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INSTALLATION, OPERATION AND

MAINTENANCE INSTRUCTIONS

QUEST

335

Q U E S T C L I M AT E .C O M / ( 8 7 7 ) 4 2 0 -1 3 3 0

Patents: thermastor.com/patents

Serial Number

Install Date

Sold By

T S -1 1 9 6

0 5 / 2 2 R E V A

Digital controls

Long-life impeller

230V & 277V units

Industry-leading efficiency

Superior MERV-13 air filtration

Filter Compensation Technology

Auto-restart after power outages

Содержание 335

Страница 1: ... C O M 87 7 420 1330 Patents thermastor com patents Serial Number Install Date Sold By T S 1196 05 22 R E V A Digital controls Long life impeller 230V 277V units Industry leading efficiency Superior MERV 13 air filtration Filter Compensation Technology Auto restart after power outages ...

Страница 2: ...Control 14 6 Maintenance 14 6 1 Standard Air Filter 14 6 2 Impeller Fan Oiling 14 7 Service 15 7 1 Warranty 15 7 2 Technical Description 15 7 3 Troubleshooting 15 7 4 Refrigerant Charging 17 7 5 Impeller Fan Replacement 17 7 6 Compressor Capacitor Replacement 17 7 6A Checking Compressor Motor Circuits 17 7 6B External Control Options 18 7 6C Replacing Compressor Nonburn Out 19 7 7 Remote Controls ...

Страница 3: ...table DO NOT place the device directly on structural members Provide vibration isolation in order to minimize operational vibration and or noise A drain pan MUST be placed under the unit if installed above a living area or above an area where water leakage could cause damage Never operate a unit with a damaged power cord If the power cord is damaged it must be replaced by the manufacturer its serv...

Страница 4: ...atents D570 988 8 069 681 9 052 132 3 SPECIFICATIONS 80 F 60 RH UNIT QUEST 335 4042500 QUEST 335 277V 4042600 BLOWER TESTED WITH DUCT COLLARS ON 900 CFM 0 6 WG 900 CFM 0 6 WG POWER 1565 Watts 1789 Watts SUPPLY VOLTAGE 208V and 230V 1 Phase 60 Hz 277V 1 Phase 60 Hz CURRENT DRAW 6 9A 230V 7 9A 208V 6 8A 277V ENERGY FACTOR 4 4 L kWh 4 0 L kWh OPERATING TEMP 56 F Min 95 F Max 56 F Min 95 F Max WATER R...

Страница 5: ...itions are listed on page 4 A ground fault interrupter protected circuit is required Install the remote hygrostat in a central area of the structure where it will sense the relative humidity of the structure accurately Do not install the hygrostat where it may not accurately sense the relative humidity such as near HVAC supply registers near exterior doors or near a pool or spa The installer must ...

Страница 6: ...n 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 FOLLOW DIAGRAM QUEST 335 H 4 J 2 L 6 75 Vent Place vent after the trap Vent should be open Height of vent should be higher than drain outlet Cap A clean out can be placed before trap but must be sealed with a cap Drain L...

Страница 7: ...STCLIMATE COM 877 420 1330 4 3 HANGING DIAGRAM QUEST 335 Parts Needed 4 pieces 3 8 threaded rod not included 4 3 8 threaded jam nuts not included 22 2 16 6 3 8 threaded rod Intake Air Treated Air 3 8 Jam Nuts Threaded rods should be engaged no less than 2 into machine ...

Страница 8: ...tage 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 TOOLS REQUIRED T25 Torx Driver 11 32 Driver Following all local and national electrical codes and standards route electrical service to the location that the dehumidifier will be installed Remove 7 screws on access panel using T25 T...

Страница 9: ...und stud Remove the 2 screws holding the cord retention bracket using T25 Torx driver and remove retention bracket Remove power cord and black bushing Route incoming power service wires through 7 8 hole and secure using clamps intended for the conduit or cable Disconnect power cord black wire Wire harness black wire Wire harness white wire Disconnect power cord white wire Disconnect power cord gre...

Страница 10: ...ng terminal on ground stud and use 11 32 driver to secure nut to stud Attach incoming service LINE 1 wire to BLACK jumper wire with the provided wirenut Attach incoming service LINE 2 wire to WHITE jumper wire with the provided wirenut Attach incoming service GROUND wire to GREEN jumper wire with the provided wirenut Connect black jumper wire Wire harness Black wire Wire harness white wire Connect...

Страница 11: ...E FOR FASTENERS 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 ...

