Quest Engineering DEH 3000R Installation, Operation And Maintenance Instructions - Quest Deh 3000R
1-800-533-7533
Quest DEH 3000R
Installation, Operation and Maintenance Instructions
7
www.QuestProtect.com
sales@questprotect.com
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Lock-out the A/C during dehumidifier fan operation
ThiswillturnofftheA/Cwheneverthedehumidifierfanruns.
1.WiretheYellowthermostatterminaltotheNCterminalontheQuestDEH3000R.
Theinstaller
mustsupplythewiringbetweentheQuestdehumidifierandthecontrolpanel.Besuretosafelyroutethe
controlwirestopreventdamageduringinstallation.Be
carefulnottocrossthewireswhenconnectingtheQuest
dehumidifierandtheremotecontrolpanelordamageto
thetransformermayresult.
2.RuntheYellowwirefromtheA/CunittotheCOM
terminalontheQuestDEH3000R.
Energize the A/C central fan during dehumidifier fan
operation
ToautomaticallyruntheA/CFANwhenthedehumidifier
fanruns.
1.AttachasecondGreenwiretotheGreenfanwire
terminalonthethermostat.
2.ConnectthenewGreenwiretotheCOMterminalonthe
QuestDEH3000R.
3.RunawirefromtheRedterminalonthethermostatto
theNO(NormallyOpen)terminalontheQuestDEH
3000R.
2.7 Dehumidifier lock-OFF or lock-ON:
A/C sensor feature
Toautomaticallyactivateordeactivatethedehumidifierwhentheairconditionerruns.
Activate dehumidification when the air-conditioner is running.
A voltmeter is required for the next steps to ensure the correct wiring from
the A/C transformer is used to set up the Lock-in dehumidifier function.
1.
ThecommonwirefromtheexistingA/Ctransformer(usuallyBlack)
mustbeattachedtothe“COM”sensorterminalbetween“ON-D”
and“OFF-D”ontheDEH3000R.
TIP: The common wire can be identified as the wire from the A/C
transformer that reads 0 volts between it and the Yellow air conditioning call
for cooling wire.The incorrect wire will give a 20 to 28 volt reading.
2.AnotherYellowwiremustbeaddedtothe
thermostatYellowterminalandruntothe“ON-D”
sensorterminalontheQuestDEH3000R.
A/C
Unit
Red
Green
Yellow
A/C
Unit
Red
Green
Yellow
A/C
Unit
Red
Green
Yellow
A/C
Unit
Red
Green
Yellow
ON-D
COM
OFF-D
TO A/C
TO A/C