ZEKS Eclipse 500ZPB - User Manual

Questions and Answers

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johnsonanthonyAug 12, 2025
What to do if the inlet temperature exceeds the rated capacity of ZEKS Eclipse 500ZPB?
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  william13Aug 12, 2025
  If the inlet temperature to your ZEKS Dehumidifier exceeds its rated capacity, inspect the air compressor after-cooler and drain to ensure proper operation. The after-cooler may require cleaning to operate properly. Verify the inlet temperature does not exceed 120°F under normal operating conditions. For applications that approach 120°F on a continuous basis, dryer sizing should be reviewed prior to operation of the dryer. The standard design is rated based on an inlet condition of 100°F @ 100 PSI and will not deliver proper performance if it is undersized.
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Stephanie ThorntonAug 18, 2025
What happens if the flow rate is higher than the design condition of ZEKS Dehumidifier?
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  mlewisAug 18, 2025
  If the flow rate is higher than the design condition for your ZEKS Dehumidifier, verify that compressor sizing is properly matched to dryer capacity. For specialty systems where the outlet of the dryer is piped to a booster compressor, verify that the flow of the booster compressor is below the rated capacity of the dryer. Excessive flow will fluidize the desiccant bed and result in dusting that will significantly reduce performance.
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gonzalezjennaAug 22, 2025
What to do if there is excessive pressure in the regeneration tower of my ZEKS Eclipse 500ZPB Dehumidifier?
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  Michael SpearsAug 23, 2025
  If you observe excessive pressure (above 3 PSI) in the tower designated for regeneration in your ZEKS Dehumidifier, the purge muffler may be clogged. Inspect the purge mufflers for clogging and replace as required, following proper safety precautions. Alternatively, there could be an air leak across the purge muffler. Determine if the inlet and outlet check valves are functioning correctly.
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alvarezchristinaAug 28, 2025
What to do if the desiccant bed is flooded with moisture in my ZEKS Eclipse 500ZPB Dehumidifier?
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  Sonya JonesAug 28, 2025
  If the desiccant bed in your ZEKS Dehumidifier is flooded with moisture, verify that the air compressor after-cooler drain and the pre-filter drain are functioning properly. The desiccant will become saturated if compressed air is permitted to flow through the dryer before it is operating. If this occurs, the performance of the dryer will not easily recover and this will void the warranty on the desiccant material.
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dawnhartmanSep 2, 2025
What to do if my ZEKS Dehumidifier can't maintain line pressure on the drying tower?
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  Charles JamesSep 2, 2025
  If your ZEKS Dehumidifier is unable to maintain line pressure on the drying tower, it could be due to a leaking check valve. Utilize the valve test function to determine if the inlet and outlet valves are functioning properly (NEMA 4 models only).
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Cynthia PaulNov 7, 2025
Why is the dew point elevated in my ZEKS Eclipse 500ZPB Dehumidifier?
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  Kristi HintonNov 7, 2025
  An elevated dew point in your ZEKS Dehumidifier can be attributed to several factors. It could be due to insufficient purge flow. Check the purge flow settings, verify the purge gauge reading, and inspect the purge valve and control air solenoid valves for proper operation, also inspect mufflers for clogging. Another cause may be improper valve operation. Verify the operation of the main flow and purge valves, inspect control air solenoid valves, and verify check valves are maintaining desired pressures using jog and valve test functions. Low inlet air pressure or a flow rate exceeding the design condition can also cause this issue. Check the pressure source, inspect the piping system for leakages, and verify compressor sizing relative to dryer capacity. High inlet temperature or a desicca...