Quest Engineering DEH 3000R

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quest
1-800-533-7533
Quest DEH 3000R Installation, Operation and Maintenance Instructions
6
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TheWhitewirecontrolstheoptionalmotorizeddamperthatcanbeinstalledintoafreshair
duct.Thisdamperprovidestheabilitytocontrolfreshairventilationusingtheventilation
timerfunctionoftheQuestDEH3000Randtheterminal
labeled“DMP” (SeeSection3.8).Leavethe“DMP”
terminalunusedifamotorizeddamperisnotused,and
capofftheWhitewirefromtheQuestdehumidier.
Standard wire colors for thermostats are as follows:
Description Color Terminal code
24VAC Red R
CallforHeat White WorW1
ForceFanOn Green G
Compressor
CallforCooling Yellow YorY1
2.6 Auxiliary Relay Operation
Itmaybedesirabletocoordinatefanoperationofthecentral
heating/coolingsystemwithdehumidierfanoperation.The
QuestDEH3000Rcontainsarelaythatprovidesthisability.
TherelayterminalslabeledNC,COMandNOoperate
accordingtothefollowingchart:
FAN COM to NO COM to NC
ON CONNECTED OPEN
OFF OPEN CONNECTED
Commonuses(assumingstandardthermostatwiringcolorsas
noted):
NO
COM
NC