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QUEST
746
Quieter Operation
Patented M-CoRR Technology
Industry-Leading Efficiency
Superior MERV-13 Air Filtration
Integrated Lift and Hang Points
Auto-Restart After Power Outages
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
INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
For complete product
information, scan here:
Serial Number
Install Date
Sold By
CALIFORNIA
TITLE 24 COMPLIANT
Patents: thermastor.com/patents
T S - 2 0 0 5
0 2 / 2 4 R E V D
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Table of Contents
Related Manuals for Quest Engineering 746
Summary of Contents for Quest Engineering 746
- Page 1 INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS QUEST For complete product information, scan here: Serial Number Quieter Operation Install Date Patented M-CoRR Technology Sold By Industry-Leading Efficiency Superior MERV-13 Air Filtration Integrated Lift and Hang Points CALIFORNIA TITLE 24 COMPLIANT Auto-Restart After Power Outages Patents: thermastor.com/patents Q U E S T C L I M A T E .
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Page 2: Table Of Contents
QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS TABLE OF CONTENTS Safety Precautions ............2 Service Parts List ............14 1. Intended Application ............3 Optional Parts List ............14 2. Registrations ..............3 Wiring Diagram ..............16 3. Specifications ..............3 Warranty................18 4. -
Page 3: Safety Precautions
QUEST 746 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 »... -
Page 4: Intended Application
1. INTENDED APPLICATION FOR QUEST 746 The Quest 746 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. -
Page 5: Installation
INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 4. INSTALLATION 4.1 LOCATION The Quest 746 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: »... -
Page 6: Condensate Water Removal
QUEST 746 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. -
Page 7: Control Options
CAUTION! Recommended maximum hanger rod is 6 ft (1.8 m). 5. CONTROL OPTIONS The Quest 746 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. -
Page 8: A Deh 3000R
QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 5.2 24 VAC 5.2A QUEST 5.2B HONEYWELL QUEST CLOUD CONTROL HONEYWELL REMOTE HUMIDISTAT QUEST DEH 3000R CONTROL HONEYWELL REMOTE HUMIDISTAT QUEST DEH 3 WIRING DIAGRAM WIRING DIAGRAM WIRING DIAGRAM WIRING DIAGRAM WIRING... -
Page 9: Maintenance
Filter non-compliance invalidates the product warranty. 6.1 STANDARD AIR FILTER The Quest 746 Dehumidifier ships with two standard MERV 13 efficient pleated fabric filters. This filter should be checked every six months. Operating the unit with a dirty filter will reduce dehumidifier capacity and efficiency. -
Page 10: Ducting Guidelines
INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 8. DUCTING GUIDANCE CAUTION! Quest 746 is intended for use in statics under .5”WG. » Ducting the intake uses a custom Therma-Stor Intake Duct Kit, and a minimum of two 12” diameter round ducts. -
Page 11: Display
QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 9. DISPLAY 9.1 USER INTERFACE The main status screen is shown: Alarm Prg/Bullseye Enter Escape Down Left side buttons (top to bottom): » – press at any time to check active alarms. -
Page 12: Settings Change Example
QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 9.2 SETTINGS CHANGE EXAMPLE: CHANGING DATE DISPLAY FORMAT From any screen, press the Prg/Bullseye key. This will prompt for a password. 2. Press Enter four times to access the menu. Then, press Up/Down keys until Settings is highlighted. -
Page 13: Viewing Active Alarms/Alarm Logs
QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS Press the Up/Down keys to cycle through the options. Once MM/DD/YY is displayed, press Enter. This will save the new value, and will move the cursor down to the date field. 2. Press Escape three times to get back to the main status screen. -
Page 14: Viewing Unit Run Hours
QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS 3. Press Enter to access the Alarm Log. This allows you to cycle through the 50 most recent alarms, whether they are active or if they’ve been resolved. These are arranged from newest to oldest. -
Page 15: Service Parts List
QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS SERVICE PARTS LIST Item Part No Description Item Part No Description 4029507 CONTROL, HIGH PRESSURE 4042586 WIRE HARNESS (NOT SHOWN) 4042474 CONTACTOR, 3-POLE 4038079 LUG, GROUND (QTY 2) 4042114 TRANSFORMER 4038219 FOOT, RUBBER, 1.25” DIA... - Page 16 QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS (877) 420-1330 QUESTCLIMATE.COM...
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Page 17: Wiring Diagram
QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS WIRING DIAGRAM OF THE QUEST 746 DEHUMIDIFIER (877) 420-1330 QUESTCLIMATE.COM... - Page 18 QUEST 746 INSTALL ATION, OPERATION AND MAINTENANCE INSTRUCTIONS SEE BACK FOR WARRANTY AND REGISTRATION. (877) 420-1330 QUESTCLIMATE.COM...
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Page 19: Warranty
Madison, WI 53704 Telephone: 1-800-533-7533 WHO IS COVERED: This warranty extends only to the original end-user of the Quest 746 dehumidifier, and may not be assigned or transferred. FIRST YEAR WARRANTY: Therma-Stor LLC warrants that, for one (1) year the Quest 746 dehumidifier will operate free from any defects in materials and workmanship, or Therma-Stor LLC will, at its option, repair or replace the defective part(s), free of any charge.
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