1-877-420-1330
50Hz Quest 70
Installation, Operation and Maintenance Instructions
10
www.QuestHydro.com
7.1 Technical Description
The Quest 70 uses a refrigeration system similar to an air conditioner’s to remove heat and moisture from incoming
air, and add heat to the air that is discharged. Hot, high pressure refrigerant gas is routed from the compressor to the
condenser coil. The refrigerant is cooled and condensed by giving up its heat to the air that is about to be discharged from
the unit. The refrigerant liquid then passes through a filter/drier and capillary tubing which cause the refrigerant pressure
and temperature to drop. It next enters the evaporator coil where it absorbs heat from the incoming air and evaporates.
7.2 Troubleshooting
Neither fan nor compressor running. Dehumidification is being called for.
1. Dehumidifier unplugged or no power to outlet.
2. Humidity control set too high.
3. Loose connection in internal or control wiring.
4. Defective compressor relay.
If none of the above, call dealer or 1-877-420-1330.
FOR THE HVAC PROFESSIONAL:
Compressor is not running. Dehumidification is being called for. Fan is running.
1. Defective compressor run capacitor.
2. Loose connection in compressor circuit.
3. Defective compressor overload.
4. Defective compressor.
5. Defrost thermostat open.
Quest 70 refrigeration system
