66
SERVICE HANDBOOK
This PSC compressor has the following components:
Thermal Protector Type
Relay Type
Capacitor Type
Internal
External
Current
Potential
PTC
Run
Start
√
√
WIRED
√
The electrical system on this type of motor is shown in FIGURE 4-14. The actual position of
terminals on the relay may be different than shown in FIGURE 4-14. 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.
*Other auxiliary devices may be attached. Disconnect any auxilliary devices in Step 2.
FIGURE 4-14: PSC compressor motor type with external thermal
protector, wired-in PTC relay and run capacitor
Compressor - Unit
Ground
R
S
C
Line 2
Run Capacitor
PTC Relay
Ground
Identified Conductor
(115 Volt Only)
Line 1
Alt. 3/4" Thermal Protector
4TM Thermal Protector
Star
t W
inding
M
ain
W
inding
Control
Fa n
Motor*
Summary of Contents for AH5540E
Page 1: ...Hermetic Compressor Service Handbook Wholesale Distribution North America...
Page 2: ......
Page 3: ...Hermetic Compressor Service Handbook Ann Arbor MI 48108 REV 3 11...
Page 4: ......
Page 8: ......
Page 9: ...Chapter 1 General Service Safety Precautions...
Page 16: ......
Page 17: ...Chapter 2 Model and Application...
Page 22: ......
Page 23: ...Chapter 3 Compressor Motor and Component...
Page 36: ......
Page 37: ...Chapter 4 Servicing...
Page 38: ...30 SERVICE HANDBOOK...
Page 79: ...71...
Page 80: ......
Page 81: ...Chapter 5 Installation and Replacement...
Page 96: ......
Page 97: ...Liquid refrigerant migration to compressor FIGURE 6 1 Chapter 6 Operation...
Page 108: ......
Page 109: ...Appendix...
Page 113: ...105 Reciprocating Compressor FIGURE A 2 Internal view of typical air conditioning compressor...
Page 118: ...110 SERVICE HANDBOOK Notes...
Page 119: ......