Page 1
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS QUEST Quiet operation Serial Number 230V & 277V units Install Date Long-life impeller Sold By Industry-leading efficiency Superior MERV-13 air filtration Environmentally friendly refrigerant Auto-restart after power outages Patents: thermastor.com/patents Q U E S T C L I M A T E . C O M / ( 8 7 7 ) 4 2 0 - 1 3 3 0 T S - 1 0 1 6 0 1 / 2 2 R E V J...
QUEST 506 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS SAFETY PRECAUTIONS Read the installation, operation and maintenance instructions carefully before installing and operating this device. Proper adherence to these instructions is essential to obtain maximum benefit from your Quest Dehumidifier. READ AND SAVE THESE INSTRUCTIONS •...
1. INTENDED APPLICATION FOR QUEST 506 The Quest 506 Dehumidifier is designed to operate in temperatures between 56 F and 95 F. In order to efficiently control humidity levels, the area in which the dehumidifier is to be operated must be free of water intrusion or excessive fresh (outside) air infiltration.
INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 4. INSTALLATION 4.1 LOCATION The Quest 506 Dehumidifier can be installed in a variety of locations to meet the owner’s needs as listed below. In all cases keep the following cautions in mind: •...
QUEST 506 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 4.3 CONDENSATE WATER REMOVAL Condensate drains by gravity via the drain port. Use 3/4” male NPT PVC pipe. An optional condensate pump kit may be installed if a lift is required to dispose of the condensate. Optional parts list for information on the kit.
CAUTION! Recommended maximum hanger rod is 6 feet (1.8m). 5. CONTROL OPTIONS The Quest 506 Dehumidifier is controlled by an external remote humidistat through a 24V terminal block. External control NOT provided. 5.1 HUMIDITY CONTROL A 24VAC signal is sent by the remote humidistat signals the fan or fan and compressor to actuate.
INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 6.1 STANDARD AIR FILTER The Quest 506 Dehumidifier ships with a standard MERV 13 efficient pleated fabric filter. This filter should be checked every six months. Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency and may cause the compressor to cycle off and on unnecessarily on the defrost control.
Page 10
QUEST 506 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS Compressor cycles on and off. Dehumidification is being called for. Fan is running. Low ambient temperature and/or humidity causing unit to cycle through defrost mode. 2. Defective compressor overload. 3. Defective compressor.
QUEST 506 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 8. DUCTING GUIDELINES CAUTION! Quest 506 is intended for use in statics under .25”WG. • Ducting either the intake or exhaust use a minimum of two 12” diameter round ducts minimum. •...
QUEST 506 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS SERVICE PARTS LIST Item Part No Description Item Part No Description 4029507 CONTROL,HIGH PRESSURE 4037703-04 COIL,EVAP 4029508 CONTROL,LOW PRESSURE 4037704-02 COIL,CONDENSER 4029575 RELAY 4037707 TXV,3 TON 4031101 CONTACTOR 4037708 FAN,MOTORIZED IMPELLER 4031406...
(but all warranty periods will be extended by the period of time, if any, that the Quest 506 Dehumidifier is out of service while awaiting covered warranty service).
Need help?
Do you have a question about the 506 and is the answer not in the manual?
Questions and answers