
Installing Options and Accessories
6.5 Installing a Supervisory Contact Module II
To install SCM II wiring, perform the following procedure:
1.Verify the UPS system is turned off and all power sources are removed. See Chapter 10, “UPS Operating Instructions,” for shutdown instructions.
2.Perform the procedure listed in paragraph 6.1.
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 drawing
NOTE When installing signal wiring for CAN card J3 terminals, conduit must be installed between the device and the UPS cabinet.
NOTE Remove the UPS cabinet top or bottom conduit landing plate to drill or punch conduit holes (see Drawing
4.Remove the
5.Reinstall the conduit landing plate.
6.Install conduit between the UPS and SCM II. See Appendix A for UPS cabinet and SCM II wiring access information.
7.Install wiring between the UPS and SCM II. See Drawing
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 Drawing
NOTE Setup of the Powerware Hot Sync CAN Bridge Card must be performed by an authorized Eaton Customer Service Engineer. Contact service to schedule a date.
EATON Powerware® 9390 UPS |