Powerware (4080 KVA) 9390 User Manual Page 47

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Installing Options and Accessories
6-3
Powerware
®
9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev C
6.3 Installing Parallel System Control Wiring
NOTE When installing external wiring to the X-Slot CAN card, conduit must be
installed to the UPS cabinet. When installing internal wiring to the X-Slot CAN card
terminals, route the wiring through the internal opening in X -Slot communication bay.
NOTE When installing interface wiring for the parallel system pull chain, conduit
must be installed between UPMs.
To install parallel system control wiring, perform the following procedures:
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 procedures listed in paragraphs 6.1 and 6.2.
3. Remove the X -Slot conduit landing plate from the UPS cabinet to drill or punch
conduit holes (see Drawing 164201535-6 on page A-27).
4. Reinstall the conduit landing plate and install the conduit.
5. Install CAN wiring between UPMs. See Drawing 164201535-8 starting on page A-33
for Hot Sync CAN Bridge Card location, terminal location, and wiring information.
6. Install parallel system backup control (pull chain) wiring between UPMs. See
Drawing 164201535-8 starting on page A-33 for terminal locations and wiring
information.
7. Install parallel system backup control (pull chain) wiring between the bypass relay
and building alarm 2. See Drawing 164201535-8 starting on page A-33 for terminal
locations and wiring information.
NOTE
Setup of the Hot Sync CAN Bridge Card for parallel operation must be
performed by an authorized Powerware Customer Service Engineer. Contact service to
schedule a date.
8. When all wiring is complete, reinstall the safety shield panels removed in previous
steps. Secure with the retained hardware.
9. Close the control panel door and secure with the retained hardware.
10. Reinstall the door removed previously and secure with the retained hardware.
11. Close the door and secure the latch.
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