Страница 12: ...curring ice is detected on coils The fan will be on and the compressor will be off during defrost FILTER RESET Filter reset button will light up after the fan has been running for 2 000 hours or if the pressure switch detects excessive pressure build up indicating that the filter must be changed After changing the filter press and hold the filter reset button to reset the 2 000 hour timer Light fl...

Страница 13: ...d Hold the FAN button for 3 seconds the 2 digit display will begin to flash Once the display is flashing the maximum fan speed can be adjusted 1 at at time in the range of 20 99 The new maximum fan speed can be locked by not pressing any buttons for 6 seconds or by pressing the FAN button This will disable filter life compensation functionality TERMINAL CONTROL When the Terminal Control button is ...

Страница 14: ... open 6 MAINTENANCE WARNING NOTE Do not operate the unit without the filter or with a less effective filter The heat exchange coils inside the unit could become clogged and require disassembly to clean Filter non compliance invalidates the product warranty 6 1 STANDARD AIR FILTER The Quest 335 Dehumidifier ships with a standard MERV 13 efficient pleated fabric filter This filter should be checked ...

Страница 15: ...here it absorbs heat from the incoming air and evaporates The evaporator operates in a flooded condition which means that all the evaporator tubes contain liquid refrigerant during normal operation A flooded evaporator should maintain nearly constant pressure and temperature across the entire coil from inlet to outlet The compressor collects the cool refrigerant gas and compresses it to a high pre...

Страница 16: ...d Fan is not running Dehumidification or fan is being called for 7 Loose connection in fan circuit 8 Obstruction prevents fan impeller rotation 9 Defective fan 10 Bad control or power board Low dehumidification capacity evaporator is frosted continuously Dehumidification is being called for 11 Evaporator temp sensor bad or unplugged 12 Low refrigerant charge 13 Dirty air filter s or air flow restr...

Страница 17: ...t must align with the two holes in the impeller fan support bracket 7 6 COMPRESSOR CAPACITOR REPLACEMENT This compressor is equipped with a run capacitor but no start capacitor or start relay 7 6A CHECKING COMPRESSOR MOTOR CIRCUITS Perform the following tests if the impeller fan runs but the compressor does not with a call for dehumidification 1 Remove the cabinet side to gian access to the electr...

Страница 18: ...f liquid and suction line filter driers will probably clean up the system If sludge is evident in the discharge line it will likely be found in the suction line This indicates the compressor burned out will running Sludge and acid have been pumped throughout the system Several changes of the liquid and suction filter driers will probably be necessary to cleanse the system 5 Correct the system faul...

Страница 19: ...appear to be operating correctly during the defrost sequence but once the defrost sequence is completed the Quest 335 Dehumidifier will resume dehumidifying The evaporator temperature sensor is installed into the center of the evaporator coil It will automatically shut the compressor off if the temperature drops due to excessive frost formation on the evaporator coil The impeller fan will continue...

Страница 20: ...HIGH Error code E6 compressor off fan off Temperature too high Broken sensor Yes 7 TEMPERATURE TOO LOW Error code E7 compressor off fan off Temperature too low Broken sensor Yes 8 COMM ERROR Error code E8 Power board continutes to run unit RJ12 cable connection issue No Displays E8 but keeps running 9 HIGH PRESSURE CUT OUT Error code E9 Power board will be in system protection mode Loose connectio...

Страница 21: ...21 QUEST 335 INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS QUESTCLIMATE COM 877 420 1330 WIRING DIAGRAM OF THE QUEST 335 DEHUMIDIFIER ...

Страница 22: ...91 Control Board 4042824 Control Board 277v Item Part No Qty Description 13 4042467 Relay 4042818 Relay 277v 14 4042505 Block Wiring 4042505 Block wiring 277v 15 4041892 Clip Cord Retention 16 4042486 Switch Pressure 4042978 Switch Pressure 277v 17 4022160 Clamp Capacitor 18 4035949 03 Capacitor 4035949 04 Capacitor 277v 19 4042483 Fan Motorized Impeller 4042827 Fan Motorized Impeller 277v 20 4036...

Страница 23: ...23 QUEST 335 INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS QUESTCLIMATE COM 877 420 1330 2 3 7 8 9 10 1 5 6 11 20 19 18 17 16 15 14 13 12 4 21 ...

Страница 24: ... responsible for normal care This warranty does not cover any defect malfunction etc resulting from misuse abuse lack of normal care corrosion freezing tampering modification unauthorized or improper repair or installation accident acts of nature or any other cause beyond Therma Stor LLC s reasonable control LIMITATIONS AND EXCLUSIONS If any Quest Dehumidifier part is repaired or replaced the new ...

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