Wiring Procedures - 3 Phase Field Installation Starter Wiring - Curtis CT Series Instruction Manual

CT SERIES
WIRING PROCEDURE
FOR
3 PHASE FIELD MOUNTED MOTOR STARTER
TURN OFF POWER BEFORE SERVICING!!!
1. CONNECT MOTOR LEADS AS PER DIAGRAM ON MOTOR NAMEPLATE
TO STARTER TERMINALS T1, T2 & T3 CONNECT ONE WIRE FROM
PRESSURE SWITCH TO STARTER TERMINAL L1 (USE 18 GAUGE
WIRE).
2. CONNECT 2
TERMINAL A2 (USE 18 GAUGE WIRE). A2 IS OPEN SPADE CLIP
BEHIND L3.
3. CONNECT INCOMING POWER LINES TO STARTER TERMINALS
L1, L2 & L3.
4. COMPRESSOR FLYWHEEL ROTATION SHOULD BE
COUNTERCLOCKWISE WHEN FACING FLYWHEEL.
5. IF COMPRESSOR FLYWHEEL ROTATION IS REVERSED,
INTERCHANGE INCOMING POWER WIRES TO STARTER TERMINALS
L1 & L2.
ND
WIRE FROM PRESSURE SWITCH TO STARTER COIL
PAGE 28
CAP 410
CONNECT INCOMING
POWER WIRES TO
STARTER TERMINALS
L1, L2, L3
CONNECT ONE WIRE
FROM PRESSURE SWITCH
TO STARTER TERMINAL
L1.
CONNECT SECOND
WIRE FROM PRESSURE
SWITCH TO STARTER
COIL TERMINAL A2.
THERMAL
OVERLOADS (3)
CONNNECT MOTOR
LEADS TO T1, T2, T3.