American Power Conversion MW manual Electrical Specification, Installation Planning Data

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Electrical Specification

Installation Planning Data

Service (480V 3-phase, 3- wire grounded Wye)

Maintenance Bypass Panel

Q3

External Bypass SSW	Q6
Q5	Optional
	Optional

		Q4
		Optional
		UPS
	Q1	Q2
	Q1	Optional
		Optional

Battery	Q7	Q8	Battery
Breaker 1			Breaker 2

Output (480V 3-phase, 3-wire only)

The installation is a typical installation including ancillary equipment, which is available from APC.

Note

UPS and External Bypass Static Switch feed must be generated from synchronized sources.

Note

WARNING!

Supply the UPS from a dedicated, grounded 3-wire Wye service.

WARNING!

The UPS has no internal manual disconnect devices to switch off external AC (Q1 and Q5) and DC (Q7 and Q8) input power. Ensure that disconnection devices are available as separate components for this installation.

CAUTION!

Ensure clockwise phase rotation (L1, L2, L3) of input voltages.

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

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Contents Installation Page Contents Specifications Symbols used in this guide SafetyEPO Installation safetySerial number UPS SectionsInverter Section Control 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/High-Impedance Grounding Low-impedance groundingHigh-impedance grounding Specifications Low-Impedance/High-Impedance Grounding Installation Planning Data Electrical SpecificationDC Input AC InputAC Output AC Input External Bypass SSWHeat Dissipation 16 National Electrical Code Size Temperature Rating of Cables See Table Recommended cable, bolt, and lug sizes Torque specificationsRequired Breaker Settings Input and upstream breakers minimum settingsOutput and downstream breakers minimum settings Dual Utility Installation Nema General Specifications 480990-4112E