Reinstall the conduit landing plate.

6.Install conduit between the UPS and SCM II. See Figure 5-14on page 5−17 for SCM II knockout hole location.

7.Install wiring between the UPS and SCM II. See Figure 5-2and Table 5-1for the Powerware Hot Sync CAN Bridge Card terminal location and wiring information, and Figure 5-10, Figure 5-8,and Table 5-5for 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 5-5for the terminal location and wiring information.

Terminal TB3

120 Vac Power

Ground

Terminal

Terminal TB2 Customer

Supervisory Contact Interface

Terminal TB1 Signal

Connections from the UPS

Figure 5-10. Supervisory Contact Module II Terminal Location

EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com 5−13