APC Symmetra RM 4–12 kVA UPS Installation Manual - APC Media

CHAPTER 3: SITE PREPARATIONElectrical RequirementsThe following provides guidance for planning the electrical installation. Check local and national codes. A qualifiedelectrician may be required.Input ConnectionMethodMaximumLoadVoltage(Vac)CurrentFull LoadConnectionHardwired 16 kVA 200, 208, 220,230, or 240100 A • External circuit breaker• #3 AWG (25 mm 2 )Output ConnectionMethodMaximumLoadVoltage(Vac)CurrentFull LoadConnectionHardwired 16 kVA 200, 208, 220,230, or 240Cord connected:North America, Japan, and other200/208/240 Vac countriesCord connected:Europe and other220/230/240 Vac Countries90 A • External circuit breakerAvailable receptacles:• (3) L6-30R• (6) L6-20RAvailable receptacles:• (8) IEC320-C13• (2) IEC320-C19• #3 AWG (25 mm 2 )If required, the output power can be disabled in anemergency by closing a switch connected to the REPO.Remote Emergency Power Off (REPO)Two connection methods are available:• Internally powered for use with non-poweredswitch circuits.• Externally powered for use with +24Vdc poweredswitch circuits.• The REPO circuit is considered aClass 2 (UL and CSA standards)and SELV (IEC standard) circuit.• Both Class 2 and SELV circuitsmust be isolated from all primarycircuitry. Do not connect any circuitto the REPO terminal block unlessit can be confirmed that the circuitis SELV or Class 2. If there is aquestion, use a contact closureswitch.• Use one of the following cable types toconnect the UPS to the REPO switch:CL2: Class 2 cable for general use.CL2P: Plenum cable for use in ducts,plenums, and other spaces used forenvironmental air.CL2R: Riser cable for use in a verticalrun in a shaft of from floor to floor.CLEX: Limited use cable for use indwellings and for use in raceways.• For installation in Canada: Use onlyCSA Certified, type ELC (extra-lowvoltage control cable).• Wiring by a qualified electrician isrequired.16