Tecumseh AH5540E Service Handbook page 76

68
SERVICE HANDBOOK
This PSC compressor has the following components:
Thermal Protector Type
Internal External
√
The electrical system on this type of motor is shown in FIGURE 4-15. The actual position of
terminals on the relay may be different than shown in FIGURE 4-15. 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.
Control
Line 1
Plug-In
Run Capacitor
Fan
Motor*
Line 2
Ground
Compressor - Unit
Ground
*Other auxiliary devices may be attached. Disconnect any auxilliary devices in Step 2.
FIGURE 4-15: PSC compressor motor type with an external PTC starting
and protector package and plug-in run capacitor.
Relay Type
Current Potential
Thermal Protector
L
C
2
PTC
Relay
C
1
N
PTC Starting and Protector Package
Capacitor Type
PTC Run
√ √
WIRED PLUG-IN
C
S
R
Start