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Quest 215 Dual
Quest 335
Quest Dry
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.
Features:
•
208V and 230V 60Hz
•
Industry-leading efficiency
•
Patented, multi-coil refrigeration system
•
High-efficiency, variable-speed impeller
•
Quiet operation
•
Superior air filtration (MERV-13 standard)
•
Auto-restart after loss of power
•
Environmentally friendly R410A refrigerant
•
Low voltage external control
•
On-Board digital controls
Specifications subject to change without notice.
Water Removal Rates (Pints/Day) @ 80°F 60% (RH)
Dehumidifier
Pints Removed
335
4201 Lien Rd
Madison, WI 53704
www.QuestClimate.com
1
Patent: thermastor.com/patents
Gallons/Liters
335
42/158
Toll-Free 1-877-420-1330
info@QuestClimate.com
09/21 Rev. A
TS-1196
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Table of Contents
Related Manuals for Therma-Stor Quest 335
Summary of Contents for Therma-Stor Quest 335
- Page 1 Quest 215 Dual Quest 335 Quest Dry 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.
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Page 2: Table Of Contents
Quest 335 Installation, Operation and Maintenance Instructions Table of Contents Safety Precautions ..............3 1. Intended Application .............4 2. Registrations ................4 3. Specifications ...............4 4. Installation ................ 5 4.1 Location ................ 5 4.2 Electrical Requirements ..........5 4.3 Condensate Water Removal ........6 4.4 Hanging Diagram ............ -
Page 3: Safety Precautions
Quest 335 Installation, 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 •... -
Page 4: Intended Application
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. Before installing the Quest 335 Dehumidifier, water intrusion and air infiltration problems should be addressed or noted in calculations. -
Page 5: Installation
Installation, Operation and Maintenance Instructions 4. Installation 4.1 Location The Quest 335 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: • Place the Quest 335 Dehumidifier on supports that raise the base of the unit 6” above the secondary drain pan so a P-trap can be installed. -
Page 6: Condensate Water Removal
Quest 335 Installation, Operation and Maintenance Instructions CAUTION! For proper drainage, the unit must be mounted so the drain outlet is at least 4” above the floor drain, and must be fully supported under the base. 4.3 Condensate Water Removal Condensate drains by gravity via the drain port. -
Page 7: Hanging Diagram
Quest 335 Installation, Operation and Maintenance Instructions 4.4 Hanging Diagram Quest 335 16.6 22.2 3/8” threaded rod Treated Air 3/8” Jam Nuts Intake Air Parts Needed: 4 pieces 3/8” threaded rod (not included) Threaded rods should be engaged 4 - 3/8” threaded jam nuts (not included) no less than 2”... -
Page 8: Hard-Wiring Instructions
Quest 335 Installation, Operation and Maintenance Instructions 4.5 Hard-Wiring Instructions WARNING! SERVICING THE QUEST 335 DEHUMIDIFIER, WITH ITS HIGH PRESSURE REFRIGERANT SYSTEM AND HIGH VOLTAGE CIRCUITRY PRESENTS A HEALTH HAZARD WHICH COULD RESULT IN DEATH, SERIOUS BODILY INJURY, AND/ OR PROPERTY DAMAGE. ONLY QUALIFIED SERVICE PEOPLE SHOULD SERVICE THIS UNIT. - Page 9 Quest 335 Installation, Operation and Maintenance Instructions Wire harness Disconnect black wire power cord black wire Wire harness white wire Disconnect power cord white wire Disconnect power cord green wire from ground stud Disconnect POWER CORD BLACK wire from terminal Disconnect POWER CORD WHITE wire from terminal.
- Page 10 Quest 335 Installation, Operation and Maintenance Instructions Wire harness Black wire Connect black jumper wire Wire harness white wire Connect white jumper wire Green jumper wire to ground stud Connect BLACK and WHITE jumper wires to terminal block as shown.
