74
Chapter 4
This PSC Compressor Has the Following
Components:
The electrical system on this type of motor is shown
in Figures 4-12 and 4-13.
If replacement parts are needed, refer to the Tecum-
seh Electrical Service Parts Guide Book for informa-
tion on proper replacement parts, or call Tecumseh
Products Company at 1-800-211-3427.
Thermal
Protector
Type
Relay Type
Capacitor
Type
InternalExternalCurrent
Potential PTC
Run
Start
✓
✓
Figure 4-12.
PSC compressor motor type with internal thermal protector without start winding
protection and run capacitor.
Compressor - Unit
Ground
Internal Thermal Protector
Line 2
Run Capacitor
Ground
Line 1
Star
t
Winding
Main
Winding
R
S
C
Control
Figure 4-13.
PSC compressor motor type with internal thermal protector with start winding
protection and run capacitor.
Compressor - Unit
Ground
Internal Thermal Protector
Line 2
Run Capacitor
Ground
Line 1
Star
t
Winding
Main
Winding
R
S
C
Control