NCR 7882 Installation And Owner's Manual

NCR 7882 Installation And Owner's Manual Manual pdf 31 page image

7882 Scanner Installation and Owner Guide497-0419630 Release D 04/01 31 of 58Ventilation RequirementsThe NCR 7882 Scanner/Scale is designed to operate without an exhaust fan in thecheckstand; however, there must be adequate convection air flow. The ambienttemperature inside the checkstand cannot be higher than 104° F (40° C). Also, theambient temperature inside the checkstand cannot be higher than 12.6° F (7° C) abovethe ambient temperature outside the checkstand. For example, if the ambienttemperature outside the checkstand is 76° F (24.4° C), the ambient temperature insidethe checkstand cannot be greater than 88.6° F (31.4° C). If the checkstand contains otherheat producing equipment, you may need to use forced air to keep the temperaturewithin the specified range. However, air coming into or leaving the checkstandMUST NOT enter or exit past the 7882 Scanner/Scale.Electrical WiringFeeder wiring and insulated ground frommain service panel to distribution panelto be run in metal conduit.The electrical wiring must meet allelectrical codes, laws, and regulations.Note:Circuit BreakersNCR circuits should be run inseparate metal Conduits.Isolated/InsulatedGround BusIsolated Ground ReceptaclesNeutral andGround BusNeutralBusInputVoltageInput Voltage L1, L2 Circuit BreakersU.S., Canada, &JapanEuropeanInternational100Vac to 120Vac220Vac220Vac to 240Vac100Vac to 120Vac220Vac220Vac to 240VacStandard single-pole; valuedetermined by type of devicebranch and by electrical code.European double-pole.Circuit B: TerminalInstallation TypeNCR circuits must be dedicated toNCR equipment or other logicallyconnected electronic equipment(modems, DAA, bridges, etc.)Note:Circuit C: Scanner/ScaleReceptacle should be easilyaccessible and near theScanner/ScaleL2L3Distribution PanelMain ServicePanelConduitCheckstandFrameCircuit A: CheckstandBeltMotorBelt ControlLightingMisc. Equip.NGL1R0121