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MAN.500.REVD.06302015
Troubleshooting
The following table should give an overview of possible errors and an instruction to check and to repair them (is not valid
for the starting-up period of cooler).
Error
Possible reason
Check/Repair
The presence of water
Overloading of the refrigeration
capacity of the cooler due to too
much water vapor or too great a
sample flow rate
A fault in the condensate removal
equipment. The heat exchanger has
become full of condensate
An air leak in the condensate
removal tubing
The pressure of the compressed air
driving the vortex tube has dropped
below 60 psig at the inlet of the
thermal valve
Failure of the sample cooler
The cooler is not cold enough
and needs to be calibrated. See
calibration procedure below
No sample gas flow
Heat exchanger plugged
Alarm shutoff
No power on cooler
Check for an obstruction
Remove heat exchanger from unit and
disassemble
Verify Cool & Dry Indicators are illuminated
Ensure cooler has power supplied
Water carry over
Inadequate drain apparatus
Excessive flow rate
High ambient temperature
Defective cooler
Verify drain tubing is unobstructed and
equipment is functioning satisfactory
Reduce the flow rate
Reduce the ambient temperature (Increase
ventilation or relocate cooler)
Verify air flow across the heat sink
Hold hand in front of heat sink fins and ensure
air movement
Содержание 500 series
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