Eaton 9EHD Series, User'S Installation And Operation Manual

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4 5 Installing Interface Connections
4 5 1 Installing Building alarm Connections
To install wiring:
1. Verify the UPS system is turned off and all power sources are removed. See Chapter 6, “UPS Operating
Instructions", for shutdown instructions.
2. To locate the appropriate terminals and review the wiring and termination requirements, see
paragraph 3.2.3, Table 4-1, Figure 4-8 and Figure 4-12.
3. Interface cables can enter the UPS via bottom hole see Figure4-8 and Figure4-13.
4. Connect the building alarm interface wiring as shown in Table 4-1 and Figure 4-12.
5. If wiring parallel connections, proceed to paragraph 4.5.2; if wiring Mini-Slot connections, proceed to
paragraph 4.5.3;
RS232
PAR IN/RJ45-1
PAR OUT/RJ45-2
Wiring Access
Interface Terminal
See Figure 4-9 for detail
figure 4-8 Interface Terminal locations
Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual 29