American Power Conversion MW manual Battery cable connections bottom cable entry

Page 19

Electrical Installation: Bottom Cable Entry

Battery cable connections (bottom cable entry)

WARNING!

Make sure that the battery breakers are open (OFF) prior to running the cables.

CAUTION!

Refer to the battery manufacturer’s installation manual.

CAUTION!

The minimum DC voltage rating of the battery supply over-current protective device is 500 V.

Over-current protection for the battery circuit is required by code.

Note

BAT 1 and BAT 2 cables MUST be run in separate conduits.

Note

Symmetra MW 1000 kW 480 V Installation - 990-4112E

15

Image 19

Contents Installation Page Contents Specifications Symbols used in this guide SafetyEPO Installation safetyControl Section UPS SectionsSerial number Inverter SectionConfiguration 1 Inverter Section placed to the left ConfigurationsTotal width of UPS sections 4138 mm/163 Weight Configuration 2 Inverter Section placed to the rightExternal Bypass Static Switch Power wiring overview Typical UPS Wiring PrincipleInput/Output wiring precautions External disconnection switchesTop Cable Entry Preparing for top cable entry defaultBattery cable connections top cable entry Front view of Input/Output Section Ground and AC cable connections top cable entry Preparing for bottom cable entry Bottom Cable EntryElectrical Installation Bottom Cable Entry Battery cable connections bottom cable entry Battery BAT 1 + BAT 2 + IN/OUT power cable bottom entry Ground and AC cable connections bottom cable entry Bypass Static Switch Wiring Top cable entry Bottom cable entry Connectionplane 0P0957 Communication cable overviewLocation of optional Relay Board Relay Board OptionalCommunication cables with optional Relay Board Relay Board functions Relay Name Events that will trigger the alarm Mode CommentIN1 Page Low-impedance grounding Low-Impedance/High-Impedance GroundingHigh-impedance grounding Specifications Low-Impedance/High-Impedance Grounding Installation Planning Data Electrical SpecificationDC Input AC InputAC Input External Bypass SSW AC OutputHeat Dissipation 16 National Electrical Code Size Temperature Rating of Cables See Table Recommended cable, bolt, and lug sizes Torque specificationsInput and upstream breakers minimum settings Required Breaker SettingsOutput and downstream breakers minimum settings Dual Utility Installation Nema General Specifications 480990-4112E