Altec AIR MHR Series, Руководство пользователя

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PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Elevated Dew Point Insufficient purge rate 1. Check purge flow settings.
2. Check purge piping for obstruction
3. Clean purge piping and muffler
Inlet air/gas pressure below
source/design condition
1. Check pressure
Flow rate higher than design
for condition
1. Check flow rate and
2. Determine what caused increased demand
Inlet temperature above de-
sign for condition
1. Check after-cooler
2. Clean & service as necessary
Entrained water entering the
desiccant bed
1. Check air/water separator drain operation
2. Check pre-filter drain operation
3. Replace desiccant and/or dryer if necessary
Desiccant contaminated by oil 1. Check pre-filter element
2. Check pre-filter drain operation
3. Replace desiccant and/or dryer if necessary
Excessive Pressure
Drop in Air Dryer
Excessive flow rate 1. Check flow rate
2. Located what caused increased demand
Inlet pressure below design
for condition
1. Check pressure
Failure to Shift Tow-
ers from Drying to
Regenerating Service
No input power 1. Check input voltage
Defective timer 1. Check input and output voltages
Defective solenoid valve 1. Check input voltage to solenoid valve
2. Check outlet air flow from solenoid valve
No pilot air 1. Check pilot air-line for blockage
2. Check to see if pilot air-line filter is clean.
3. Replace element if needed
Defective inlet valves 1. Check pilot air source
2. Refer to steps above if no pilot air detected
TROUBLESHOOTING GUIDE