1
Download Marley Cooling Tower Basic Control System User Manual
Transcript
Single Speed Wiring Details — 3 Phase INCOMING POWER L 1 L2 L3 PANEL NORMALLY CLOSED VIBRATION SWITCH (OR JUMPER AT 5 TO 7) GREEN RED RED 5 7 6 12 9 11 NORMALLY OPEN CONTACTS FOR CUSTOMER SUPPLIED OVERLOAD TRIP ALARM (OPTIONAL) Note: Terminal block numbers are shown out of order. Actual terminals are numbered in sequential order. RED T 1 T 2T 3 RED RANGE ADJUSTMENT SCREW GROUND TERMINAL BLOCK IF MOTOR RUNS BACKWARDS SWITCH ANY TWO WIRES GROUND BLACK G BLACK EN RE LINE BLACK DIFFERENTIAL ADJUSTMENT SCREW SEE TABLE BELOW GREEN M2 MOTOR TEMPERATURE SWITCH SENSING BULB MOTOR LEAD CONNECTIONS MOTOR TYPE MOTOR LEADS TO STARTER SINGLE VOLTAGE T1 T2 T3 DUAL VOLTAGE HI T1 T2 T3 T1&T7 T2&T8 T3&T9 T1 T2 DUAL VOLTAGE LOW MOTOR LEADS TIED TOGETHER T4&T7 T5&T8 T6&T9 T4, T5, & T6 T3 TO TERMINALS T1, T2, & T3 AT STARTER 21
