REFRIGERATION SYSTEM DIAGNOSIS GUIDE
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| System | Suction | Suction | Compressor | Condenser | Capillary | Evaporator | Wattage |
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| Condition | Pressure | Line | Discharge |
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| Normal | Normal | Slightly below | Very hot | Very hot | Warm | Cold | Normal |
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| room |
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| temperature |
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| Overcharge | Higher than | Very cold | Slightly warm | Hot to warm | Cool | Cold | Higher than |
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| normal | may frost | to hot |
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| normal |
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| heavily |
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| Undercharge | Lower than | Warm - near | Hot | Warm | Warm | Extremely cold | Lower than |
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| normal | room |
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| near inlet - | normal |
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| temperature |
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| outlet |
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44 |
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| below room |
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| temperature |
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| Partial | Somewhat | Warm - near | Very hot | Top passes | Room | Extremely cold | Lower than |
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| Restriction | lower than | room |
| warm - | temperature | near inlet - | normal |
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| temperature |
| lower passes | (cool) or | outlet |
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| vacuum |
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| cool | colder | below room |
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| (near room |
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| temperature) |
| backing up |
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| due to liquid |
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| Complete | In deep | Room | Room | Room | Room | No | Lower than |
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| Restriction | vacuum | temperature | temperature | temperature | temperature | refrigeration | normal |
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| (cool) | (cool) | (cool) | (cool) |
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| No | 0 PSIG | Room | Cool | Room | Room | No | Lower than |
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| Gas | to | temperature | to | temperature | temperature | refrigeration | normal |
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| 25" | (cool) | hot | (cool) | (cool) |
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CO2075DWR
Performance ■ Features ■ Design