84
NOTICE: Attach installation wiring to the top of the
terminal strip. Schematics may show otherwise for
clarity.
Start
Capacitor
Run
Capacitor
BL
3
Installation wiring
should be installed
into the top of the
terminal block
1-1/2 HP Capacitor Start, CapacitorRun
Model SMC-CR1521
60 Hz.
11.4 Wiring Connections and Replacement Parts
Start Capacitor
Relay
5 2
1
OR
YL
RD
BK
Line InMotor Leads
1/2 - 1 HP
Use only copper conductors
4773 0311
Y
Start (R)
L2
L1Main (B)
1/2 to 1 HP Capacitor Start, InductionRun
Mo dels SMC-IR0511, SMC-IR0521, SMC-IR0721
andSMC-IR1021
Description Part Number
Overload Protector U17-1313-R
Relay U17-1592-R
Start Capacitor, 105 µF, 330v U17-1430-R
Run Capacitor, 10 µF, 370v U17-1438-R
HP Description Part Number
1/2 Start Capacitor, 43 µF, 270v U17-1422-R
3/4 Start Capacitor, 59 µF, 270v U17-1423-R
1 Start Capacitor, 86 µF, 270v U17-1424-R
1/2 Run Capacitor, 15 µF, 370v U17-1419-R
3/4 Run Capacitor, 23 µF, 370v U17-1292-R
1 Run Capacitor, 23 µF, 370v U17-1292-R
All Relay U17-1592-R
HP Description Part Number
1/2 Start Capacitor, 250 µF, 125v U17-1429-R
1/2 Start Capacitor, 59 µF, 270v U17-1423-R
3/4 Start Capacitor, 86 µF, 270v U17-1424-R
1 Start Capacitor, 105 µF, 270v U17-1425-R
230V Relay U17-1592-R
115V Relay U17-1593-R
Relay
2
1
5
Start
Capacitor
Run
Capacitor
Use only copper conductors
BK
BK
BK
OR
YL RD
RD
Line In
Motor Leads
L2
L1
Main (B)
Y
Start (R)
1/2 to 1 HP Capacitor Start, CapacitorRun
Models SMC-CR0521, SMC-CR0721, and SMC-CR1021
SECTION 11: Submersible Motor Controls