Battery Power Wiring; Installing Interface Connections; Installing Building Alarm And Relay Contact Connections - Eaton 93PM-L Installation And Operation Manual

UPS System Installation
4.5

Battery Power Wiring

When sizing the battery system, do not exceed the internal battery charger capabilities. See
Chapter 9, "Product Specifications, " for maximum battery charger currents.
To install wiring:
1. Route and connect the battery cables between the UPS and battery cabinet or battery disconnect
according to the instructions in the Eaton 93PM Integrated Battery Cabinet Installation Manual-Small
Welded or the Eaton 93PM Universal Integrated Battery Cabinet Installation Manual-Large and Large High
Rate, listed in paragraph 1.8. See Figure 4-5, Figure 4-6, and Figure 4-7 for wiring access information, and
Figure 4-8 for terminal locations.
2. Connect the positive, negative, and ground DC power wiring from the battery cabinet or disconnect to the
UPS cabinet battery and ground terminals. See paragraph 3.2.2 for wiring and termination requirements.
For a detailed view of the UPS terminal block, see Figure 4-9.
3. After wiring the UPS system to the facility power and critical load, be sure to ground the system according
to local and/or national electrical wiring codes.
4. If wiring interface connections, proceed to paragraph 4.6; otherwise, proceed to Step 5.
5. Reinstall all safety shield panels previously removed and secure with the retained hardware.
6. If removed, reinstall the sidecar front panel and secure with the retained hardware.
7 . Close the UPS outside door and secure the latch.
4.6

Installing Interface Connections

Use the procedures in the following paragraphs to connect the customer and battery interface connections.
4.6.1

Installing Building Alarm and Relay Contact Connections

NOTE 1
NOTE 2
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. If not already opened, open the front door by lifting the latch from the bottom and turning to the right
(counterclockwise) and swing the door open.
3. If wiring the interface terminals from the bottom of the UPS, proceed to Step 8; otherwise, proceed to
Step 4.
4. Top Entry Wiring. Remove the top interface entry conduit landing plates to drill or punch holes (see
Figure 4-5).
5. Reinstall the interface entry plates and install the conduit.
6. Route the UPS building alarm and relay output interface wiring through the top interface entry conduit
landing plates to the UPS building alarm and relay output terminals. See Figure 4-5 for wiring access
information, and Figure 4-14 and Figure 4-15 for UPS interface terminal locations.
7 . Proceed to Step 13.
4-20 Eaton 93PM-L UPS (20–120 kW, 208V) Installation and Operation Manual P-164000688—Rev 02
If installing interface wiring connections between standalone cabinets or separate
devices, conduit must be installed between each cabinet or device.
Disconnect terminal block plugs from terminal blocks to wire plugs.
CAUTION
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