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Page 11: Supply & Return Duct Kit
Installation, Operation and Maintenance Instructions Replace access panel using T25 Torx driver to secure 7 screws. 4.6 Quest 335 Supply and Return Duct Kit (P/N 4042685) If factory duct kit accessory was purchased, follow instructions included with duct kit. If owner chooses to have a licensed HVAC contractor fabricate a duct kit, please follow the drawing below for safe zones for self tapping screws. -
Page 12: Control Options
Quest 335 Installation, Operation and Maintenance Instructions 5. Control Options The Quest 335 Dehumidifier can be controlled by its on board dehumidistat or with an external control using its low voltage terminal block. 5.1A Quest 335 On Board Dehumidistat Off Mode: Fan, Compressor, Display and all LEDs are off... -
Page 13: B External Control Options
- The Terminal Control button is used to activate the “DEHUM” input on the terminal block. (see section 5.1B) - This must be activated when an external control is used to control RH. When Terminal Control is active, the internal RH sensor is disabled. 5.1B Quest 335 External Control Options Quest offers two external control options 4028531 4020175... -
Page 14: External Control
To access the air filter, remove the filter access panel from the end of the Quest 335 Dehumidifier. The filter should be readily visible and can be removed by pulling it straight out of the Quest 335 Dehumidifier. -
Page 15: Service
1-877-420-1330 for warranty claim authorization and technical assistance. 7.2 Technical Description The Quest 335 Dehumidifier 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. - Page 16 Quest 335 Installation, Operation and Maintenance Instructions Compressor cycles on and off. Dehumidification is being called for. No fan call. 1. Low ambient temperature and/or humidity causing unit to cycle through defrost mode. 2. Defective compressor overload. 3. Defective compressor.
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Page 17: Refrigerant Charging
Quest 335 Installation, Operation and Maintenance Instructions Unit Test to determine problem: 1. Detach field control wiring connections from main unit. 2. Connect the 24V and FAN from the main unit together; only the impeller fan should run. Disconnect the wires. -
Page 18: B Replacing Burned Out Compressor
Quest 335 Installation, Operation and Maintenance Instructions 1. Unplug the unit; remove the cabinet side and the electrical connection cover on the compressor top. 2. Plug in the unit and turn the humidity control to ON. Check for volts from compressor terminal R to overload terminal 3 using an AC voltmeter. -
Page 19: C Replacing Compressor-Nonburn Out
The humidity control is an adjustable switch that closes when the relative humidity of the air in which it is located rises to the set point. It opens when the RH drops 4 to 6% below the set point. If the Quest 335 Dehumidifier does not run, try turning the humidity control Down using arrow on control pad. -
Page 20: Error Codes
If the pump fails, this switch opens the compressor control circuit and stops water production before the reservoir overflows. The Quest 335 Dehumidifier will continue to ventilate or circulate air as normal, but will not dehumidify until this switch closes. -
Page 21: Wiring Diagram
Quest 335 Installation, Operation and Maintenance Instructions Wiring Diagram of the Quest 335 Dehumidifier DISPLAY BOARD PRESSURE SWITCH SERIAL SWITCH BLK-8 WHT-9 2 POSITION TERMINAL BLOCK FILTER WHT-6 WHT-10 YEL-11 BLK-5 YEL-12 BLK-4 RED-2 PRESSURE SWITCH COMPRESSOR RELAY YEL-3 BLU-3... -
Page 22: Service Parts List
Quest 335 Installation, Operation and Maintenance Instructions Service Parts List for Quest 335 Item Part No Description Item Part No Qty Description 4041909 UI Control Board 4042505 Block, Wiring 4042009 Cover, UI, 24VAC 4041892 Clip, Cord Retention 4042531-02 Coil Condenser... - Page 23 Quest 335 Installation, Operation and Maintenance Instructions 1-877-420-1330 www.QuestClimate.com info@QuestClimate.com...
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Page 24: Warranty
(but all warranty periods will be extended by the period of time, if any, that the Quest 335 Dehumidifier is out of service while awaiting covered warranty service).
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