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SIC503C
Programmable Compressor Trainer 

COURSE DESCRIPTION
The trainer is designed to provide a minimum of 16 malfunctions that frequently occur in refrigeration and heat pump systems.  The trainer is a heat pump system with controls that operates from 230 VAC-50/60 Hz or 115 VAC/60 Hz.  The instructor can insert specific problems to be located by the trainees.  The student troubleshoots by making measurements from test points located on a system flow diagram.  The A/C system is covered by this flow diagram, limiting access.  

COURSE TIME:  50 Hours.

FEATURES

PROGRAMMABLE MALFUNCTIONS

1. Bad low voltage transformer connection to thermostat
2. Faulty thermostat
3. Blocked evaporator tubes in cooling mode
4. Reversing valve stuck in cool position
5. Bad thermostat, fails to switch to heat mode
6. Evaporator fan motor start rely bad
7. Condenser fan motor start rely bad
8. Compressor start relay bad
9. Bad time delay relay
10. Faulty thermostat, bad mercury switch
11. Bad compressor (no differential pressure)
12. Block condenser tubes (heat mode)
13. Faulty compressor safety circuit
14. Open secondary power fuse on low voltage transformer
15. Open primary power fuse
16. Reversing valve stuck in the heat position

NOTE: It is the responsibility of all domestic USA purchasers to have available an EPA level II certified service technician plus approved apparatus to recycle or remove the R-22 refrigerant.  The Science Instruments Company must receive with your order a statement confirming that you comply with the above requirements.