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Quest 185 Cool
Installation, Operation and Maintenance Instructions
19
www.QuestHydro.com
A control must be used with the Quest 185 Cool. Quest offers the DEH 3000 proprietary control. The
DEH 3000 allows homeowners to monitor and control relative humidity and proper ventilation levels in their home. This
control is also available with a remote sensing option.
Note: The DEH 3000 is sold seperately and can be purchased through your local dealer or online. Other thermostats are
compatible with the Quest 185 Cool.
CONTROLS
CAUTION!
DO NOT ALLOW THE YELLOW LEAD FROM THE QUEST 185 COOL TO CONTACT THE RED
LEAD OR THE WHITE LEAD FROM THE QUEST 185 COOL OR DAMAGE TO THE TRANSFORMER
WILL RESULT.
DO NOT CONNECT THE WHITE WIRE TO THE CONTROL IF THE OPTIONAL DAMPER IS NOT
USED OR DAMAGE TO THE TRANSFORMER WILL RESULT.
Control Connections
The control and the control wires leaving the Quest 185 Cool are numbered and color-coded to prevent
confusion. Depending on the control, some of the wires leaving the Quest 185 Cool may not be used. For safety, the uncon-
nected wires should be covered with wire nuts. Be sure to consult the electrical schematic in this manual or inside the access
panel of the Quest 185 Cool before making control connections.
• Central Fan Integration
– Operates HVAC
fan with dehumidifier operation.
• A/C Sensor
– Automatically activates or
deactivates the dehumidifier when the air
conditioner runs.
• High Temperature Cut-Out – Disables
dehumidifier operations if household
temperature reaches the cut-out setpoint.
• Dry-Out Cycle Timer – Automatic fan
cycling to ensure dry and clean coils.
• Auto Reboot
–
Resumes operation with
prior settings in the event of power failure.
Quest DEH 3000 Digital Control
Wiring Controls
See DEH 3000 manual for detailed instructions.