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Quest DRY 150

Quest PowerDry 4000 Pro

Installation, Operation and Maintenance Instructions

Installation, Operation and Maintenance Instructions

– Read and Save These Instructions –

This manual is provided to acquaint you with 

the dehumidifier so that installation, operation 

and maintenance can proceed successfully. 
Ultimate satisfaction depends on the quality 
of installation and a thorough understanding 

of this equipment. The dehumidifier is built 

around tested engineering principles and has 
passed a thorough inspection for quality of 
workmanship and function.

4201 Lien Rd 

Phone 608-237-8400

Madison, WI 53704 

Toll-Free 1-866-933-7486

www.QuestProtect.com sales@QuestProtect.com 

– Read and Save These Instructions –

TS-760  

11/14

quest

quest

1

Quest PowerDry 4000 Pro:

•  High capacity – 176 pints/day @ AHAM 

(22 Gallons)

•  Onboard humidistat for continuous humidity control
•  High energy efficiency – Requires only 10 Amps of 

electricity

•  Pleated media filter – Standard MERV 11 filtration 

reduces dust

•  Optional high-efficiency filter – Removes 95% of  

one-micron particles

•  

Multiple Ducting Options - 12” inlet, 10” outlet.

•  Reservoir pump system – Strong and dependable,  

20 ft of lift

•  Solid State Controls - Easy to read and operate
•  Digital hour meter – Easy to read for more accurate 

billing

•  25-ft power cord – No need for extension cords
•  30-ft drain hose – Pump condensate to sinks or drains

Water Removal Rate (Pints/Day) 

 

176 pints  

80˚F, 60% (AHAM)

 

Summary of Contents for Quest PowerDry 4000 Pro

Page 1: ...53704 Toll Free 1 866 933 7486 www QuestProtect com sales QuestProtect com Read and Save These Instructions TS 760 11 14 quest quest 1 Quest PowerDry 4000 Pro High capacity 176 pints day AHAM 22 Gall...

Page 2: ...nsate Removal 5 2 5 Ducting 5 2 6 POWER Button 5 2 7 PURGE Button 5 2 8 Humidistat 6 2 9 HOURS Button 6 2 10 DEFROST Light 6 2 11 Defrost Cycle 6 2 12 Low Pressure Control 6 3 Maintenance 7 3 1 Air Fi...

Page 3: ...s for maintenance and service DO NOT INSTALL UNIT WITH THE SERVICE PANELS INACCESSIBLE Avoid directing the discharge air at people or over the water in pool areas If used near a pool or spa be certain...

Page 4: ...d refrigeration system Dimensions Width 20 Depth 23 Height 40 Weight 135 lbs 2 Operation Place dehumidifier inside structure place condensate hose into a drain or a very large container and turn on To...

Page 5: ...mped more than 20 feet above the unit a second pump must be added to relay the condensate 2 5 Ducting A detachable rectangular exhaust collar is supplied that will allow 10 round lay flat duct to be a...

Page 6: ...w the defrost set point due to excessive frost formation the thermistor activates the solid state control and the defrost light The control cycles the compressor off and on by monitoring thermistor te...

Page 7: ...much as possible before storage 1 Use the pump purge switch see Sec 2 7 and Fig 4 to reduce the water level in the reservoir 2 Stretch the hose flat to drain it completely If the unit will not be expo...

Page 8: ...s the entire coil from inlet to outlet The mixture of gas and liquid refrigerant enter the accumulator after leaving the evaporator coil The accumulator prevents any liquid refrigerant from reaching t...

Page 9: ...control board Unit removes some water but not as much as expected 1 Air temperature and or humidity have dropped 2 Check to make sure humidistat is set high enough 3 Humidity meter and or thermometer...

Page 10: ...rnal thermal overload protection If defective the complete assembly must be replaced 1 Unplug power cord 2 Remove the front cover 3 Remove the 5 screws attaching blower inlet ring 4 Remove the 4 screw...

Page 11: ...Gravity Drain Option If the condensate pump fails and cannot be replaced immediately the Quest PowerDry 4000 Pro can be used by draining by gravity 1 Unplug the unit and remove the front cover 2 Push...

Page 12: ...IED OB T STOR ENGRG DEPT 3 PROOFS TO BE APPROVED BY T STOR ENGRG DEPT 4 COLORS BLACK LINES LETTERS ON WHITE BACKGROUND PART NO SHEET REV TITLE DRAWN BY CHECKED BY SIGNATURES DATE SCALE A 1 OF 1 INCHES...

Page 13: ...ompressor 55mfd 370V 1 4029606 13 Capacitor Impeller 15mfd 371V 1 4033031 07 14 Thermistor 1 4032644 15 Cord 1 4032315 16 Compressor 11 9KBTU R410a 1 4029186 17 Overload Compressor 1 4029177 18 Evapor...

Page 14: ...reliable means The end user is responsible for normal care This warranty does not cover any defect malfunction etc resulting from misuse abuse lack of normal care corrosion freezing tampering modifica...

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