Specifications
WARNING!
Before any service or maintenance
workisperformedontherefrigerated
air dryer system, disconnect power
supplyandlockoutpowersupplyand
depressurize system before performing
maintenanceorservicework.
20
1. Highrefrigerantreadingsgenerallyindicate:
• Dirtycondenser-Cleanimmediately!
• Dryernotturnedon.
• Overloading-Airfloworconditionsin
excessofdryercapacity.
• Highambienttemperature(>100°F)
Provideadequateventilationforproper
cooling, or reduce ambient temperature.
• Condenserfan(s)notrunning-Call
TechnicalSupport.
• Refrigerantcontroltoohigh-Contact
technical support for assistance.
2. Low refrigerant readings generally indicate:
• Lowambienttemperature-Temperatures
below40°F.Increaseambienttemperatures
or install head pressure control valve.
Contact technical support for more
information.
• Refrigerantcontrolsettingtoolow-
Contact technical support for assistance.
• Lossofrefrigerant-CallTechnicalSupport
or qualified refrigeration service.
Condensate Removal
The non-cycling refrigerated air dryer uses a
refrigeration circuit to cool the compressed air
which causes moisture to condense. The condensed
moisture is separated from the dry air and purged
through an automatic drain.
1. Condensatedownstreamofdryer:
• Iftheunitisequippedwithautomaticdrain
override switch, push manual override
button to test drain flow.
• Ensureautomaticelectronictimer(if
applicable) is functioning properly.
• Ensuremoistureseparator(and
coalescer)drainlinesarefreefromblockage.
• Iftheunitisequippedwithy-strainer,
disassemble and clean.
• Ifoilisdownstreamfromthedryer:
- Oil coalescer element is saturated.
-Dryernotturnedonduringairusage.
Other
Sometimesawateroroilproblemdownstream
from the dryer can be identified by an inadvertent
action or inaction by the operator.
• Dryernotturnedonbeforeairusage.
• By-passvalvesinwrongposition.
• Airusageexceedingdryercapacity.
• Oilcoalescerelementdirty.
• Automaticdrainsnotmaintained.
AircelVFSeries-Models10-2000