DST DR-31 T10 Manual Del Usuario página 15

7 TROUBLESHOOTING
7.1 CAPACITY TROUBLESHOOTING
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
maintain required condition or
achieve expected performance,
despite being operated at full
power.
DR-31 T10 EN.05
OBSERVATION
Dry air outlet duct is warm and wet air outlet
duct is very warm (normal operation).
Both outlet air ducts are cold (no alarm).
Dry air outlet duct is cold, wet air outlet duct is
hot (no alarm).
In or outlets are blocked.
SOLUTION
Check actual moisture load against calculated design moisture load.
Check controller setpoint/output signal.
Check rotor alignment and condition of radial and peripheral rotor seals.
Check regeneration heater operation.
Check controller setpoint/output signal.
Check rotor rotation.
Open dampers or remove blockage.
15
EN
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