Regenerative dryers common troubleshooting guide

Regenerative dryers common troubleshooting guide

     1 Symptom : dew point temperature

· Purification flow is too low

· Import pressure is low

· Excessive moisture content

· Import temperature

· Import volume is too low

· Desiccant by oil pollution

· Regeneration temperature is too low

· Dew point indicator is incorrect

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2 Symptom : regeneration temperature is too low ( generally should be 250 ° F or 121 ° C)

· Thermostat faulty or set too low

· Renewable flow is too low

· Regeneration tower is too high backpressure

· Heater Damage

· Contactor failure

· Power Problems

· Heating time is too short

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3 Symptom : regeneration tower rushed back pressure is too high

· Muffler clogged

· Check valve leakage ( see note point 2 )

· Renewable too much traffic

· Renewable exhaust duct obstruction

· Valve diaphragm ruptures

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4 Symptom : too much traffic through the muffler

· Check Valve Leak

· Inlet valve is not switched

· Renewable exhaust valve remains open

· Boost valve can not be closed

· Valve diaphragm ruptures

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5 Symptom : No gas through a drying machine

· Pipe network pressure is too low, two inlet valve closed

Low pressure protection switch is set too high

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6 Symptom : set the alarm for tower

· Inlet valve does not switch

· Turn the timer or micro switch failure

· Pilot pressure is not normal

· Cylinder leakage or blockage

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7 Symptom : Tower not pressurized

· Renewable exhaust valve remains open

· Boost valve failure

· Valve diaphragm ruptures

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8 Symptom : Dryer too much pressure ｄｒｏｐ

· Support desiccant filter clogging

· Over Flow

· Recycling stream is too high

· Regeneration valve to remain open

· Step shutters remain open

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9 Symptom : drying machine can purify

· Orifice clogged

· Regeneration valve can not be opened

· Regeneration valve closes

REPRO -way valve plug

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10 Symptom : Moisture inside the silicone color red indicator

· Moisture indicator in front of the intake valve closes

• All valves work properly

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11 Symptom : tower can not be fully pressurized

· Import pressure is low

· Purification pressure is too low

· Boost time is too short