
1-800-533-7533
Quest DEH 3000R
Installation, Operation and Maintenance Instructions
7
www.QuestProtect.com
quest
quest
Lock-out the A/C during dehumidifier fan operation
This will turn off the A/C whenever the dehumidifier fan runs.
1. Wire the Yellow thermostat terminal to the NC terminal on the Quest DEH 3000R.
The installer
must supply the wiring between the Quest dehumidifier and the control panel. Be sure to safely route the
control wires to prevent damage during installation. Be
careful not to cross the wires when connecting the Quest
dehumidifier and the remote control panel or damage to
the transformer may result.
2. Run the Yellow wire from the A/C unit to the COM
terminal on the Quest DEH 3000R.
Energize the A/C central fan during dehumidifier fan
operation
To automatically run the A/C FAN when the dehumidifier
fan runs.
1. Attach a second Green wire to the Green fan wire
terminal on the thermostat.
2. Connect the new Green wire to the COM terminal on the
Quest DEH 3000R.
3. Run a wire from the Red terminal on the thermostat to
the NO (Normally Open) terminal on the Quest DEH
3000R.
2.7 Dehumidifier lock-OFF or lock-ON:
A/C sensor feature
To automatically activate or deactivate the dehumidifier when the air conditioner runs.
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.
The common wire from the existing A/C transformer (usually Black)
must be attached to the “COM” sensor terminal between “ON-D”
and “OFF-D” on the DEH 3000R.
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. Another Yellow wire must be added to the
thermostat Yellow terminal and run to the “ON-D”
sensor terminal on the Quest DEH 3000R.
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