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12 Cards in this Set
- Front
- Back
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Usual range for minimum maximum water pressure for ice machine |
80-20 |
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What are three installation related troubleshooting problems that a technician must check? |
Location, drainage and water supply |
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What info is necessary to compare the ice machine current ice production compared to manufacture chart for ice machine? |
Ambient water temperature, total production time, total weight |
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What is the approximate water leaving water temperature for a water cooled iced machine? |
95° to 105° |
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On a water cooled ice machine, how much water should be drained through the connector on defrost? |
None |
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What is the primary cause for ice machine service? |
Lack of maintenance |
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What is the manufacturers warranty coverage for most ice machines? |
Replace defective warranty part within the warranty period |
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What is the proper charging procedure when retrofitting a critically charged r-12 reach in with 401a with an ambient at 80° (30) split? |
Charge to 136 |
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How should you charge an r-12 walk in refrigerator with TEV when retrofitting to 401a with ambient of 80° |
Charge head pressure until reach 168 or has 10° of subcooling |
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How do you charge a 134a refrigerator with a cap tube? |
Weigh in charge as in nameplate |
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What is the best thing to do before evacuating refrigeration system? |
Evacuate gauge and pump on connections to ensure all connections are tight |
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The micron gauge is not working properly, what should you do first? |
Pour alcohol in the inlet to clean it out |
