XS series operating manualXS user manual v0.55 - 37 -InstallationPreliminary instructionsWarning : This unit must be used by qualified people. Every precaution for the useof units connected to the main must be taken during its use. In particular, this unitmust be connected to earth .The specifications of this manual, the correct operation of the unit as well as the operator’ssecurity are guaranteed only when the supplied accessories (TE54, TE56, CO175, CO183,CO184, ...) are used. The measurement probes can include limitation or protective elements,therefore it is forbidden to modify without written agreement from SEFELEC company.In case of use under other conditions than the one specified in this manual, the security of theuser will be in danger.This unit can supply voltages and currents which could be lethal. Comply with the safetyregulations related to the use of high voltage devices.ALWAYS MAKE SURE THE HIGH VOLTAGE INDICATOR IS NOT ON WHEN CONNECTING ORDISCONNECTING THE SPECIMENS.The XS series unit can be operated from either 115 or 230 volts 15%, 47 to 64 Hz power line. Beforeconnecting the 3 wires power cord (SE1) between the unit and AC power source, make sure the voltageindicated on the inlet module (Z8) is in accordance with the power source.For a change of voltage selection, proceed as follows: Front panel ON/OFF switch in the OFF position Remove the power cord SE1 from the inlet module WAIT AT LEAST 5 MINUTES BEFORE PROCEEDING With a small screwdriver, remove the selection sub-assembly from the inlet module Remove the fuses Take off the pale gray plastic piece Select voltage : 110 for a 115 volts main and 220 for a 230 volts main ( the 240 position is notused). Replace the gray plastic piece to display in the window of the selection sub-assembly the requiredvoltage. Put the right value for the fuses according to the main voltage Replace the selection sub-assembly in the inlet moduleConnect the SE1 power cord
