Digital Equipment HA3000, Руководство по установке, Страница: 72 / 96

4–32 INSTALLATION
4.6.2 Control/Interface Wiring
Connect the two control wires provided with the UPS Distribution Cabinet to the UPS
cabinet terminal block TB2, terminals 11 and 12. Terminal block TB2 is located inside
the UPS cabinet, in the customer cable entry section (Figure 4–3).
4.6.3 Installation and Connection of Optional Digital Output Cables
WARNING
Potentially hazardous voltages exist within this equipment when energized.
Disconnect power to the equipment before removing panels or covers, and
before touching any internal elements.
CAUTION
Output cable assemblies should only be installed or serviced by a qualified
electrician.
4.6.3.1 Output Circuit Breaker Installation
Follow the procedure below to install the output circuit breakers.
1. Open both doors of the UPS Distribution Cabinet.
2. Remove the distribution panel cover by removing four (4) #10-32 screws with cup
washers to expose the output circuit breaker panel.
3. Remove the front conduit cover panel by removing four (4) #10-32 screws with cup
washers.
4. Remove the shipping brace located underneath the conduit plate.
5. Install the appropriate circuit breaker. Figure 4–20 shows the Square-D panelboard
and Figure 4–21 shows the Bryant panelboard.