User guide

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Corporate Office: 724.584.5500  Instant Access 24/7 (Parts and Service): 800.458.1960  Parts and Service: 814.437.6861
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Problem PossibleCause Solution
Erratictemperature
control
Lowcoolantflowthroughevaporator Adjustflowtoproperlevel
Intermittentoverloadingofchillercapacity Checktomakesurechillerisproperlysized
forprocessload
Hotgasbypassvalve Contactrefrigerationservicetechnician
Temperaturesensor Replaceiffaulty
Insufficientcooling
(temperature
continuestorise
abovesetpoint)
Processloadtoohigh Checktomakesurechillerisproperlysized
forprocessload
Coolantflowthrough evaporatortoohighorlow Adjustflowtoproperlevel
Insufficientcondensercooling See“HighRefrigerantPressure”
Hotgasbypassvalvestuckopen Contactrefrigerationservicetechnician
Refrigerationcircuitproblem Contactrefrigerationservicetechnician
Temperaturesensor Replaceiffaulty
Drawings
Wehavepreparedacustomsetofdrawingsforyourunitandplacedtheminsidethecontrol
panelpriortoshipment.Pleaserefertothesedrawingswhentroubleshooting,servicing,and
installingtheunit.Ifyoucannotfindthesedrawingsorwishtohaveadditional copies,please
contactourServiceDepartmentandreferencetheserialnumberofyourunit.
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ContactConairPartsandServiceat1‐800‐458‐1960(intheUnitedStates)or1‐814‐437‐6861
(international).Press1forServiceand2forParts.
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