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Self Contained Air or Water Cooled Sequence of Operation Quiz

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Self Contained Air or Water Cooled Sequence of Operation Quiz

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Questions and Answers

What action does the water inlet valve take after two 6-minute water fill time limits?

It de-energizes (correct)

It energizes continuously

It diverts hot refrigerant gas into the evaporator

It opens the harvest valve

When does the freeze cycle continue until according to the text?

After the ice thickness probe sends a signal to the control board (correct)

After 6 minutes of baseline readings

After the water fill valve energizes

After the ice thickness probe samples ambient noise

What happens at the beginning of the water purge according to the text?

The air pump opens during the water purge

The water pump de-energizes

The evaporator is warmed by refrigerant gas (correct)

The ice thickness probe samples ambient noise

What action causes the harvest sequence to terminate according to the text?

The water curtain/ice damper is held open for 30 seconds Signup and view all the answers

What triggers the restart of the ice machine according to the text?

3-minute delay period is complete Signup and view all the answers

What occurs before the compressor starts during the initial start-up of the ice machine?

Purging of old water with the water pump and water dump solenoid Signup and view all the answers

What is the purpose of the prechill step in the freeze sequence of the ice machine?

To lower the temperature of the evaporator before water pump is energized Signup and view all the answers

When does the harvest valve(s) and air pump(s) energize during the freeze sequence of the ice machine?

After 5 seconds of refrigeration system equalization and start-up Signup and view all the answers

What happens when the water fill valve energizes during the freeze sequence of the ice machine?

Water touches the low and high water level probes Signup and view all the answers

What is required before the ice machine will start in self-contained air or water-cooled systems?

Depressing the power button and ensuring the water curtain/ice dampers are in place on the evaporator Signup and view all the answers