User Manual

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Installation
4 Optional. If you are daisy-chaining the REPO function with another UPS, you can shut down the
entire system using a single switch.
Connect the second REPO connector to the REPO port labeled OUT.
NOTE:
A separate contact must simultaneously cause UPS input AC power to be removed.
5 Connect the switch or circuit to the REPO connector on the UPS rear panel using insulated
0.75 mm
2
–0.5 mm
2
(18–20 AWG) wire.
6 Optional. If you are daisy-chaining the REPO function with another UPS, connect the REPO port
labeled OUT to the REPO port labeled IN on the next UPS.
Continue for each UPS. On the last UPS in the daisy-chain, connect a REPO connector (without a
jumper) in the REPO port labeled OUT.
7 Verify that the externally-connected REPO switch is not activated to enable power to the UPS
output receptacles.
8 Continue to the following section, “Hardwiring the UPS Input.”
Hardwiring the UPS Input
WARNING: Risk of electrical shock. Only qualified service personnel (such as a licensed electrician) shall
perform the electrical installation.
The Dell Online Rack hardwired models require a dedicated branch circuit that meets the following
requirements:
S Protection device requires a two-pole disconnection device between the UPS input and the mains
(see Figure 19)
S Breaker must be wall-mounted and be readily accessible to the operator
S For Europe. Breaker must meet the IEC/EN 60934 standard and have a contact air gap of at least
3 mm
S 200–240 Vac
S Single-phase
S 50/60 Hz
S Flexible metal conduit (recommended for ease of service and maintenance)