TeSys U LUTM Controller User Manual 03/2008 - Schneider Electric

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Setting Up the LUTM ControllerAssembly of the LUTM controllerPrincipleInstallationThe function module or communication module (optional) is installed in the controllerbase beneath the control unit, which locks it in position.You must proceed as follows when assembling the controller:Step Action1 Install the module (optional):• Function module:- LUFW10 thermal-overload alarm- LUFV2 motor-load indication• LULC• communication module2 Install the control unit:• Advanced LUCBT1BL/LUCDT1BL• Multifunction LUCMT1BLLocation of the components.LUTM10BLLUTM20BLLUCBT1BLLUCDT1BLLUCMT1BL2LUFW10 LUFV2 LULC•120 1743233 03/2008
Setting Up the LUTM ControllerConnectionConnecting theTransformersWARNINGLOSS OF THERMAL PROTECTIONSwitch off the power supply before disconnecting the current transformers.Do not disconnect the current transformers during operation.Failure to follow these instructions can result in death, serious injury, orequipment damage.Disconnecting the current transformers during use will disable controllerprotection.The three current transformers are connected to the fixed terminals.L1L2L3L1 L2 L3S1S2These terminals can be used to measure the current in all three phases:• 2 x 3 terminals for connecting the current-transformer secondaries placed in eachof the 3 power phases: L1 - L2 - L3• One ground terminal for connecting the center pointNote: Use of the ground terminal is not compulsory.1743233 03/2008 21
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Page 6 and 7: Safety InformationPLEASE NOTEElectr
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TeSys U LUTM Controller User Manual 03/2008 - Schneider Electric

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