64
SERVICE HANDBOOK
This PSC compressor has the following components:
Thermal Protector Type Relay Type Capacitor Type
Internal External Current Potential PTC Run Start
√ √
The electrical system on this type of motor is shown in FIGURE 4-12 and 4-13. The actual
position of terminals on the relay may be different than shown in FIGURE 4-12 and 4-13.
Use the letters and/ or numbers on the actual relay to locate the terminals.
If replacement parts are needed, refer to the Tecumseh Electrical Service Parts Guide
Book for information on proper replacement parts, or call Tecumseh Products Company at
1-800-211-3427.
FIGURE 4-12: PSC compressor motor type with internal protector
without start winding protection and run capacitor.
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
Start Winding
Main Winding
R
S
C
Control
Compressor - Unit
Ground
Internal Thermal Protector
Line 2
Run Capacitor
Ground
Line 1
Star t Winding
Main Winding
R
S
C
Control
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