Figure 18. Version 1 Bypass Ac Input Wiring - Eaton 9355 Series User Manual

Figure 18. Version 1 Bypass AC Input Wiring

Line 1
20. Verify the phase rotation for each UPS and the bypass input.
21. Reinstall the internal cover removed in
22. Reinstall the parallel tie cabinet front cover removed in
23. Proceed to paragraph 4.3.3 Installing Options
4 4 . . 3 3 . . 2 2 V V e e r r s s i i o o n n 2 2 T T i i e e C C a a b b i i n n e e t t P P a a r r a a l l l l e e l l I I n n s s t t a a l l l l a a t t i i o o n n
The Eaton 9355 UPS has the following power connections:
• 3–phase (L1, L2, and L3), neutral, and ground connection for rectifier/bypass input
• 3–phase (L1, L2, and L3), neutral, and ground connection for load output
The nominal input/output voltages are:
• 120/208 or 127/220 Vac
Output overcurrent protection and disconnect switch must be provided by others.
Only qualified service personnel (such as a licensed electrician) should perform the UPS installation and initial
startup. Risk of electrical shock.
To hardwire the parallel system:
1. Verify that the electrical connections to the installation site have been properly installed.
2. A wall-mounted, user–supplied, readily–accessible disconnection device must be incorporated in the input
wiring.
Line 2
Line 3
Step 6.
to continue the installation process.
WARNING
Eaton 9355 Parallel UPS (10/15 kVA) User's Guide 164201601—Rev E0
UPS System Installation
Step 5.
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