Quest Engineering DEH 3000R Installation, Operation And Maintenance Instructions - Quest Deh 3000R
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Quest DEH 3000R
Installation, Operation and Maintenance Instructions
9
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c.Pressandholdthe“VENT”buttonuntil“CLOSED”flashesonthedisplay.
d.Releasethe“VENT”button,thenpressitagaintoswitchventmodeto“OPEN”.
e.ConfirmthattheQuestfanisON.VentilationdamperisOPEN.QUESTcompressormustbeOFF.
f.Pressandholdthe“VENT”buttonuntilthe“OPEN”flashesonthedisplay.
g.Releasethe“VENT”button,thenpressitagaintoswitchventmodeto“CLOSED”.
Troubleshooting:
Ifanyfunctionsarenotworkingproperly,checkthewiringandconnections.Avoltmetermaybeusedacross
terminalstoverifyvoltage.Ifthereisconcernaboutthedehumidifiernotoperatingproperly,theleadsexitingthe
QUESTdehumidifiermaybeconnectedaccordingtothefollowingchart:
Wire connections
Operation
Yellow&Blue
Fan&Compressor
Yellow&Green
FanOnly
WARNING!
DO NOT MAKE ANY OTHER CONNECTIONS OR TRANSFORMER DAMAGE
MAY RESULT.
7.VerifyanyadditionaloptionalcontroloperationssuchasfaninterlockorA/Clockout.
8.ProceedtotheOperationsection.
FOR INSTALLER & OWNER:
3. Operation
Onthedisplayscreen,asolid“O”infrontofanyofthe3functions(SETPOINT,VENT,FAN)indicatesthefunction
isoperating.Aflashing“O”indicatesitisinawaitmodeandnotavailableatthemoment.No“O”indicatesthe
functioniscurrentlyOFF.
Solid“O”before
Indicates
SETPOINT
Dehumidifieron
VENT
Freshairventilationcycleinprogress
FAN
Fanon
Waitmodeisafactory-programmedtimeperiodmeanttopreventshortcycles.Thisextendsthelifeofthe
dehumidifier.Whenaflashing“O”isencountered,theunitisinwaitmodeandIT COULD BE UP TO 10
MINUTES BEFORE OPERATION RESUMES.
3.1 Display
•Wheneverthereispowertothecontrol,itwilldisplaythetime,theday,%relativehumidity,andtemperature.
•WhenthecontrolisactuallyswitchedON,the%RHsetpoint,fanstatus,runmode(programorhold),andfresh
airventilationstatusisdisplayed.
•Whenakeyispressedthedisplaywilllightforapproximately½aminute.
•TheTimeandDayisdisplayedatthetopofthescreen.