Specifications
14
Start-Up Procedure
At any point during the process of startup or shutdown, you notice anything unusual; we recommend you
refertotheoperationmanualimmediately.Ifyoucannotfindtheanswerinthetroubleshootingsection,
contact your Aircel representative or the factory at once.
1. Ensurethatthedryerisconnectedtoa
suitablecompressedairsupply.Makesure
that the pressure of the supply is equal to
the normal operating pressure of the dryer.
2. Checktomakesurethe“shut-off’valves
are closed and that by-pass valve is open.
3. Close all manual drain/vent valves.
4. Slowlypressurizethedryerbygradually
(slowly)openingtheinletshut-offvalveto
theOPENposition.
5. Whenbothtowersofthedryerare
completelypressurized,checkthecomplete
systemforpossibleairleaks.Usesoap
and water to test all joints and fittings.
Ifanyleaksaredetected,immediately
depressurizetheunitandcorrecttheleaks.
6. Makecertainthatanyautomatic
condensate drain isolation valves are in
the open position so proper condensate
draining can occur.
7. Whennormaloperatingpressureis
reached,switchonelectricalpower(Turn
switchtoONposition)
8. With by-pass valve closed, open the outlet
valve slowly to allow air downstream.
9. When energized one of the towers should
depressurize.
10.Checktheoperationofseveralcycles
completely by following the control panel
display screen operation, the panel lights
ontheelectricalbox,andthetower
pressuregaugestomakecertainthedryer
system is operating as displayed. Also
refertothehowitworkssection,flow
diagram, electrical drawing, dryer control
display screen descriptions, and sequence of
operation in this manual for reference.
11.Checkthedrainvalveforproperoperation
anddischargeofliquid(filtersand
separators,etc.).
12.Nearthedryeroutlet(APV)valve,check
the control air/ pilot air regulator secondary
pressure, the regulator gauge should read
100psig.Increaseordecreaseregulator
knobtoachievea100psigcontrolair
secondary pressure reading.
13.Makecertainthepurgeexhaustvalves
slowlyopenwithinan8to12secondtime
period, some adjustment of the flow control
valve attached to the actuator may be
required, after adjustment tighten down the
lockingcollar.
14.Makecertainaslightamountofairflow
isfeltattheendoftheEMSRHsensor
samplecellexhaustcoiltube(thisis
normallylocatedatthebackofthedryer)
adjust the needle valve to give more or less
flow.
15.Reviewthedryersystemdisplayscreen
shots(inthismanual)tomakecertain
the parameters are set as needed in the
customer dryer.
16.Purgeairflowispresetandnotadjustable.
After the initial startup, the dryer operation is completely automatic. To understand the details of the
operation,werecommendyouusethehowitworkssection,flowdiagram,electricaldrawing,dryercontrol
display screen descriptions, and sequence of operation in this manual for reference.
AircelAHLDE-Series-Models1000-5000