External disconnection switches
Warning: The UPS has no
Note: The installer must provide each external disconnect device for this UPS system with
labels displaying the following text: “Isolate the Uninterruptible Power Supply (UPS) as instructed in the User Guide before working on the circuit.”
Input/Output wiring precautions
Warning: Only personnel trained in the construction and operation of the equipment, and the electrical and mechanical hazards involved, must install or remove system components.
Warning: Before you start the installation, verify that all AC and DC power source breakers are in the open position.
Warning: Supply the UPS from a 3 × 400/230 V, L1, L2, L3, N, PE source or a high- impedance grounded system.
Caution: All wiring to be in accordance with applicable national and/or local electrical wiring rules.
Note: Use only copper conductors.
6 | Symmetra MW II 1200 kW 3 x 400/230 V Installation - |