DST RECUSORB DR-50R, User Manual

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15 DC-5 EN.01 Seibu Giken DST
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7 TROUBLESHOOTING
7.1 CAPACITY TROUBLESHOOTING
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Normally with the unit working at nominal conditions (with process air at room temperature), the dry air duct should be warm (25-40°C) and the wet air duct should be warm or
hot (30-60°C). If the unit does not maintain the required condition, check table below.
PROBLEM OBSERVATION SOLUTION
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maintain required condition or
achieve expected performance,
despite being operated at full
power.
Dry air outlet duct is warm and wet air outlet
duct is very warm (normal operation).
Check actual moisture load against calculated design moisture load.
Check controller set point/output signal.
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Check rotor alignment and condition of radial and peripheral rotor seals.
Both outlet air ducts are cold (no alarm).
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Check regeneration heater operation.
Check controller set point/output signal.
Dry air outlet duct is cold, wet air outlet duct is
hot (no alarm).
Check rotor rotation.
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In or outlets are blocked. Open dampers or remove blockage.
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