Ice Cuber Operation
5. What refrigerant is used in the “I” series cube ice maker
___A. R404a
___B. R22
___C. R12
___D. HP62
6. On a air cooled cuber, thermistors are located at the following locations:
___A. Evaporator, condenser, and suction line.
___B. Condenser and suction line.
___C. Dump valve, hot gas valve, and evaporator.
7. The thermostatic expansion valve is
___A. Nonadjustable.
___B. Internally adjustable.
___C. Externally adjustable.
___D. automatically adjustable.
8. Circuit board problem diagnosis (check all that are true)
___A. Circuit boards cannot be diagnosed and must be replaced.
___B. Circuit board failure will automatically illuminate error LED.
___C. Circuit board is self correcting.
___D. Can be checked by the self-diagnostics built into the board.
___E. B and D.
9. Ice bridge thickness should be checked at
___A. The top of evaporator.
___B. The bottom of evaporator.
___C. The center of evaporator.
___D. Anywhere in the evaporator.
10. Which component(s) could be checked if the machine fails to shut off when the bin is
full?
___A. The evaporator sensor.
___B. The bin thermostat.
___C. The proximity switch
___D. All of the above.
Comentarios a estos manuales